ALUMINOSILICATE GLASS COMPOSITION, ALUMINOSILICATE GLASS, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF

An aluminosilicate glass composition, aluminosilicate glass, and a preparation method therefor and an application thereof. By using the total molar amount of the aluminosilicate glass composition as a baseline, in oxides, the aluminosilicate glass composition comprises 67‑74 mol% of SiO2, 10‑15 mol% of Al2O3, 0‑5 mol% of2O3, 1‑10 mol% of MgO, 1‑10 mol% of CaO, 0-3 mol% of SrO, 2-8 mol% of BaO, 0.1-4 mol% of ZnO, 0.1-4 mol% of RE2O3, and less than 0.05 mol% of R2O, wherein RE is a rare earth element and R is an alkali metal.

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Black vinegar solution near infrared spectrum wavelength selection method based on four-step strategy selection

The invention discloses a black vinegar solution near infrared spectrum wavelength selection method based on four-step strategy selection, and belongs to the technical field of analytical chemistry and explosive online detection. The method comprises the following steps: carrying out near infrared spectrum pretreatment on a collected black vinegar solution, and determining the urotropine concentration corresponding to a near infrared spectrum curve of the black vinegar solution by adopting a chemical analysis method; carrying out characteristic wavelength selection on the preprocessed spectrum by using an uninformative variable elimination method to obtain a characteristic wavelength set S1; screening the wavelength variables in the set S1 by using a difference algorithm to obtain a characteristic wavelength set S2; screening wavelength variables in the set S2 based on the difference algorithm by using a cuckoo algorithm to obtain a characteristic wavelength set S3; and wavelength variables ...

Wave channel configuration method and device and storage medium

The invention provides a channel configuration method and device and a storage medium, relates to the field of communication, and is used for improving the utilization rate of a channel transmission signal. The method comprises: obtaining a first optical signal to noise ratio, the first optical signal to noise ratio being a signal to noise ratio corresponding to a wavelength division multiplexing system, the wavelength division multiplexing system comprising a plurality of preset wave channels; and determining first configuration information from a plurality of pieces of preset configuration information based on the first optical signal-to-noise ratio. Wherein each piece of preset configuration information comprises a first preset optical signal-to-noise ratio and a second preset optical signal-to-noise ratio. And configuring a plurality of reference wave channels according to the first configuration information to obtain a plurality of first reference wave channels. And obtaining the optical ...

METHOD AND SYSTEM FOR NETWORK ACCESS CONTROL

Disclosed are a method and system for network access control. After a visitor makes an access request, an access controller in a target network processes the access request and initiates an authentication request for the identity of the visitor to an authentication server via the visitor; the access controller in the target network completes the authentication for the identity of the visitor according to the publishable authentication results of the authentication server forwarded by the visitor, and performs authorization management for the visitor with successful authentication according to authorization strategies. Thus the problem in the prior art that access control cannot be implemented caused when an access controller cannot directly use the authentication services provided by an authentication server is solved, and the requirements of practical application are satisfied.

METER GAUGE POWER BOGIE AND A METER GAUGE VEHICLE

Provided are a meter gauge power bogie and a meter gauge vehicle, the meter gauge power bogie comprising two wheel pairs arranged in the longitudinal direction of a vehicle body, a framework arranged on the wheel pairs and a driving device, wherein the wheel pairs comprise axles extending in the width direction of the vehicle body and wheels mounted on the axles in a pressing manner; a rolling axle suspension tube arranged around the axle is arranged in the driving device, a traction electric motor is arranged at the front side or the rear side of the rolling axle suspension tube, a gear box is arranged between the same ends of the traction electric motor and the rolling axle suspension tube and the corresponding wheel, and the rolling axle suspension tube, the shell of the traction electric motor and the box body of the gear box are fixedly connected in pairs, such that the rolling axle suspension tube, the traction electric motor and the gear box form a whole which can be connected with ...

Carbon fiber wire fastener that continues

... 本申请公开了一种碳纤维导线接续线夹，该接续线夹包括外层铝导线接续条、填充层、碳芯接续条和碳芯端头保护帽；其中，碳芯端头保护帽套在碳芯端部，碳芯接续条缠绕包覆在待接续的两根导线的外端露出的碳芯上；填充层缠绕包覆在碳芯接续条的外侧；外层铝导线接续条缠绕包覆在填充层的外侧，外层铝导线接续条的长度大于待接续的两根导线的外端露出的碳芯的总长度，外层铝导线接续条的两端部分别缠绕包覆在待接续的两根导线外端的外层铝导线上。本申请接续线夹安装方便、接触面大、可以恢复导线不小于95%的拉断力和不小于100%的导线性能。 ...

