鱼饵（螺旋桨折页）

建筑模型（教堂建筑）

Ethylene vinyl acetate polyester waterproof board

... 本实用新型属于一种乙烯醋酸乙烯聚酯防水板，包括乙烯醋酸乙烯聚酯层（1）和金属铝网增强层（2），其特征在于在金属铝网增强层（2）下面粘结有锌烯防渗层（3），在锌烯防渗层（3）下面粘结有铝箔纸防渗层（4）。该实用新型防水防渗性能好，使用寿命长，使用期为50年以上，抗穿孔性好，机械强度高，不易刺破，耐腐蚀，特别能耐多种酸、碱的化学腐蚀，尤其是焊接性能好，埋置地下防霉菌，安全环保。 ...

Gridding satellite-borne GNSS-R sea surface wind speed inversion method

The invention relates to a gridding satellite-borne GNSS-R sea surface wind speed inversion method. The method comprises the following steps: firstly, carrying out space-time matching on an actually measured wind speed and satellite-borne GNSS-R observation data, carrying out gridding processing on a matched data set according to a geographic difference of the satellite-borne GNSS-R observation data, dividing a sea surface into different grids, and establishing an independent empirical model of the satellite-borne GNSS-R observation data and the actually measured wind speed in each grid; according to the method provided by the invention, the geographic difference of the satellite-borne GNSS-R observation data in the warp direction and the weft direction can be considered at the same time, the established empirical model of the satellite-borne GNSS-R observation data and the sea surface wind speed is more concise and accurate, and the inversion precision of the sea surface wind speed of ...

ACCESS CONTROL METHOD AND DEVICE

The disclosure is about an access control method and device, belonging to the field of communications. The method comprises: receiving an access request sent by a digital living network alliance (DLNA) client; obtaining a media access control (MAC) address of the DLNA client; detecting whether the MAC address exists in a preset blacklist; rejecting the access of the DLNA client if the MAC address exists in the preset blacklist. The disclosure solves the problem that, in the related art, a DLNA client can casually initiate an access request to a DLNA server with the presence of malicious accesses and safety loopholes; the disclosure efficiently excludes access requests which are sent by some DLNA clients via illegal MAC addresses or MAC addresses which fail to be granted for access by setting a preset blacklist, so that the DLNA clients cannot casually initiate an access request to the DLNA server, which fully avoid some malicious accesses and safety loopholes.

WEBPAGE ACCESS METHOD AND APPARATUS, AND ROUTER

The present application relates to a webpage access method and apparatus, and a router. The method comprises: receiving a webpage access request sent by a terminal, the webpage access request comprising a target URL (101); searching for saved local URLs according to the target URL (102); if the target URL is found in the local URLs, acquiring a target webpage resource corresponding to the target URL from saved local webpage resources (103); and sending the target webpage resource to the terminal (104). In the present application, a router can directly return locally-saved webpage resources to a terminal, so that the time of transmitting a target webpage resource from a public network in which a server is located to a local area network in which the router is located is reduced, the speed of acquiring the target webpage resource by the terminal is increased, and a terminal user can rapidly browse a target webpage.

Method for selecting sling for hoisting assembly of shield tunneling machine

The invention discloses a method for selecting a sling for hoisting and assembling of a shield tunneling machine, and aims to solve the problems that the sling for hoisting of the shield tunneling machine is high in model selection difficulty, and great potential safety hazards are caused by improper selection. According to the method, the safety risk points of the sling used in the hoisting and assembling process of the shield tunneling machine and factors needing to be considered for sling selection can be effectively identified, and the dynamic load coefficient and the non-uniform load coefficient are correspondingly counted during selection of the main crane and the auxiliary crane; the model selection of the main and auxiliary cranes meets the non-uniform distribution of load and additional load when the main and auxiliary cranes are matched to lift the cutterhead, the lifting safety can be ensured on the premise of reasonable model selection, and the cranes are prevented from overturning ...

Preparation method of oak distillate

The invention discloses a preparation method of an oak distillate, which comprises the following steps: by taking single oak chips or mixed oak chips as raw materials, extracting by using an ethanol aqueous solution, filtering and collecting to obtain an extracting solution I, adding purified water for extracting, filtering and collecting to obtain an extracting solution II, combining and mixing the extracting solution I and the extracting solution II, distilling and collecting the distillate I by using a normal-pressure distiller, and drying to obtain the oak distillate. And carrying out reduced pressure distillation on the residual liquid, collecting distillate II, and combining the distillate I and the distillate II to obtain the oak distillate. The preparation process is simple, the efficiency is high, the obtained oak distillate is colorless and transparent, the oak fragrance is typical and pleasant, and industrial production and product application are facilitated.

Deformable wing design method based on compliant mechanism

The invention provides a deformable wing design method based on a compliant mechanism. A deformable wing comprises a skin, a four-bar mechanism, a main beam, a driving beam and the compliant mechanism. The main beam and the driving beam are arranged in the chordwise direction of the wing, the driving beam and the main beam are matched through a linear sliding groove in the chordwise direction of the wing, and the driving beam can be driven by an external linear driving motor to move along the sliding groove and can drive the main beam to move; the deformation of the whole wing is realized by combining a four-bar mechanism and a compliant mechanism, the middle part of the wing is deformed by driving the four-bar mechanism through a main beam, and the front edge part is deformed by driving the compliant mechanism through a driving beam. The wing deformation implementation mode for driving the front edge of the wing to be pointed from the arc shape is obtained through optimization design, ...

Cloud access acceleration method, device and system, electronic equipment and storage medium

The invention provides a cloud access acceleration method, device and system, electronic equipment and a storage medium, and aims to realize cross-region cloud access acceleration. The method is applied to a first access point, and comprises the following steps: establishing a connection with a client, and determining a location of the client; judging whether the location of the location is out of the range of the location of the first access point; under the condition that the attribution position is out of the attribution range of the first access point, the attribution position and account information of the client are sent to an SDWAN controller to request the SDWAN controller to determine a second access point and synchronize the account information of the client to the second access point, and the second access point is an access point with the attribution range containing the attribution position; and receiving the public network IP address of the second access point sent by the ...

Application of sulfonamide derivative

The invention discloses an application of a sulfonamide derivative, and particularly relates to an application of the sulfonamide derivative in preparation of a medicine for treating FXR related diseases. The structure of the sulfonamide derivative is shown in the specification. The FXR related diseases comprise cholestatic liver disease, drug-induced liver injury, non-alcoholic fatty liver, alcoholic fatty liver, cholelithiasis, cholecystitis, inflammatory bowel disease, diabetes, obesity, hyperlipidemia, atherosclerosis and other related diseases.

Micro-ring resonant cavity time delay bandwidth product maximization method and system

The invention discloses a micro-ring resonant cavity time delay bandwidth product maximization method and system, and the method comprises the steps: obtaining a micro-ring resonant cavity model, and obtaining the system parameters of a micro-ring resonant cavity according to the micro-ring resonant cavity model; the system parameters of the micro-ring resonant cavity are input into a DRRs-A3C algorithm model, and the DRRs-A3C algorithm model is operated; and according to the DRRs-A3C algorithm model, obtaining a maximum time delay bandwidth product of the micro-ring resonant cavity and an optimization parameter value corresponding to the maximum time delay bandwidth product. According to the method, the micro-ring resonant cavity model serves as a simulation environment of a DRRs-A3C algorithm, the parameters of the micro-ring resonant cavity are optimized to obtain the maximum time delay bandwidth product and the corresponding coupling parameter value, and the maximum time delay bandwidth ...

吹风机

Tail shield assembling method of shield tunneling machine

The invention discloses a tail shield splicing method of a shield tunneling machine, and aims to solve the problem that the construction quality of the shield tunneling machine is affected due to poor mounting precision of each part block of the tail shield. The assembling method mainly comprises the following steps: (1) measuring the radius of each block of the shield tail; (2) bottom block installation; (3) mounting blocks on the left side; (4) block mounting on the right side; (5) top block installation; (6) rechecking and adjusting the radius tolerance of the tail of the tail shield; (7) arranging a process support at the welding seam position; (8) welding each block of the shield tail; (9) measuring and correcting the diameter of the shell in the welding process and after welding; (10) welding a circumferential weld between the tail shield and the middle shield; (11) rechecking the radius of the tail shield shell; and (12) welding a shield tail brush. By means of the method, the splicing ...

Mountaineering shoe or protective shoe detection device

... 本发明公开了种登山鞋或劳保鞋检测装置，包括基座，基座上设有动力机构，执行机构，阻尼机构，动力机构提供转轮旋转的动力，阻尼机构用于增大鞋子摩擦的阻力；执行机构在转轮带动下，通过第二连接杆和第连接杆牵引脚模在阻尼机构上往复滑动，加速鞋底的磨损和鞋底鞋面粘接处的形变。本发明主要针对鞋底的耐磨度和鞋面与鞋底拼接处的抗形变性能，模拟人的脚部动作，对鞋重复多次施加外部作用力，短时间内完成对鞋子的老化磨损试验，同时提供可量化的测试数据和对比指标，用于对鞋子的质量作出客观的评估。 ...

