Method and device for detecting unprotected VLAN in Ethernet ring network based on RRPP

The invention provides a method and device for detecting an unprotected VLAN in an Ethernet ring network based on an RRPP. According to the technical scheme, the host node of the specific RRPP domain of the Ethernet ring network acquires the information of the VLANs to be protected of all the nodes in the Ethernet ring network; an intersection operation is carried out on the information of the VLANs to be protected of all the nodes in the Ethernet ring network; the difference set of the VLANs in an intersection operation result and the protected VLAN compilation of all the RRPP domains where the Ethernet ring network is located is calculated, and the VLANs in the operation result of the difference set are the unprotected VLANs in the Ethernet ring network.

Software updating method and software updating device

The invention discloses a software updating method, which includes the steps: creating a target VD (virtual device) on equipment supporting VD technology, updating software when the target VD is in empty service, and transferring interfaces of operating service on a source VD to the target VD for normal operation after updating is completed. Based on the same conception, the invention further provides a software updating device. The software can be updated on a master control board with little influence on the service.

Seaport water density measuring instrument

The invention discloses a seaport water density measuring instrument. Conventional instruments are high in requirements for the operating environment and higher in manufacturing cost. The output terminal of an ultrasonic transmitting module of the seaport water density measuring instrument is connected with an ultrasonic probe placed in seawater, the input terminal of the ultrasonic transmitting module is connected with the output terminal of the control module of a single chip microcomputer by signals, the input terminal of an ultrasonic receiving module obtains ultrasonic signals returned from the bottom of a measuring cup through another ultrasonic probe, the output terminal of the ultrasonic receiving module is connected with the input terminal of the control module of the single chip microcomputer by signals, and seawater to be measured is contained in the measuring cup, simultaneously a temperature compensation module receives temperature signals output by a waterproof DS18B20 digital ...

Method and device for realizing graph conversion based on MongoDB

The invention discloses a method and device for realizing graph conversion based on MongoDB. A meta-model, a model embodiment and conversion rules are input. A data structure for storing of the meta-model is built in the MongoDB, then the model embodiment is stored in the MongoDB, and model embodiment fragments meeting the pre-condition of the conversion rules in the model embodiment are converted into model embodiment fragments under a post-condition of the conversion rules through the database operations such as inquiry, updating and insertion through the MongoDB. Model conversion takes the MongoDB as the intermediary. Large-scale model conversion can be realized. Distributive model conversion can be supported. The converted models are also stored in the MongoDB. Inquiry and modification of output models are facilitated.

Vehicle-mounted terminal and vehicle-mounted terminal music playing method

A vehicle-mounted terminal comprises a read module, a video processing module, a control module and a display terminal. In the process of loading music, the video control module is started and video file information of all video files in a memorizer is abstracted after the memorizer is scanned by the read module, a video file unfolding list is formed by the video processing module according to incidence relation between the video files in the video file information and folders of the video files, and the video file unfolding list is sent to the display terminal to be displayed by the control module. In the process of loading the music, all the video file information is abstracted and loading process of the video files is simplified only by once choose operation even though the video files in the memorizer are subject to the different folders. Meanwhile, unfolding list information comprises names of the folders and names of the video files subject to the folders. The different folders to ...

MACsec key update method and device in ISSU process

The invention discloses a media access control security (MACsec) key update method in an in-service software update (ISSU) process. The MACsec key update method comprises the following steps: when a key server is about to conduct soft restart of ISSU, if a new SAK is not installed, the key server actively triggers the new SAK to be generated and issued; after the new SAK is installed on all member devices, the soft restart of the ISSU is conducted. Based on the same inventive concept, the invention further provides a device. In the process of the soft restart of the ISSU, the newly issued SAK can be used for encryption, the time when software interference is not needed can be prolonged, and therefore the effect that flow is not interrupted is guaranteed.

Laminated sheet type bypass wave absorbing device and manufacturing method thereof

The invention discloses a laminated sheet type bypass wave absorbing device which comprises a first cover body, a middle layer and a second cover body, wherein the first cover body, the middle layer and the second cover body are sequentially laminated. The middle layer comprises a sheet type capacitor unit and a sheet type inductance function device unit which are laminated in parallel. The invention further discloses a manufacturing method of the laminated sheet type bypass wave absorbing device. The laminated sheet type bypass wave absorbing device and the manufacturing method can meet the wave filtering requirements in different frequency bands, and the slope of an insertion loss characteristic curve is steeper. Compared with a wave absorbing device with a single capacitor or a single inductor, the laminated sheet type bypass wave absorbing device can more effectively absorb noise waves in an electronic circuit and restrain electromagnetic interference of the electronic circuit, and ...

Converter slag modifier and manufacture and using method thereof

The invention provides a converter slag modifier using low-iron wastes as raw materials, a manufacture method and a using method thereof. The modifier is a mixture composed of one or several of the following materials: press-filtered sludge cakes through metallurgy waste water treatment, drainage ditch sludge, gas mud and gas ash, and main chemical compositions simultaneously meet the following conditions by weight percentage: 27% to 99.9% of SiO2, 0.01% to 25% of CaO and 0.01% to 50% of TFe. A carbon excess coefficient Kc is 1 to 8. The manufacture method of the converter slag modifier comprises drying, proportioning, mixing, and screening to obtain a finished product. The using method of the converter slag modifier comprises feeding, slagging, slag granulating, etc., thereby making a f-CaO of the converter slag less than or equal to 1.5%, and fulfilling a stable treatment of the converter slag.

Mold positioning structure

The invention discloses a mold positioning structure, which is suitable for male molds or female molds. In application of a mold, a positioning ring is inserted into a ring groove of a mounting part, to realize accurate positioning of the mold and ensure position match of the mold and a nozzle mouth, and then the mounting of the other part of the mold is realized according to the fixed position of the mold. The invention ensures match of a male mold and a female mold, avoids multiple times of mounting debugging through the match of the positioning ring and the ring groove, and simplifies mold mounting, so as to ensure simple and convenient mounting operation. After mold positioning realized through the match of the positioning ring and the ring groove, there is only need to mount the mold at the mounting part, and the fixation manner can be realized by adopting screw-thread fit used in the field commonly.

Multilayer chip surge voltage restrained filter and producing method thereof

The invention belongs to the field of circuit protection and provides a multilayer chip surge voltage restrained filter and a producing method thereof. Filters of an inductor and a piezoresistor are combined, and the multilayer chip inductor and the multilayer chip piezoresistor are integrated in the multilayer chip surge voltage restrained filter in parallel multilayer insulation mode through the producing method of the multilayer chip surge voltage restrained filter. In addition, the multilayer chip inductor and the multilayer chip piezoresistor are switched from the multilayer insulation connection mode to the multilayer electric connection mode in the condition that the multilayer chip surge voltage restrained filter is powered on, and therefore the purpose of restraining and filtering electronic noise and surge voltage mixed in input direct-current electric signals is achieved, and further the problem that the traditional electro-magnetic interference (EMI) static eliminator cannot ...

Method for absorbing residual hydrochloric acid in waste acid mud

The invention discloses a method for absorbing residual hydrochloric acid in waste acid mud. The method comprises the following steps: roasting the waste acid mud in a closed device having a smoke evacuation system at 400-900DEG C for 1-2h to make residual hydrochloric acid and water in the waste acid mud rapidly form a vapor, allowing the obtained HCl gas and the water vapor to enter a plurality of absorbers which are mutually communicated through pH value detectors by the smoke evacuation system, carrying out an absorption reaction of the HCl gas and the water vapor with excess industrial quicklime, replacing the industrial quicklime in the absorbers in front of the pH value detector if the indicator in each of the pH value detectors changes in the absorption process, and discharging the vapor to air if the reindeer moss indicator in the last one of the pH value detectors is not red after the ending of the roasting because the unchanging of the color of the reindeer moss indicator means ...

Hot stifle backwater treatment device and method of converter slag

The invention provides hot stifle backwater treatment device and method of a converter slag. An aerator, a smoke supply pipe, a smoke pressure station, a smoke measuring instrument, a pH value measuring apparatus, a lye mixer, and a lye measuring instrument are added. The smoke generated after a gas burns is led to a hot stifle backwater of the slag through the aerator, so that CO2 reacts with free CaO and free MgO; the conduction degree of the reaction is controlled through a pH value; clear liquid after large particles participate enters inside a primary purification pool; an alkali liquor is led to the primary purification pool, so as to flocculate and precipitate; the pH value of the backwater is controlled by flow feedback of the alkali liquor; the purified stuffy slag backwater is taken as stuffy slag spray water after being led to a cooling tower to be cooled. By adopting the device, scaling of a water return pipe can be reduced; the service life of the pipe is prolonged; a flocculation ...

Vehicle-mounted terminal radio station music collecting method and multimedia data processing system

The invention provides a vehicle-mounted terminal radio station music collecting method and a multimedia data processing system. The vehicle-mounted terminal radio music collecting method comprises the following steps that when a vehicle-mounted terminal radio plays radio station music, a vehicle-mounted terminal extracts an audio clip, and a radio station music information request for obtaining music information corresponding to the audio clip is formed; the music information corresponding to the audio clip is obtained through a cloud server, and therefore an audio file corresponding to the radio station music is obtained from the Internet. According to the vehicle-mounted terminal radio station music collecting method, the audio clip of the radio station music is obtained through the vehicle-mounted terminal, the music information corresponding to the radio station music is obtained through the cloud server, the audio file corresponding to the radio station music is downloaded from the ...

Cloud game service platform

The invention discloses a cloud game service platform. The platform comprises a control server cluster, a streaming media server cluster and a game server cluster, wherein control servers are used for distributing streaming servers and game servers to clients; the streaming servers are used for forwarding game operation instructions transmitted from the clients to the game servers and forwarding streaming media code streams generated by the game servers to the clients; and each game server comprises a game process management module, an audio and video capture module, a coding module and an operation instruction simulation module, and the game servers are used for simulating the game operation instructions into game programs. According to the cloud game service platform, users can enjoy good game experience while not establishing high-end PCs (personal computers) as game machines but accessing low-configuration PCs to a high-speed network.

IDENTIFYING IMAGE COMMENTS FROM SIMILAR IMAGES

An image chat application generates comments to images based on features of the images. In one example, the image chat application searches through a repository of stored image-comment pairs to identify a stored image that is similar to the image, and generates a comment to the image based on an identified stored image-comment pair. In another example, the image chat application may identify and tag particular objects that dominate an image, and may generate a comment to the image based on characteristics of those particular objects. In this second example, the image chat application further generates a comment to the image based on comments previously associated with the identified tag. 1. A system comprising:one or more processors; receive data indicating an image;', 'extract, by the one or more processors, a first set of feature representations from the image;', 'determine a similarity between the image and individual stored images of a dataset of stored images, based at least in part on the first set of feature representations of the image and a second set of feature representations of the individual stored images;', 'identify a particular stored image from the dataset of stored images, based at least in part on the similarity;', 'identify a comment, based at least in part on the particular stored image; and', 'cause, a display of the comment on a user interface of a client device, the comment being displayed as a response to a display of the image., 'a computer-readable medium coupled to the one or more processors, including one or more modules that are executable by the one or more processors to2. The system of claim 1 , wherein the first set of feature representations from the image correspond to a dominant object of the image.3. The system of claim 1 , wherein the one or more modules are further executable by the one or more processors to:identify a tag that is associated with the particular stored image; andwherein the comment is identified further based at ...

Vehicle end, information processing system, and vehicle end radio uninterrupted play method

A vehicle end, an information processing system, and a vehicle end radio uninterrupted play method are provided. The vehicle end radio uninterrupted play method comprises monitoring radio signals of a current radio station in a local radio station of a current location of the vehicle end and performing in index test, and obtaining a test value. When the test value is smaller than a standard critical value, the test value indicates that the radio signal of a current radio station is interrupted or weak, and at this time, a prompt instruction for starting a network radio station is sent, and a network radio station model is started based on user selection; a network radio station acquisition request which includes acquiring a request of network radio station information corresponding to the current radio station is sent to a cloud end server; and based on the network radio station information which is corresponding to the current radio station and issued by the cloud end server, network broadcasting ...

Application of human miR-148a to preparation of medicine for promoting adipose cell proliferation

The invention belongs to the field of genetic engineering, and discloses an application of human miR-148a to preparation of medicine for promoting adipose cell proliferation in the technical scheme. Research results show that through overexpression of the human miR-148a in human adipose cells, proliferation rate and number of the adipose cells can be increased obviously, and the miR-148a can be used for preparing the medicine for promoting adipose cell proliferation.

Mobile-terminal-based IPTV on-demand system and on-demand method thereof

The invention discloses a mobile-terminal-based IPTV on-demand system and an on-demand method thereof. The system comprises a mobile terminal and an IPTV intermediary service platform. The mobile terminal includes a register and login module, a program operation module and a video playing module. The IPTV intermediary service platform includes a terminal management server, a service gateway and a payment gateway. The invention further discloses the on-demand method of the on-demand system. According to the invention, a new method of accessing IPTV service is realized by the on-demand technology, i.e., the mobile terminal is used to carry out the IPTV on-demand service, and multiple ways of paying of the IPTV on-demand service are provided by the payment gateway. Besides, in the on-demand system, the mobile terminal can be used to achieve the functions of IPTV remote controller, so that users can enjoy the IPTV service conveniently and quickly, achieving the multi-screen interaction, user ...

Discharging device for sludge bin

The invention relates to a discharging device for a sludge bin. The device is positioned on the lower part of the sludge bin, and comprises a plurality of screw charging machines. The central axes of the screw charging machines are arranged along a plurality of directions in the horizontal plane, and are opposite to one another. The charging device has the advantages of simple structure and high efficiency, can be widely applied to the charging of viscous materials such as sludge, and aims to solve the problem of the uniform discharging of the viscous sludge with lumps in the sludge bin. Pairwise opposite screws are used for pushing the materials to a material outlet, the diameter of a material inlet is greater than that of the material outlet, and charging speed is lower than discharging speed, so that an arch breaking effect is achieved. When the material inlet is clogged, high-speed airflow is used for removing the clogging of the lumps, so that continuous charging and uniform discharging ...

