纸巾盒(1)

带集成灶操控图形用户界面的显示屏幕面板

墙基配件（不锈钢防水）

塑料箱（AA-380）

塑料箱（NEW-373）

液体调料分装器皿

塑料箱（6-02系列）

行李箱盖板拉手

面料（汉麻真丝—字母棋盘—格纹大提花）

气泡水机（HR-170）

塑料箱（9650）

Automatic assembly line of transporting of material

... 本实用新型公开了一种物料自动化转运流水线，具有皮带输送机，皮带输送机的进料端设有封口机，封口机用于对物料袋封口，其特征是：在皮带输送机的出料端设有用于改变物料袋传输方向的翻料机构和对应翻料机构布置的溜槽，溜槽的出口端对接有传送辊道，传送辊道上对应设有扫平装置，在传送辊道的末端设有用于转运物料袋的自动化机械臂；本实用新型结构简单、设计巧妙，不仅占用厂房的空间小，实现了对物料袋的自动化转运，省时省力，而且确保了每一袋待转运物料袋外形的平整性，实现了物料袋在货车上的稳定堆放。 ...

Universal three-party password authentication key exchange method

The invention discloses a universal three-party password authentication key exchange method. According to the invention, any safe two-party password authentication protocol can be converted into a safe three-party authentication protocol; a server S is allowed to establish session keys with a user U and a service node SN respectively through an enhanced asymmetric password authentication protocol ideal function and a secure channel ideal function. The method can be compatible with various network environments such as a wireless sensor network, the Internet of Things, a smart power grid and smart home, and supports sensor nodes with relatively low operation performance to participate in authentication. By using the technical scheme provided by the invention, when a new network application appears and a network structure does not change, a protocol designer does not need to design a new protocol, and the previously designed protocol can be fully utilized.

Time sequence diagram checking method based on graph theory algorithm

The invention relates to the technical field of time sequence diagram processing, and discloses a time sequence diagram verification method based on a graph theory algorithm, and the method comprises the following steps: S1, obtaining a process set of a technological process; s2, acquiring a process set of the time sequence diagram; s3, checking whether free nodes exist in the time sequence diagram or not by adopting set difference set operation; s4, converting the time sequence diagram into a directed graph data structure; s5, checking whether a plurality of entrances and a plurality of exits exist in the time sequence diagram or not by adopting a directed graph depth-first traversal algorithm; s6, a time sequence diagram is calculated through directed graph topological sorting, and whether rings exist in the time sequence diagram or not is checked; and S7, if the step S3, the step S5 and the step S6 all pass the verification, indicating that the time sequence diagram has no problem, otherwise ...

Magnetic suspension type subway section civil air defense door safety limiting structure

The invention discloses a safety limiting structure of a magnetic levitation type metro section civil air defense door, which comprises a limiting pile, a supporting seat and a door leaf moving wheel, the limiting pile is arranged at an in-place limiting position of the magnetic levitation type metro section civil air defense door, the supporting seat is arranged on the limiting pile, the door leaf moving wheel is arranged on a magnetic levitation door leaf and is positioned on the supporting seat, and the door leaf moving wheel is positioned on the supporting seat. The limiting piles and the supporting seats are arranged and used for locking the magnetic suspension type metro section civil air defense door, flexible switching of free opening and locking of the magnetic suspension type metro section civil air defense door is achieved, and the design safety of the magnetic suspension type metro section civil air defense door and the driving safety when a train passes through the section ...

Fiber reinforced composite material and preparation process thereof

The invention discloses a fiber reinforced composite material and a preparation process thereof. The fiber reinforced composite material comprises a first matrix material for additive manufacturing, a second matrix material for additive manufacturing and reinforcing fibers distributed in a plurality of unit forming layers of the first matrix material and the second matrix material. A joint surface is arranged between the first base material and the second base material, and in the unit forming layer, the reinforcing fibers extend from the first base material to the second base material in the length direction and penetrate through the joint surface. Preferably, the reinforcing fibers are heterogeneously distributed in the first matrix material and the second matrix material. When the fiber reinforced composite material is prepared, in the same printing layer, a first base material and a second base material are sequentially or simultaneously printed, after one or more composite printing ...

Self-adaptive inversion sliding mode control method based on preset performance for network control system

The invention belongs to the field of automation control, and particularly relates to a preset performance-based self-adaptive inversion sliding mode control method for a network control system, which comprises the following steps of: converting a nonlinear network control system model with uncertain time delay into a system model without the uncertain time delay; defining a system tracking error index and a preset performance trajectory, and converting the constrained system tracking error index into a new unconstrained error index; defining a new system state error containing an intermediate virtual control signal, and performing coordinate transformation on the system model; designing a sliding mode function and a Lyapunov function, and estimating network interference by adopting an adaptive neural network function to obtain a system input signal control rate; according to the method, the network interference concept is utilized, the time delay problem of the network control system is ...

ELECTROSTATIC ELIMINATION DEVICE, AND CLEANER FOR CLEANING ELECTROSTATIC NEEDLE

Disclosed is an electrostatic elimination device (10). The electrostatic elimination device (10) comprises: a base plate (100), sensors (103, 104) and a cleaner (20), wherein the base plate (100) is provided with an electrostatic needle (102), the electrostatic needle (102) generating a positive ion or a negative ion, the sensors (103, 104) are used for generating a sensing signal when sensing that there is foreign matter on the electrostatic needle (102); and the cleaner (20) is slidably arranged on the base plate (100), and the cleaner (20) slides towards the electrostatic needle (102) to remove the foreign matter on the electrostatic needle.

ORGANIC ELECTROLUMINESCENT DEVICE AND PREPARATION METHOD THEREOF

Disclosed are an organic electroluminescent device and a preparation method thereof. The organic electroluminescent device is a top-emitting organic electroluminescent device having a reversed structure, and the preparation method is: dissolving zinc oxide with acetic acid to obtain a zinc oxide solution with a concentration of 0.3 g/ml—0.6 g/ml, adding a phthalocyanine substance in a mass of 1% - 10% of the mass of the zinc oxide to obtain a mixture, spin-coating the mixture on a glass substrate (1) and then drying to obtain a cathode (2), and then preparing by vapour deposition, an electron injection layer (3), an electron transport layer (4), a luminescent layer (5), a hole transport layer (6), a hole injection layer (7) and an anode (8), successively, so as to obtain the organic electroluminescent device. The organic electroluminescent device uses a reversed structure, and the cathode (2) uses zinc oxide and a phthalocyanine substance as starting materials such that the electron injection ...

汉麻面料(祥云献瑞)

护臀短裤（9片）

塑料箱（9系列）

Pipe truss on-site construction splicing method

The invention relates to a pipe truss on-site construction splicing method which comprises the following specific steps: S1, preparing work is carried out, and a splicing area, a hoisting area and a sliding area are divided on site; s2, a splicing jig frame is built in the splicing area; s3, a supporting jig frame and a sliding assembly are built; s4, one main truss is assembled; s5, one main truss is hoisted; s6, repeating the steps S4 and S5; s7, prestress traction is conducted on the main truss; s8, two adjacent main trusses are connected together, and connection between the main trusses and the supporting jig frame is separated; s9, synchronously sliding each main truss by a column distance; s10, the steps S6-S9 are repeated till all the main trusses are spliced and slide in place, and prestress traction is completed; s11, carrying out support conversion; and S12, a gable truss supporting structure is installed, all work can be conducted at the same time, constructors can follow the ...