Method, device and equipment for evaluating health state of hydroelectric generating set and storage medium

The invention discloses a hydroelectric generating set health state assessment method and device, equipment and a storage medium. The method comprises the following steps: acquiring current operation data of a hydroelectric generating set; performing independent component analysis (ICA) processing on the current operation data to obtain a current health value and a current independent filtering correlation (IFC) feature value of the hydroelectric generating set; obtaining a healthy sample characteristic value and an IFC state characteristic value of the hydroelectric generating set; and based on the current health value, the current IFC characteristic value, the health sample characteristic value and the IFC state characteristic value, evaluating the health state of the hydroelectric generating set. According to the technical scheme of the invention, the method achieves the separation of the data representing the health state in the operation data of the hydroelectric generating set from ...

Server log storage method and device, storage medium and electronic device

The invention discloses a server log storage method and device, a storage medium and an electronic device. The server log storage method comprises the steps of obtaining a target log currently generated on a server; log attributes of the target log are detected, and the log attributes are used for indicating the influence degree of the target fault event on server operation; under the condition that the log attribute falls into the target log attribute, the target log is stored in the second storage space, the log attribute falls into the target log attribute and is used for indicating that the influence degree is larger than the target influence degree, and the storage resources corresponding to the second storage space and the first storage space are mutually independent. The problem that the loss rate of key logs is high in the storage process of server logs in the prior art is solved.

A reverse osmosis and resin in combination with apparatus for extracting fresh water organic matter

... 本发明提供了种反渗透与树脂联用提取淡水有机质的设备，包括原水供给单元、预处理单元、反渗透浓缩单元、酸碱度调节单元、成品液提取单元、水箱和总控制系统；其中，所述成品液提取单元包括吸附富集装置、淋洗装置和加药装置，所述吸附富集装置的入口与水箱连接，淋洗装置的出口、加药装置的出口与吸附富集装置的入口连接，吸附富集装置的底部设有液体排出开关；成品液提取单元中吸附富集装置对浓水中淡水有机质进行吸附、纯化，有机溶剂去除后即得高纯淡水有机质淡水有机质固体粉末。本发明提供的种反渗透与树脂联用提取淡水有机质的设备结构简单、操作方便，且产量高。 ...

SOFC MICROTUBE STACK

An SOFC microtube stack, comprising an outer thermal insulation shell (1), a battery assembly, an inner thermal insulation shell (3), a fuel distribution assembly, a cathode air heat exchanger (9), an electronic pulse igniter (10), a first thermal insulation module (6), and a second thermal insulation module (8). The second thermal insulation module (8) cooperates with the inner thermal insulation shell (3) to form a combustion chamber (31); a cathode working chamber (32) is formed between the first thermal insulation module (6) and the second thermal insulation module (8). The battery assembly is located in the cathode working chamber (32), and the cathode working chamber (32) is provided with a first air hole (33). The inner thermal insulation shell (3) cooperates with the outer thermal insulation shell (1) to form a first annular heat-insulating air flow passage (12) and a second annular heat-insulating air flow passage (13). The outer thermal insulation shell (1) is provided with an ...

NETWORKING CONTROL METHOD AND DEVICE BASED ON ROUTER

Disclosed are a networking control method and device based on a router. After an HTTP request sent by a terminal is obtained, it is determined according to identification information of the terminal comprised in the HTTP request whether the terminal visits a webpage through a router for the first time; and if yes, an HTTP response message comprising the URL address of a specified webpage is returned to the terminal. Therefore, the terminal jumps to the specified webpage corresponding to the URL address according to the HTTP response message, and specified display information can be displayed on the specified webpage for a user, so that diversified information can be provided for the user.

Iron-based polyanionic sodium ion battery positive electrode material and preparation method thereof

The invention discloses an iron-based polyanionic sodium-ion battery positive electrode material as well as a preparation method and application thereof. Specifically, the iron-based polyanion type sodium ion battery positive electrode material is a carbon-coated and modified Na4Fe3 (PO4) 2 (P2O7) sodium ion battery positive electrode material. In the preparation method provided by the invention, firstly, a polyanion material is prepared by a solvent combustion method (namely step S1), then, a carbon source (such as expanded graphite) is subjected to ball milling with the polyanion material to finish carbon coating, the design comprises two calcination processes, organic acid in the polyanion material is carbonized for the first time to perform primary trace carbon coating on the polyanion material, and then the polyanion material is subjected to secondary carbon coating on the carbon source; and the second calcination is a sintering process for the expanded graphite and the polyanion material ...

Y CHROMOSOME STR LOCUS FLUORESCENT LABELING MULTIPLEX AMPLIFICATION KIT HAVING ENHANCED IDENTIFICATION CAPABILITY AND USE THEREOF

Disclosed is a Y chromosome STR locus fluorescent labeling multiplex amplification kit having an enhanced identification capability, and using same to detect DNA genes can amplify and analyze the following 27 STR loci: DYS456, DYS458, DYS437, DYS439, DYS392, DYS385a/b, DYS393, DYS391, DYS390, DYS635, DYS438, DYS389I, DYS19, GATA-H4, DYS389II, DYS448, DYS576, DYS570, DYS481, DYF387S1, DYS627, DYS460, DYS449, DYS533 and DYS518.

Data processing method and system based on BIM (Building Information Modeling) in nuclear power construction

The invention relates to a data processing method and system based on a BIM model in nuclear power construction. The method comprises the following steps: establishing a nuclear power construction BIM model; dividing the nuclear power construction BIM model into a plurality of target construction units; and for any target construction unit, responding to a click operation of the client, searching prompt information related to the target construction unit, and sending the prompt information to the client, so that the client displays the prompt information related to the target construction unit. According to the method, the three-dimensional model of the nuclear power construction BIM is established in advance, related personnel click any target construction unit on the client, and the related prompt information of the target construction unit is popped up and displayed, and the setting of the prompt information helps the related personnel know various information of the target construction ...

Straightening roll production process for stretch bending straightener

The invention relates to a straightening roll production process for a stretch-bending straightener, which is mainly used for processing roll products. The production process comprises roughly machining the outer diameter of the straightening roll; carrying out surface quenching on the straightening roll; positioning and processing shaft heads at two ends and a central hole of the straightening roll, drilling and tapping, milling a key groove, and boring bearing holes at two ends; roughly grinding the straightening roll; milling a spline of the straightening roll; the straightening roll is subjected to aging treatment; carrying out semi-finish grinding on the roller surface of the straightening roller; the roller surface of the straightening roller is subjected to ultra-precision polishing; and after the straightening roll is qualified, cleaning, rust-proof packaging and warehousing are carried out. According to the method, the blank machining allowance can be greatly reduced, the number ...

METHOD AND SYSTEM FOR IMPROVING PRECISION OF ELEMENT MEASUREMENT BASED ON LASER-INDUCED BREAKDOWN SPECTROSCOPY

The present invention provides a method and a system for improving the precision of element measurement based on laser-induced breakdown spectroscopy. The method comprises: pressing a sample to be measured with a tabletting press; making a hole on or immediately above a surface of the pressed sample to be measured; forming a layer of aerosol immediately above the surface of the sample to be measured, with the components thereof completely identical to those of the sample to be measured; testing the sample to be measured by using a laser-induced breakdown spectroscopic system, so as to obtain the intensities of the characteristic spectral lines of a target element in the sample to be measured; and determining the concentration of the target element in the sample to be measured according to a calibration curve of the target element in a preset calibration sample. With the present invention, the plasma formed by laser ablation can be more uniform and more in conformity with local thermal equilibrium ...

DYNAMIC POLYMER HAVING HYBRIDIZED CROSS-LINKED NETWORK AND USE THEREOF

A dynamic polymer having hybridized cross-linked network, including common covalent cross-linking and dynamic covalent cross-linking, the dynamic covalent cross-linking being achieved by means of organic boric acid silyl ester bonds. This kind of dynamic polymer combines the respective advantages of dynamic covalent organic boric acid silyl ester bonds and ordinary covalent bonds, and a polymer having abundant structures and diverse performances can be prepared by regulating the structure of reactants. Dynamic covalent cross-linking in the dynamic polymer has strong dynamic reversibility, so that the polymer can exhibit performances such as responsiveness to stimulus, self-repair ability and the like, while the ordinary covalent cross-linking imparts the polymer a certain level of strength and stability. Further, the dynamic property of the organic boric acid silyl ester bonds can result in good energy dissipation and energy absorption effects, and increases the toughness, damping properties ...

METHOD AND APPARATUS FOR SEARCHING FOR FILES ON STORAGE DEVICE, AND ROUTER

A method and apparatus for searching for files on a storage device and a router, which relate to the technical field of the Internet. The method comprises: establishing an index for specified files on a storage device according to categories of files (S101), the categories of the files being determined according to file types or identifiers of devices that upload the files, and the storage device being a storage device configured on a router; and providing a category view of the specified files to user equipments (S102), the category view comprising category identifiers of the files. A category view of specified files is provided to user equipments according to types of the files or identifiers of devices that upload the files, so that when different user equipments check the files on a storage device of the router, classification-based search can be performed more flexibly, which helps a user search for the files, and therefore operations are easy, convenient and quick, and the user experience ...