Image denoising method based on shearlet transformation and Wiener filtering

The invention discloses an image denoising method based on shearlet transformation and Wiener filtering. The method comprises the following steps of: (1) source image input; (2) symmetric extension; (3) shear transformation; (4) wavelet packet decomposition; (5) Wiener filtering; (6) inverse wavelet packet transformation; (7) inverse shear transformation; (8) inverse symmetry transformation; (9) image fusion; and (10) denoised image output. By the image denoising method, the defect that the anisotropic information of an image cannot be expressed very well by the wavelet transformation in the prior art is overcome; the problem that a denoising effect is non-ideal because coefficients are subjected to the same processing in different directions by using a single threshold is solved; the advantages that the shearlet transformation has multi-directionality, the output of a filter can be adjusted by the Wiener filtering according to the regional variance of the image and the like are utilized ...

Vehicle end and vehicle end radio uninterrupted play method

A vehicle end and a vehicle end radio uninterrupted play method are provided. The vehicle end comprises a radio station selection module which is used for determining a current radio station, a frequency modulation information updating module which, when a city where the vehicle end is located changed, acquires current radio station change frequency modulation information based on a radio station information list carried in the vehicle end, and a frequency modulation adjusting module which, based on the change frequency modulation information of the current radio station, adjusts frequency so as to guarantee that the vehicle end continuously receives current radio station broadcasting information. The vehicle end radio uninterrupted play method, when the city where the vehicle end changes, makes automatic adjustment based on the change frequency modulation information in different cities of the current radio station received by a user, thereby maintaining reception of the current radio ...

Mine ventilation parameter wireless test system

The invention provides a mine ventilation parameter wireless test system and belongs to a mine safety test device. The mine ventilation parameter wireless test system comprises a primary mine wireless testing device and a secondary mine wireless testing device. The primary mine wireless testing device is used for monitoring air pressure, temperature and humidity in a mine laneway or on a working face, receiving signals launched from wireless radio frequency of the secondary mine wireless testing device, simultaneously displaying an air pressure reading and the temperature and humidity readings of the mine laneway and the working face on a liquid crystal display (LCD). The secondary mine wireless testing device is used for collecting the air pressure and the temperature and humidity of the mine laneway or the working face, and transmitting three parameters to the primary mine wireless testing device through automatic launching or button triggering. Through adoption of the advanced wireless ...

Preparation method of porous spherical compound humidifying agent

The invention discloses a preparation method of a porous spherical compound humidifying agent, which comprises the following steps of: a, activating zeolite for 2-3h at a temperature of 450 DEG C to obtain activated zeolite; b, adding 30 parts by mass of polyacrylic acid into a sodium hydroxide solution prepared from 15 parts by mass of sodium hydroxide and 100 parts by mass of distilled water so that polyacrylic acid is neutralized, then adding 0.9-2.7 parts by mass of sodium carboxymethylcellulose, 3-6 parts by mass of activated zeolite and 0.3 part by mass of potassium persulfate into a container containing the solution, stirring for reaction at a temperature of 70-80 DEG C; 30min later, dissolving 0.3 part by mass of aluminium chloride in 10 parts by mass of distilled water to obtain a solution, adding the solution in the reactor; adding 0.3 part by mass of N,N-methylenebisacrylamide, continuously stirring for reaction for 0.5-1h till a gel effect happens; and c, adding 0.9 part by ...

Steel rolling oil sludge clearing agent and clearing method

The invention provides a steel rolling oil sludge clearing agent and a clearing method. The clearing agent comprises the following components in percentage by mass: 1-2% of non-ionic surfactant 6501, 1-3% of anionic surfactant LAS, 2-4% of builder and the balance of water, wherein the builder comprises sodium tripolyphosphate, sodium silicate and sodium sulfate. The clearing method comprises the steps of preparing a clearing agent solution by utilizing the components in proportion, adding water with the amount 3-4 times that of the solution, adding hot rolling oil sludge into the diluted solution in the ratio of (1:4)-(1:5), uniformly stirring, adding cold rolling waste alkali mud in twice till the pH (Potential Of Hydrogen) value of the mixed liquid is adjusted to 6-8 and standing the suspension liquid for more than 5 minutes so as to separate the oil from iron scale in the oil sludge. The clearing agent and the clearing method provided by the invention have the advantages that the clearing ...

Precision-metrology intelligent ammeter

The invention discloses a precision-metrology intelligent ammeter. A metrology module of the precision-metrology intelligent ammeter comprises a computing circuit, a power supply monitoring circuit and serial interfaces, wherein the computing circuit, the power supply monitoring circuit and the serial interfaces are respectively connected with a bus. The computing circuit is further connected with an analog-to-digital circuit. An active power computing and correction circuit, a reactive power computing circuit, an effective value metrology circuit, and an energy computing circuit are further arranged in the computing circuit. Preferentially, the analog-to-digital circuit comprises a phase line current sampling circuit, a null line current sampling circuit and a voltage sampling circuit. Preferentially, the effective value computing circuit comprises a phase line current effective value computing circuit, a null line current effective value computing circuit and a voltage effective value ...

Intelligent electric energy meter with embedded type safety control module

The invention discloses an intelligent electric energy meter with an embedded type safety control module. The intelligent electric energy meter with the embedded type safety control module comprises a microprocessor, the embedded type safety control module, a communication module, a metering module, a data storing module and a relay. The microprocessor is respectively connected with the embedded type safety control module, the communication module, the metering module, the data storing module and the relay. The intelligent electric energy meter can effectively ensure safe confidentiality in teletransmission of electric meter information, block network attack and effectively prevent electricity stealing behaviors.

Power negative-temperature-coefficient thermistor manufacturing method

The invention is suitable for the field of the electronic technology, and provides a power negative-temperature-coefficient thermistor manufacturing method. The method is mainly characterized in that temperature-sensitive ceramic powder is blended to make the molar ratio of cobaltosic oxide: manganese dioxide: nickel oxide: alumina is 30-60%:40-70%:10-30%:5-20% in order to form a high-resistivity high-B-value material, so the approximate resistance at a largest current is effectively reduced, and the largest steady-state current is improved. The addition of a vitreous body and bismuth trioxide in the temperature-sensitive ceramic powder is in favor of reducing the sintering temperature, protecting a thermistor diaphragm and reinforcing the ceramic strength.

Synthesis method of 4-methoxymethyl-2,3,5,6-tetrafluorobenzyl alcohol

The invention discloses a synthesis method of 4-methoxymethyl-2,3,5,6-tetrafluorobenzyl alcohol. The method comprises the following reaction steps of: 1, reacting 2,3,5,6-tetrafluorobenzyl alcohol with hydrogen halide in a solvent for 2-20h at 40-120 DEG C to obtain 3-halomethyl-1,2,4,5-tetrafluorobenzene; 2, reacting the 3-halomethyl-1,2,4,5-tetrafluorobenzene in methanol for 1-20h at 0-65 DEG C under the action of an inorganic alkali to obtain 3-methoxymethyl-1,2,4,5-tetrafluorobenzene; 3, dissolving the 3-methoxymethyl-1,2,4,5-tetrafluorobenzene into an inert solvent, dripping an organic lithium reagent at 0-78 DEG C to react for 0.5-5h, inputting formaldehyde gas into the reaction system to continuously react for 0.5-5h, and carrying out the quenching reaction by a protonic solvent to obtain the 4-methoxymethyl-2,3,5,6-tetrafluorobenzyl alcohol. The synthesis method provided by the invention has the advantages of good reaction selectivity, cheap and available reagents, and high reaction ...

Method for preparing multi-shell cerium oxide ball with controllable shell quantity

The invention discloses a method for preparing a multi-shell cerium oxide ball with controllable shell quantity, and belongs to the field of a rare-earth oxide nano material. The method comprises the preparation steps of: 1, preparing an adsorptive carbon ball, namely weighing 0.05-0.5g of carbon ball template to disperse into 10ml of deionized water, adding 10ml of 0.5MCe(NO3)3 solution, transferring to a 35ml of reaction kettle after electromagnetically stirring for 45 minutes, and putting into an electric heating furnace at 160 DEG C to heat for 4-8 hours; centrifugally washing and drying to obtain the adsorptive carbon ball, and 2, preparing the multi-shell cerium oxide ball, namely respectively heating the adsorptive carbon ball to 500 DEG C from 100 DEG C at the heating speeds of 1 DEG C/min, 2 DEG C/min and 10 DEG C/min; cooling to room temperature along with the furnace after keeping warm for 60 minutes; and orderly obtaining S-CeO2, D-CeO2 and T-CeO2. The multi-shell cerium oxide ...

Grouped connectivity association (CA) forming method and device

The invention discloses a grouped connectivity association (CA) forming method which is applied to an SDN network. The SND network comprises a control device and SDN devices, wherein the first SDN device generates a connectivity association key (CAK) name through deduction according to a master session key (MSK) issued by a control device in the same CA and media access control (MAC) address joint values of all SDN devices in the same CA and stores the CAK name; the first SDN device receives MAKsec key agreement (MKS) messages transmitted by other SDN devices, and the MKA messages contain the MSK issued by other SDN devices according to the control device and the MAC address joint values to generate the CAK name through deduction; the first SDN device confirms that the other SDN devices and the first SDN device are members of the same CA when the CAK name in the received MKA messages and the self-stored CAK name are matched. By means of the grouped CA forming method and device, grouped ...

RPR energy-saving management method and device

The invention provides an RPR energy-saving management method and device. The RPR energy-saving management method and device are used on RPR nodes. The method comprises the steps of accounting the flow in specified time length of an RPR logic mouth, if the flow of the specified time length is reduced to a preset lower limit threshold or is increased to an upper limit threshold, a single selection mark is marked on a preset ring in an internal selection ring table; when the flow in the specified time length is increased to the preset upper limit threshold, the single selection mark existing in the internal selection ring table is canceled; the preset ring is the same ring pre-configured on all nodes of an RPR; when the RPR logic mouth needs to send RPR data messages, the internal selection ring table is checked, if any ring in the internal ring selection table has a single section mark, seeding all the RPR data messages through a sending port of the ring with the single selection mark so ...

Method and device for processing topology change in soft restart in-service software upgrade process

The invention discloses a method and a device for processing topology change in a soft restart in-service software upgrade process. According to the scheme, in a soft restart process of an interface board, if a proxy board receives a topology change message, all STP (Spanning Tree Protocol) embodiments having the topology change are determined according to the topology change message, and topology change information corresponding to each STP embodiment having the topology change is recorded in an overall topology change state list; and after the soft restart process of the interface board, the proxy board refreshes a transfer list item corresponding to the STP embodiment of a port of the STP embodiment according to the topology change information corresponding to each STP embodiment in the overall topology change state list, and the topology change message is sent through the port of the STP embodiment. With the adoption of the method and the device provided by the invention, the transfer ...

Cold press palletizing bonding agent and preparation method thereof

The invention provides a cold press pallet bonding agent and a preparation method thereof. The cold press pallet bonding agent comprises the following raw material components in percentage by weight: 9-26% of ferrous oil sludge, 1-8% of bentonite and 70-90% of dust-sludge wastes. The preparation method comprises the following steps of: uniformly mixing the ferrous oil sludge with the bentonite, then uniformly mixing the mixture with the dust-sludge waste in a kollermill, and controlling the water ratio to be 6-15%; performing compression molding by using a cold press forming machine, and naturally placing until complete drying. The cold press palletizing bonding agent is prepared from the ferrous oil sludge and the dust-sludge waste, and iron resources can be recovered, so that the production cost of cold press pallets is reduced, the consumption of the conventional bonding agent is reduced, the grade of the pellets is improved, and the harms to production equipment and environment due ...

Supply chain management system of one-stop integrated logistic service

The invention provides a supply chain management system of one-stop integrated logistic service. The supply chain management system comprises a customer management module, a customs declaration and inspection module, a logistic distribution module, a storage module, a process module and a balance account module, wherein the customer management module is used for carrying out customer management operation to customer service staff; the customs declaration and inspection module is used for carrying out customs clearance operation on enterprise import and export practices; the logistic distribution module is used for carrying out the operation of dispatch, order supervision, order acknowledgement and the like for transportation business; the storage module is used for carrying out warehouse in/out and inventory management of cargos; the process module is used for carrying out real-time management and control, reminding and early warning on the processes of all businesses; and the balance account ...

Media Access Control security (MACsec) secret key updating method and device in In-Service Software Upgrade (ISSU) process

The invention discloses a Media Access Control security (MACsec) secret key updating method in an In-Service Software Upgrade (ISSU) process and further provides a device based on the same concept. The method comprises the steps that when a secret key server is informed of the occasion that any member equipment in a CA carries out ISSU soft restart, generating of new SAK is paused; in the ISSU soft restart process, if PN turns over, the next SAK is directly switched to. The device can circularly carry out encrypting through SAKs in the ISSU soft restart process and can guarantee uninterrupted flow.

Intelligent electric energy meter with accurate timing module

The invention discloses an intelligent electric energy meter with an accurate timing module. The intelligent electric energy meter with the accurate timing module comprises a microprocessor, a timing module, an embedded type safety control module, a communication module, a metering module, a data storing module and a relay. The microprocessor is respectively connected with the embedded type safety control module, the communication module, the metering module, the data storing module and the timing module. A clock circuit, a 32.768K crystal oscillator and a temperature sensor are built in the timing module. The timing module is sequentially connected with an optoelectronic isolation interface and a timing interface and is connected with a battery. The intelligent electric energy meter is provided with a high-accuracy clock signal within a large temperature range.

Three-phase phase-locked loop method appropriate for photovoltaic grid connected low voltage ride through

The invention provides a three-phase phase-locked loop method appropriate for photovoltaic grid connected low voltage ride through and relates to the field of solar power generation power supply, in particular to a three-phase phase-locked loop which has a function of low voltage ride through. The three-phase phase-locked loop method appropriate for the photovoltaic grid connected low voltage ride through solves the problems that an existing phaselock technique needs to consider influences of zero wander, and an existing detection method does not consider influences brought by measuring voltage deviation on voltage detection. The three-phase phase-locked loop method appropriate for photovoltaic grid connected low voltage ride through includes a first step of inputting network voltage v to a second-order orthogonal signal generator and outputting two sinusoidal signals v' and qv', wherein phases of the two sinusoidal signals differs by 90 degrees; a second step of calculating the signals ...