Lubricating rust-proof type hand-cranking chain window opener

The invention discloses a lubricating rust-proof type hand-cranking chain window opener applied to the field of devices for moving a wing sash to an opening or closing position, according to the window opener, a supplement panel is arranged in a chain box, and a lubricating adsorption frame is arranged on a chain, so that the lubricating adsorption frame and the supplement panel can be matched with each other to lubricate and supplement the chain; the lubricating property of the chain is effectively guaranteed, the loss of lubricating oil caused by long-term exposure is avoided, the action jamming probability of the chain when the chain is used for window opening control is reduced, the self-maintenance lubricating effect can be effectively achieved, the manual maintenance procedure is reduced, and the maintenance difficulty and cost are effectively reduced; and through the effect that high-concentration lubricating oil diffuses to low-concentration lubricating oil, the oil outlet supplementing ...

Wireless device identification method based on radio frequency fingerprint and deep learning

The invention discloses a radio frequency fingerprint and deep learning-based wireless device identification method, which comprises the following steps of: performing data acquisition through a base station, and performing signal preprocessing on signal data after data acquisition through a server; the preprocessed signal data is directly transmitted to a deep neural network, and the deep neural network compares the prediction tag with a registration tag in a library to identify different communication wireless devices; and after the deep neural network identification succeeds, the wireless device is classified and identified as a first wireless device, a second wireless device, a third wireless device and the like, and after the deep neural network identification fails, machine learning radio frequency fingerprint identification is performed. According to the radio frequency fingerprint and deep learning-based wireless device identification method, through the motion of the deep neural ...

Shaft dropping test device and design method thereof

The invention discloses a shaft falling test device and a design method thereof, relates to the technical field of rail transit, and aims to solve the technical problem that a traditional shaft falling test is inaccurate in vibration reduction effect evaluation. The drop shaft test device comprises a foundation soil simulation layer, a vibration reduction rail component and at least one pre-pressing loading component. Wherein the vibration reduction rail component is arranged on the foundation soil simulation layer; the vibration reduction rail component comprises at least one unsprung mass simulation assembly. The pre-pressing loading component comprises a loading assembly and a vibration isolation bearing assembly. The vibration isolation bearing assembly is arranged on the unsprung mass simulation assembly, and the loading assembly is suspended at the top of the vibration isolation bearing assembly in a lifting mode. Therefore, the method has the advantages of accurate and scientific ...

Inter-shaft sealing test device and test method

The invention provides an inter-shaft sealing test device and method. The device comprises a first rotor assembly with an opening in one end, a second rotor assembly with an opening in one end, a bushing and a runway which are matched with each other, a first air inlet formed in a first shell, a second air inlet formed in a first rotor and an air channel communicated with the second air inlet, and an adapter for connecting the first rotor assembly and the second rotor assembly, and the separator is positioned between the second air inlet and the air passage outlet. The method comprises the following steps: selecting an adapter between a first rotor assembly and a second rotor assembly based on a test condition; before the test, the inter-shaft sealing test device is calibrated; installing the tested sealing element; high-pressure air or high-temperature air is introduced from the first air inlet, the flow of the exhaust port is measured, and the leakage amount of the tested sealing element ...

Alginate lyase mutant P17AaM and application thereof

The invention belongs to the field of protein rational design and enzyme engineering, and particularly relates to an alginate lyase mutant P17AaM and application thereof. According to the invention, alginate lyase P17Aa is taken as a starting template, two protein rational design strategies are optimized by combining disulfide bonds and free energy, the alginate lyase mutant P17AaM with improved thermal stability is obtained, and the nucleotide sequence of the alginate lyase mutant P17AaM is shown as SEQ ID NO.2. After the alginate lyase mutant P17AaM obtained by the invention is treated in water baths at 40 DEG C and 45 DEG C for 1 hour, the residual enzyme activities are 2.2 times and 8.2 times of those of P17Aa respectively, and the alginate lyase mutant P17AaM has good thermal stability. The obtained alginate lyase mutant P17AaM can be used for preparing a recombinant vector and a recombinant strain, pichia pastoris serves as a recombinant expression host, efficient expression of the ...

OBSTACLE-SURMOUNTING MECHANISM FOR MORTAR VEHICLE

Disclosed is an obstacle-surmounting mechanism for a mortar vehicle which includes a wheel set arranged on two ends of a beam (6) of a chassis frame. The wheel set is hinged with the beam (6) of the chassis frame and rotated by certain angle around a hinge point. The mechanism avoids use of an extra power device and surmounts an obstacle easily so that the whole vehicle is stably operated.

MEMORY CARD READER

A memory card reader. The memory card reader comprises a housing (10), a circuit board (20), a connection head (30), a connector (40) and a card holder (50), wherein the circuit board (20) is disposed in the housing (10), the connector (40) is disposed on the circuit board (20), and the connection head (30) is electrically connected to the circuit board (20). The memory card is placed in a memory card slot (511, 512) of the card holder (50), and the card holder (50) in which the memory card (101,102) is placed is inserted into a socket (111) of the housing (10), so that contact points of the memory card (101,102) abut against connection terminals (41, 42) of the connector (40). When the connection head (30) is connected to an external device, the memory card (101, 102), the connection terminals (41, 42), the circuit board (20) and the connection head (30) are sequentially electrically connected to the external device. Reading and writing for a non-standard memory card is carried out by ...

ULTRA-THIN USB FEMALE SOCKET

An ultra-thin USB female socket (1) comprises a metal upper housing (11), a metal lower housing (14), and an insulating body (13) with pin terminals (12) according to USB interface protocols. The pin terminals are fixed on the insulating body. The insulating body is fixed in the metal upper housing. The connection between the metal lower housing and the metal upper housing is a sliding connection with a changeable thickness. The thickness of the USB female socket is the thinnest when the metal upper housing mates with the metal lower housing entirely, thus the USB female socket can be used in an ultra-thin device; the thickness of the USB female socket is increased to the thickness of a standard USB female socket by pulling the metal lower housing outwards when the standard USB male socket is inserted into the USB female socket, thus the USB female socket can also be used in the standard USB male socket.

水流传感器（SEN-GD06B）

磨浆机

下衣（紫花）

工具箱

塑料箱（5系列2）

沥水篮（SJY2）

行李箱盖板扣手

电子鼻的插针采样器

塑料箱（6-01系列）

漱口杯（SJY2）

塑料箱（6系381）

Differential end-fire filtering antenna based on multimode resonance

The invention relates to a differential end-fire filtering antenna based on multimode resonance, and belongs to the field of 5G communication equipment, the differential end-fire filtering antenna comprises a dielectric substrate, and the lower surface of the dielectric substrate is provided with a metal grounding layer; a reverser, a driver 1, a driver 2, a driver 3, a pair of U-shaped opening resonators and a director are sequentially arranged on the upper surface of the dielectric substrate; the two ends of the metal grounding layer are each provided with a circular groove, metal through holes used for penetrating through the driver 1 and the dielectric substrate are formed in the two circular grooves, and the two metal through holes are connected with differential feed excitation sources which are equal in amplitude and opposite in phase.

Efficient impurity-removing composite scouring enzyme for cotton knitted fabric and application process of efficient impurity-removing composite scouring enzyme

The invention discloses an efficient impurity removal composite scouring enzyme for a cotton knitted fabric and an application process, and belongs to the technical field of pretreatment of the cotton knitted fabric. The efficient impurity removal composite scouring enzyme liquid for the cotton knitted fabric is prepared from the following components: 1 to 3g/L of pectinase, 1 to 3g/L of mucilage control enzyme, 1g/L of penetrant, 0.5 to 3.5 g/L of hydrogen peroxide, 1 to 3g/L of limonene, 2 to 10g/L of glyceryl triacetate, 2g/L of sodium pyrophosphate, 2 to 6g/L of sophorolipid and the balance of water, and then the pectin is used for refining the cotton fabric, so that the prepared cotton fabric has the advantages of high pectin removal rate, good wettability, low weight loss rate and the like.