Erasure-based floating point type data lossless compression and decompression method

The invention particularly relates to an erasing-based floating point type data lossless compression method, which comprises the following steps of: acquiring floating point type data to be compressed, and calculating decimal decimal digits; sequentially decomposing binary floating point type data to be compressed into sign bits, index bits and mantissa bits; determining an erasing position of a mantissa digit according to the decimal decimal digit and the exponential digit data; erasing data behind the erasing position in the mantissa, namely setting the data to be zero, and taking the data after mantissa erasing as a trailing prefix number; then performing XOR operation on the trailing prefix number to obtain corresponding XOR compressed data; and storing the XOR compressed data and the decimal decimal digits of the to-be-compressed floating point type data as lossless compressed data of the to-be-compressed floating point type data. According to the method, the multiple bits of mantissas ...

LIMITING ASSEMBLY, SLIDING CONNECTION MECHANISM AND FOLDABLE ELECTRONIC DEVICE

The present application provides a limiting assembly, a sliding connection mechanism and a foldable electronic device. The electronic device comprises two rotatably connected shells; a flexible screen assembly covering the two shells, the edges of the flexible screen assembly being respectively bonded to the two shells; and a limiting assembly fixedly connected to the flexible screen assembly, slidably connected to the two shells, and configured to limit the flexible screen assembly and the shell to displace in a first direction, the first direction being perpendicular to the plane where the shell or the flexible screen assembly is located. By designing the sliding connection mechanism, the present application achieves free sliding by means of layered movement with the flexible screen. Moreover, the sliding block mechanism is limited in the Z-axis direction by means of the structure of a sliding groove, so as to limit the displacement of the flexible screen assembly in the bonding direction ...

METHOD AND DEVICE FOR ROUTER ACCESS CONTROL AND ROUTER

The disclosure relates to a method and device for router access control and a router, the method comprising: obtaining a target website address and target post content; generating a post request on the basis of the target post content; transmitting to the target website address the post request; obtaining the return message returned by the target website address on the basis of the post request; determining whether the return message is a preset return message; if the return message is not the preset return message, continuing to transmit to the target website address the post request until the return message being the preset return message. With only once parameter (including the target website address and the target post request) reception, the method can automatically accomplish the transmission process of the subsequent post requests many times until the preset return message is returned, which can avoid the problem of the repeated input or operation of the user after a request fails ...

Method for enabling corollary equipment to go down step after shield tunneling

The invention discloses a step descending method for shield rear corollary equipment. The technical problems that existing rear corollary equipment descends from the edge of a step and the formal wheel set installation operation area is limited when the existing rear corollary equipment descends the step are solved. The method comprises the following steps: (1) pouring an arc-shaped guide table on a sinking section; (2) a winch fixing piece is pre-buried; (3) pre-embedded steel plates are arranged; (4) fixing the slide rail; (5) arranging corresponding pulley blocks; (6) a middle box culvert is installed below the connecting bridge, and side rails are installed on the two sides of the middle box culvert; (7) before the trailer 2 # and the trailer 5 # go down the well, sliding shoes are arranged at the bottoms of the trailers; (8) a winch is started, and the trailer is dragged to translate along the sliding rail; trailer wheel pairs corresponding to the side rails are arranged at the positions ...

Preparation and application of difunctional ionic polymer material

The invention belongs to the technical field of synthesis of ionic polymer catalytic materials, discloses preparation and application of a difunctional ionic polymer material, and particularly relates to a'difunctional 'ionic polymer catalytic material prepared from an ionic liquid monomer, 1-vinyl imidazole and a divinyl benzene monomer through a polymerization reaction. According to the material, halogen anions with a CO2 activation function and tertiary nitrogen groups with a catalytic effect on ester exchange are immobilized on a polymer skeleton, and the ionic polymer catalytic material has the advantages of uniform distribution of active sites, relatively good stability, simple synthesis process, greenness, environmental protection and the like. The prepared difunctional ionic polymer catalytic material is applied to a two-step reaction for catalyzing synthesis of propylene carbonate from carbon dioxide and epoxypropane and synthesis of dimethyl carbonate from propylene carbonate ...

DEVICE AND METHOD FOR NUCLEIC ACID EXTRACTION AND PURIFICATION

The present invention relates a device and a method for nucleic acid extraction and purification. Essential reagents of nucleic acid extraction are respectively packaged, combined, and integrated in a closed system. Under an external force applied by a supporting apparatus, the nucleic acid extraction and purification and subsequent detection and analysis processes are carried out in sequence. The nucleic acid extraction process is simplified, extraction is sped up, and cross-contamination between samples is avoided at the same time. Also, the complex processing of nucleic acid extraction automatically performed from one step to the next is achieved.

METHOD AND APPARATUS FOR INFORMING CONNECTING CONDITION BETWEEN EXTERNAL DEVICE AND ROUTER

The present disclosure relates to a method and apparatus for informing the connecting condition between an external device and a router, so as to inform a plug-in of the router of the connecting condition between the external device and the router and thereby facilitate functioning of the plug-in. The method comprises: detecting whether a preset behavior happens, the preset behavior comprising that the external device is connected to the router, or the external device releases connection with the router; when the preset behavior happens, determining a registered port of the plug-in of the router among ports of a plug-in management center; and sending a first notification to the plug-in through the registered port of the plug-in, the first notification being used for indicating that the preset behavior happens. By means of the technical solution, the plug-in of the router can be informed of the connecting condition between the external device and the router, so that functioning of the plug-in ...

Pipeline device identification sign

... 本实用新型公开了种管路设备标识指示牌，包括指示牌本体，所述指示牌本体背面设有至少个向下开口的卡槽,所述卡槽中卡设有固定板，所述卡槽上设有槽口，所述固定板上设有凸起，所述凸起上设有固定胶条，所述固定胶条从所述槽口伸出。本实用新型利用固定板粘贴固定胶条，而指示牌本体固定于固定板上，固定胶条脱落只需更换固定板即可，固定板制造简单、价格便宜、更换容易，且具有固定胶条上的胶水不会污染到指示牌背面的优点。 ...

Post-welding working edge grinding method for side grinding steel rail thermit welding head

The invention discloses a post-welding working edge grinding method for a side-ground steel rail thermit welding head, which is characterized in that for two to-be-welded steel rails, a rail with relatively light side grinding degree or a new rail is a rail 1, a rail with relatively serious side grinding degree is a rail 2, and the rail 1 and the rail 2 are aligned by adopting a non-working edge alignment mode before thermit welding; the method comprises the following steps: I, measuring the arching amount of one side of a non-working edge of a rail 1; iI, determining the grinding length and depth of the working edge of the rail 1; iII, grinding a joint and a near-end steel rail of the rail 1; iV, polishing a steel rail at the far end of the rail 1; v, determining the grinding effect of the rail 1; and VI, polishing the working edge of the rail 2. In order to facilitate on-site first-aid repair, the invention further provides a side grinding steel rail working edge grinding quick look-up ...

Frequency conversion control method and device for hoisting equipment

The invention provides a frequency conversion control method and device for hoisting equipment, and relates to the technical field of hydraulic engineering hoisting equipment. The method comprises the following steps: acquiring a lifting hook direction control signal, bus voltage of a frequency converter at the current moment and the mass of a target object lifted by a lifting hook; acquiring a light-load acceleration instruction according to the mass of the target object, and acquiring a potentiometer analog signal instruction according to the bus voltage; acquiring lifting hook speed control signals with different frequencies according to the light-load speed increasing instruction and the potentiometer analog signal instruction; the lifting hook direction control signal and the lifting hook speed control signal are sent to a variable frequency motor through a frequency converter, and variable frequency control is conducted on the rotating direction and the rotating speed of a motor machine ...

LOW-TEMPERATURE PLASMA GENERATOR USED IN SURGERY AND KNIFE SYSTEM FORMED BY SAME

Disclosed are a low-temperature plasma generator (5) and a plasma knife system used in surgery. The low-temperature plasma generator (5) comprises: a CPU control module, a vibration module connected to the CPU control module, and an output module connected to the vibration module. The plasma knife system comprises: the low-temperature plasma generator (5), a normal saline input device and a plasma knife. The plasma knife realizes low-temperature incision, thereby overcoming the defects of excessively high temperature and heavy smoke when making incisions during surgery in the prior art.

DYNAMIC POLYMER WITH HYBRID CROSS-LINKED NETWORK AND APPLICATION THEREOF

A dynamic polymer having a hybrid cross-linked network structure, which comprises covalent cross-linking and supramolecular hydrogen bond cross-linking; the covalent cross-linking is achieved by bonding exchangeable covalent bonds, and the supramolecular hydrogen bond cross-linking is achieved by a side group of a polymer chain backbone and/or hydrogen-bond groups on a side chain and optionally hydrogen-bond groups on a chain backbone. The polymer combines supramolecular dynamic features and vitrimer dynamic covalent features. The supramolecular hydrogen bond affords the material stimulus responsiveness, energy dissipation and self-healing properties. The bonding exchangeable covalent bond provides the structural stability and mechanical strength of cross-linked polymer, and at the same time enables the polymer to have features such as self-healing, recyclability, reproducibility due to the dynamic reversibility thereof. The dynamic polymer having a hybrid cross-linked network structure ...