Optical teaching instrument based on reflection-type silicon-based liquid crystal display element

The invention discloses an optical teaching instrument based on a reflection-type silicon-based liquid crystal display element. The optical teaching instrument comprises a laser transformation module and a light modulation module, wherein the laser transformation module comprises a laser transmitter, a filter and a collimating mirror which are sequentially arranged, and the light modulation module comprises the reflection-type silicon-based liquid crystal display element arranged in the rear of the collimating mirror, and a controller connected with the reflection-type silicon-based liquid crystal display element. The optical teaching instrument is simple in structure, convenient in use and low in manufacturing cost and is widely applied to physical optical education.

Vehicle-mounted terminal and vehicle-mounted terminal music playing method

Provided are a vehicle-mounted terminal and a vehicle-mounted terminal music playing method. The vehicle-mounted terminal comprises a read module, a counting module, a control module, a video processing module and a display terminal. The number of video files read by the read module is counted through arrangement of the counting module. When the number of videos read by the counting module is larger than a preset value, the video processing module is started by the control module, video file information obtained by the read module is retrieved, list information including the video file information is produced, and the list information displayed by the display terminal is retrieved by the control module. After the list information is displayed by the display terminal, the video file information in a memorizer is still continuously read by the read module, and the video file information in the read module is continuously obtained, and the existing list information is renewed by the video ...

Quick junction device for AC end of photovoltaic inverter

The invention discloses a quick junction device for an AC (alternating current) end of a photovoltaic inverter. The quick junction device is characterized in that the quick junction device comprises a connector combination, a guide rail and a substrate connector, wherein the connector combination penetrates through an opening hole of a photovoltaic inverter box body, and is inserted into the substrate connector after guided by the guide rail; the connector combination comprises a connector structure, a junction terminal located at the rear part of a connector, a guide plate, a seal plate and a waterproof cable head; the connector structure and the junction terminal are arranged on the guide plate; the waterproof cable head and the guide plate are arranged on the seal plate; and a waterproof ring is arranged on the seal plate. According to the quick junction device, a cable connector can be connected with the connector combination under the condition that the inverter box body is not opened ...

Electric drive control system of electric automobile with solar charging function

The invention discloses an electric drive control system of an electric automobile with a solar charging function. Based on control of a vehicle control center, the electric drive control system comprises a storage battery module, a solar cell module, a control switch module and a traction motor inverter module. The electric energy output end of the solar cell module is connected with a traction moor of an automobile through the traction motor inverter module. The electric energy output end of the storage battery module is connected with the electric energy input end of the traction motor inverter module through the control switch module. The electric energy output end of the solar cell module is further connected with the storage battery module through the control switch module. The vehicle control center is connected with the control signal input end of the solar cell module, the control signal input end of the storage battery module, the control signal input end of the control switch ...

LED lighting circuit with double-power-supply drive

The invention discloses an LED lighting circuit with a double-power-supply drive. The LED lighting circuit comprises two power supply modules, two power supply monitoring modules, two LED lamp groups, two constant current control modules and a bidirectional control switch, wherein the cathode output end of each power supply module is connected with the input end of the corresponding power supply monitoring module and the cathode of the corresponding LED lamp group; the anode output end of each power supply module is connected with the output end of the corresponding power supply monitoring module, and is further connected with a signal input end of the bidirectional control switch through a corresponding diode; the anodes of the two LED lamp groups respectively pass through the corresponding constant current control modules and are subsequently connected with the signal input end of the bidirectional control switch; monitoring signal output ends of the two power supply monitoring modules ...

Count sorting device

The invention discloses a count sorting device which comprises a feeding conveying device, a discharging conveying device and a rotating blocking rod which is arranged between the feeding conveying device and the discharging conveying device and is driven by a driving device, a central axis of the rotating blocking rod is slightly higher than conveying end faces of the feeding conveying device and the discharging conveying device, an arc-shaped pressuring plate is arranged on the upper portion of the rotating blocking rod, two ends of the arc-shaped pressuring plate are located at the rear end of the feeding conveying device and the front end of the discharging conveying device respectively, a count sensor is arranged right above the rotating blocking rod, and a detecting sensor is arranged at the front end of the count sensor above the rotating blocking rod. The count sorting device has the advantages that a continuous conveying sorting is utilized, the functions of detecting, counting ...

Heating device for wastewater biochemical pool

The invention relates a heating device for a wastewater biochemical pool. The heating device comprises a heat absorption section, a heat insulation section and a heat dissipation section which are internally communicated and sequentially connected; the heat absorption section and the heat insulation section are vertically tubular; the heat dissipation section is a hollow horizontal plate; the heat absorption section is embedded in ground; and the heat dissipation section is positioned in the wastewater biochemical pool. The heat absorption section of the heating device is heated by using terrestrial heat so that a working medium in a heater is boiled to be at vapor state and enter the heat dissipation section through the heat insulation section, the temperature of wastewater in the biochemical pool is raised, and the activity of biochemical bacteria is substantially increased.

GROUP-AWARE COMMAND-BASED ARRANGEMENT OF GRAPHIC ELEMENTS

Group aware command based arrangement is provided. An alignment command can be received, an undirected graph comprising a group of graph nodes connected by graph edges can be constructed, wherein the group of graph nodes represent a group of selected display elements, and the undirected graph can be partitioned as a function of identifying a severable graph edge of the graph edges that connects a pair of graph nodes included in the group of graph nodes to form a first collection of graph nodes and a second collection of graph nodes.

Preparation method of hydrazide compound

The invention discloses a preparation method of a hydrazide compound. The preparation method comprises the following steps of adding an ester and hydrazine hydrate into a reactor, carrying out heating reflux for 0.5-2h, carrying out reaction fractionation or reaction rectification, wherein by control, the distillates comprise an alcohol compound and water, and after the reaction, carrying out reduced pressure distillation to obtain the hydrazide compound. The preparation method has a high raw material utilization rate, does not produce waste, does not utilize a reaction solvent, improves reactor volume use efficiency, improves production efficiency, has simple processes, has a hydrazide compound yield more than 90%, realizes ton-magnitude hydrazide industrial production, has a small safety risk and has a wide substrate application range.

Method and device for eliminating loop in resilient packet ring network

The invention provides a method and a device for eliminating a loop in a resilient packet ring (RPR) network. According to the method, a loop exists between nodes of different resilient packet rings (RPRs) in the RPR ring network, each node of the loop enables rapid ring protection protocol (RRPP) configuration, two ports of each node are provided with RRPP rings, a node on an RRPP ring is specified as an RRPP master node, the RRPP master node specifies a port connected with the RRPP ring as a main port and the other port as an auxiliary port, when the RRPP ring is positioned in a health status, the main port is opened and the auxiliary port is blocked, when the blocked auxiliary port is an RPR logic port, the RRPP master node prevents the RPR connected with the auxiliary port from executing insert and transit operation of data messages but executes the transit operation of RRPP messages on the RPR connected with the auxiliary port. By the method and the device, the loop in the RPR network ...

Smooth software updating method and equipment

The invention discloses a smooth software updating method and equipment. The method comprises the following steps: a neighbor discovery protocol message with an ISSU (In-Service Software Upgrade) beginning mark, which is sent by second communication equipment is received by adjacent first communication equipment, and the neighbor discovery protocol message with the ISSU beginning mark is sent when software of the second communication equipment is updated; a coordination protocol module in the equipment is notified of the beginning of the software updating of the second communication equipment by the first communication equipment according to the ISSU beginning mark, and the coordination protocol module is a protocol module which is related to the software updating and needs to coordinate with neighboring equipment to realize smooth software updating; and after the notice on the beginning of the software updating of the second communication equipment is received, the coordination protocol ...

Converter slag stability modifier and application method thereof

The invention provides a converter slag stability modifier and an application method thereof, wherein the modifier is a mixture composed of one or more from the group of iron ore tail slag, an iron ore rock dump and blast furnace slag, characterized in that the ingredients, by weight, are 28%-99% of SiO2, 0.01%-20% of Al2O3, 0.01%-20% of CaO, 0.01%-10% of MgO, and 0.01%-22% of TFe. The application method of the converter slag stability modifier comprises material preparing, material feeding, gas blowing stirring, slag tapping, steel slag graining, etc., making f-CaO <=1.5% and realizing stabilizing treatment for the converter slag.

Preparation method of spherical composite humidity-controlling material

The invention relates to a preparation method of a spherical composite humidity-controlling material, which comprises the following steps of: a. activating halloysite for 2-3 hours to obtain activated halloysite; b. adding polyacrylic acid into a sodium hydroxide solution obtained by mixing sodium hydroxide with distilled water for neutralization, respectively adding konjac glucomannan, the activated halloysite, potassium peroxodisulfate, N, N'-methylene bisacrylamide and a aluminum chloride solution obtained by mixing aluminum chloride and water into a reactor filled with the neutralized solution, and stirring for reaction; c. adding sodium bicarbonate into the reactor to generate aluminum hydroxide and carbon dioxide, carrying out primary foaming, and stirring for reaction to obtain a synthetic product; d. drying the synthetic product at 80 DEG C and shearing the block synthetic product into small cubic pieces; and e. heating at the temperature of 150 DEG C to decompose aluminium hydroxide ...

Process for preparing 4-methyl-2, 3, 5, 6-tetrafluorobenzyl alcohol

The invention discloses a process for preparing 4-methyl-2, 3, 5, 6-tetrafluorobenzyl alcohol. The process is characterized by comprising the steps: (1) reacting 2, 3, 5, 6-tetrafluorobenzyl alcohol with halogen hydride to obtain 3-halomethyl-1, 2, 4, 5-phenyl tetrafluoride; (2) carrying out hydrogenation, reduction and dehalogenation on 3-halomethyl-1, 2, 4, 5-phenyl tetrafluoride in the presence of a metal catalyst to obtain 2, 3, 5, 6-tetrafluorobenzene; and (3) in an inert solvent, reacting 2, 3, 5, 6-tetrafluorobenzene with an organic lithium reagent under low temperature to obtain an aryl lithium intermediate, and reacting the aryl lithium intermediate obtained with formaldehyde gas under low temperature to obtain 4-methyl-2, 3, 5, 6-tetrafluorobenzyl alcohol. The process has the advantages that the raw materials and the reagents are low in price and available, the reaction yield is good, the product purity is high and the like.

Method for manufacturing high-strength cold-pressed pellets

The invention discloses a method for manufacturing high-strength cold-pressed pellets. The method is characterized in that under the condition that binders are not added, quick lime and ferrous scraps are used as raw materials, the ferrous scraps comprise converter dust or sludge, gas ash or sludge and iron sheets, and each high-strength cold-pressed pellet comprises, by weight, from 8% to 21% of the quick lime, from 25% to 40% of the converter dust or sludge, from 25% to 45% of the gas ash or sludge and from 22% to 42% of the iron sheets. The method includes digesting the quick lime and water according to the weight ratio of 1:3-6 for 20 to 30 minutes; uniformly mixing digested lime with the ferrous scraps in a mixing mill; and pressing a mixture of the lime and the ferrous scraps by a cold-pressure forming machine into the pellets. The high-strength pellets are pressed without adding the binders. As tested by production, the compressive strength of a wet pellet can reach 150N, the compressive ...

LLDP (link layer discovery protocol) massage processing method and device

The invention discloses an LLDP (link layer discovery protocol) massage processing method and an LLDP massage processing device. The method comprises the following steps that: STY (subtype) TLV (type, length, value) is defined in advance, STY TLV indicates that the TLV type is same as the TLV type of the former TLV, and the STY TLV consists of a TLV head and a TLV information field; when information data is sent, each information data in to-be-sent N information datum is carried by a first TLV, wherein the first TLV consists of an extension TLV head and a TLV information field, and more than two continuous first TLVs are allowed to be carried in one LLDP massage; a first TLV and (N-1) STY TLVs are constructed to carry N information datum, wherein the TLV information field in the first constructed TLV is used for carrying one information data in the N information data, a TLV information field in each constructed STY TLV is used for carrying one information data in the rest (N-1) information ...

Ceramic body surface treating agent and preparation method thereof, ceramic body surface treating method, ceramic body and application of ceramic body surface treating agent

The invention relates to a ceramic body surface treating agent and a preparation method thereof, a ceramic body surface treating method, a ceramic body and an application of the ceramic body surface treating agent. The ceramic body surface treating agent comprises the following components by mass percent: 85-95% of pure water, 0.5-10% of water-soluble high molecular compound, 0.5-10% of inorganic acid and 0.5-10% of inorganic compound. The ceramic body surface treating agent is low in content of inorganic acid and low in irritation; since pure water is taken as a solvent and no organic solvent is contained, the ceramic body surface treating agent is environment-friendly; experiments show that the ceramic body is soaked in the ceramic surface treating agent, baked and thermally treated and then an insulation protective layer can be formed on the surface of the ceramic body when the ceramic body surface treating agent is used for surface treatment of the ceramic body; therefore, the technology ...

Flotation reagent for copper-nickel sulfide ores

The invention discloses a flotation reagent for copper-nickel sulfide ores. The flotation reagent comprises, by weight, 35-65 parts of alkyl-dithiocarbamate, 5-25 parts of second oil, 5-10 parts of terpilenol, 15-20 parts of hydrazide-group-dithio-formic ether and 5-15 parts of dialkyl-dithiophosphate. The flotation reagent is good in selection, strong in collecting capacity and good in bubble stability, especially has a stronger collecting effect on the copper-nickel sulfide ores, can achieve separation of valuable minerals from gangue minerals such as serpentine and olivine within the pH value of 7-10, and can effectively improve concentrate grade and the recovery rate.

Preparation and performance detection method of spherical bismuth-base Bi-DMF (dimethylformamide) photocatalyst

The invention relates to a preparation and performance detection method of a bismuth-base photocatalyst, belonging to the field of an organic material. The method is characterized by preparing a spherical bismuth-base photocatalyst with regular and uniform appearance with a heating reflux method. A synthesis method comprises the following steps of: dissolving Bi(NO3)3.5H2O in acetic acid, wherein ethylene glycol is used as a reaction medium; stirring uniformly; adding a certain volume of dimethylformamide (DMF); and performing heating reflux on the obtained solution and stirring to obtain Bi-DMF flower spheres. The prepared Bi-DMF flower spheres are subjected to a photocatalytic performance test in visible light, the purple rhodamine becomes colorless in 2 hours, and the degradation is complete. According to the invention, the material preparation method is simple, the synthesis temperature is low, the reaction time is short, the price of raw materials is low, and industrial production ...