Clustering-based cryptographic chip side information leakage quantitative measurement method and system

The invention relates to a cryptographic chip side information leakage quantitative measurement method and system based on clustering, and belongs to the technical field of network security side channel analysis. The method comprises the following steps: segmenting a side channel waveform collected by a cryptographic chip into waveform segments with operation numbers, reducing the dimension of the waveform segments, and clustering the waveform segments in a low-dimensional space to obtain two sets, namely a set A and a set B; deriving correct operation of each waveform segment according to a known key, and marking the correct operation to a point corresponding to each waveform segment so as to obtain two sets, namely a set C and a set D; assuming that A corresponds to C and B corresponds to D, adding points belonging to A but not belonging to C and points belonging to B but not belonging to D into a set E; a threshold value alpha is set, and if the number of the midpoints of the E is smaller ...

Chitin deacetylase mutant, recombinant expression vector, recombinant engineering bacterium and screening method thereof

The invention belongs to the technical field of biology, and particularly relates to a chitin deacetylase mutant, a recombinant expression vector, a recombinant engineering bacterium and a screening method thereof. The preparation method comprises the following steps: firstly, carrying out disulfide bond design on a starting template chitin deacetylase CdaBa to obtain two pairs of effective disulfide bond mutants; the method comprises the following steps: carrying out rational single-point mutation on a starting template chitin deacetylase CdaBa to obtain four effective single-point mutants; finally, carrying out combined mutation on two pairs of effective disulfide bond mutants and four effective single-point mutants, and further screening to obtain an optimal mutant CdaBaM; the mutant is further applied to a preparation process of a recombinant vector and a recombinant strain. The mutant CdaBaM prepared by the method disclosed by the invention is subjected to heat treatment for 30 minutes ...

MongoDB storage-oriented tense RDF tetrad model and redundancy attribute elimination method

The invention relates to a MongoDB storage-oriented tense RDF (Resource Description Framework) tetrad model and a redundancy attribute elimination method, which comprise the following steps of: 1, constructing a tense RDF tetrad data model, taking tense information as a newly-added tuple of RDF triad expansion, expanding a triad into a tetrad model containing tense information, and taking the tense information as the newly-added tuple of RDF triad expansion; the extended tense RDF tetrad data model is defined, and the tense RDF tetrad data model is obtained; step 2, using a document-oriented non-relational MongoDB database to store tense RDF tetrad instance data, and using a non-relational MongoDB database to store tense RDF tetrad instance data; and step 3, for the tense RDF tetrad data in the text form stored in the MongoDB database, using a weighting-based design algorithm to find out instance attributes with relatively high repetition, and eliminating the redundant instance attributes ...

Industrial continuous production method of catalyst

The invention relates to the field of industrial production of catalysts, and discloses an industrial continuous production method of a catalyst, which comprises the following steps: putting raw materials of the catalyst into mixing equipment (1) for mixing; the mixed raw materials are added into the mixing bin (2); the discharged materials are conveyed to a quantitative feeder (4) capable of realizing continuous quantitative conveying; the quantitative feeder conveys the raw materials to the wet powder continuous mixer (5) to be mixed with an aqueous solution to form a wet material; the wet materials continuously enter a double-shaft continuous kneading machine (6) to be continuously kneaded, and formed semi-finished products are discharged and then enter a screw extruder (7) to be extruded into strip-shaped materials; the strip-shaped materials continuously and sequentially enter the drying equipment (9), the pelletizing equipment (10) and the roasting equipment (11), and finally enter ...

VISUAL TEST BED DEVICE WITH ROTARY INFLOW CHANNEL FOR TURBULENT COMBUSTION WITH LOW HEAT LOSS

A visual test bed device with a rotary inflow channel for turbulent combustion with low heat loss, wherein a lower end of a transparent observation window (1) is fixedly mounted on an upper flat plate (2); the upper flat plate (2) is connected to a lower flat plate (13) by means of supporting posts; quartz glass is fixed between adjacent supporting posts; the lower flat plate (13) is provided, at a central position thereof, with a through hole where a cyclone (12) is mounted; a gas mixing pipe (14) is connected to the cyclone (12), and the other end of the gas mixing pipe (14) is connected to a pipe joint (16); the pipe joint (16) is connected to a pagoda joint (17), and the pagoda joint (17) is provided with a gas inlet (18) and an oxidant inlet (19); a flow regulating perforated plate (15) is mounted in the pipe joint (16); and each of the supporting posts is provided with an ignition device. With this device, thorough pre-mixing of a fuel and air can be realized, and when a stable eddy ...

FOCUS FOLLOWER HOLDING STAND, UNMANNED AERIAL VEHICLE AND MOBILE APPARATUS

A focus follower holding stand (1) comprises a main frame (10), a sliding frame (20), a locking mechanism (30) and a toothed disc (50). The sliding frame (20) is slidably installed on the main frame (10). The toothed disc (50) is connected on the sliding frame (20) and works in coordination with a focus follower (2). The sliding frame (20) and the main frame (10) work in coordination by means of at least one of the following: when the locking mechanism (30) is in a locked state, the sliding frame (20) is locked on the main frame (10); when the locking mechanism (30) is in an unlocked state, the sliding frame (20) is capable of sliding along the main frame (10); and when the locking mechanism (30) is in a reverse pulled back state, the sliding frame (20) is capable of sliding out from one side of the main frame (10) and sliding in from the opposite side.

AMINE-CONTAINING DIFLUORO BENZOTRIAZOLYL POLYMER AND PREPARATION METHOD AND USE THEREOF

The present invention relates to the field of solar cells. Disclosed are an amine-containing difluoro benzotriazolyl polymer and preparation method and use thereof; the solar cell material has a structure as represented by formula (I), wherein both R1 and R2 are alkyls from C1 to C20, and n is an integer from 10 to 50. In the amine-containing difluoro benzotriazolyl polymer of the present invention, because the 1, 2, 3-benzotriazole solar cell material contains two fluorine atoms, the HOMO energy level will be reduced by 0.11eV while the fluorine-substituted 1, 2, 3-benzotriazole has two imido groups with strong electron-withdrawing property; the difluoro benzotriazole is a heterocyclic compound with strong electron-withdrawing property, and an alkyl chain can be easily introduced to the N-position of the N-H bond of the benzotriazole; the functional group of the alkyl chain can improve solar energy conversion efficiency, thus solving the low efficiency problem of the solar cells made from ...

EXHAUST AFTERTREATMENT APPARATUS

Disclosed is an exhaust aftertreatment apparatus (100), comprising a first mixing chamber assembly (1), a second mixing chamber assembly (2) and a catalyst carrier assembly (3). The first mixing chamber assembly (1) comprises a first housing (11) with a first mixing chamber (10) provided therein, a gas inlet pipe (12), and a first mixing pipe (13) at least partially located in the first mixing chamber (10). The first mixing pipe (13) is provided with a first pipe body (131) located in the first mixing chamber (10), and a second pipe body (132) extending from the first mixing chamber (10), wherein a side wall of the first pipe body (131) is provided with several flow whirling plates (1311). The second mixing chamber assembly (2) comprises a second housing (21) and a second mixing pipe (23). The second mixing pipe (23) is provided with a flow guiding cover (231) directly opposite the first mixing pipe (13) so as to force the gas flow to flow in a reverse direction. The first housing (11) ...