Database parameter synchronization method and device, equipment, medium and program product

The invention provides a database parameter synchronization method and device, equipment, a medium and a program product, which can be applied to the technical field of computers and finance. The database parameter synchronization method comprises the following steps: acquiring identification information corresponding to at least one target area in a plurality of databases; a reference database is configured, and the reference database comprises a template area; a parameter text of the template area is configured, and updating data is configured in the parameter text; on the basis of a database script, verifying updated data in the parameter text; and based on a batch file server, according to the update data and the identification information, adding the update data to a parameter table corresponding to each target area.

Method for monitoring electrical braking process of hydraulic generator

The invention provides a method and device for monitoring the electrical braking process of a hydro-generator, and relates to the technical field of hydro-generators, and the method comprises the steps: obtaining an initial braking program corresponding to the braking process of the hydro-generator, and obtaining an initial braking program corresponding to the braking process of the hydro-generator based on various corresponding braking fault conditions of the hydro-generator when the braking process of the hydro-generator fails; the method comprises the following steps: compiling a signal monitoring program segment of a brake fault condition of each hydraulic generator, compiling the signal monitoring program segment into an initial brake program to obtain a target brake program, and monitoring a real-time hydraulic generator brake flow based on the target brake program. Based on the target braking program composed of the signal monitoring program segments corresponding to the multiple ...

Cleaning device for wind turbine blades and using method of cleaning device

The invention discloses a cleaning device for a wind turbine blade and a using method of the cleaning device, and relates to the technical field of wind driven generator cleaning. The device comprises a sliding rail, a carrying vehicle, a swing guide rod, a control console, a mechanical arm, a sweeping dust collector and a lifting system. The sliding rail is perpendicular to the ground and installed on the leeside of a wind turbine tower, and a plurality of inclined grooves are distributed in the sliding rail at equal intervals. The carrying vehicle can slide in the sliding rails in a two-degree-of-freedom mode. The console is mounted on the carrier; the mechanical arm comprises a front arm, a middle arm and a rear arm, and two sweeping dust collectors are mounted on the rear arm of the mechanical arm; the console controls the mechanical arm to rotate and move, so that the sweeping dust collector moves to a designated position to clean dust; the lifting system controls the carrier to move ...

Preservation device for biopsy samples of thyroid and breast surgery

The invention discloses a nail and breast surgery biopsy sample preservation device, and relates to the technical field of sample preservation devices, the nail and breast surgery biopsy sample preservation device comprises a main body, a shell I and a separation membrane; the main body comprises a rear sealing end, a front sealing end and a storage pipe fixed between the rear sealing end and the front sealing end; the shell I is fixed between the rear sealing end and the front sealing end; the storage pipe is located in the first shell. The separation film is fixed between the rear sealing end and the front sealing end; a space defined by the outer wall of the storage pipe, the inner wall of the separation membrane, the rear sealing end and the front sealing end is an inactivation cavity; a space defined by the inner wall of the first shell, the outer wall of the separation film, the rear sealing end and the front sealing end is an air cavity. The inactivation cavity is filled with corrosive ...

Simulation method, simulation device and equipment for space decoration and medium

The invention provides a space decoration simulation method and device, equipment and a medium, and the method comprises the steps: receiving a scanning instruction for a target space, generating a space model of the target space according to the scanning data of the target space, and displaying a decoration model list in image display equipment; the scanning data is acquired by a user wearing the intelligent glasses in the target space through image acquisition equipment; according to a selection instruction for a decoration model list, rendering a first target decoration model selected by the selection instruction in a space model, and generating a decoration scheme of the target space; and outputting the decoration scheme of the target space, and displaying the decoration scheme in the picture display equipment.

DRUG INHIBITING VARIOUS VIRUS INFECTIONS AND COMBINED USE THEREOF

A compound of formula I, a hydrate or pharmaceutically acceptable salt thereof, and an application of the same in preparing a drug for inhibiting a Flaviviridae virus, an orthomyxovirus, a picornavirus, or a herpesvirus.

CIRCUIT BOARD ASSEMBLY AND TERMINAL

Provided in the present application are a circuit board assembly and a terminal. The circuit board assembly comprises a circuit board, an adapter, a first fastener and a second fastener; the circuit board comprises a middle area and a peripheral area that is provided surrounding the middle area; the adapter is located at one side of the circuit board and comprises a first fixing part and a second fixing part that is connected to the first fixing part; the first fixing part is located in the middle area, and the second fixing part is located in the peripheral area; the first fastening part is used to lock the first fixing part to a first structural member which is located at the side of the circuit board facing toward the adapter; and the second fastening part is used to lock the second fixing part and the circuit board to a second structural member which is located at the side of the circuit board facing away from the adapter. The utilization rate of the board surface space of the circuit ...

SUPPORT COMPONENT AND INTELLIGENT TERMINAL

Disclosed by the embodiments of the present application is a support component, which is used to bear a flexible screen and comprises: a first support part and a second support part; a rotary part disposed between the first support part and the second support part, the first support part being rotatably connected to the second support part by means of the rotary part; and a first sliding part and a second sliding part that are disposed on the two sides of the rotary part, the first sliding part comprising a first plane, the second sliding part comprising a second plane, and the first plane and the second plane being used to bear the flexible screen and being fixedly connected to same. When the first support part and/or the second support part rotate around the rotary part, the first sliding part slides in the direction away from or towards the rotary part relative to the first support part, and the second sliding part slides in the direction away from or towards the rotary part relative ...

Railway middle side beam bearing joint type chassis and railway wagon

The invention discloses a side beam bearing articulated chassis in a railway and a railway wagon, solves the problems of limited load and large dead weight of an articulated chassis in the prior art, and has the beneficial effects of reasonable structural arrangement, reduction of bending moment at a middle beam structure and guarantee of load of the chassis. According to the specific scheme, the side beam bearing joint type chassis in the railway comprises at least two chassis assemblies, every two adjacent chassis assemblies are connected through a joint connector, each chassis assembly comprises an end traction and bolster structure, the end traction and bolster structures are located at one ends of the chassis assemblies, and connecting beams are arranged at the other ends of the chassis assemblies; the connecting beam is connected with the two sides of the end traction and bolster structure through side beams respectively, the connecting beam is connected with the middle of the end ...

Formula of traditional Chinese medicine roasted kang and preparation method of traditional Chinese medicine roasted kang

The invention relates to the field of traditional Chinese medicine health preservation, in particular to a traditional Chinese medicine roasted kang formula and a preparation method thereof. The traditional Chinese medicine is prepared from, by weight, 1000 g of herba lycopodii, 500 g of radix saposhnikoviae, 100 g of rhizoma chuanxiong, 1500 g of folium artemisiae argyi, 250 g of rhizoma atractylodis macrocephalae, 250 g of pericarpium citri reticulatae, 100 g of fructus liquidambaris, 100 g of rhizoma dioscoreae nipponicae, 150 g of caulis sargentodoxae, 150 g of caulis spatholobi, 500 g of radix glycyrrhizae, 250 g of poria cocos, 100 g of frankincense, 100 g of myrrh, 500 g of flos carthami, 100 g of rhizoma curcumae, 250 g of herba speranskiae tuberculatae, 100 g of rhizoma seu radix notopterygii, 500 g of radix bupleuri and 1000 g of rhizoma zingiberis. And even joints are deformed, and early-stage prevention measures are lacked.

Dissimilar metal layered continuous composite material and preparation method thereof

The invention relates to a dissimilar metal layered continuous composite material and a preparation method thereof. Comprising the following steps: (1) preparing two or more metal thin strips; (2) lapping two or more than two dissimilar metal thin strips around a mandrel to form a tubular sample blank with a ring-in-ring composite layer; (3) restraining the cylindrical surfaces of the inner wall and the outer wall of the tubular sample blank by adopting a mandrel and a ring sleeve respectively, and applying axial loads to the two annular end surfaces of the blank by using a pressure ring, so that hydrostatic pressure of 1GPa-30GPa is generated in the tubular combined blank, and meanwhile, applying a driving torque to at least one of the mandrel and the ring sleeve to generate relative rotation, so as to obtain the tubular combined blank. The tubular sample is subjected to circumferential shearing deformation until the deformation reaches 30-50%, and the multi-layer metal composite pipe ...

Visual tracking method and device of target object, storage medium and equipment

The invention discloses a visual tracking method and device of a target object, a storage medium and equipment, and belongs to the technical field of image processing. The method comprises the following steps: extracting an image frame from a video stream shot by a pan-tilt camera; the target object in the image frame is tracked, a tracking result is obtained, and the tracking result is used for reflecting the position of the target object in the image frame; according to the tracking result, attitude parameters of the pan-tilt camera are generated, the attitude of the pan-tilt camera is adjusted according to the attitude parameters, so that the moving target object is always located at a preset position in a viewing frame of the pan-tilt camera, and the attitude parameters comprise yaw angle parameters; generating motion parameters of the chassis according to the attitude parameters and the tracking result, and controlling the chassis to move along with the target object according to the ...