Commercial concrete quality fine control system

The invention relates to a commercial concrete quality fine control system, and the system comprises a project management module which obtains the project information of a target project, and determines the type of concrete based on the project information; the mix proportion management module is used for acquiring target mix proportion information from a preset mix proportion database based on the concrete category; the raw material management module acquires target raw material information based on the target mix proportion information, performs quality detection on the current raw material based on the target raw material information, and acquires first detection information; the quality management module is used for performing quality detection on the commercial concrete after the commercial concrete is prepared based on the first detection information and the target mix proportion information to obtain second detection information; and the comprehensive management module obtains a ...

Transmission line connects protection device

... 一种输电线路接头保护装置，包括两个绝缘壳，绝缘壳为一端开口的筒状，绝缘壳的开口端相对，绝缘壳的封闭端开设通孔，绝缘壳上设置固定耳，两个绝缘壳的固定耳之间设置固定栓，固定栓的两端设置固定螺母。本实用新型中，两端输电线分别伸入至对应的绝缘壳内，在绝缘壳连接形成接头，再通过螺栓将两个绝缘壳配合连接。本实用新型有效提高安全性，能够长期存放。 ...

Chain oil immersion equipment for chain production

The invention relates to the technical field of chain production, in particular to chain oil immersion equipment for chain production, which comprises an oil tank, a material passing plate, a driving motor, a driving rod, a driving chain wheel, a diffusion mechanism, a simulation impact mechanism and the like, a material passing plate is connected into the oil containing box, a driving motor is connected to the right front portion of the oil containing box, a driving rod is rotatably connected to the right lower portion of the oil containing box and connected with an output shaft of the driving motor, driving chain wheels are connected to the front portion and the rear portion of the driving rod, and the lower portions of the driving chain wheels extend into the material passing plate. A simulation impact mechanism used for impacting the stretched chain is arranged between the oil containing box and the material passing plate. The diffusion plate slides up and down to stir lubricating oil ...

High-precision broadband three-port isolation amplifier based on mixing technology

The invention discloses a high-precision broadband three-port isolation amplifier based on a mixing technology. The high-precision broadband three-port isolation amplifier is connected with the two ends of primary coils of a power transformer T2 and a power transformer T3 through the output end of an oscillator; two ends of a secondary coil of the power transformer T2 are connected with an input end of an input power supply; two ends of a secondary coil of the power transformer T3 are connected with an input end of an output power supply; the output end of the modulator is connected with the two ends of a primary coil of the signal transformer T1, the input end of the demodulator is connected with the two ends of a secondary coil of the signal transformer T1, the isolation amplifier has a three-port isolation design, input, output and a power source are independent, and isolation of the three ports is completed at the same time; signals and a power supply are completely isolated through ...

Fan is used in processing of novel petrochemical industry convenient to adjust

... 便于调节的新型石化加工用风机。本产品其组成包括:容器，所述的容器开有前弧形送风口和后弧形送风口，所述的前弧形送风口连接上前弧形限位板和下前弧形限位板，所述的上前弧形限位板与所述的下前弧形限位板的横截面均为L形，所述的上前弧形限位板与所述的下前弧形限位板相对设置，所述的上前弧形限位板与所述的下前弧形限位板之间插入弧形前封堵板；所述的后弧形送风口连接上后弧形限位板和下后弧形限位板，所述的上后弧形限位板与所述的下后弧形限位板的横截面均为L形，所述的上后弧形限位板与所述的下后弧形限位板相对设置，所述的上后弧形限位板与所述的下后弧形限位板之间插入弧形后封堵板；所述的前弧形送风口与所述的后弧形送风口均连接风机固定件，所述的风机固定件连接风机。本实用新型用于固定石化加工用风机。 ...

Double-frequency common-caliber composite antenna

The invention relates to a double-frequency common-caliber composite antenna, belongs to the technical field of antennas, and solves the problems of low radiation efficiency, narrow bandwidth and large size of a composite antenna in the prior art. The double-frequency common-caliber composite antenna comprises an X-frequency-band metal oscillator antenna and a Ka-frequency-band waveguide slot antenna, the X-frequency-band metal oscillator antenna and the Ka-frequency-band waveguide slot antenna are stacked in sequence from top to bottom, and the wavelength ratio of the X-frequency-band metal oscillator antenna to the Ka-frequency-band waveguide slot antenna is 1: 4. The dual-frequency common-caliber composite antenna adopts a common-caliber composite form, greatly saves the design space, realizes dual-frequency combination, and has the characteristics of wide band, dual frequency and high radiation efficiency.