Jar mechanical spray rinsing and suction equipment crouch in underground

... 一种地下卧罐机械喷洗与抽吸设备，该设备包括喷洗单元和抽吸单元，其中喷洗单元包括清水箱、增压水泵、第一阀门、复合喷洗器；抽吸单元包括吸收机械手、第二阀门、真空罐、第三阀门、真空泵、第四阀门、排污泵、第五阀门；清水箱出口由管道连接增压水泵的入口，增压水泵的出口由管道经过第一阀门连接复合喷洗器的入口，复合喷洗器和吸收机械手均设置在待清洗卧罐内，待清洗卧罐的出口经管路和第二阀门连接真空罐的入口，真空罐经第三阀门连接真空泵，真空罐的出口经第四阀门连接排污泵和第五阀门。本实用新型的有益效果：为地下卧罐的清洗带来了方便，既省水又喷洗、抽吸的干净，保证了清洗质量，减少了排放混合污物的处理费用，满足环保要求。 ...

A conveyer pipe for vegetable oil is prevented solidifying

... 本实用新型涉及油料输送设备领域，具体是一种用于植物油防凝固的输送管，具有管本体，其特征在于：管本体的外壁表面缠绕有伴热带，每米长度的管本体外壁上缠绕的伴热带圈数为2-3圈；所述伴热带上包裹有耐热纸，所述伴热带的一端还连接有用于调节伴热带发热温度的温控器；本实用新型结构简单，使用成本低、防凝固效果好且使用寿命也较长，具有良好的应用前景。 ...

Extensible energy -absorbing anchor

... 本实用新型公开一种可延伸吸能锚固装置。它包括锚杆杆体、预紧防脱套、波状套筒、凸形螺母、垫片、防滑套、托盘和螺母，所述的波状套筒套装于锚杆杆体上，预紧防脱套设于锚杆杆体与波状套筒的连接处，并分别与锚杆杆体与波状套筒螺接，所述锚杆杆体位于波状套筒内的一端与凸形螺母螺接，凸形螺母的另一端设有垫片、防滑套、锚杆杆体，波状套筒的端头设有托盘和螺母。本实用新型能够为软岩和深部围岩的支护提供较大的协调变形量和恒定的工作阻力，从而实现多次吸能和延伸；本实用新型在受到冲击地压作用时，波状套筒和预紧防脱套的同时作用，产生瞬间大延伸而整体结构不破坏，可以起到抗冲击的作用。 ...

Radar data evaluation method, device and system

The invention provides a radar data evaluation method and device and a spacecraft control system. The radar data evaluation method comprises the following steps: acquiring multiple pieces of radar data, wherein the different pieces of radar data are trajectory data obtained by tracking a spacecraft by different radar stations; based on preset evaluation index types, index values of various evaluation indexes corresponding to each piece of radar data are determined, and the evaluation indexes are used for evaluating the quality of the radar data; and determining an evaluation result of each piece of radar data based on the index values of the various evaluation indexes corresponding to each piece of radar data. The radar data is evaluated through various evaluation indexes representing the radar data quality, and the objective evaluation result corresponding to the radar data can be obtained, so that the objective data is provided for a decision maker, and the decision maker is assisted ...

Quartz vein type tungsten ore periphery prospecting exploration method

The invention belongs to the technical field of geological mineral exploration, and discloses a prospecting exploration method for the periphery of quartz vein type tungsten ore. According to the method, the position of the industrial vein is estimated and deduced by utilizing the ground surface quartz vein occurrence according to the characteristic that the vein of the quartz vein type tungsten ore extends stably along the trend and the tendency, and the deep hidden industrial vein is tunneled and tracked from an existing mining tunnel closest to the position of the industrial vein. The problems of long geological exploration prospecting period, high cost and low efficiency are solved, and meanwhile the surface environment is protected against damage.

Olfactory function standardization evaluation device and method based on brain-computer interaction technology

The invention discloses an olfactory function standardization evaluation device and method based on a brain-computer interaction technology. The device specifically comprises a front-end module, a data acquisition module, a data processing module and a user interaction module, the olfactory function detection system is used for collecting electrophysiological activities and respiratory signals of olfactory mucosa, olfactory bulb and forehead cortex of a subject in a resting state, amplifying and collecting multi-channel signals, calculating and generating olfactory function evaluation indexes through a neural network model, generating an olfactory function detection report, and displaying and storing the olfactory function detection report. According to the olfactory function evaluation method, the olfactory physiological signals of the subject in the resting state are recorded, quantitative olfactory function evaluation indexes are obtained through data analysis, odor stimulation in a ...

Plasma pulverized coal burner

The invention discloses a plasma pulverized coal burner, which belongs to the technical field of burners, and comprises a pulverized coal diversion channel, turbine blades, a plasma fire maker, a pressure cavity, a first baffle, a second baffle and a water injection nozzle, one end of the pulverized coal flow guide channel is communicated with a pulverized coal source, and the other end of the pulverized coal flow guide channel is provided with an ejection opening and a pulverized coal outlet; the turbine blade is rotationally connected into the pulverized coal flow guide channel, and the ignition end of the plasma igniter extends to the ejection opening; the pressure cavity is connected with a plurality of communicating pipes, the communicating pipes extend to the spraying opening, and a terminal used for infusing air or oxygen into the pressure cavity is connected into the pressure cavity. The first baffle and the second baffle are rotationally connected into the pulverized coal flow ...

Antistatic agent for ETFE powder coating and antistatic ETFE powder coating

The invention belongs to the technical field of anticorrosive coatings, and particularly relates to an antistatic agent for an ETFE powder coating and the antistatic ETFE powder coating. The antistatic agent for the ETFE powder coating is an ethylene-tetrafluoroethylene copolymer modified carbon nanotube. The antistatic agent can be well dispersed in the ETFE powder coating, so that the antistatic performance of the ETFE powder coating is improved, and the performance of the ETFE powder coating is not influenced. The obtained anti-static ETFE powder coating has both corrosion resistance and static conductivity.

Simplified calculation method for volume and residence time of functional area in oxidation ditch process

The invention discloses a simplified calculation method for the volume and residence time of a functional area in an oxidation ditch process. The method comprises the following steps: carrying out unitized decomposition on the oxidation ditch to obtain a plurality of oxygenation units, classifying the oxygenation units, and determining a representative unit of each category; determining the spatial distribution of dissolved oxygen in a downstream connected region of the representative unit; judging whether the dissolved oxygen concentration data of the representative unit meets preconditions or not; determining a boundary value of a dissolved oxygen interval, determining functional area space distribution of a representative unit, and further calculating a functional area distribution proportion; calculating the volume of each functional area of the oxidation ditch according to the functional area distribution proportion of the representative unit; and calculating the actual retention time ...

Candidate screening method and device

The invention provides a candidate screening method and device, and the method comprises the steps: sequentially querying the capabilities of candidates through voice according to a capability set corresponding to a current post; according to each voice reply of the candidate, obtaining and recording the ability of the candidate; and when determining that the capability of the candidate does not accord with the necessary capability in the capability set corresponding to the current post according to any voice reply of the candidate, ending the call, or re-matching the post for the candidate according to the capability of the candidate. According to the scheme of the invention, the condition that the call can be ended only after the whole template is completed does not exist, and other posts can be intelligently matched for the candidates under the condition that the candidates do not meet the requirements of the current post, so that the whole interaction process is more flexible, meaningless ...