ENCAPSULATION FILM FOR SOLAR CELL MODULE

Encapsulation film for a solar cell module, the film being obtained by incorporating a spherical transparent material having an average particle diameter of 0.1 μm to 50 μm during the film preparation process; the amount of spherical transparent material is 0.01 wt% to 10 wt% of the total amount of film; the spherical transparent material is at least one of: transparent polymer microspheres, spherical transparent glass beads, or spherical transparent ceramic beads; the transparent polymer microspheres are at least one of: PMMA microspheres, PC microspheres, PS microspheres, or PET microspheres. Incorporating spherical transparent material into the film, and utilizing the diffuse reflection function of the spherical transparent material to increase the number of times of refracting and reflecting of light in the film can improve luminous flux of the solar cell module, thus increasing power generation.

POSE ESTIMATION METHOD AND APPARATUS

Disclosed in the present invention are a pose estimation method and an apparatus. A specific embodiment of said method comprises: acquiring range image video from a range sensor location; selecting from among individual range image frames a first range image and a second range image, the first range image and the second range image sharing at least one pixel point indicating the same object; determining a first pixel point set of the first range image and a second pixel point set of the second range image, each pixel point of the first pixel point set corresponding one-to-one with a pixel point of the second pixel point set, two corresponding pixel points indicating the same object; for any pixel point of the first pixel point set, determining a pose change parameter on the basis of first two-dimensional coordinates of the pixel point in the first range image and a first range value of the corresponding pixel point in the second range image. The present embodiment decreases consumption ...

Command and dispatch terminal positioning method, system and device based on 5G + GPS and storage medium

The invention discloses a command and dispatch terminal positioning method, system and device based on 5G + GPS and a storage medium, and the method comprises the following steps: S1, obtaining a GPS signal intensity value C1, and judging whether the current GPS signal intensity value C1 is in a normal GPS signal intensity interval range; step S2, determining whether to carry out GPS positioning or switch to 5G positioning according to the acquired condition of the GPS signal strength value C1, and acquiring the condition of a 5G base station signal strength value G1 at the same time; and S3, according to the obtained condition of the 5G base station signal intensity value G1, judging whether the current 5G base station signal intensity value G1 is in a normal 5G signal intensity interval range or not, determining whether to carry out 5G positioning or switch to GPS positioning or not, and meanwhile, obtaining the condition of the GPS signal intensity value C1. According to the invention ...

DATA BACKUP METHOD AND APPARATUS, AND ELECTRONIC DEVICE

The disclosure relates to a data backup method and apparatus, and an electronic device. The method comprises: determining whether a newly-added file of a preset type locally exists; if the newly-added file of the preset type exists, calculating a check value corresponding to the newly-added file according to a preset algorithm; sending a query request comprising the check value to a connected router, so as to query whether a stored file with a same check value exists in the router; and if it is determined that a stored file with the same check value does not exist in the router according to a query result returned by the router, backing up the newly-added file to the router. By means of the technical scheme in the disclosure, when data of a terminal is backed up to a router, incremental backup can be implemented, which helps to improve the backup efficiency, reduce the size of transmitted data, and avoids bandwidth waste.

METHOD AND APPARATUS FOR CONTROLLING ROUTER PLUG-IN

The disclosure relates to a method and apparatus for controlling a router plug-in. The method comprises: receiving a plug-in state query request sent by a terminal; acquiring a running state of the plug-in according to the plug-in state query request; and sending the running state of the plug-in to the terminal, so that the terminal presents the running state of the plug-in to a user. By means of the technical scheme in the disclosure, a user queries and controls a router plug-in by means of a terminal.

PSEUDO BASE STATION MONITORING METHOD AND DEVICE, AND MOBILE TERMINAL

A pseudo base station monitoring method and device, and a mobile terminal. The method comprises: acquiring specified trigger event information, and determining whether the trigger event information meets a preset trigger condition; if so, acquiring a current resident network state mode; if the mode is a 2G mode, determining whether the mobile terminal is in a call state; if not, determining whether the currently connected base station is a pseudo base station; and if so, issuing early-warning information. In the present invention, real-time monitoring can be performed on a pseudo base station.

MOBILE PHONE PROJECTOR

A mobile phone projector comprises a shell (15), a circuit device (9), a power supply (3) and a projecting component (2), wherein the circuit device (9) and the power supply (3) are arranged inside the shell (15); the projecting component (2) is arranged at one end of the shell (15); and the shell (15) is provided with a surrounding retainer type socket (11) for placing a mobile phone. According to the technical scheme, the mobile phone is placed in the socket so that the mobile phone and the projector are engaged, and video signals in the mobile phone can be conveniently output and projected through the projector during work.

VR CONTROL METHOD AND APPARATUS, AND ELECTRONIC DEVICE

A VR control method and apparatus, and an electronic device. The method comprises: obtaining sensor data about a VR wearable device moving in a three-dimensional space in a set time period (101), the set time period being determined by a first time point when a first control instruction is received and a second time point when a second control instruction is received; determining a moving track of the VR wearable device in the set time period according to the sensor data in the set time period (102); and controlling a VR execution device to perform an operation corresponding to the moving track and display an operation visual effect corresponding to the moving track on a VR display device (103). In the method, a VR execution device can be operated by means of a detected body movement, so that it is avoided that different operations are implemented by manually triggering different buttons on a handle by a user, thereby ensuring that the VR execution device can perform what the user really ...

Multi -functional test tube rack

... 本实用新型公开了种多功能试管架，包括板架结构，所述板架结构的上表面边缘内侧开设有插槽，所述板架结构的下表面边缘内侧装设有凸出的插块结构，所述插槽的底面开设有试管插口，所述板架结构的侧边两端均通过螺纹结构旋接有紧固支座，所述紧固支座的外部连接有螺纹杆，所述螺纹杆的顶端旋接有螺纹套管。该方便携带便于组装的试管架设计的插槽式结构，与收纳式螺纹支撑杆相结合，在使用完毕后能够方便的将装置收起并互相插接为体，方便拆装操作，同时减少了支架的收纳体积，更加便于携带，加设的螺纹套管通过螺纹结构进行伸缩，能够根据要求调整架体的高度，满足各种尺寸试管装置的需求。 ...

DYNAMIC POLYMER WITH DYNAMIC CROSS-LINKED STRUCTURE

A dynamic polymer with a dynamic cross-linked structure. The dynamic polymer contains an organoborate silicon ester bond on a polymer chain backbone and/or on a crosslinking backbone between polymer chains of a cross-linked network. The organoborate silicon ester bond is necessary for the formation and maintenance of a dynamic polymer structure. The dynamic polymer provides a class of polymers with diverse structures and properties. Through modulation of a reactant structure, dynamic polymers with different properties can be prepared. In addition, the organoborate silicon ester bond in a polymer provides a strong dynamic reversibility, thereby realizing functional properties such as stimuli responsiveness, self-repair, recyclability, and the like. The existence of the organoborate silicon ester bond also enables energy absorption in the polymer and can toughen a polymer material under specific structural configurations. The dynamic polymer can be used to make a shock absorbing material, ...

Liftable folding telescopic ship-based emergency rescue trestle

A liftable folding telescopic ship-based emergency rescue trestle comprises a base, a first bridge section, a second bridge section, a third bridge section, a telescopic device, a folding device and an approach bridge. The bottom of the base is installed on a ship body, the base can be arranged in an up-down telescopic mode and can further rotate relative to the ship body, one end of the first bridge section is connected with the top of the base, the other end of the first bridge section extends in the direction away from the base in the horizontal direction, the second bridge section is connected with the first bridge section in a sleeved mode, and the telescopic device is arranged on the first bridge section. The telescopic device acts on the second bridge section so as to drive the second bridge section to slide in the direction close to or away from the base. The third bridge section is provided with a rotating end and a free end, the rotating end is rotationally connected with the ...

BGP-based message sending method and router

The invention discloses a message sending method based on a BGP (Border Gateway Protocol) and a router. The method comprises the following steps: dividing all BGP neighbors into different update-group update groups; and at least one sub-group node is correspondingly arranged under each update-group update group, the BGP neighbors are mounted under the corresponding sub-group nodes in a chain table form, and the BGP neighbors under each sub-group node use the same adj-out. According to the technical scheme, all the BGP neighbors are divided into different update-group update groups, one or more sub-group nodes exist in each update-group update group, and the sub-group nodes can store all the routing entries needing to be sent in adj-out; in the embodiment of the invention, the related information of the BGP neighbors can be mounted under the sub-group nodes in the form of the linked list, and the BGP neighbors under the linked list in all the sub-group nodes use the same adj-out, so that ...

Handheld physical and chemical steel bar rust removal device and use method

The invention discloses a handheld physical and chemical steel bar rust removal device and a use method, a steel bar clamp frame is arranged on one side of a functional area frame, the steel bar clamp frame comprises two movable opening clamps which are symmetrically arranged, and the movable opening clamps are hinged to the two ends of one side of the functional area frame through hinges; a movable steel wire brush used for derusting the reinforcing steel bars is slidably mounted on the inner side of the head of the movable opening clamp through a sliding groove, and an opening and closing mechanism used for controlling opening and closing of the movable opening clamp and the functional area frame is mounted between the movable opening clamp and the functional area frame. The back of the movable steel wire brush is connected with a reciprocating power device used for driving the movable steel wire brush to slide up and down along the sliding groove in a matched mode. A chemical rust removal ...