Vehicle-mounted end

The invention provides a vehicle-mounted end. The vehicle-mounted end comprises a music information request processing module, a music download processing module and a storage module. In the radio music playing process, the music information request processing module extracts a voice frequency section of a piece of radio music to form a broadcast music information request and sends the broadcast music information request to a cloud server to obtain music information corresponding to the voice frequency section; the music download processing module analyzes the music information, and then obtains a voice frequency file corresponding to the piece of radio music from a network, and the voice frequency file is stored into an external device through the storage module, and therefore radio music storage is completed. The vehicle-mounted end is used for obtaining the voice frequency section of part of the radio music, the music information corresponding to the radio music is obtained through the ...

Frequency modulation broadcast receiving method for vehicle end

A frequency modulation broadcast receiving method for vehicle end comprises determining a geographical position of the vehicle end to determine a current location area of the vehicle end; acquiring, based on the current location area, a local broadcasting radio station list which is corresponding to the current location area and is stored in the vehicle end; if the local broadcasting radio station list is not acquired in the vehicle end, automatically acquiring the local broadcasting radio station list according to radio station radio wave of the current local area and storing the local broadcasting radio station list, and when the vehicle end arrives at the current local area again, retrieving the stored local broadcasting radio station list; and based on the local broadcasting radio station list, determining which radio station is to be selected and playing the selected radio station. When a vehicle end enters a new area, the local broadcasting radio station list that is corresponding ...

Method for preparing sodium polyacrylate-halloysite-konjac glucomannan composite humidity conditioning agent

The invention relates to a method for preparing a sodium polyacrylate-halloysite-konjac glucomannan composite humidity conditioning agent. The method comprises the following steps of: (a) activating halloysite at the temperature of 450 DEG C; (b) weighing polyacrylic acid, adding the weighed polyacrylic acid into sodium hydroxide liquid, prepared from sodium hydroxide and distilled water, to neutralize, weighing konjac glucomannan, activated halloysite, nano silver-loaded antimicrobial powder, potassium persulfate, N,N'-methylene-bis-acrylamide, and aluminum chloride liquid, prepared from aluminum chloride and water, respectively adding the weighed konjac glucomannan, activated halloysite, nano silver-loaded antimicrobial powder, potassium persulfate, N,N'-methylene-bis-acrylamide and aluminum chloride liquid into a reactor containing neutralized liquid, and carrying out reaction for 1-2 hours while stirring; (c) cooling a polymer obtained in the step (b) to room temperature, then drying ...

Recycling process for low-frequency (LF) furnace refining slag

The invention discloses a recycling process for low-frequency (LF) furnace refining slag. The process is characterized in that the process comprises the following steps of: mixing LF furnace slag with the weight percentage of 10-30 percent with iron-containing waste materials with the weight percentage of 70-90 percent; controlling moisture content of the mixed material to be 13-18 percent; putting the mixed material into a mixing mill for mixing and milling according to the proportion for 20-30 minutes to uniformly mix; compacting and forming the mixture by a cold press forming machine; and naturally placing for 25-30 days to form metallurgy cold-pressed pellets. The process has the effects that for the pellets prepared by the method, the compression strength of a single pellet can reach over 2500N, a one-meter free drop test can be performed more than twenty times to completely meet a requirement of the strength of the metallurgy cold-pressed pellets, and the pellets can be applied to ...

Method for separating and recycling casting residues

The invention discloses a method for separating and recycling casting residues, which comprises the following steps: paving acidic metallurgy wastes being 13%-15% of primary casting residues into an empty residue tank; pouring the casting residues and residual molten steel into the residue tank; coating by adding 16%-30% of metallurgy wastes to the liquid level of the residue tank; standing by and waiting for the pouring of the casting residues and residual molten steel in the next residue tank; transporting the residue tank to a residue field for turning the residues and cooling, after the residue tank is full; naturally layering the residues and irons after cooling; separating the residues from the steel after crushing and magnetically separating; and respectively applying the residues and the steel to the subsequent technologies. The method has the advantages that: the present equipment and the low-cost wastes are utilized; the technology is simple; the separating efficiency of the residues ...

Water cooling device of vertical lathe

The invention relates to a water cooling device, in particular to a water cooling device of a vertical lathe, which comprises a vertical lathe workbench, and is characterized in that the workbench is connected with a water tank through a water return pipeline and a water outlet pipeline; a hydro-extracting ring is fixed on the workbench; a return flume is arranged at the lower part of the hydro-extracting ring; a water spray port spraying water to the workbench is connected to the outlet of the water outlet pipeline; and a control device for controlling the water spraying process and the hydro-extracting process is connected to the water tank. The water cooling device is unique in structure, solid and durable to use, convenient to mount, and low in manufacturing cost.

Mould temperature sensing structure

The invention discloses a mould temperature sensing structure which comprises a mould body and a temperature measuring hole. The temperature measuring hole is arranged on the outer surface of the mould body, can be inserted with a temperature sensor and leads to the center of the mould body. When inserted into the temperature measuring hole, the temperature sensor is arranged at the position close to the center of the mould body, so that the temperature sensor can measure center temperature of the mould body accurately and product quality is guaranteed during casting.

Seabed berth type deepwater oil and gas pipeline inspection system

The invention relates to a seabed berth type deepwater oil and gas pipeline inspection system. The system comprises an underwater inspection device and an underwater communication charging fixed base station butted. The underwater inspection device comprises an inspection device body, wherein electronic cabins are symmetrically mounted in the middle part of the inspection device body, an underwater acoustic communication and positioning guiding device is mounted in each of the electronic cabins, bow thrusters are symmetrically arranged on two sides of the bow part at the front end of the inspection device body, a butt joint and a light are mounted on the bow part, and bow vertical thrusters are further symmetrically mounted in the middle part of the bow part; stern main thrusters are symmetrically arranged on two sides of a stern part at the rear end of the inspection device body, and a stern vertical thruster located between the two stern main thrusters is arranged in the middle part of ...

Method for preparing baking-free bricks and building blocks with sintering desulfuration by-products

The invention discloses a method for preparing baking-free bricks and building blocks with sintering desulfuration by-products. By weight percentage, components comprise 10%-50% of sintering desulfuration by-products, 10%-25% of steel slag, 10%-35% of blast furnace slag, 10%-35% of coal ash, 1%-8% of gypsum, 0.5%-2% of coagulant, and 0.3%-1.1% of water reducing agents. The components are respectively ground to form powder materials larger than 300 meshes for preparation. The sintering desulfuration by-products and the steel slag are mixed according to the proportion, water is added, seriflux with the sintering desulfuration by-products and the steel slag is formed, and the sintering desulfuration by-products and the steel slag occupy 10%-80% of total weight of the seriflux which is fully stirred evenly. Strong oxidant H2O2 is added, the weight ratio of H2O2 is 0.5%-3% of the total weight of the sintering desulfuration by-products and the steel slag, then air or mixed gas of air and industrial ...

A visual efficacy measuring method for objects in different light environments

The present invention relates to a visual efficacy measuring method for objects in different light environments, which comprises: (a) setting a light environment; (b) measuring a relationship between color temperature and time; (c) a driver visually recognizing a target object; (d) resetting the light environment, and repeating the step (c); (e) processing the visual recognition information data collected by the experiments so as to establish a relationship of the visual recognition time in relation with the light environmental parameters of color temperature, color rendering index and brightness; (0 performing visual efficacy analysis according to the processing results of the visual recognition information data. The present invention also provides a color temperature standard determining method for a tunnel middle section in day time, which comprises: (a) setting a light environment; (b) measuring a relationship between color temperature and time; (c) selecting a stably distributed color temperature segment; (d) determining the color temperature standard. The method of the present invention performs visual efficacy analysis of the influence that light environment settings of illumination on a night road or in a tunnel middle section have on drivers' visual recognition activity, thereby providing a good guiding standard for reasonable and efficient setting of color temperature, color rendering index and average brightness of an illumination device.

SYSTEMS AND METHODS FOR INDOOR POSITIONING

The present disclosure is related to systems and methods for indoor positioning. The method includes obtaining a first location of a subject at a first time point. The method also includes determining one or more motion parameters associated with the subject at least based on one or more sensors carried by the subject. The method further includes determining, based on the first location of the subject and the one or more motion parameters associated with the subject, a second location of the subject at a second time point after the first time point. The method still further includes adjusting, at least based on surroundings information associated with the subject at the second time point, the second location of the subject to determine a target location of the subject. 1. A method for indoor positioning , implemented on a computing device having at least one storage device storing a set of instructions , and at least one processor in communication with the at least one storage device , the method comprising:obtaining a first location of a subject at a first time point;determining one or more motion parameters associated with the subject at least based on one or more sensors carried by the subject;determining, based on the first location of the subject and the one or more motion parameters associated with the subject, a second location of the subject at a second time point after the first time point; andadjusting, at least based on surroundings information associated with the subject at the second time point, the second location of the subject to determine a target location of the subject.2. The method of claim 1 , wherein the one or more motion parameters associated with the subject include at least one of a step length claim 1 , a step count claim 1 , or a heading direction.3. The method of claim 1 , wherein determining claim 1 , based on the first location of the subject and the one or more motion parameters associated with the subject claim 1 , the second ...

SYSTEMS AND METHODS FOR DETERMINING RECOMMENDED LOCATIONS

A method for determining a recommended location may include identifying a candidate location based on historical order data of a plurality of historical passengers; obtaining a plurality of images showing sights around the candidate location, wherein the plurality of images are captured by at least one vehicle recorder; determining an identification result as to whether a road element is present around the candidate location based on the plurality of images; and determining whether the candidate location is a recommended location based on the identification result. 1. A system for determining a recommended location , comprising:at least one network interface to communicate with at least one vehicle recorder;at least one storage medium including a set of instructions; and identify a candidate location based on historical order data of a plurality of historical passengers;', 'obtain a plurality of images, via the at least one network interface, showing sights around the candidate location, wherein the plurality of images are captured by the at least one vehicle recorder;', 'determine an identification result as to whether a road element is present around the candidate location based on the plurality of images; and', 'determine whether the candidate location is a recommended location based on the identification result., 'at least one processor in communication with the at least one storage medium and operably connected to the at least one network interface, wherein when executing the set of instructions, the at least one processor is directed to2. The system of claim 1 , wherein to determine the identification result claim 1 , the at least one processor is further directed to:for each of the plurality of images, identify whether the road element is present around the candidate location based on a deep learning neural network.3. The system of claim 1 , wherein the identification result is that the road element is not present and the candidate location is determined as ...

Information Processing Method, Terminal and Readable Storage Medium

An information processing method, a terminal, and a readable storage medium are provided for solving the technical problem that a mobile phone is stuck when photographing by dual cameras. The method includes that: when photographing by multiple cameras included in a terminal, a first pixel value of a current photographed image is acquired; the terminal determines that a total Central Processing Unit (CPU) occupancy rate is greater than or equal to a first threshold, wherein the first threshold is, after a pixel value of a photographing application corresponding to the plurality of cameras is set to the first pixel value, a maximum value of the total CPU occupancy rate allowed when the photographing application is running; and the terminal turns off at least one of applications running in the background, as to that the total CPU occupancy rate is less than the first threshold. 1. An information processing method , comprising:when photographing by a plurality of cameras comprised in a terminal, acquiring a first pixel value of a current photographed image;determining, by the terminal, that a total Central Processing Unit (CPU) occupancy rate is greater than or equal to a first threshold, wherein the first threshold is, when a pixel value of a photographing application corresponding to the plurality of cameras is set to the first pixel value, a maximum value of the total CPU occupancy rate allowed when the photographing application is running; andturning off, by the terminal, at least one of applications running in the background, as to that the total CPU occupancy rate is less than the first threshold.2. The method as claimed in claim 1 , wherein turning off claim 1 , by the terminal claim 1 , the at least one of applications running in the background comprises:detecting, by the terminal, a CPU occupancy rate of each of the applications running in the background;determining, by the terminal, the at least one application from the applications running in the background ...

SYNTHETIC METHOD OF 9,9-BIS[4-(2-HYDROXYETHOXY)PHENYL]FLUORENE

A synthetic method of 9,9-bis[4-(2-hydroxyethoxy)phenyl]fluorene, belonging to the technical field of chemical synthesis. 9-fluorenone, phenoxyethanol, a catalyst and a cocatalyst are stiffed in an alkane solvent and heated until refluxing, the generated water is removed from the reaction solution via an azeotropic method while reacting, the reaction solution is diluted with water after the reaction is ended, uniformly stirred and cooled to separate out crystals and then filtered, a filter cake is rinsed and dried to obtain a 9,9-bis[4-(2-hydroxyethoxy)phenyl]fluorene finished product; the filtered crystallization mother liquor is subjected to standing and layering, a water phase is removed, then an organic phase is distilled to recycle the alkane solvent, and the concentrate is rectified to recycle phenoxyethanol.

INDOOR NAVIGATION SYSTEM BASED ON AUGMENTED REALITY

Systems and methods for navigating a user to a destination are provided. An exemplary indoor navigation method uses a terminal device. The method includes capturing, by the terminal device, image data of an indoor scene, and determining a current position of the user based on the captured image data. The method also includes determining a navigation path and a navigation sign for navigating the user from the current position to the destination, and rendering, by the terminal device, a three-dimensional representation of the indoor scene with the navigation sign placed therein based on the image data and the navigation path. The navigation sign signals the navigation path in the three-dimensional representation. The method further includes displaying, on the terminal device, the three-dimensional representation to the user. 1. An indoor navigation method for navigating a user to a destination using a terminal device , comprising:capturing, by the terminal device, image data of an indoor scene;determining a current position of the user based on the captured image data;determining a navigation path and a navigation sign for navigating the user from the current position to the destination;rendering, by the terminal device, a three-dimensional representation of the indoor scene with the navigation sign placed therein based on the image data and the navigation path, wherein the navigation sign signals the navigation path in the three-dimensional representation; anddisplaying, on the terminal device, the three-dimensional representation to the user.2. The indoor navigation method of claim 1 , wherein the navigation sign includes a directional sign pointing the user in a direction according to the navigation path.3. The indoor navigation method of claim 1 , wherein the navigation sign includes text information instructing the user to move in a direction according to the navigation path.4. The indoor navigation method of claim 1 , wherein the navigation sign floats in the ...