ORGANIC ELECTROLUMINESCENT MATERIAL CONTAINING IRIDIUM, PREPARATION METHOD THEREOF AND ORGANIC ELECTROLUMINESCENT ELEMENT

Organic electroluminescent material containing iridium of the following general formula, in which R is C1-C8 alkyl, is provided. The preparation method of the above organic electroluminescent material containing iridium and the organic electroluminescent element using the above organic electroluminescent material containing iridium are also provided.

CONJUGATED POLYMER CONTAINING ISOINDIGO UNITS, PREPARATION METHOD AND USE THEREOF

A conjugated polymer containing isoindigo units is disclosed, which has the following structure: P: formula I; wherein, Ar is, formula II, formula III or formula IV; R1 is a C8-C20 alkyl; R2 is a C1-C12 alkyl; n is an integer of 2-50. The conjugated polymer containing isoindigo units of this type has good solubility and film-forming property, as well as high thermal stability. HOMO and LUMO energy level are regulated effectively; the absorption range is broaden; and the energy conversion efficiency is greatly improved. A preparation method for the above conjugated polymer containing isoindigo units and use thereof in related fields are also provided.

UNMANNED AERIAL VEHICLE AND PAN-TILT SHOCK-ABSORBING MECHANISM AND PAN-TILT ASSEMBLY THEREFOR

An unmanned aerial vehicle (10) and a pan-tilt shock-absorbing mechanism (30) and a pan-tilt assembly (20) therefor. The pan-tilt shock-absorbing mechanism (30) comprises a connecting frame (31), a shock-absorbing member (32) and an anti-detachment mechanism (33); the connecting frame (31) is configured to connect a pan-tilt (22) of the unmanned aerial vehicle; the shock-absorbing member (32) is connected to a body (11) of the unmanned aerial vehicle and the connecting frame (31) and generates, when the connecting frame (31) moves relative to the body (11) of the unmanned aerial vehicle, an elastic deformation to have a cushioning effect; the anti-detachment mechanism (33) is connected to the body (11) of the unmanned aerial vehicle and the connecting frame (31) to prevent, when the amount of movement of the connecting frame (31) relative to the body (11) of the unmanned aerial vehicle is greater than or equal to a threshold, the connecting frame (31) from continuing to move, so that when ...

AUTOMATICALLY STEERING CROSS-TRACK MORTAR VEHICLE CHASSIS AND MORTAR VEHICLE

An automatically steering cross-track mortar vehicle chassis comprises a frame (1), a control subassembly (4) and more than one wheel sets (2) fixed at the bottom of the frame. The wheel set comprises a traveling support (21), wheels (22), a steering subassembly (7) and a traveling driving subassembly. The traveling support is provided with more than one distance measuring sensors (23) used for detecting the distance between the wheel and the inner wall of a traveling track. The control subassembly receives a distance signal collected by the distance measuring sensors and outputs the control signal to the steering subassembly after judging whether the state is safe according to the distance signal. A mortar vehicle comprises the above mentioned mortar vehicle chassis and a mortar upper unit installed on the mortar vehicle chassis. The mortar vehicle chassis and the mortar vehicle provide the following advantages: simple and compact structure, low cost, wide applicable scope, ensured walking ...

POLYMERIC ELECTROLUMINESCENT DEVICE AND METHOD FOR PREPARING SAME

The present invention relates to a polymeric electroluminescent device and a method for preparing the same. The device comprises a conductive anode substrate, a hole injecting layer, a hole transportation layer, an electron barrier layer, a light-emitting layer, an electron transportation layer, an electron injecting layer and a cathode laminated in succession, and the material for the electron barrier layer is one selected from lithium fluoride, lithium carbonate, lithium oxide and lithium chloride. By preparing lithium compound as an inorganic electron barrier layer, the polymeric electroluminescent device is made of cheap materials which are easily obtainable, and most importantly has a low work function of approximately 2.0eV, which can form a transition potential barrier of approximately 1.0eV with the light-emitting layer and can limit the recombination of electrons and holes as far as possible, thereby increasing the recombination possibility of excitons and in turn improving the ...

Industrial wireless sensor network coexistence scheduling method based on DQN

The invention relates to an industrial wireless sensor network, in particular to a DQN-based coexistence scheduling method for the industrial wireless sensor network, which comprises the following steps of: modeling the coexistence problem of the industrial wireless sensor network into a Markov decision process aiming at the coexistence scene of the industrial wireless sensor network and various wireless networks; and meanwhile, a scheduling optimization target is set to minimize the weighted sum of data information freshness in the network. The DQN dynamic real-time scheduling method based on the recurrent neural network is invented by utilizing the autonomous learning characteristic of deep reinforcement learning and the memorability of the recurrent neural network, and according to the method, the optimal decision is made by utilizing the recurrent neural network at the beginning of each time slot, so that the coexistence purpose is achieved. According to the scheduling method provided ...

Method for stabilizing aluminum-lithium alloy powder through organic matter coating

The invention discloses a method for stabilizing aluminum-lithium alloy powder through organic matter coating, and relates to the technical field of metal powder material preparation. The invention aims to solve the problem that the content of active aluminum and lithium components is reduced due to the fact that the inner surface and the outer surface of the existing aluminum and lithium alloy powder contain more metal lithium, the activity is higher, the existing aluminum and lithium alloy powder is extremely easy to oxidize in air, and the aluminum and lithium alloy powder is extremely easy to react with water. According to the invention, the aluminum-lithium alloy powder is coated and stabilized by adopting the organic acid or the wax organic matter, a layer of aluminum carboxylate (or a lithium carboxylate film) or a waxy coating layer is formed on the surface of the alloy powder, and the formed film layer is compact, so that the contact between the aluminum-lithium alloy powder and ...

PREPARATION METHOD FOR HIGH OPTICAL INDOXACARB INTERMEDIATE

The present invention relates to the field of asymmetric catalytic synthesis, and in particular to a preparation method for a high optical indoxacarb intermediate. The present invention comprises reacting 5-chloro-2-methoxycarbonyl-1-indanone ester (or indanone ester for short) with an oxidizing agent in the presence of a chiral Zr-salen polymer to obtain an indoxacarb intermediate (2S)-5-chloro-2,3-dihydro-2-hydroxy-1-oxo-1H-indole-2-carboxylic acid methyl ester. The yield is stabilized between 86% and 90%, and the S material content is up to 99%. Such catalyst can replace catalysts such as cinchonine, and greatly increase the content of the effective S material of the indoxacarb, so that the content of the hydroxyl intermediate S material of the indoxacarb is raised from 75% to 99% or more. In addition, the chiral Zr-salen polymer catalyst is recycled without retreatment, and can be recycled at least 5 times or more, greatly reducing the production cost and laying a foundation for the ...

TRIPOD-HEAD SHOCK-ABSORBING DEVICE AND PHOTOGRAPHING DEVICE

Provided is a tripod-head shock-absorbing device, comprising a shock-absorbing panel (10) used for connecting to a tripod head (200), and a main-body frame (20) connected to the shock-absorbing panel (10); the shock-absorbing panel (10) comprises a fixing part (11) fixedly connected to said tripod head (200) and three support arms (12) extending outwardly from the fixing part (11); the free end of each of said support arms (12) is provided with a mounting end (13), and the three mounting ends (13) are arranged in a triangle shape; the main-body frame (20) is provided with three mounting parts (21) fitted to the three mounting ends (13); by means of the fitting between the support-arm mounting ends (13) and the mounting parts (21) of the main-body frame, the shock-absorbing panel (10) is connected to the main-body frame (20); the shock-absorbing panel (10) is such that a shock-absorbing mounting structure is formed between the tripod head (200) and the main-body frame (20); thus the entire ...