SOFC MICRO-TUBE SINGLE CELL COLLECTION AND COLLECTION METHOD THEREFOR

An SOFC micro-tube single cell set and a collection method therefor. The SOFC micro-tube single cell set comprises an SOFC micro-tube single cell component, mounting modules (10), and a conductive line (7); the two ends of the SOFC micro-tube single cell component are respectively provided on the two mounting modules (10), thereby forming an SOFC micro-tube single cell set component. The component has the advantages of high stack working efficiency and compact structure.

Shield tunneling machine cutterhead assembling method

The invention discloses a shield tunneling machine cutterhead splicing method, and aims to solve the problem that the precision is uncontrollable when a large shield tunneling machine cutterhead is spliced in blocks. The method comprises the following steps that (1) a cutterhead welding bearing platform is constructed; (2) supporting piers are arranged; (3) hoisting the center block and leveling the center block; (4) determining the center of a cutterhead; (5) hoisting the side blocks to the corresponding supporting piers and adjusting the heights of the side blocks; (6) adjusting the edge block cutter path radius; (7) connecting each sub-block and the central block of the cutterhead by corresponding bolts; (8) taking the center of each tool base as a reference wire plumb, re-checking the path radius of each tool, and re-checking the height and flatness of each hob; (9) rechecking the radius of the large circular ring in the edge block; (10) welding preparation; and (11) welding operation ...

Atomic force microscope and probe calibration method thereof

The invention provides an atomic force microscope and a probe calibration method thereof, relates to the technical field of precision measurement, and is used for solving the technical problem that an image obtained by the atomic force microscope is distorted. The probe calibration method comprises the following steps: setting a target position O on the surface of a sample to be detected; moving the tip of the probe to an initial position A, wherein the initial position A is located right above the target position O; controlling the tip of the probe to move from the initial position to the target position O; acquiring an actual position O'when the tip of the probe is close to the surface of the to-be-detected sample; obtaining a displacement deviation between the target position O and the actual position O ', wherein the displacement deviation comprises an offset and a deviation angle; and compensating the initial position A of the tip of the probe according to the displacement deviation ...

Rosewood seed skin moisturizer as well as preparation method and application thereof

The invention provides rosewood seed skin moisturizer as well as a preparation method and application thereof, and belongs to the technical field of skin care products. The preparation method comprises the following steps: under a sterile condition, adding a culture medium into a rosewood seed leaching solution, inoculating a schizophyllum commune seed solution and a ganoderma lucidum mycelium seed solution, fermenting until the logarithmic earlier stage, adding carbon quantum dots, fermenting until the logarithmic middle stage, performing intermittent ultraviolet irradiation until the fermentation is finished, and performing solid-liquid separation, thereby obtaining the rosewood seed extract. The obtained supernate is the rosewood seed skincare lotion. The rosewood seed skin moisturizer is mainly used for preparing skin care products, the obtained rosewood seed skin moisturizer can achieve the anti-wrinkle, anti-acne and whitening effects, rosewood seeds can be more effectively utilized ...

Online learning concentration identification analysis method based on AI technology

The invention relates to the technical field of concentration recognition, and particularly discloses an online learning concentration recognition analysis method based on an AI technology, which comprises the steps of student learning video acquisition, student instruction execution analysis, student eye concentration analysis, student lip action analysis, student learning concentration analysis and non-concentration student display. The concentration degree of the students during learning is analyzed according to the execution conditions, eye concentration and lip concentration conditions of the students on the target courseware instruction, the problem of limitation existing in the prior art is solved, intelligent analysis of the online target courseware learning concentration degree is achieved, and the learning efficiency is improved. The method effectively improves the concentration of the students in the online learning process, greatly reflects the enthusiasm and initiative of the ...

DATA SHARING METHOD AND DEVICE

The present disclosure relates to a data sharing method and device, belonging to the field of communications. The method comprises: monitoring and acquiring an event where a mobile storage device is inserted into a DLNA device; acquiring, by a DLNA serving end, a mounting path of the mobile storage device; and sharing, by the DLNA serving end, data in the mobile storage device according to the mounting path. The present disclosure solves the problem in the related art that a DLNA serving end cannot share the media content in a mobile storage device. Compared with the solution in the related art, the present disclosure realizes the effect of sharing data in the mobile storage device in a DLNA system by acquiring a mounting path of the mobile storage device by a DLNA serving end, and further scanning the data acquired in the mobile storage device according to the mounting path, and then sharing the data in the mobile storage device, thereby fully improving the sharing capability of the DLNA ...

RESOURCE ACQUISITION METHOD, DEVICE AND SYSTEM BASED ON GEOGRAPHIC LOCATION

Disclosed are a resource acquisition method, device and system based on geographic location, the method comprising: acquiring the geographic location information of a terminal, and acquiring a second geographic location information satisfying a preset condition according to the acquired geographic location information of the terminal; and acquiring resource access information related to the second geographic location information according to the second geographic location information. The technical solution of the present invention can acquire the resource access information near the geographic location of a terminal in real time, so that the terminal can remotely select and access proper resource access information according to the geographic location of the terminal, so as to solve the problem of low effectiveness in relevant descriptions in accessing desired resource information by a user, thus saving user time, and improving user experience.

VEHICLE PARKING BRAKE CONTROL SYSTEM, VEHICLE, AND TRAIN

A vehicle parking brake control system, a vehicle, and a train. The system comprises: a piston valve (1) and a parking brake cylinder (2). A brake pipe (3) of the vehicle is connected to a first gas port (11) of the piston valve (1); a second gas port (12) of the piston valve (1) is in communication with the atmosphere; the parking brake cylinder (2) is connected to a third gas port (13) of the piston valve (1). When the brake pipe (3) exhausts air, the second gas port (12) of the piston valve (1) is in communication with the third gas port (13) of the piston valve (1), so that the gas in the parking brake cylinder (2) sequentially passes through the third gas port (13) of the piston valve (1) and the second gas port (12) of the piston valve (1), and is discharged to the atmosphere. After exhausting, the parking brake cylinder (2) applies the pressure to wheels of the vehicle to generate the parking brake acting force on the vehicle. According to the parking brake control system, power ...

Full-automatic micro-drill grooving machine

The utility model relates to the technical field of PCB micro-drill cutter manufacturing equipment, in particular to a full-automatic micro-drill grooving machine which comprises a workbench, a chuck mechanism, a mechanical arm mechanism, a material carrying table, a camera detection mechanism and a grinding wheel cutting mechanism. The material carrying table is arranged on the workbench and used for bearing a material disc provided with a plurality of micro drills. The mechanical arm mechanism is arranged on the workbench and used for transferring the micro drill borne by the material carrying table to the chuck mechanism. The chuck mechanism is arranged on the workbench and used for clamping the micro drill transferred by the manipulator mechanism, and the chuck mechanism is also used for transferring the micro drill to the grinding wheel cutting mechanism; the camera detection mechanism is arranged on the workbench and is used for detecting the micro drill clamped by the chuck mechanism ...

Water turbine governor oil pump efficiency abnormity prediction method and device

The invention provides a water turbine governor oil pump efficiency abnormity prediction method and device, and relates to the technical field of oil pump fault detection, and the method comprises the steps: firstly obtaining the operation starting and ending time of a governor oil pump in each normal operation process and the rising oil level of a pressure oil tank in a shutdown state of a unit; then, according to the operation starting and ending time of the speed regulator oil pump in each normal operation process and the rising oil level of the pressure oil tank, the rising speed of the oil level of the pressure oil tank corresponding to each normal operation process is calculated, and then the normal operation slope range corresponding to the speed regulator oil pump is determined according to each rising speed; and finally, predicting the current abnormal condition of the water turbine governor oil pump based on the normal operation slope range and the current rising rate of the oil ...

Electronic device and packaging method thereof

The invention discloses an electronic device and a packaging method thereof.The packaging method comprises the steps that a lead frame and a piece type copper foil are provided, the lead frame is provided with a plurality of chips arranged in an array mode, and the piece type copper foil comprises a connecting frame, connecting ribs and a plurality of copper foils arranged in an array mode; each copper foil is connected to the connecting frame through at least one connecting rib, and the plurality of copper foils correspond to the plurality of chips in position; mounting the sheet-type copper foils on the lead frame, so that the plurality of copper foils are respectively combined with the plurality of chips and the lead frame; carrying out plastic packaging treatment on the lead frame; and performing rib cutting treatment on the lead frame, and simultaneously cutting off the connecting rib between each copper foil and the connecting frame. According to the electronic device and the packaging ...

METHOD AND APPARATUS FOR GENERATING MAP

A method for generating a map. The method comprises: acquiring current position information (302) of a target device (301) and a pre-generated electronic map (304), wherein the central position of the electronic map (304) is the position represented by position information of the target device (301) and acquired when or before the electronic map (304) is generated; and in response to the determination that a current position (302) represented by the current position information (302) meets pre-set adjustment conditions, using a new thread to execute the following adjustment steps to generate an adjusted electronic map (306): generating a new electronic map (305) with the current position (302) as the central position and adjusting the pre-generated electronic map (304) according to the new electronic map (305).