Method and Device for Assigning Application Usage Permission

The present disclosure related to a method and device for assigning application usage permission. The method includes: collecting a first image of a current first user, and when it is recognized that a target application is enabled, judging whether the first image matches a target image corresponding to the target application (S101); if yes, assigning all usage permissions of the target application to the current first user (S102); if not, judging whether there is a first stranger image matching the first image successfully (S103); if yes, assigning a corresponding usage permission of the target application to the current first user according to a collection count corresponding to the first stranger image and a usage permission corresponding to a collection count range threshold (S104); and if not, not assigning the usage permission of the target application to the current first user (S105).

SYSTEMS AND METHODS FOR NEW ROAD DETERMINATION

The present disclosure relates to systems and methods for identifying one or more target roads. The systems may perform the methods to obtain a heat map associated with a plurality of driving track points along a plurality of roads in a target region, wherein the plurality of roads includes one or more target roads and one or more reference roads; obtain a road network map associated with the one or more reference roads in the target region; produce an intermediate heat map by: eliminating pixels in the heat map corresponding to the one or more reference roads in the road network map, eliminating background pixels corresponding to background of the heat map, and thinning the heat map; and determine start coordinate information and end coordinate information associated with the one or more target roads based on the intermediate heat map according to a linear transformation. 1. A system , comprising:at least one storage medium including a set of instructions for identifying one or more target roads; and obtain a heat map associated with a plurality of driving track points along a plurality of roads in a target region, wherein the plurality of roads includes one or more target roads and one or more reference roads;', 'obtain a road network map associated with the one or more reference roads in the target region;', eliminating pixels in the heat map corresponding to the one or more reference roads in the road network map;', 'eliminating background pixels corresponding to background of the heat map; and', 'conducting an image thinning operation to the heat map; and, 'produce an intermediate heat map by, 'determine start coordinate information and end coordinate information associated with the one or more target roads based on the intermediate heat map according to a linear transformation., 'at least one processor in communication with the at least one storage medium, wherein when executing the set of instructions, the at least one processor is directed to2. The system of ...

Systems and methods for determining new roads on a map

A method configured to implemented on at least one map processing device for determining new roads on a map includes obtaining a first road network image of a region, the first road network image including a first plurality of roads. The method also includes determining a second road network image of the region based on a map of the region, the second road network image including a second plurality of roads that are not present in the first road network image. The method further includes determining a third road network image by concatenating the first road network image and the second road network image. The method still further includes determining a fourth road network image of the region by processing the third road network with at least one convolution layer, the fourth road network including the second plurality of roads.

A ROLL-OVER FLOATING MIXED MULTI-HABITAT SUBMERSIBLE BASED ON BUILT-IN DRIVING PRINCIPLE

The present invention discloses a roll-over floating mixed multi-habitat submersible based on built-in driving principle comprising an outer spherical shell, a propulsion unit, an inner spherical shell, a rolling power unit, a buoyancy adjusting unit and a steering unit; the inner spherical shell can be set in the outer spherical shell rotating in the first axis direction relative to outer spherical shell; the roller power unit can be set in the inner spherical shell, capable of rotating around the second axis to generate an eccentric moment to advance or retract the submersible; the buoyancy adjusting unit and steering unit are installed in the space between the outer spherical shell and the inner spherical shell, wherein the buoyancy adjusting unit is capable of causing the submersible to sink or float in the water body and the steering unit is capable of driving the inner spherical shell to rotate relative to the outer spherical shell; The first axis is perpendicular to the second axis. The present invention has the beneficial effect that it not only can float in water body and move at the bottom of the water body, but also be able to move on land to realize the ability of interdisciplinary activity, and also to make the laying and recycling simple. 1. A roll-over floating mixed multi-habitat submersible based on built-in driving principle comprises an outer spherical shell , a propulsion unit , an inner spherical shell , a rolling power unit , a buoyancy adjusting unit and a steering unit , wherein ,the outer spherical shell has a spherical outer wall and the inner spherical shell has a spherical inner wall,the inner spherical shell is set in the outer spherical shell, capable of rotating in a first axis direction relative to the outer spherical shell,the roller power unit is set in the inner spherical shell, capable of rotating around a second axis to generate an eccentric moment to advance or retract the submersible,the buoyancy adjusting unit and the steering ...

Rolling and floating combined amphibious vehicle based on internal drive principle

Multi-use mobile robot and obstacle surmounting method thereof

A multi-use mobile robot comprises a robot body 4, at least one pair of propelling systems 1 disposed on two sides of the robot body, at least one pair of buoyance regulating systems 2 disposed on the two sides of the robot body, an acoustic-optical detection system 31 and 32 disposed on the robot body, and a control system disposed in the robot body. The propelling systems are used for propelling the robot to crawl under the water and advance on the water and in the water. The buoyance regulating systems are used for regulating self-buoyance according to different tasks to allow the robot to perform a task on the water, in the water or under the water. The acoustic-optical detection system comprises an underwater laser detection device 31 and a sonar detection device 32, and sends detected images back to the control system, and the control system instructs the propelling systems and the buoyance regulating systems to act after performing recognition and determination. The propelling systems may use the Archimedean spiral propelling principle, thus having good mobility on the shore, on the water, in the water and under the water.

Systems and methods for updating 3d model of building

Systems and methods for updating a model of a building are provided. The method includes obtaining a three-dimensional (3D) model of a building including reference environmental data associated with a plurality of reference locations of the building and obtaining current environmental data corresponding to a current location of the building. The method further includes identifying, from the 3D model, a target reference location corresponding to the current location from the plurality of reference locations of the building and comparing the current environmental data with the target reference environmental data. The method further includes sending to the user device the target reference location when the current environmental data match the target reference environmental data, and updating the 3D model with the current environmental data when the current environmental data statistically un-match the target reference environmental data.

Seakeeping unmanned boat provided with water-surface self-adaptive stabilizer

A seakeeping unmanned boat provided with a water-surface self-adaptive stabilizer. The unmanned boat is of a catamaran type and comprises an upper deck (1), floating bodies (7) separated from the upper deck (1) and the self-adaptive stabilizer; the floating bodies (7) provide buoyancy for the unmanned boat and are provided with propelling devices (8); the floating bodies (7) are two floating bodies that are completely bilaterally symmetric; a tilt angle sensor, an accelerometer and a gyroscope are provided on the upper deck (1) and are used to acquire the rotating angle of the upper deck (1) and an angular acceleration prediction and tendency and to transmit the same to a control system in real time; and the self-adaptive stabilizer comprises a suspension system and a balance control mechanism (6).

Pyrido ring compound, preparation method therefor, intermediate, composition, and application

Disclosed are a pyrido ring compound, a preparation method therefor, an intermediate, a composition, and an application. The pyrido ring compound has a structure as shown in formula I, has JAK inhibitory activity, and can be used for treating JAK-related diseases, such as autoimmune diseases or cancers.

Dual-targeting compound, and preparation method therefor and use thereof

The present disclosure relates to the fields of nuclear medicine and molecular imaging, and specifically relates to a dual-targeting compound and a preparation method and application thereof. The dual-targeting compound has the following structure shown in Formula (I). The present disclosure also provides a dual-targeting compound capable of being labeled with a radionuclide, and the compound has the following structure shown in Formula (I-1) or Formula (I-2). The dual-targeting compound of the present disclosure has high affinity for an FAP target and an integrin α v β 3 target, can realize synergistic targeting of the FAP target and the integrin α v β 3 target in tumors, and has high uptake in tumors and long retention time in tumors. The present disclosure also provides a radionuclide labeled dual-targeting compound based on the dual-targeting compound, and a preparation method and application thereof in preparation of medicines for diagnosis or therapy of diseases characterized by overexpression of FAP and/or integrin α v β 3 .

Three-dimensional element layout visualization method and apparatus

The present disclosure provides a three-dimensional element layout visualization method and apparatus. The three-dimensional element layout visualization method includes: determining a bounding box of each three-dimensional element in a visualization interface; projecting the bounding box of each three-dimensional element in a target projection direction to obtain edge elements of the bounding box of each three-dimensional element in the visualization interface; and determining, according to positions of the edge elements in the visualization interface, at least one edge element set satisfying a first preset condition, and displaying a collinearity identification corresponding to the edge element set in the visualization interface.

Machine learning systems and methods with source-target adaptation

Embodiments of the disclosure provide systems and methods for domain adaptation between a plurality of source domains and a target domain. The artificial intelligence method includes receiving labeled data from the plurality of source domains and unlabeled data from the target domain. The method further includes separately training, by a processor, a plurality of source classifiers each corresponding to a source domain using the labeled data received from the respective source domains. The method also includes selecting a subset of the labeled data received from each source domain based on a similarity between the selected labeled data and the unlabeled data of the target domain. The method additionally includes refining, by the processor, each source classifier using the selected subset of the labeled data, and predicting labels of the unlabeled data using the refined source classifiers.

Apparatuses and methods for recovering autonomous underwater vehicle by steering cable-based unmanned vehicle

Method and system for survey and stability evaluation of upstream tailing fill dam

The present disclosure relates to the field of survey and stability evaluation of a tailing fill dam, in particular to a method and system for survey and stability evaluation of an upstream tailing fill dam, wherein the method comprises the following steps: selecting a drill bit and a soil sampler for a target tailing fill dam; collecting tailing sand at different depths of the target tailing fill dam using the drill bit and the soil sampler; detecting an undisturbed soil sample of the tailing sand; setting a preset standard according to the undisturbed soil sample, and screening the tailing sand using the preset standard to obtain a tailing sand sample; detecting the particle composition of the tailing sand sample; detecting the mechanical property of the tailing sand sample; and evaluating the stability of the target tailing fill dam through the particle composition and the mechanical property.

Three-dimensional element layout visualization method and apparatus

The present disclosure provides a three-dimensional element layout visualization method and apparatus. The three-dimensional element layout visualization method includes: determining a bounding box of each three-dimensional element in a visualization interface; projecting the bounding box of each three-dimensional element in a target projection direction to obtain edge elements of the bounding box of each three-dimensional element in the visualization interface; and determining, according to positions of the edge elements in the visualization interface, at least one edge element set satisfying a first preset condition, and displaying a collinearity identification corresponding to the edge element set in the visualization interface.

Truncated evans blue modified fibroblast activation protein inhibitor, preparation method therefor, and application thereof

The present disclosure provides a truncated Evans Blue modified fibroblast activation protein inhibitor compound. The compound is formed by connecting truncated Evans Blue, a fibroblast activation protein inhibitor and a nuclide chelating group by means of connecting groups L 1 , L 2 , L 3 , L 4 and X. The compound has the following structure shown in Formula (I), where R 1 is a fibroblast activation protein inhibitor; L 1 is lysine, glutamic acid, or a derivative structure thereof; L 2 is -(CH 2 ) n -, n is an integer from 0 to 30, and each -CH 2 - may be individually substituted or unsubstituted with -O-, -NH-, -(CO)-, -NH(CO)-, or -(CO)-NH-; L 3 is -(CH 2 ) m -, m is an integer from 0 to 30, and each -CH 2 - may be individually substituted or unsubstituted with -O- or -(CO)-; L 4 is -(CH 2 ) p -, p is an integer from 0 to 30, and each -CH 2 - may be individually substituted or unsubstituted with -O-, -NH-, -(CO)-, -NH(CO)-, or -(CO)-NH-; X is selected from N, C, O, S, or and R 2 is a nuclide chelating group. The present disclosure also provides a radiolabeled complex based on the structure of the compound. The compound and the radiolabeled complex have the characteristics of significantly prolonging the half-life in blood circulation, improving the uptake and enrichment in tumors and prolonging the retention time, and are suitable for nuclide therapy and imaging of tumors with high expression of FAP.

Anti-factor xii (fxii) nanobody or antigen-binding fragment thereof, and use thereof

A nanobody or an antigen-binding fragment thereof against a specific region of a factor XII (FXII) is provided. The nanobody or the antigen-binding fragment thereof binds to FXII through a binding epitope for FXII to block the activation of FXII, and the binding epitope for FXII includes a conformational epitope. A neutralizing antibody for FXII screened by phage display is provided, and it has been found that the neutralizing antibody can treat thrombosis, myocardial ischemia-reperfusion injury (IRI), and vasculitis in mouse arterial thrombosis, rat extracorporeal membrane oxygenation (ECMO), mouse IRI, and vasculitis models.

Visual efficacy measuring method for objects in different light environments

The present invention relates to a visual efficacy measuring method for objects in different light environments, which comprises: (a) setting a light environment; (b) measuring a relationship between color temperature and time; (c) a driver visually recognizing a target object; (d) resetting the light environment, and repeating the step (c); (e) processing the visual recognition information data collected by the experiments so as to establish a relationship of the visual recognition time in relation with the light environmental parameters of color temperature, color rendering index and brightness; (f) performing visual efficacy analysis according to the processing results of the visual recognition information data. The present invention also provides a color temperature standard determining method for a tunnel middle section in day time, which comprises: (a) setting a light environment; (b) measuring a relationship between color temperature and time; (c) selecting a stably distributed color temperature segment; (d) determining the color temperature standard. The method of the present invention performs visual efficacy analysis of the influence that light environment settings of illumination on a night road or in a tunnel middle section have on drivers' visual recognition activity, thereby providing a good guiding standard for reasonable and efficient setting of color temperature, color rendering index and average brightness of an illumination device.

Systems and methods for updating a 3D model of building

Systems and methods for updating a model of a building are provided. The method includes obtaining a three-dimensional (3D) model of a building including reference environmental data associated with a plurality of reference locations of the building and obtaining current environmental data corresponding to a current location of the building. The method further includes identifying, from the 3D model, a target reference location corresponding to the current location from the plurality of reference locations of the building and comparing the current environmental data with the target reference environmental data. The method further includes sending to the user device the target reference location when the current environmental data match the target reference environmental data, and updating the 3D model with the current environmental data when the current environmental data statistically un-match the target reference environmental data.