OPERATING MECHANISM OF DIRECT-ACTING THREE-POSITION ISOLATION SWITCH

An operating mechanism of a direct-acting three-position isolation switch comprising a driving shaft A (10), a driving shaft B (11), and a driving shaft C (12) which are arranged in parallel. A chain wheel A (7), a chain wheel B (6), and a chain wheel C (8) are arranged on the driving shaft A (10), the driving shaft B (11), and the driving shaft C (12) respectively. The driving shaft A (10), the driving shaft B (11), and the driving shaft C (12) are linked with one another through transmission chains (9). The operating mechanism also comprises a driving motor (1). A transmission gear set is arranged between an output shaft of the driving motor (1) and the driving shaft B (11). The operating mechanism requires fewer transmission parts, has a low cost, a simple structure, and a light weight, and protects the three-position switch.

Novel multi -functional individual layer plastic packaging case

... 本实用新型公开了种新型多功能单层塑料包装箱，包装箱包括箱体、箱盖、橡胶圈、提手和塑料锁扣装置。该包装箱设计为上下分体扣合，利用两个长侧壁的四个塑料锁扣装置将箱体和箱盖锁合到起，对橡胶圈施压使其产生形变，使箱体、箱盖口部扣合处紧密结合阻止外部雨水及灰尘进入。该包装箱短侧壁分别设有提手，用于单箱搬运。该包装箱底部设有叉运结构，方便机械搬运。该包装箱的箱体和箱盖设计了互相配合的条形堆码定位结构，使码垛定位快捷准确，并实现贮存过程的堆码稳定。 ...

Draw in formula bulk material discharging device in

... 本实用新型涉及散装物料输送设备，具体是一种收拢式散装物料出料装置，具有出料口，出料口上端连接有输料装置，所述出料口下端通过帆布管软连接有出料头，出料头外壁设有挂环和用于启停输料装置的控制开关，所述出料口的外壁上设有与挂环配合使用的挂钩；本实用新型结构巧妙、操作便捷，可大大提高灌装效率，也可减少散装物料灌装时对环境的“粉尘”污染，具有良好的应用价值。 ...

In LTE TDD system is notified in the UL/DL configuration

... 种用于在长期演进(LTE)网络中配置用户设备(UE)的时分双工(TDD)上行链路／下行链路(UL／DL)分配的方法，包括：在物理信道上从LTE网络中的增强NodeB接收指示符，所述指示符标识所述UE的TDD配置；以及根据TDD配置来自动更新UE的TDD UL／DL分配。 ...

Femtosecond laser processing method for special-shaped air film holes with complex expansion openings

The invention relates to the field of laser processing, in particular to a femtosecond laser processing method for a special-shaped gas film hole with a complex expansion port, which comprises the following steps: S1, parametric modeling of the special-shaped gas film hole with the complex expansion port; s2, spiral line rotary cutting machining is carried out on the inclined hole part of the special-shaped air film hole with the complex expansion opening; s3, the expansion opening part of the special-shaped gas film hole with the complex expansion opening is machined through laser scanning; and S4, machining precision detection and machining quality detection are conducted on the machined special-shaped air film hole with the complex expansion opening. The femtosecond laser machining method for the special-shaped air film hole with the complex expansion opening can be achieved, so that application of the novel cooling air film hole to an aero-engine turbine blade is promoted, the air film ...

Hydrogenation pretreatment method

The invention discloses a hydrogenation pretreatment method, which is characterized in that N hydrotreating catalyst bed layers are arranged along the flow direction of a material flow, N is an integer of more than 2, preferably an integer of more than 3, further preferably N is 3-5, and further preferably N is 3, the hydrogen consumption peak top temperature (DEG C) of the hydrotreating catalyst H2-TPR filled in the first hydrotreating catalyst bed layer is higher than the hydrogen consumption peak top temperature of the hydrotreating catalyst H2-TPR filled in the Nth hydrotreating catalyst bed layer. The method can improve the total desulfurization and denitrification performance of the hydrotreating reactor, and can be suitable for the hydrotreating process of various distillates.

MIXING TUBE AND EXHAUST GAS TREATMENT DEVICE THEREOF

A mixing tube (24) has a hollow structure. An airflow inlet is formed on one end of the mixing tube (24) and another end of the mixing tube is blocked; an end surface of the mixing tube (24) is in a spiral shape, and an airflow outlet extending axially is provided on an outer wall of the mixing tube (24) so as to form an air discharging vortex. Also disclosed is an air discharging processing device having the mixing tube; the mixing tube and the air discharging processing device increase a travelling distance of the airflow in a limited space, increasing a distance for evaporation of urea drops, improving the evaporation rate and mixing uniformity, thus reducing the risk of urea crystallization.

DDOS ATTACK DETECTION AND MITIGATION METHOD FOR INDUSTRIAL SDN NETWORK

The present invention relates to a DDoS attack detection and mitigation method for an industrial SDN network, and belongs to the field of network security. According to the method, by means of the cooperation between an east-west interface of an SDN controller in an industrial backhaul network and a system manager of an industrial access network, in conjunction with the features of the industrial backhaul network and an industrial access network data packet, a flow entry matching field of an OpenFlow switch is extended, and a flow table 0 is set to be a "flow table dedicated to DDoS attack mitigation" for defending against an attacking data flow in a timely manner. By using the SDN controller of an industrial backhaul network and a DDoS attack detection and mitigation system, an attacking data flow is identified and a DDoS attack source is found, and the policy of mitigating a DDoS attack is implemented by means of scheduling a system manager of the industrial access network. According ...

MULTI-ELEMENTS-DOPED ZINC OXIDE FILM, MANUFACTURING METHOD AND APPLICATION THEREOF

The invention relates to the semiconductor material manufacturing technical field. A multi-elements-doped zinc oxide film as well as manufacturing method and application in photo-electric devices thereof are provided. The manufacturing method comprises the following steps: (1) mixing the powder of Ga2O3, Al2O3, SiO2 and ZnO according to the following percentage by mass: 0.5％~10 % of Ga2O3, 0.5%~5 % of Al2O3, 0.5％~1.5 % of SiO2, and the residue of ZnO; (2)sintering the powder mixture as target material; (3) putting the target material into a magnetic sputtering chamber, evacuating, setting-up work pressure of 0.2Pa~5Pa, introducing mixed gas of inert gas and hydrogen with a flow rate of 15sccm~25sccm, adopting a sputtering power of 40W~200W, and sputtering on the substrate to obtain the multi-elements-doped zinc oxide film.

CO-POLYMER OF 2,7-CARBAZOLE AND DITHIENYL THIAZOLOTHIAZOLE, AND METHOD FOR PREPARING SAME AND SOLAR BATTERY CONTAINING SAME

Provided are a co-polymer of formula (I) of 2,7-carbazole and dithienyl thiazolothiazole, a method for preparing same, and a solar battery containing same. The structural formula of the co-polymer of 2,7-carbazole and dithienyl thiazolothiazole is as shown by formula (I), wherein both R1 and R2 are C1-C20 alkyl groups, and n is an integer of 10-100. The co-polymer of the present invention has a novel structure, a good dissolving property, an excellent film-forming property, and a high energy conversion efficiency, and can be used as the material for a solar battery. Also provided are the method for preparing the co-polymer and the solar battery containing same. The preparation method uses raw materials widely available and has a simple synthesis route.