Prediction model training method and device, electronic equipment and storage medium

The invention provides a prediction model training method and apparatus, an electronic device and a storage medium. The method comprises the steps of obtaining a network index data set; performing integrated empirical mode decomposition processing on the network index data set based on the first sliding window to determine a training data set, a test data set and a true value of the test data set; the true value of the test data set is determined based on the moved data in the first sliding window; training the initial prediction model by using the training data set, and testing the trained initial prediction model by using the test data set to obtain a prediction value; moving the first sliding window, and repeating the process to obtain a target prediction model and a prediction value of each test data set; and based on the true value and the predicted value of each test data set, performing evaluation test on the target prediction model to obtain an evaluation test result. According ...

Built -in fitting of angle of testing oneself unwrapping wire

... 一种自测角度放线的预埋件，包括预埋件的预埋板和测量角度放线板，测量角度放线板为扇形板，分为矩形底部和半圆形测量部，矩形底部的长边与半圆形测量部的直径相等，半圆形测量部的弧形边缘留设有等宽的角度刻盘，该角度刻盘上均匀设有0°-180°刻度，角度刻盘上0°和90°在半圆形测量部上的交点为装置的中心刻度，测量角度放线板置于预埋板上，并且预埋板的中心与中心刻度通过铰轴铰接。实用新型简单有效，极大的提高了工作效率，节省设备和人力的投入，经济效果显著，而且板材加工简单，精度可靠，使用方便，通用性强。 ...

Fenton method combines high salt industrial waste water electrolysis trough of bipolar membrane technical process

... 本实用新型涉及一种利用Fenton法结合双极膜技术处理高盐工业废水电解槽。电解槽为长方体槽状结构，电解槽设置有铁阳极、惰性阳极和惰性阴极，铁阳极、惰性阴极直流稳压电源的正极和负极相连接；阳极与阴极之间设置有1～6个由双极膜、阴离子交换膜、阳离子交换膜和双极膜组成的高盐工业废水处理单元。双极膜与阴离子交换膜之间为酸室；阴离子交换膜和阳离子交换膜之间为盐室；阳离子交换膜和双极膜之间为碱室。本实用新型将Fenton技术和双极膜技术集成在一个处理装置中，设备紧凑，去除盐分、降低废水的COD。生成相应的酸碱可回收利用。 ...

Automatic feeding device for powder metallurgy forgings

The utility model discloses a powder metallurgy forge piece automatic feeding device which comprises a workbench, a first driving motor is arranged at the top of the workbench, a feeding conveying belt is arranged at the output end of the first driving motor, an air cylinder is arranged at one end of the feeding conveying belt, a working box is arranged on one side of the feeding conveying belt, and a connecting plate is arranged in the working box. A conveying mechanism is arranged at the bottom of the connecting plate. According to the powder metallurgy forge piece feeding device, powder metallurgy forge pieces are conveyed to the material blocking plate through the feeding conveying belt, and the push plate is driven by the telescopic rod to push the powder metallurgy forge pieces into the first spring clamping jaw and the second spring clamping jaw; through a conveying mechanism composed of a second driving motor, a first L-shaped plate, a second L-shaped plate, a first spring clamping ...

Wind direction following type air quality monitoring system

The invention provides a wind direction following type air quality monitoring system which comprises a plurality of monitoring points arranged around a monitoring target pollution source, and each monitoring point comprises a driving mechanism, an air pollutant monitoring unit and an air sampling mechanism. The air sampling mechanism is rotatably arranged on the driving mechanism; the air monitoring unit comprises a pollutant sensor, a wind direction sensor, a direction sensor and a control transmission module; the pollutant sensor and the control transmission module are arranged in the air sampling mechanism, and the direction sensor is used for collecting the direction of an air input port of the current oxygen sampling mechanism and inputting a collection result into the control transmission module; the wind direction sensor is used for collecting the current direction and inputting a collection result into the control transmission module, and the control transmission module controls ...

Rotary stirring sleeve

The rotary stirring sleeve comprises a first pipe body, a disturbance part, a second pipe body and a turbulent flow part, one end of the second pipe body is provided with an opening, the disturbance part is arranged at the opening of the second pipe body, and the disturbance part is connected with the first pipe body and the second pipe body in a penetrating mode; the turbulent flow part is arranged on the outer side of the second pipe body; the disturbance part connected to the first pipe body and the second pipe body is arranged, so that the difficulty that the magnetic beads continue to move upwards can be increased, and the magnetic beads can completely fall off in the process that the magnetic bar is separated from the second pipe body and the second pipe body; meanwhile, the turbulent flow part is arranged on the outer side wall of the second pipe body, so that in the rotary stirring process of the stirring sleeve, the mixed liquid can generate micro vortex more easily, the stirring ...

Chamber structure for improving flow condition of low-pressure leakage flow of final-stage mechanical seal of nuclear main pump

The invention discloses a chamber structure for improving the low-pressure leakage flow condition of a final-stage mechanical seal of a nuclear main pump, which comprises a mechanical seal moving ring and a mechanical seal static ring, the mechanical seal moving ring is positioned at the lower part of the mechanical seal static ring, the mechanical seal moving ring and the mechanical seal static ring are arranged in a shaft sleeve, a pump shaft is arranged outside the shaft sleeve, and the pump shaft is arranged in the shaft sleeve. A low-pressure leakage flow cavity is formed between the mechanical sealing moving ring and the mechanical sealing static ring, the mechanical sealing static ring is sleeved with a static ring guide sleeve, a spring is installed between the top of the mechanical sealing static ring and the static ring guide sleeve, an O-shaped ring is arranged between the side face of the mechanical sealing static ring and the static ring guide sleeve, and a groove is formed ...

BC-assisted system energy efficiency optimization method in MEC network

The invention discloses a method for optimizing system energy efficiency in a BC-assisted MEC network, and mainly solves the problems of insufficient energy supply and limited computing power of nodes of the Internet of Things in the prior art. According to the scheme, the method comprises the following steps: 1) building a BC-assisted MEC network system model; 2) the user offloads the calculation tasks to a plurality of edge servers through a backscattering mode and an active transmission mode by adopting a time-sharing access mode; 3) maximizing the system energy efficiency of the BC-assisted MEC network, and searching active and passive unloading time, the calculation frequency and calculation time of an MEC server, the sending power and unloading decision variable of a user and a BC coefficient; and 4) setting system working parameters according to an optimal result to realize optimization. The method can effectively improve the calculation efficiency of the user, enables the network ...

Natural dentin extraction material as well as preparation method and application thereof

The invention relates to the technical field of dental restoration materials, in particular to a natural dentin extraction material as well as a preparation method and application thereof. The method sequentially comprises the following steps: grinding dentin into dentin powder, and freeze-drying to obtain dentin powder to be digested; the method comprises the following steps: dispersing dentin powder to be digested into an acidic pepsin solution to obtain a digestion system; carrying out digestion treatment, carrying out solid-liquid separation, taking a supernatant, and adjusting the pH value to obtain a dentin extracting solution; sequentially performing freezing treatment and freeze drying treatment on the dentin extracting solution to obtain the dentin extract. According to the technical scheme, the technical problem that a natural dentin extraction material in the prior art is limited in treatment effect is solved, the particle size of the material is reduced, the biological activity ...

METHOD FOR ACHIEVING HIGH-PRESSURE SHEARING DEFORMATION IN TUBE MATERIALS BY WEDGE PRINCIPLE AND APPARATUS THEREFOR

A method of achieving high-pressure shearing deformation in tube materials by the wedge principle and an apparatus therefor. The method involves: selecting a workpiece to be processed (3), and using constraining bodies to respectively constrain the inner wall and the outer wall of the workpiece (3); exerting an axial pressure on the constraining bodies, increasing the axial force by taking advantage of the force amplifying principle of the wedge, and converting to a positive pressure in a direction perpendicular to a contact surface with the workpiece (3), thereby obtaining a high hydrostatic pressure inside the workpiece (3); providing a torque to one of the constraining bodies such that the constraining body rotates around a central axis of the workpiece (3), while fixing the other constraining body; or providing a torque to the two constraining bodies at the same time in opposite directions, such that the two constraining bodies rotate relatively around the central axis of the workpiece ...

Fan coil with noise reduction function

The fan coil with the noise reduction function comprises an air return pipe and an air outlet pipe communicated with the air return pipe, a sound absorption lining is attached to the inner surface of the air return pipe, a silencer is arranged in the air outlet pipe and comprises a shell and silencing pieces arranged in the shell, and the silencing pieces are arranged in the shell. Openings are formed in the two ends of the shell, the silencing piece extends between the openings in the two ends, the sound absorption lining and the silencing piece each comprise a super-structure composite sound absorption structure and hydrophobic cloth wrapping the surface of the super-structure composite sound absorption structure, and a galvanized perforated plate is arranged on the outer layer of the hydrophobic cloth. Due to the fact that the sound absorption lining and the noise elimination pieces each comprise a super-structure composite sound absorption structure, broadband noise can be absorbed, ...

Speed measurement probe installation gap adjusting device for fluted disc

The invention relates to the technical field of general mechanical equipment manufacturing, and discloses a speed measuring probe installation gap adjusting device for a fluted disc, the speed measuring probe installation gap adjusting device for the fluted disc comprises a supporting assembly and a measuring assembly, the supporting assembly comprises a first supporting rod and a second supporting rod, the measuring device is used for connecting a generator main shaft air supply water collecting tank and a measuring assembly, the measuring assembly comprises a measuring base body, a mounting plate used for mounting a speed measuring probe and a positioning plate assembled on the measuring base body in a sliding mode, and the positioning plate is detachably connected with the measuring base body and used for being tightly attached to a fluted disc. And scales for displaying the distance between the speed measuring probe and the positioning plate are arranged on the measuring base body.