用于电力施工中的速拆式基础抱箍

本实用新型涉及电力施工抱箍技术领域，具体地说，涉及一种用于电力施工中的速拆式基础抱箍，其包括整体呈链状的抱箍主体，抱箍主体包括若干个首尾依次相连接的连接件；连接件包括抱箍连接座，抱箍连接座内设有开口水平设置的连接头安装腔，连接头安装腔中可转动的设有抱箍连接头，抱箍连接座内远离连接头安装腔的端部设有连接头放置腔，连接头放置腔的内壁上设有限位槽，抱箍连接头内可滑动的设有与限位槽相配合用于将抱箍连接头固定在连接头放置腔中的限位件。本实用新型可以适用于不同直径的电力设备的固定，并且可以较为方便地实现两连接件的连接与拆卸，从而使得本实用新型在安装与拆卸时更为方便。

Super-wear-resistant diamond glaze, ceramic tile and preparation method thereof

The invention relates to the field of building ceramic materials, and specifically discloses a soft light super-wear-resistant diamond glaze, a ceramic tile and a preparation method thereof. The main raw materials of the super-wear-resistant diamond glaze in parts by weight are as follows: 30-70 parts of a frit, 20-55 parts of an aggregate, 0.1-6 parts of an additive, 30-50 parts of water; the frit contains Al 2 O 3 ≤10%, Na 2 O+K 2 O≤3%. Correspondingly, the present invention also discloses a super-wear-resistant diamond glazed ceramic tile and a preparation method thereof. The diamond glaze disclosed in present invention has the characteristics of excellent transparency, good wear resistance and stain resistance and almost has no air bubbles.

Pyrido ring compound, preparation method therefor, intermediate, composition, and application

Disclosed are a pyrido ring compound, a preparation method therefor, an intermediate, a composition, and an application. The pyrido ring compound has a structure as shown in formula I, has JAK inhibitory activity, and can be used for treating JAK-related diseases, such as autoimmune diseases or cancers.

Systems and methods for indoor positioning

The present disclosure is related to systems and methods for indoor positioning. The method includes obtaining a first location of a subject at a first time point. The method also includes determining one or more motion parameters associated with the subject at least based on one or more sensors carried by the subject. The method further includes determining, based on the first location of the subject and the one or more motion parameters associated with the subject, a second location of the subject at a second time point after the first time point. The method still further includes adjusting, at least based on surroundings information associated with the subject at the second time point, the second location of the subject to determine a target location of the subject.

Compound targeting prostate specific membrane antigen, and preparation method and application thereof

The present disclosure provides a compound targeting prostate specific membrane antigen (PSMA), wherein the compound has the following structure shown in Formula (I); R1 is a compound structure targeting prostate specific membrane antigen; L1 is -(X)n-(CH2)m-(Y)q-, X and Y are independently selected from lysine, glutamic acid or a derivative structure containing lysine and glutamic acid, n is an integer from 0 to 12, m is an integer from 0 to 60, q is an integer from 0 to 12, and each CH2 may be individually substituted with —O—, —NH(CO)—, or —(CO)—NH—; L2 is -(CH2)p-, p is an integer from 0 to 30, and each CH2 may be individually substituted with —O—, —NH(CO)—, or —(CO)—NH—; and R2 is a nuclide chelating group. The present disclosure also provides a radiolabeled complex based on the structure of the compound. The compound and the radiolabeled complex have appropriate blood circulation time, high uptake in tumors and long retention time, and are suitable for nuclide therapy and imaging of tumors with high expression of PSMA.

Indoor navigation

In accordance with one implementation of the present disclosure, a new approach for identifying a stepping event is proposed in indoor navigation. Generally speaking, a first signal fragment and a second signal fragment respectively within a first time window and a second time window in an acceleration signal stream are obtained, here the acceleration signal stream is collected from an acceleration sensor associated with a moving user, the first time window being shorter than the second time window. A first amplitude feature and a second amplitude feature are determined for the first and second time windows based on the first and second signal fragments, respectively. A stepping event of the user is identified based on a deviation between the first and second amplitude features. With the above implementation, the stepping event is identified in a more effective an accurate way, and thus accuracy of the indoor navigation is increased.

Compound targeting prostate specific membrane antigen, and preparation method therefor and use thereof

The present disclosure provides a compound targeting prostate specific membrane antigen (PSMA), wherein the compound has the following structure shown in Formula (I); R 1 is a compound structure targeting prostate specific membrane antigen; L 1 is -(X) n -(CH 2 ) m -(Y) q -, X and Y are independently selected from lysine, glutamic acid or a derivative structure containing lysine and glutamic acid, n is an integer from 0 to 12, m is an integer from 0 to 60, q is an integer from 0 to 12, and each CH 2 may be individually substituted with -O-, -NH(CO)-, or -(CO)-NH-; L 2 is -(CH 2 ) p -, p is an integer from 0 to 30, and each CH 2 may be individually substituted with -O-, -NH(CO)-, or -(CO)-NH-; and R 2 is a nuclide chelating group. The present disclosure also provides a radiolabeled complex based on the structure of the compound. The compound and the radiolabeled complex have appropriate blood circulation time, high uptake in tumors and long retention time, and are suitable for nuclide therapy and imaging of tumors with high expression of PSMA.

Truncated Evans Blue modified fibroblast activation protein inhibitor, preparation method and application thereof

The present disclosure provides a truncated Evans Blue modified fibroblast activation protein inhibitor compound. The compound is formed by connecting truncated Evans Blue, a fibroblast activation protein inhibitor and a nuclide chelating group by means of connecting groups L1, L2, L3, L4 and X. The compound has the following structure shown in Formula (I), where R1 is a fibroblast activation protein inhibitor; L1 is lysine, glutamic acid, or a derivative structure thereof; L2 is —(CH2)n—, n is an integer from 0 to 30, and each —CH2— may be individually substituted or unsubstituted with —O—, —NH—, —(CO)—, —NH(CO)—, or —(CO)—NH—; L3 is —(CH2)m—, m is an integer from 0 to 30, and each —CH2— may be individually substituted or unsubstituted with —O— or —(CO)—; L4 is —(CH2)p—, p is an integer from 0 to 30, and each —CH2— may be individually substituted or unsubstituted with —O—, —NH—, —(CO)—, —NH(CO)—, or —(CO)—NH—; X is selected from N, C, O, S, orand R2 is a nuclide chelating group. The present disclosure also provides a radiolabeled complex based on the structure of the compound. The compound and the radiolabeled complex have the characteristics of significantly prolonging the half-life in blood circulation, improving the uptake and enrichment in tumors and prolonging the retention time, and are suitable for nuclide therapy and imaging of tumors with high expression of FAP.

Dual-targeting compound, and preparation method therefor and use thereof

Dual-targeting compound, and preparation method therefor and use thereof

一种用于燃料电池加工的放置平台

本实用新型涉及一种用于燃料电池加工的放置平台，包括基板，设置在基板上的用于放置产品部件的平板，设置在基板上的用于限制平板移动的多个止动件，以及设置在基板上端面的多个用于锁紧平板的限位紧固件；所述基板上端面其中一侧边缘设置有用于阻挡或放行光信号的第一光信号判断组件，在基板上端面相对另一侧边缘的对应位置处设置有与第一光信号判断组件对应的第二光信号判断组件。本实用新型通过止动件和限位紧固件限定了平板在水平方向和竖直方向的位置，避免平板位移，同时基板底部设置了定位件，便于定位到预定工位，加工设备可直接对平板上的产品部件进行加工，无需另外设置转移产品部件的工序，自动化程度高，且工作效率高。

Dual-targeting compound and preparation method and application thereof

The present disclosure relates to the fields of nuclear medicine and molecular imaging, and specifically relates to a dual-targeting compound and a preparation method and application thereof. The dual-targeting compound has the following structure shown in Formula (I). The present disclosure also provides a dual-targeting compound capable of being labeled with a radionuclide, and the compound has the following structure shown in Formula (I-1) or Formula (I-2). The dual-targeting compound of the present disclosure has high affinity for an FAP target and an integrin αvβ3 target, can realize synergistic targeting of the FAP target and the integrin αvβ3 target in tumors, and has high uptake in tumors and long retention time in tumors. The present disclosure also provides a radionuclide labeled dual-targeting compound based on the dual-targeting compound, and a preparation method and application thereof in preparation of medicines for diagnosis or therapy of diseases characterized by overexpression of FAP and/or integrin αvβ3.

Dual-targeting compound and preparation method and application thereof

The present disclosure relates to the fields of nuclear medicine and molecular imaging, and specifically relates to a dual-targeting compound and a preparation method and application thereof. The dual-targeting compound has the following structure shown in Formula (I). The present disclosure also provides a dual-targeting compound capable of being labeled with a radionuclide, and the compound has the following structure shown in Formula (I-1) or Formula (1-2). The dual-targeting compound of the present disclosure has high affinity for an FAP target and an integrin αvβ3 target, can realize synergistic targeting of the FAP target and the integrin αvβ3 target in tumors, and has high uptake in tumors and long retention time in tumors. The present disclosure also provides a radionuclide labeled dual-targeting compound based on the dual-targeting compound, and a preparation method and application thereof in preparation of medicines for diagnosis or therapy of diseases characterized by overexpression of FAP and/or integrin αvβ3.

DUAL-TARGETING COMPOUND AGAINST FIBROBLAST ACTIVATION PROTEIN FAP AND INTEGRIN αVβ3, AND PREPARATION METHOD THEREFOR AND USE THEREOF

Provided is a dual-targeting compound against FAP and integrin αvβ3. The targeting compound and a radionuclide marker thereof can synergistically target a FAP target and an integrin αvβ3 target in tumors, such that the number of and the utilization efficiency of effective receptors in tumors can be increased. Also provided are a radionuclide marker on the basis of the targeting compound, and a preparation method therefor and use thereof in the diagnosis or treatment of a disease characterized by excessive expression of fibroblast activation protein (FAP) and/or integrin αvβ3.

Dual-targeting compound for fibroblast activation protein (fap) and integrin .alpha.v.beta.3, preparation method therefor and use thereof

The present invention relates to a dual-targeting compound capable of targeting fibroblast activation protein (FAP) and integrin avI33. The targeting compound of the present invention and a radionuclide marker thereof can synergistically target an FAP target and an integrin avp, target in tumors, such that the number and utilization efficiency of effective receptors in tumors can be improved. The present invention further provides a radionuclide marker based on the targeting compound, a preparation method therefor and use thereof in diagnosis or treatment of diseases characterized by overexpression of fibroblast activation protein (FAP) and/or integrin 433.

Compound targeting prostate specific membrane antigen, and preparation method and application thereof

The present disclosure provides a compound targeting prostate specific membrane antigen (PSMA), wherein the compound has the following structure shown in Formula (I); R 1 is a compound structure targeting prostate specific membrane antigen; L 1 is —(X) n —(CH 2 ) m —(Y) q —, X and Y are independently selected from lysine, glutamic acid or a derivative structure containing lysine and glutamic acid, n is an integer from 0 to 12, m is an integer from 0 to 60, q is an integer from 0 to 12, and each CH 2 may be individually substituted with —O—, —NH(CO)—, or —(CO)—NH—; L 2 is —(CH 2 ) p —, p is an integer from 0 to 30, and each CH 2 may be individually substituted with —O—, —NH(CO)—, or —(CO)—NH—; and R 2 is a nuclide chelating group. The present disclosure also provides a radiolabeled complex based on the structure of the compound. The compound and the radiolabeled complex have appropriate blood circulation time, high uptake in tumors and long retention time, and are suitable for nuclide therapy and imaging of tumors with high expression of PSMA.

Compound targeting prostate specific membrane antigen, and preparation method therefor and use thereof

The present disclosure provides a compound targeting prostate specific membrane antigen (PSMA), wherein the compound has the following structure shown in Formula (I); R1 is a compound structure targeting prostate specific membrane antigen; L1 is -(X)n-(CH2)m-(Y)q-, X and Y are independently selected from lysine, glutamic acid or a derivative structure containing lysine and glutamic acid, n is an integer from 0 to 12, m is an integer from 0 to 60, q is an integer from 0 to 12, and each CH2 may be individually substituted with -O-, -NH(CO)-, or -(CO)-NH-; L2 is -(CH2)p-, p is an integer from 0 to 30, and each CH2 may be individually substituted with -O-, -NH(CO)-, or -(CO)-NH-; and R2 is a nuclide chelating group. The present disclosure also provides a radiolabeled complex based on the structure of the compound. The compound and the radiolabeled complex have appropriate blood circulation time, high uptake in tumors and long retention time, and are suitable for nuclide therapy and imaging of tumors with high expression of PSMA.

Compound targeting prostate specific membrane antigen, and preparation method and application thereof

Provided is a compound targeting a prostate specific membrane antigen (PSMA). The compound has a structure as represented by formula (I), wherein R1 is a compound targeting a prostate specific membrane antigen; L1 is -(X)n-(CH 2)m-(Y)q-, wherein X and Y are independently selected from lysine, glutamic acid or a derivative structure containing lysine and glutamic acid, n is an integer from 0 to 12, m is an integer from 0 to 60, q is an integer from 0 to 12, and each CH2 can be individually replaced with -O-, -NH(CO)- or -(CO)-NH-; L2 is -(CH2)p-, wherein p is an integer from 0 to 30, each CH2 can be individually replaced with -O-, -NH(CO)-, or -(CO)-NH-; and R2 is a nuclide chelating group. Further provided is a radioactive marker on the basis of the structure of the compound. The compound and the radioactive marker have a suitable blood circulation time and relatively high tumor assimilation and retention time, and are suitable for use in nuclide treatment and imaging of tumors with high expression of PSMA.