METHOD FOR TOUCHING TO ESTABLISH WIRELESS CONNECTION BETWEEN DEVICES, ELECTRONIC DEVICE, AND CHIP

The present application relates to the technical field of short-range communications, and provides a method for touching to establish a wireless connection between devices, an electronic device, and a chip. Upon detecting that a first electronic device gets close to or touches a second electronic device, the first electronic device can accelerate the scan, for example, the WiFi scanning frequency or the Bluetooth scanning duty ratio is increased, so that the first electronic device quickly discovers the second electronic device. At this time, the signal quality of a broadcast message of the second electronic device scanned by the first electronic device satisfies a preset condition, and the two devices can be triggered to quickly establish a WiFi connection, thereby achieving the effect of one-touch connection of the devices. According to the solution of the present application, the connection and service interactions between electronic devices can be quickly triggered to start without ...

Active heat dissipation sealed aviation chassis

The invention provides an active heat dissipation sealed aviation chassis. The active heat dissipation sealed aviation chassis comprises a top plate, a back plate, a right side plate, a bottom plate, a front panel assembly and a left side plate, the top plate, the back plate, the right side plate, the bottom plate, the front panel assembly and the left side plate are correspondingly connected to form a square closed box body, a plurality of functional plates are installed in the box body, an active heat dissipation device is installed on the top plate, an inter-plate connector is arranged on the back plate and connected with the functional plates, a connector is further installed on the left side plate, and the active heat dissipation device is installed on the back plate. And the connector is provided with an external port. The active cooling fan is placed outside the case by improving the case body structure of the case, so that the sealing performance in the case is guaranteed, the environment ...

Arsenic-containing waste liquid cleaning treatment device

The invention relates to the field of hazardous waste treatment, in particular to an arsenic-containing waste liquid cleaning treatment device which comprises a filter box, a treatment tank, a filter screen, a driving mechanism and a transmission mechanism, the top of the filter box is provided with an arsenic-containing waste liquid pipeline connector, and the filter screen is detachably connected into the filter box; the treatment tank is communicated with the filter box through a water conveying pipeline; a first water pump is arranged on the water conveying pipeline; a pressing plate and a filtering plate are movably assembled in the treatment tank, the filtering plate is located below the pressing plate, and the space between the filtering plate and the pressing plate is used for containing arsenic removal adsorption resin; a resin feeding opening, a resin discharging opening and a water discharging opening are formed in the side wall of the treatment tank, the water discharging opening ...

Self-adaptive control method and system for air inlet amount of compressor and medium

The invention discloses a self-adaptive control method and system for the air inlet amount of a compressor and a medium, and the method comprises the steps that a first signal is obtained, and the first signal is a pressure signal of air inlet of the compressor; performing preprocessing and fuzzification processing on the first signal in sequence to obtain a second signal; constructing a fuzzy neural network, and processing the second signal through the fuzzy neural network to obtain a third signal; the third signal acts on a compressor frequency converter, and the frequency converter outputs a control signal to control the rotating speed of a compressor motor under the action of the third signal; the method has the beneficial effects that the robustness of the system is enhanced by the built fuzzy neural network through the method of combining the neural network with the fuzzy control theory, stable operation of the compressor can be ensured under the working condition that the air inlet ...

Method and device for generating data display chart

The invention discloses a chart generation method and device for visually displaying a large amount of data, and the method comprises the steps: firstly setting a unified style according to a preset interface tone, then extracting common attributes of various chart types for parameter configuration, and finally carrying out the parameter configuration of unique attributes of the chart types needing to be realized. The effective configuration parameters are output as the configuration file to be stored, when new data are accessed to the same interface or different chart tools are replaced, and configuration is imported, chart drawing can be quickly effective, the unification and attractiveness of interface styles can be guaranteed, and the chart output efficiency is effectively improved.

Interface conversion device and method of propeller type wind measurement sensor

The invention discloses an interface conversion device and method for a propeller type wind measurement sensor. The device comprises a filter circuit, a shaping circuit, a single chip microcomputer, a signal conditioning circuit, a power supply unit and a relay. The single chip microcomputer comprises a CPU (Central Processing Unit), a program memory, a data memory, an interrupt system, an I/O (Input/Output) port, a clock circuit, a timer/counter, a D/A (Digital-to-Analog) converter, an SPI (Serial Peripheral Interface) bus and a serial port, and is used for processing the filtered wind speed signal or the shaped wind direction signal; and the signal conditioning circuit comprises a pulse signal conditioning circuit, a voltage signal conditioning circuit, a current signal conditioning circuit and a digital signal conditioning circuit, and is used for conditioning the pulse signal, the voltage signal, the current signal or the digital signal and then outputting the conditioned signal. According ...

Grading method of hydrotreating catalyst

The invention discloses a grading method of hydrotreating catalysts, the grading method is characterized in that M hydrotreating catalysts are filled along the flow direction of material flow, M is at least 2, preferably at least 3, further preferably 3-7, specifically, M can be 2, 3, 4 or 5, preferably 3, the molar concentration of nickel atoms on the surface of the Mth hydrotreating catalyst is higher than that of nickel atoms on the surface of the (M-1) th hydrotreating catalyst, and the average reaction temperature of the bed layer of the Mth hydrotreating catalyst is higher than that of the bed layer of the first hydrotreating catalyst. The method not only can improve the total denitrification performance of the hydrotreating reactor, but also can improve the aromatic hydrocarbon saturation performance of the catalyst system.

Three-axis addressing charging robot

The invention discloses a three-axis addressing charging robot, and belongs to the technical field of charging robots. The sliding bottom plate is arranged on the base in a sliding manner; the bottom of the lifting support is fixed on the sliding bottom plate; the movable support is fixed at the top of the lifting support; the charging mechanism comprises a charging gun and a pressing rod which are respectively arranged on the movable support; wherein the movable support is provided with a driving mechanism and a switching mechanism, and the switching mechanism is used for controlling the driving mechanism to drive the pressing rod or the charging mechanism to move towards a vehicle charging port.

Bearing rubber sleeve formula

The invention discloses a bearing rubber sleeve formula. The rubber composition is prepared from the following raw materials in parts by weight: 35 to 45 parts of smoke sheet rubber, 25 to 40 parts of butadiene-styrene rubber, 25 to 40 parts of high styrene resin, 5 to 8 parts of zinc oxide, 1.5 to 2.5 parts of stearic acid, 5 to 8 parts of C8 resin, 0.5 to 1.0 part of accelerant DM, 0.3 to 0.8 part of accelerant CZ, 70 to 100 parts of carbon black, 0.5 to 1.0 part of anti-aging agent 4020, 0.3 to 1.0 part of anti-aging agent RD, 1 to 1.5 parts of microcrystalline wax, 8 to 10 parts of aromatic oil, 5 to 8 parts of sulfur and 0.5 to 2 parts of coupling agent. The invention has the advantages of low input material cost, high hardness, large rigidity, good wear resistance, effective impact resistance after use, reduction of wear, small deformation, and guarantee of continuous use; the physical and mechanical properties meet the requirements of a bearing rubber strip product due to reasonable ...