Decoration management method and system based on BIM model in nuclear power construction

The invention relates to a decoration management method and system based on a BIM model in nuclear power construction. The method comprises the steps that a nuclear power construction client logs in a nuclear power decoration management system in a nuclear power construction server; the nuclear power construction client searches a BIM model of a target nuclear power building of nuclear power construction and decoration from the nuclear power decoration management system; the nuclear power construction server side responds to the click operation of the nuclear power construction client side on the target decoration object, and searches related data of the target decoration object; related data are sent to a nuclear power construction client; and the nuclear power construction client receives and displays the related data of the target decoration object. According to the invention, the nuclear power construction server and the plurality of nuclear power construction clients connected with ...

Halogen-free flame-retardant cyanate ester resin system and preparation method thereof

The invention discloses a halogen-free flame-retardant cyanate ester resin system and a preparation method thereof. The halogen-free flame-retardant cyanate ester resin system is composed of 1-15 parts by mass of boron-containing hyperbranched polysiloxane and 10-80 parts by mass of cyanate ester resin, and the boron-containing hyperbranched polysiloxane is obtained by carrying out ester exchange polycondensation on trifunctional alkoxy silicon, trialkoxy borate and 4, 4 '-dihydroxybenzophenone in an organic solvent. According to the invention, through regulation and control of a chain segment skeleton structure, flame-retardant elements boron, silicon and rigid benzene ring groups are introduced into a molecular structure of hyperbranched polysiloxane at the same time, and are introduced into a cyanate ester resin polymer network through a covalent cross-linking reaction, so that good processability of a resin system is ensured, and the flame-retardant performance of the resin system is ...

Wall surface flatness measuring instrument for building construction

The invention relates to the technical field of building construction, in particular to a wall flatness measuring instrument for building construction. The technical problem of the invention is to provide the wall surface flatness measuring instrument for building construction, which is convenient to measure. According to the technical scheme, the wall flatness measuring instrument for building construction comprises a detection plate, a first fixing rod, a visual mechanism and a covering mechanism, the left front portion of the detection plate is connected with the first fixing rod, the visual mechanism is arranged on the detection plate, and the covering mechanism is arranged on the detection plate. According to the wall surface flatness measuring device, the first threaded rod is rotated so that the rolling wheel can roll downwards on the wall surface, when the wall surface is uneven, a paintbrush can draw zigzag lines on drawing paper, when the wall surface is flat, the paintbrush can ...

MOBILE TERMINAL

Provided in the present application is a mobile terminal. The mobile terminal comprises two shells that are rotatably connected, and further comprises a flexible screen assembly covering the two shells, and an edge of the flexible screen assembly being connected to the two shells in an adhered manner. When the mobile terminal is folded, the flexible screen assembly is bent with the rotation of the two shells, but since the flexible screen assembly is a multi-layer structure, the flexible screen assembly becomes arched. For this reason, the flexible screen assembly is respectively connected to two groups of limiting members, and the two groups of limiting members are slidably connected to the two shells and are used for defining the relative vertical distance between the flexible screen assembly and the two shells. One end of the limiting members is fixedly connected to the flexible screen assembly, and the other end is slidably connected to the shell, thereby defining the vertical distance ...

Single-channel half-duplex soft device-free rapid transceiving method, medium, device and system

The invention relates to a single-channel half-duplex soft no-equipment rapid transceiving method, medium, equipment and system, and the method comprises the steps: optimizing a software radio equipment driving layer, a radio frequency software layer and an application software layer, initializing working parameters, and operating a receiving/transmitting flow diagram program. Related working parameters for changing a receiving/sending mode are separated from a link of opening/closing the transceiving equipment, so that the opening or closing of the equipment has no transceiving difference, the time delay of the single-channel half-duplex soft wireless equipment in the communication process is greatly reduced, the signal transmission efficiency is improved, the crosstalk between two equipment antennas is avoided, and the communication quality is improved. And the cost is greatly saved.

DATA BACKUP METHOD AND APPARATUS, AND ELECTRONIC DEVICE

The disclosure relates to a data backup method and apparatus, and an electronic device. The method comprises: receiving backup data from a terminal; determining information of a logged on account on the terminal; and storing the backup data in a path corresponding to the information of the account. By means of the technical scheme of the disclosure, backup data can be stored according to information of accounts, which helps to improve the security and the privacy of backup data under the accounts and helps a router manage the backup data.

Water quality monitoring and early warning system for flowing water body and early warning method thereof

The invention provides a water quality monitoring and early warning system for a flowing water body. The water quality monitoring and early warning system comprises a plurality of monitoring units distributed in the flowing direction of the flowing water body and a remote monitoring unit in communication connection with the monitoring units, the monitoring unit comprises a sensor module, a water quality sampling unit and a control transmission unit; the water quality sampling unit comprises a water pump and a sampling device, the water pump extracts a water sample from a detected flowing water body and outputs the water sample to the sampling device, the sensor module is arranged in the sampling device and detects the water sample, and the output end of the sensor module is connected to the control transmission unit. The control transmission unit is in communication connection with the remote monitoring unit, and the control transmission unit controls the water pump to work; the method ...

Multi-shaft cylindrical grinding machine

The invention relates to the technical field of machining, and discloses a multi-shaft cylindrical grinding machine which comprises a machine base, a workpiece feeding mechanism, a grinding wheel grinding mechanism and an auxiliary supporting mechanism, the workpiece feeding mechanism is used for driving a workpiece to perform feeding motion towards the grinding wheel grinding mechanism; the grinding wheel grinding mechanism is used for grinding the end part of the workpiece; the auxiliary supporting mechanism is located between the workpiece feeding mechanism and the grinding wheel grinding mechanism and used for conducting auxiliary supporting on the suspended part of the workpiece. According to the embodiment of the invention, an auxiliary supporting function is provided for the extending part of the workpiece, the front end of the workpiece can be reliably supported in the grinding process, and the phenomenon that the grinding position deviates due to warping or external factors of ...

APPLICATION START METHOD AND APPARATUS

The present invention relates to an application start method and apparatus, which fall within the technical field of computers. The method comprises: establishing a connection with a terminal (101); detecting whether the terminal supports a private protocol (102); and if it is detected that the terminal supports the private protocol, starting an application based on the private protocol (103). The present invention can solve the problem that a great amount of memory of a router can be wasted by running an application based on a private protocol when there is no connection established between the router and a terminal supporting the private protocol, thereby achieving the effect of saving the memory of the router.

LIMITING COMPONENT, SLIDING CONNECTION MECHANISM, AND FOLDABLE ELECTRONIC DEVICE

Provided are a limiting component, a sliding connection mechanism and a foldable electronic device. The electronic device comprises: two shells rotatably connected to each other; a flexible screen component, wherein the flexible screen component covers the two shells, and an edge of the flexible screen component is respectively connected to the two shells in a bonding manner; and a limiting component, wherein the limiting component is fixedly connected to the flexible screen component, the limiting component is connected to the two shells in a sliding manner, and the limiting component is used for limiting the displacement of the flexible screen component and the shells in a first direction, with the first direction being perpendicular to a plane where the shells or the flexible screen component are/is located. According to the present application, by means of designing a sliding connection mechanism, free sliding along with layer-by-layer staggered movement of a flexible screen is realized ...

Environment-friendly drain opening

The invention provides an environment-friendly drain opening which is characterized by comprising an anti-seepage piece, an outer curved surface filter screen, a steel wire filter screen, a collecting wing box, a flip bucket, a main box body, a desilting energy dissipation pool, a mud pump, an inverted filter screen, a drain gate, a flashboard, a steel plate bridge, a drain pipe and a cofferdam. A sluice gate is arranged in the other side of the main box body, one side of the sluice gate is connected with a flashboard, the other side of the sluice gate is connected with a drain pipe, the drain pipe is connected with a cofferdam, and a steel plate bridge is connected between the cofferdam and the main box body; due to the arrangement of multiple layers of filter screen interception and a flip bucket, silt and the like are left in a hydraulic reclamation area as far as possible and are not discharged into the sea along with water flow, the environment is protected while economic losses are ...

High-entropy alloy wear-resistant composite coating and preparation method thereof

The invention discloses a high-entropy alloy wear-resistant composite coating and a preparation method thereof, and belongs to the technical field of surface modification. The preparation method comprises the following steps: 1) carrying out thermal oxidation treatment on a high-entropy alloy matrix in an oxygen-containing atmosphere at the reaction temperature of 400-600 DEG C, and forming an oxide layer on the surface of the high-entropy alloy matrix; and (2) the high-entropy alloy matrix treated in the step (1) is placed in a high-purity nitrogen atmosphere to be subjected to nitriding treatment, the reaction temperature ranges from 700 DEG C to 1200 DEG C, a nitriding layer grows on the surface of an oxidation layer, and the wear-resistant composite coating is formed. According to the preparation method of the high-entropy alloy wear-resistant composite coating, the production efficiency is high, the production cost is low, mass production can be achieved, an oxide layer and a nitriding ...