Dual-targeting compound, and preparation method therefor and use thereof

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Truncated evans blue modified fibroblast activation protein inhibitor, preparation method and application thereof

The present disclosure provides a truncated Evans Blue modified fibroblast activation protein inhibitor compound, the molecular structure of the compound having any one of the following structures shown in Formula (II-1) to Formula (II-8): Ng H 0 3 HNYN = Hq 54"0 NH2 0 0 c) ilk OH N = 410, rit,..,../..,y1,...Ni--,\N....7,/ 0 * 14/ 0. __ ilk -141' HN \--/ 'S.. 0 ."*--k Hd -0 ofirN N 'A %%SNIPPET%%,0 0)\'µ:NLe. N 3 1 OH HO-e 0 Formula (II-3), 0 NQk HN -.)-- NJ 0 --HS 0 IS' 0 NH2 0 0 / OH P- * N ilkai isiN trillis=N=Thr N \--./ 0 HN 0 Hd "0 ow-N- IN ,=\,0 OH 0 t.....,N HO-re 0 Formula (11-4), 2 Date Recue/Date Received 2023-12-12 Nc, H j_..N.A1 HN. HO 0 --F F 0 ...z_\ (r \ OH N 0-- ,----\ ,...,_/ Inv N Hd "0 0 t---i OFrN N0 N 3 ' OH 0 HO-? o Formula (II-5), NC, H 0 >ILI N FIN¨)\- \...+F 0-HO0 F . ¨ NH2 0 0 0 / = ,, ,-,, ....37 Nc..1....11,i1,,,....õ....õ,i,11õrr-õõ00õ....Ø0,,,õ0õ...õ...ANT--AN. _./..._,,, \ / N ,--1 OWN N'%%SNIPPET%% I\,,k' ) ' 0 N 1..._,N OH H04 0 Formula (II-6), 3 Date Recue/Date Recall/ad 2023-12-12 pic, H 0 µ... 0 F F ¨. WA 0 NH2 0 0 i 01 OH " Nr-'\N,j-jo * N jAL\ . ¨ \ it, .-1L..õ----TA try r...../ NV IP /- HN 0 `S.g.1 HO' \'' 0 /--1 OirN N,%%SNIPPET%% s.,;'N i g OH HO--e 0 Formula (II-7), or Nc, H HN--)0 ..... "..N 0 F F HO 0 -.... `S") NH2 0 0 c:o 410 OH l ,p1 ii. ik, orks".yiLi--\ ..../...1 ip N/ 0. iiii. N' HN \--)1 S%0 " Hd ' 0 P--1 OHrN rs(%%SNIPPET%% OH HO4 0 Formula (II-8). 4 Date Recue/Date Received 2023-12-12

Cleaner and Cleaning Device

A cleaner and a cleaning device are disclosed. The cleaner includes: a guide rail; a lifting lever, one end of which is disposed on the guide rail and capable of moving along the guide rail; a feed pipe, disposed inside the lifting lever; and a nozzle, disposed on an end portion of one end of the lifting lever away from the guide rail and communicated with the feed pipe. The lifting lever is configured to allow the nozzle to be away from or close to the guide rail.

Indoor navigation

In accordance with one implementation of the present disclosure, a new approach for determining a movement orientation of a user is proposed in indoor navigation. Generally speaking, a device orientation of a terminal device is obtained based on at least one signal stream collected from the terminal device carried by a moving user. A deviation degree is determined based on the at least one signal stream, here the deviation degree represents a deviation between a movement orientation of the user and an actual device orientation of the terminal device. The movement orientation is determined based on the device orientation in accordance with a determination that the deviation degree is below a threshold degree. With the above implementation, the movement orientation of the user is determined in a more effective an accurate way, and thus accuracy of the indoor navigation is increased.

一种水表检定管路对接装置

本实用新型公开了一种水表检定管路对接装置，包括水表检测器本体，水表检测器本体的右侧固定连接有进水管，进水管的右侧表面插入水表出水管的内部，水表出水管的内壁设置有锥形卡接橡胶管，进水管右侧的端头插入锥形卡接橡胶管的内部，锥形卡接橡胶管的表面固定套接有带动套筒。该水表检定管路对接装置，通过螺杆的转动，利用螺纹位移原理，使其螺杆缓慢的插入定位套筒内部，并带动进水管插入锥形卡接橡胶管的内部，并通过螺纹推进杆的旋转，向左侧拉动带动套筒，使其进水管与锥形卡接橡胶管利用体积位移差，牢牢的相互挤压接触，从而达到了快速简便的使其水表检定仪的连接管与水表出水管相互对接，提高了操作效率。

Cleaner and cleaning device

A cleaner and a cleaning device are disclosed. The cleaner includes: a guide rail; a lifting lever, one end of which is disposed on the guide rail and capable of moving along the guide rail; a feed pipe, disposed inside the lifting lever; and a nozzle, disposed on an end portion of one end of the lifting lever away from the guide rail and communicated with the feed pipe. The lifting lever is configured to allow the nozzle to be away from or close to the guide rail.

Compound targeting prostate specific membrane antigen, and preparation method and application thereof

Provided is a compound targeting a prostate specific membrane antigen (PSMA). The compound has a structure as represented by formula (I), wherein R1 is a compound targeting a prostate specific membrane antigen; L1 is -(X)n-(CH 2)m-(Y)q-, wherein X and Y are independently selected from lysine, glutamic acid or a derivative structure containing lysine and glutamic acid, n is an integer from 0 to 12, m is an integer from 0 to 60, q is an integer from 0 to 12, and each CH2 can be individually replaced with -O-, -NH(CO)- or -(CO)-NH-; L2 is -(CH2)p-, wherein p is an integer from 0 to 30, each CH2 can be individually replaced with -O-, -NH(CO)-, or -(CO)-NH-; and R2 is a nuclide chelating group. Further provided is a radioactive marker on the basis of the structure of the compound. The compound and the radioactive marker have a suitable blood circulation time and relatively high tumor assimilation and retention time, and are suitable for use in nuclide treatment and imaging of tumors with high expression of PSMA.

Pressurization device for cryogenic container, and cryogenic container

The present disclosure provides a pressurizing device for a cryogenic vessel and a cryogenic vessel. The cryogenic vessel includes a shell, an inner vessel and a thermal insulation layer arranged on a periphery of the inner vessel, a gap is provided between the shell and the inner vessel to form a sandwich space in a vacuum environment. The pressurizing device includes a fixing member, a protruding member, a heat conducting member, an operating member and a connecting member. The fixing member is fixedly connected to the shell and is spaced apart from the inner vessel; the protruding member is fixedly connected to the inner vessel and protrudes the thermal insulation layer; the protruding member is spaced apart from the fixing member; the protruding part is made of a low temperature resistant material; a heat conducting member is rotatably connected to fixing member; the heat conducting member is made of a low temperature resistant material; an operating member is arranged outside the shell and rotatable relative to shell; and one end of the connecting member is fixedly connected to the operating member, another end of the connecting member extends into the sandwich space to be fixedly connected to the heat conducting member, and the connecting member is capable of driving the heat conducting member to rotate to abut against the protruding member or rotate to be spaced apart from the protruding member in response to rotation of the operating member.

Pyrido ring compound, preparation method therefor, intermediate, composition, and application

The present invention discloses a pyridocyclic compound as well as its preparation method, intermediates, compositions and applications. The pyridocyclic compound has the structure shown in Formula I below, which exhibits JAK kinase inhibitory activity and can be used to treat diseases associated with JAK kinase, such as autoimmune diseases or cancer.

3-D imaging apparatus and method for dynamically and finely detecting small underwater objects

Albumin binding compounds and methods of use thereof

The disclosure concerns albumin binding compounds comprising Evan Blue derivatives are conjugated to immune- stimulatory oligodeoxynucleotide CpG and their methods of use thereof. The albumin binding compounds relate to a compound of formula (I) or (II), or a pharmaceutically acceptable salt, solvate, stereoisomer or prodrug thereof. The albumin binding compounds may be used to treat an immunodeficiency disorder.

Myocardial multiparametric ultrasound imaging method and system

A myocardial multi-parametric ultrasound imaging method includes: emitting alternately a plurality of ascending and descending large-acoustic domain diverging waves to myocardial tissue to obtain raw channel data; performing beamforming to obtain a plurality of radio frequency data; performing myocardial edge detection and identification according to the radio frequency data to generate myocardial mask; and estimating a large-displacement estimation term, a small-displacement estimation term, and a regularization term to construct a myocardial displacement estimation cost function; and obtaining the myocardial displacement parameters according to the cost function; and performing strain estimation. A myocardial multi-parametric ultrasound imaging system is further provided.

一种汽车散热器的安装结构

本实用新型提供了一种汽车散热器的安装结构，属于汽车技术领域。它解决了维修成本高的技术问题。一种汽车散热器的安装结构，汽车散热器包括散热器芯片和设于散热器芯片两侧的散热器水室壳体，所述安装结构包括设置在散热器水室壳体上的安装支架，所述安装支架包括连接块和用于与汽车发动机固定连接的安装体，所述连接块和安装体通过应力释放体连接，所述散热器水室壳体上还设有连接体，所述连接体与连接块可拆卸连接。本汽车散热器的安装结构，当应力释放件断裂后，只需重新更换新的安装支架，即可完成维修，避免了更换其他部件的麻烦，从而降低了维修成本。

Truncated evans blue modified fibroblast activation protein inhibitor, preparation method and application thereof

The present disclosure provides a truncated Evans Blue modified fibroblast activation protein inhibitor compound. The compound is formed by connecting truncated Evans Blue, a fibroblast activation protein inhibitor and a nuclide chelating group by means of connecting groups L1, L2, L3, L4 and X. The compound has the following structure shown in Formula (I), where R1 is a fibroblast activation protein inhibitor; L1 is lysine, glutamic acid, or a derivative structure thereof; L2 is —(CH2)n—, n is an integer from 0 to 30, and each —CH2— may be individually substituted or unsubstituted with —O—, —NH—, —(CO)—, —NH(CO)—, or —(CO)—NH—; L3 is —(CH2)m—, m is an integer from 0 to 30, and each —CH2— may be individually substituted or unsubstituted with —O— or —(CO)—; L4 is —(CH2)p—, p is an integer from 0 to 30, and each —CH2— may be individually substituted or unsubstituted with —O—, —NH—, —(CO)—, —NH(CO)—, or —(CO)—NH—; X is selected from N, C, O, S, orand R2 is a nuclide chelating group. The present disclosure also provides a radiolabeled complex based on the structure of the compound. The compound and the radiolabeled complex have the characteristics of significantly prolonging the half-life in blood circulation, improving the uptake and enrichment in tumors and prolonging the retention time, and are suitable for nuclide therapy and imaging of tumors with high expression of FAP.

Truncated evans blue modified fibroblast activation protein inhibitor, preparation method therefor, and application thereof

A truncated Evans blue modified fibroblast activation protein inhibitor compound, formed by linking truncated Evans blue, a fibroblast activation protein inhibitor, and a nuclide chelating group together by linking groups L1, L2, L3, L4, and X, and having a structure as shown in formula (I). The compound and a radioactive label of the structure of the compound have a significantly prolonged blood circulation half-life and enhanced tumor uptake, enrichment and retention time, and are suitable for nuclide therapy and imaging of tumors having high FAP expression.

Truncated evans blue modified fibroblast activation protein inhibitor, preparation method and application thereof

The present disclosure provides a truncated Evans Blue modified fibroblast activation protein inhibitor compound, the molecular structure of the compound having any one of the following structures shown in Formula (II-1) to Formula (II-8): Ng H HNYN = Hq 54"0 NH2 0 0 c) ilk OH N = 410, rit,..,../..,y1,...Ni--,\N....7,/ 0 * 0. __ ilk -141' HN \--/ 'S.. 0 ."*--k Hd -0 ofirN N 'A %%SNIPPET%%,0 0)\'µ:NLe. N 3 1 OH HO-e Formula (II-3), 0 NQk HN -.)-- NJ --IS' 0 NH2 0 0 / OH P- * N ilkai isiN trillis=N=Thr N \--./ Hd "0 ow-N- IN ,=\,0 OH 0 t.....,N HO-re Formula (11-4), Date Recue/Date Received 2023-12-12 Nc, H j_..N.A1 HN. HO --F F ...z_\ (r \ OH N 0-- ,----\ ,...,_/ Inv N Hd "0 0 t---i OFrN N0 N 3 ' OH HO-? o Formula (II-5), NC, H 0 >ILI N FIN¨)\- \...+F F . ¨ / = ,, ,-,, ....37 Nc..1....11,i1,,,....õ....õ,i,11õrr-õõ00õ....Ø0,,,õ0õ...õ...ANT--AN. _./..._,,, \ / N ,--1 OWN N'%%SNIPPET%% I\,,k' ) ' 0 N 1..._,N OH Formula (II-6), Date Recue/Date Recall/ad 2023-12-12 pic, H µ... F F ¨. NH2 0 0 i " Nr-'\N,j-jo * N jAL\ . ¨ \ it, .-1L..õ----TA try r...../ `S.g.1 HO' \'' 0 OirN N,%%SNIPPET%% s.,;'N i g OH HO--e Formula (II-7), or Nc, H HN--)0 ..... "..N F HO 0 -.... `S") NH2 0 0 c:o 410 OH l ,p1 ii. ik, orks".yiLi--\ ..../...1 ip N/ 0. iiii. N' HN \--)1 S%0 " Hd ' 0 OHrN rs(%%SNIPPET%% OH Formula (II-8). Date Recue/Date Received 2023-12-12

Truncated evans blue modified fibroblast activation protein inhibitor, preparation method therefor, and application thereof

A truncated Evans blue modified fibroblast activation protein inhibitor compound, formed by linking truncated Evans blue, a fibroblast activation protein inhibitor, and a nuclide chelating group together by linking groups L

Truncated evans blue modified fibroblast activation protein inhibitor, preparation method therefor, and application thereof

Dual-targeting compound and preparation method and application thereof

The present disclosure relates to the fields of nuclear medicine and molecular imaging, and specifically relates to a dual-targeting compound and a preparation method and application thereof. The dual-targeting compound has the following structure shown in Formula (I). The present disclosure also provides a dual-targeting compound capable of being labeled with a radionuclide, and the compound has the following structure shown in Formula (I-1) or Formula (I-2). The dual-targeting compound of the present disclosure has high affinity for an FAP target and an integrin αvβ3 target, can realize synergistic targeting of the FAP target and the integrin αvβ3 target in tumors, and has high uptake in tumors and long retention time in tumors. The present disclosure also provides a radionuclide labeled dual-targeting compound based on the dual-targeting compound, and a preparation method and application thereof in preparation of medicines for diagnosis or therapy of diseases characterized by overexpression of FAP and/or integrin αvβ3.

Dual-targeting compound and preparation method and application thereof

A dual-targeting compound, and a preparation method therefor and the use thereof, which relate to the fields of nuclear medicine and molecular imaging. A radionuclide-labeled dual-targeting compound, having a structure as shown in formula (I-1) or formula (I-2). The dual-targeting compound has a high affinity to both an FAP target and an integrin ?v?3 target, can synergistically target the FAP target and the integrin ?v?3 target in tumors, and exhibits a high uptake and a long retention time in tumors. Provided are a radionuclide-labeled dual-targeting compound based on the dual-targeting compound, and a preparation method therefor and the use thereof in the preparation of a drug for diagnosing and treating diseases characterized by overexpression of FAP and/or integrin ?v?3.