PHARMACEUTICAL COMPOSITION CONTAINING SPHERICAL CLOPIDOGREL BISULPHATE CRYSTALLINE FORM I, AND PREPARATION METHOD FOR PHARMACEUTICAL COMPOSITION

Provided are a pharmaceutical composition containing spherical clopidogrel bisulphate crystalline form I, and a preparation method for the pharmaceutical composition. The powder properties of the pharmaceutical composition are beneficial for implementing a powder direct press process, and sticking does not occur during tableting. Also provided are a powder direct press clopidogrel bisulphate pill, and a preparation method therefor, the pill satisfying clinical medication requirements.

Airplane cleaning structure set device

The utility model discloses an airplane cleaning structure set device which comprises an electric control system, a gantry walking system, an AGV trolley, a spraying system, an automatic platform and a drying system, and the electric control system comprises a PLC control system, a servo transmission system, a system human-computer interface and an operation panel. Wherein the gantry walking system comprises a gantry, a movable mechanical arm, a telescopic arm, a servo motor and a sensor, the spraying system, the automatic platform and the drying system are all installed on the AGV, the spraying system is composed of a water pump, a water pipeline and a water spraying head, and the drying system is composed of a high-pressure fan, an air pipe and an air nozzle. According to the cleaning device, the control frequency converter is arranged to adjust the water pump and adjust the water outlet flow and pressure, so that the cleaning effect of the aircraft is better, the surface of the aircraft ...

Leveler and wheel limit device thereof

... 本实用新型提供了种平地机及其轮边装置。本实用新型提供的平地机的轮边装置包括：轮毂轴，所述轮毂轴的第端适于伸入到平地机的平衡箱内，所述轮毂轴的第二端设有用于安装轮辋的第法兰；和套设在所述轮毂轴上的单件式壳体，所述单件式壳体具有朝向所述平衡箱的第端和朝向所述轮辋的第二端。所述单件式壳体在其第端设有用于与所述平衡箱连接的第二法兰。所述单件式壳体在其第端通过第轴承支撑所述轮毂轴，并且在其第二端通过第二轴承支撑所述轮毂轴。根据本实用新型，通过将用于支撑轮毂轴的第轴承和第二轴承均安装在单件式壳体内，可以降低产品的加工及装配难度，进而降低成本。 ...

Method for enhancing combustion performance of blast furnace injection pulverized coal by mixing invalid vanadium-tungsten-titanium catalyst

The invention discloses a method for strengthening the combustion performance of blast furnace injection pulverized coal by mixing an invalid vanadium-tungsten-titanium catalyst, and belongs to the field of blast furnace pulverized coal injection. Failure vanadium-tungsten-titanium catalyst (a) particles are mixed with pulverized coal (b), the pulverized coal (b) is modified through the failure vanadium-tungsten-titanium catalyst (a) particles, modified injection pulverized coal (c) is obtained after the failure vanadium-tungsten-titanium catalyst (a) particles are mixed with the pulverized coal (b), and the combustion performance of the modified injection pulverized coal (c) is enhanced through the failure vanadium-tungsten-titanium catalyst (a) particles.

Coaxial terminal shielding structure of automobile connector

The invention belongs to the technical field of automobile connectors, and discloses an automobile connector coaxial terminal shielding structure which comprises a connecting line, a wiring end shielding shell is fixedly installed on the surface of one end of the connecting line, and a plug-in end shielding shell is movably connected to the end, away from the connecting line, of the wiring end shielding shell in a clamped mode. And a connecting antenna sheet extending to one end far away from the wiring end shielding shell is fixedly mounted in the middle of the matching end shielding shell. According to the terminal shielding shell head structure, a new shielding shell elastic piece structure is arranged, and the shielding shell elastic piece structure is arranged to be in front-back correspondence, end-to-end contact connection and multi-point touch control connection, so that the terminal shielding shell head structure has a guiding function and also plays a role in shielding signals ...

Method for detecting mechanical property of steel plate

The invention discloses a steel plate mechanical performance detection method, and relates to the technical field of steel plate performance detection. Obtaining a mechanical property value of the steel plate; taking the electromagnetic characteristic value as data input, taking the mechanical property value as data output, and constructing a neural network model; training the neural network model, and determining the neural network model; and acquiring the mechanical property value of the steel plate based on the neural network model and the electromagnetic characteristic value of the steel plate. According to the invention, based on an electromagnetic nondestructive testing technology, various mutually independent electromagnetic characteristics generated by different physical separation and effects are extracted, various parameters such as a microstructure and mechanical properties of a material can be reflected from different effect separation, and the mechanical properties of the material ...

Selective texturing method for SE battery

The invention relates to the technical field of solar cell manufacturing, and particularly discloses a selective texturing method of an SE cell. According to the selective texturing method of the SE battery provided by the invention, laser etching is performed on the heavily doped region of the silicon wafer before texturing, and the grain orientation of the heavily doped region is changed, so that the grain orientations of the contact region and the non-contact region of the silicon wafer are different, and the surfaces of the contact region and the non-contact region are different after texturing under the same texturing condition; the non-contact area forms a complete and orderly-arranged pyramid morphology, and the texture surface of the pyramid is compact, so that light trapping is facilitated, and the positive effect on improving the short-circuit current of the battery is achieved; and the contact area part forms a mixed texturing structure of the polished surface and the texturing ...

FLEXIBLE ORGANIC ELECTROLUMINESCENT DEVICE AND MANUFACTURING METHOD THEREOF

A flexible organic electroluminescent device and a manufacturing method thereof are provided. The device comprises a substrate (101), an anode layer (103), a hole-injecting layer (104), a hole-transporting layer (105), a light-emitting layer (106), an electron-transporting layer (107), an electron-injecting layer (108), and a cathode layer (109), which are stacked in order. The device further comprises a buffer layer (102) between the substrate (101) and the anode layer (103). The anode layer (103) is a multilayer composite structure, which comprises ZnS/Ag/MoO3. The bonding force between the anode layer (103) and the substrate (101) is enhanced by inserting buffer layer (102). The device has a good bending endurance performance, a stable luminous property and a high light emitting efficiency.

DETERMINISTIC SCHEDULING METHOD FOR WIA-PA NETWORK

The present invention belongs to the technical field of industrial wireless network communications, and relates to a deterministic scheduling method for a Wireless Networks for Industrial Automation-Process Automation (WIA-PA) network. According to the method, in a middle/small-scale WIA-PA network, by using a backtracking-based optimal deterministic scheduling method, a solution space tree for a scheduled data flow is established, and a scheduling solution can be obtained after all or part of the solution space tree is searched, so that an optimal success rate of scheduling can be obtained; and in a large-scale WIA-PA network, by using a sub-optimal deterministic scheduling method based on prioritizing a minimum time margin, a time margin of each timeslot is calculated for each data flow, and a scheduling priority is arranged according to a time margin, so that a scheduling solution can be obtained within a short time with a high success rate. The deterministic scheduling method provided ...

Subway encloses purlin structure

... 本实用新型的目的是提供一种地铁围檩结构。本实用新型的技术方案为：包括多个基础横向支撑块、多个围檩支撑柱、多个纵向支撑块和多个壁面支撑结构，每个围檩支撑柱是由多个支撑柱分管组成，每个支撑柱分管的两端设有连接兰盘，每个纵向支撑块上还设有两个脚手架搭建支柱，每套壁面支撑结构是由横向支撑块、工作台、护网和攀登梯组成。该围檩结构是一个多分段、多框架式金属结构，结构简单、组装方便、主要用于地铁建设中前期挖掘时，对坑洞两边的墙壁起到更加稳固和方便施工人员进行作业的围檩结构，取代了吊装式作业，作业时的安全系数更高、工作效率更高、稳定性更佳，从而对施工人员进行了很好的保护作用。 ...