Charging apparatus, charging system and charging control method

A charging apparatus, a charging system, and a charging control method are provided. The charging apparatus includes: a transforming element and output interfaces, and further includes a charging control element and a maximum output power control element. The charging control element is connected with the maximum output power control element, and the charging control element identifies a target charging mode selected by a user and sends the target charging mode to the maximum output power control element. The maximum output power control element is connected with the transforming element, and the maximum output power control element determines a target maximum output power corresponding to the target charging mode according to a pre-saved correspondence relationship between each charging mode and each maximum output power. The transforming element is connected with the output interface, and the transforming element obtains a target output power according to the target maximum output power and charges a charging device through the output interfaces by using the target output power.

Indoor navigation

A new approach for identifying a stepping event is proposed in indoor navigation. The approach involves the following steps: obtaining a first signal fragment and a second signal fragment respectively within a first time window and a second time window in an acceleration signal stream, wherein the acceleration signal stream is collected from an acceleration sensor associated with a moving user, the first time window being shorter than the second time window (210); determining a first amplitude feature and a second amplitude feature for the first and second time windows based on the first and second signal fragments, respectively (220); identifying a stepping event of the user based on a deviation between the first and second amplitude features (230). With the above approach, the stepping event is identified in a more effective an accurate way, and thus accuracy of the indoor navigation is increased.

Pressurizing device of cryogenic vessel and cryogenic vessel

The present disclosure provides a pressurizing device for a cryogenic vessel and a cryogenic vessel. The cryogenic vessel includes a shell, an inner vessel and a thermal insulation layer 5 arranged on a periphery of the inner vessel, a gap is provided between the shell and the inner vessel to form a sandwich space in a vacuum environment. The pressurizing device includes a fixing member, a protruding member, a heat conducting member, an operating member and a connecting member. The fixing member is fixedly connected to the shell and is spaced apart from the inner vessel; the protruding member is fixedly connected to the inner vessel and 10 protrudes the thermal insulation layer; the protruding member is spaced apart from the fixing member; the protruding part is made of a low temperature resistant material; a heat conducting member is rotatably connected to fixing member; the heat conducting member is made of a low temperature resistant material; an operating member is arranged outside the shell and rotatable relative to shell; and one end of the connecting member is fixedly 15 connected to the operating member, another end of the connecting member extends into the sandwich space to be fixedly connected to the heat conducting member, and the connecting member is capable of driving the heat conducting member to rotate to abut against the protruding member or rotate to be spaced apart from the protruding member in response to rotation of the operating member. 20

Dual-targeting compound for fibroblast activation protein (fap) and integrin αvβ3, preparation method therefor and use thereof

The present invention relates to a dual-targeting compound capable of targeting fibroblast activation protein (FAP) and integrin αvβ3. The targeting compound of the present invention and a radionuclide marker thereof can synergistically target an FAP target and an integrin αvβ3 target in tumors, such that the number and utilization efficiency of effective receptors in tumors can be improved. The present invention further provides a radionuclide marker based on the targeting compound, a preparation method therefor and use thereof in diagnosis or treatment of diseases characterized by overexpression of fibroblast activation protein (FAP) and/or integrin αvβ3.

Rgd dimer compound, and preparation method therefor and use thereof

An RGD dimer compound, and a preparation method therefor and a use thereof, relating to the field of nuclear medicine and molecular imaging. The structure of the RGD dimer compound is represented by formula (I) or formula (I-1). Provided are a radionuclide-labeled compound taking the RGD dimer compound represented by formula (I-1) as a ligand, a pharmaceutical composition comprising or composed of the RGD dimer compound, and a kit comprising or composed of the RGD dimer compound or the pharmaceutical composition. Provided is a use of the RGD dimer compound or the pharmaceutical composition in diagnosis or treatment of diseases characterized by over-expression of integrin α

Synthesis method of hexafluorophosphate

The disclosure discloses a synthesis method of hexafluorophosphate, belonging to the technical field of chemical synthesis. The synthesis method of hexafluorophosphate is characterized by comprising the following steps: reacting a phosphorus pentahalide inert solvent solution obtained by dissolving phosphorus pentahalide into an inert solvent with an alkali metal fluoride salt hydrogen fluoride solution obtained by dissolving an alkali metal halide salt into anhydrous hydrogen fluoride in a reactor in a ratio to obtain a mixture consisting of hexafluorophosphate, hydrogen fluoride, the inert solvent and hydrogen halide, performing gas-liquid separation to remove a hydrogen halide gas, then heating and evaporating to recover hydrogen fluoride, finally performing solid-liquid separation to recover the inert solvent, and then drying the solid to obtain hexafluorophosphate. The synthesis method of the disclosure has the advantages of simple operation, good safety, high reaction yield, excellent product quality and the like, and can achieve continuous production.

一种快速测试树脂吸水和保水性能的装置

本实用新型涉及一种快速测试树脂吸水和保水性能装置，属于化学实验装置领域。该装置包括吸水系统、液体收集系统、加压系统和数据采集及信息反馈系统。便于快速、直观地反应高吸水树脂的动态吸水速率和溶胀平衡时的吸水倍率以及加压状态下的保水率。该装置操作过程简便，测量精确度高，工作效率高，且能实时监控。

Truncated evans blue modified fibroblast activation protein inhibitor, preparation method and application thereof

The present disclosure provides a truncated Evans Blue modified fibroblast activation protein inhibitor compound. The compound is formed by connecting truncated Evans Blue, a fibroblast activation protein inhibitor and a nuclide chelating group by means of connecting groups L1, L2, L3, L4 and X. The compound has the following structure shown in Formula (I), where R1 is a fibroblast activation protein inhibitor; L1 is lysine, glutamic acid, or a derivative structure thereof; L2 is —(CH2)n—, n is an integer from 0 to 30, and each —CH2— may be individually substituted or unsubstituted with —O—, —NH—, —(CO)—, —NH(CO)—, or —(CO)—NH—; L3 is —(CH2)m—, m is an integer from 0 to 30, and each —CH2— may be individually substituted or unsubstituted with —O— or —(CO)—; L4 is —(CH2)p—, p is an integer from 0 to 30, and each —CH2— may be individually substituted or unsubstituted with —O—, —NH—, —(CO)—, —NH(CO)—, or —(CO)—NH—; X is selected from N, C, O, S, orand R2 is a nuclide chelating group. The present disclosure also provides a radiolabeled complex based on the structure of the compound. The compound and the radiolabeled complex have the characteristics of significantly prolonging the half-life in blood circulation, improving the uptake and enrichment in tumors and prolonging the retention time, and are suitable for nuclide therapy and imaging of tumors with high expression of FAP.

Compound targeting prostate specific membrane antigen, and preparation method therefor and use thereof

Provided is a compound targeting a prostate specific membrane antigen (PSMA). The compound has a structure as represented by formula (I), wherein R

Systems and methods for new road determination

The present disclosure relates to systems and methods for identifying one or more target roads. The systems may perform the methods to obtain a heat map associated with a plurality of driving track points along a plurality of roads in a target region, wherein the plurality of roads includes one or more target roads and one or more reference roads; obtain a road network map associated with the one or more reference roads in the target region; produce an intermediate heat map by: eliminating pixels in the heat map corresponding to the one or more reference roads in the road network map, eliminating background pixels corresponding to background of the heat map, and thinning the heat map; and determine start coordinate information and end coordinate information associated with the one or more target roads based on the intermediate heat map according to a linear transformation.

Seed coating for improving germination rate and germination potential of soybeans and prepared coated seeds

The present invention relates to the technical field of soybean coating. The present invention provides a seed coating for improving a germination rate and germination potential of soybeans and prepared coated seeds. The seed coating is prepared from the following raw materials in parts by weight: 3-8 parts of chitosan, 0.5-1.5 parts of sodium carboxymethyl cellulose, 3-9 parts of tween-80, 2-4 parts of urea, 1.5-2.5 parts of calcium superphosphate, 1.5-2.5 parts of potassium chloride, 0.2-0.4 part of starch grafted acrylate, 45-55 parts of a plant extract and 0.03-0.07 part of gibberellins. The seed coating disclosed by the present invention is different from existing seed coatings of cotton, corn and other crops, is specially designed for soybeans, and is reasonable in formula and excellent in use effect. While a conventional coating effect is ensured, a germination speed and the germination rate of soybeans can also be improved.

Pressurizing device of cryogenic vessel and cryogenic vessel

cryogenic vessel includes a shell, an inner vessel and a thermal insulation layer arranged on a periphery of the inner vessel, a gap is provided between the shell and the inner vessel to form a sandwich space in a vacuum environment. The pressurizing device includes a fixing member, a protruding member, a heat conducting member, an operating member and a connecting member.

Method and device for calculating optimal leveling stiffness of pile top displacement regulators in composite foundation

A method and device for calculating an optimal leveling stiffness of pile top displacement regulators in a composite foundation are disclosed. The method includes: determining basic parameters for calculating the optimal leveling stiffness of the pile top displacement regulators in the composite foundation; building an optimal mathematical model for calculating the optimal leveling stiffness of the pile top displacement regulators in the composite foundation, and solving the optimal mathematical model for calculating the optimal leveling stiffness of the pile top displacement regulators in the composite foundation to obtain the optimal leveling stiffness. The method and device maximize the bearing capacity of the composite foundation by taking an optimal value of the leveling stiffness of the pile top displacement regulators. The method and device realize accurate quantitative analysis for composite foundation design by adjusting the value of the leveling stiffness of the pile top displacement regulators.

Rgd dimer compound, and preparation method therefor and use thereof

An RGD dimer compound, and a preparation method therefor and a use thereof, relating to the field of nuclear medicine and molecular imaging. The structure of the RGD dimer compound is represented by formula (I) or formula (I-1). Provided are a radionuclide-labeled compound taking the RGD dimer compound represented by formula (I-1) as a ligand, a pharmaceutical composition comprising or composed of the RGD dimer compound, and a kit comprising or composed of the RGD dimer compound or the pharmaceutical composition. Provided is a use of the RGD dimer compound or the pharmaceutical composition in diagnosis or treatment of diseases characterized by over-expression of integrin α

Shock wave electrode assembly, balloon catheter apparatus, and medical device

The present disclosure provides a shock wave electrode assembly, comprising an inner electrode, an outer electrode, and an insulating layer located between the inner electrode and the outer electrode. A surface of the inner electrode is provided with a raised pin. The insulating layer is provided with a first hole, and the outer electrode is provided with a second hole. A diameter of the second hole is greater than that of the first hole. The raised pin, the first hole, and the second hole are arranged coaxially. The raised pin extends through the first hole and into the second hole. The present disclosure also provides a balloon catheter apparatus and a medical device. The present disclosure improves a threshold pulse voltage of an electrode, so that high-intensity shock waves can be efficiently generated, thereby fracturing a calcified lesion in a blood vessel and effectively improving treatment efficacy for an occlusive lesion.

Pressurization device for cryogenic container, and cryogenic container

Compound targeting sstr2, preparation method therefor and use thereof

The present invention provides a compound targeting SSTR2, a preparation method therefor and a use thereof, and relates to the fields of nuclear medicine and molecular imaging. The compound targeting SSTR2 has a structure shown in a formula (I) below, and a compound targeting SSTR2 and capable of being labeled with a radionuclide has a structure shown in a formula (II) below. The present invention further provides a radionuclide labeled compound targeting SSTR2 that is obtained by labeling the compound shown in the formula (II) with a radionuclide. The present invention further provides methods for preparing the compounds shown in the formula (I) and the formula (II) and a use of the compounds in preparation of drugs for diagnosis and/or treatment of diseases characterized by over-expression of SSTR2.

Compounds targeting sstr2, preparation method therefor, and use thereof

The present invention relates to the fields of nuclear medicine and molecular imaging. Provided are compounds targeting SSTR2, a preparation method therefor, and the use thereof. The structure of one of the compounds targeting SSTR2 is represented by following formula (I), and the structure of the compound targeting SSTR2 and capable of being labelled with a radionuclide is represented by following formula (II). Also provided in the present invention is a radionuclide-labeled compound targeting SSTR2, said compound being obtained by labeling the compound of formula (II) with a radionuclide. Further provided in the present invention are a preparation method for the compounds represented by formula (I) and formula (II), and the use of the compounds in preparation of drugs used for diagnosing and/or treating diseases characterized by over-expression of SSTR2.

深部飽和柔らかな尾鉱原状試料凍結膨張試験システム及び方法

【課題】深部飽和柔らかな尾鉱原状試料凍結膨張試験システム及び方法を提供する。【解決手段】冷凍ボックス、サンプラー、負荷システム及び観測システムを備える。冷凍ボックスは、ボックス本体、冷却アセンブリ及び温度監視アセンブリを備え、冷却アセンブリは、ボックス本体を冷却し、温度監視アセンブリは、ボックス本体の中の温度変化を監視する。負荷システムは、恒圧アセンブリ、加圧シリンダー及び加圧材を備え、２つの加圧シリンダーは、それぞれサンプラーの両端に対称的に固定して取り付けられている。加圧材及び加圧シリンダーは、摺動して協働する。加圧材及び加圧シリンダーは、密閉空間を形成する。恒圧アセンブリは、前記密閉空間の中の気体を恒定の圧力に維持するように制御するために用いられる。【選択図】図１

Multi-use mobile robot and obstacle surmounting method thereof

Anti-factor xii (fxii) nanobody or antigen-binding fragment thereof, and use thereof

A nanobody or an antigen-binding fragment thereof against a specific region of a factor XII (FXII) is provided. The nanobody or the antigen-binding fragment thereof binds to FXII through a binding epitope for FXII to block the activation of FXII, and the binding epitope for FXII includes a conformational epitope. A neutralizing antibody for FXII screened by phage display is provided, and it has been found that the neutralizing antibody can treat thrombosis, myocardial ischemia-reperfusion injury (IRI), and vasculitis in mouse arterial thrombosis, rat extracorporeal membrane oxygenation (ECMO), mouse IRI, and vasculitis models.

Handheld cleaner