Automatic temperature control device and method for gypsum board forming water

The invention discloses an automatic temperature control device and method for gypsum board forming water, and the device comprises a cold water conveying pipeline, a hot water conveying pipeline, and a mixed water conveying pipeline. The water outlet end of the cold water conveying pipeline and the water outlet end of the hot water conveying pipeline are both connected with the water inlet end of the mixed water conveying pipeline. The output end of the mixed water conveying pipeline is connected with a gypsum slurry mixing machine; the automatic temperature control device further comprises an adjusting valve arranged on the hot water conveying pipeline and a control device connected with the adjusting valve.

COMPOSITION FOR GLASS, AND ALUMINOSILICATE GLASS AND PREPARATION METHOD THEREFOR AND USE THEREOF

A composition for glass, and an aluminosilicate glass and a preparation method therefor and use thereof. The composition for glass comprises, in terms of oxides, 62-69 mol% of SiO2, 11-15 mol% of Al2O3, 0-3 mol% of B2O3, 7-11 mol% of MgO, 2-8 mol% of CaO, 3-8 mol% of SrO, 0-2 mol% of BaO, 0.01-2 mol% of ZnO, 0.02-0.65 mol% of RE2O3, and less than 0.05 mol% of R2O; RE is a rare earth element, and R is an alkali metal.

Transportation system

The invention relates to the field of torpedo ladles, in particular to a transportation system. Comprising a capping unit arranged in an iron tapping area, an uncovering unit arranged in an iron receiving area, and a torpedo ladle unit arranged between the iron tapping area and the iron receiving area and used for conveying molten iron. The torpedo tank unit comprises an existing torpedo tank car and a covering and hoisting tank cover. The hoisting tank cover detachably covers the torpedo tank car; the invention provides a covering and uncovering mode suitable for a large torpedo ladle.

MUTANT HUMAN FGF21 AND PREPARATION METHOD AND USE THEREOF

Provided are a mutant human fibroblast growth factor 21 (FGF21), an encoding gene thereof, a method for preparing the mutant, and a method for treating type 2 diabetes, obesity, dyslipidemia, or a metabolic disorder.

PRODUCTION METHOD OF FLAME RETARDANT AND ENVIRONMENT-FRIENDLY TPU LEATHER FOR OUTDOORS

The present invention relates to a production method of flame retardant and environment-friendly TPU leather for outdoors. The production method comprises the steps of: mixing a flame retardant agent and a water-soluble adhesive into slurry; immersing a base cloth in the slurry and then taking out the base cloth, carrying out drying treatment, and producing a flame retardant base cloth layer; fusing and mixing TPU, a coloring agent and a flame retardant agent uniformly, pressing into a thin sheet, and producing a flame retardant TPU layer; laminating the flame retardant base cloth layer and the flame retardant TPU layer together; and carrying out outer surface treatment on the product. The production method of the flame retardant and environment-friendly TPU leather for outdoors is simple in process, capable of saving energy and labor greatly, and prevents the generation of solvent waste during production process with no pollution to environment. The TPU outdoor leather not only can meet ...

ALUMINOBOROSILICATE GLASS AND PREPARATION METHOD AND APPLICATION THEREOF

An aluminoborosilicate glass and a preparation method and application thereof. The composition of the glass comprises: 33-60 wt% of SiO2, 3-10 wt% of Al2O3, 10-30 wt% of B2O3, 1-15 wt% of ZnO + TiO2 + Sc2O3, and 7-27 wt% of a rare-earth metal oxide RO, based on the total weight of each component in the composition of the glass, wherein RO is at least one of MgO, CaO, SrO, and BaO, and 0.001 wt% ≤ Sc2O3 ≤ 1 wt%. The aluminoborosilicate glass has features of low density, high refractive index, low coefficient of thermal expansion, high thermal stability, high flexibility, easy to bend, etc.

METHOD AND SYSTEM FOR ACCESS CONTROL

A method and system for network access control on the basis of asymmetric cryptography mechanism are provided. After a visitor proposes an access request, an access controller in the destination network processes the access request, and the visitor initiates a request for authenticating the identity of the visitor to an authentication server. The access controller in the destination network accomplishes the authentication of the identity of the visitor on the basis of the releasable authentication result which is generated by the authentication server and forwarded by the visitor, and performs, according to the authorization policy, the authorization management of the visitor which has been successfully authenticated. The invention solves the problem that the access control can not be performed when the access controller can not directly use the authentication service provided by the authentication server, and satisfies the practical application requirement.

ALKALI-FREE GLASS SUBSTRATE AND PREPARATION METHOD THEREFOR

An alkali-free glass substrate and a preparation method therefor. The corrosion amount of the alkali-free glass substrate soaked for 20min in an HF solution with the concentration of 10 weight percentage is less than 5.5mg/cm2. Based on the total molar amount of each component in the composition, the alkali-free glass substrate comprises 70-74mol% of SiO2, 11-14mol% of Al2O3, 0-2.5mol% of ZnO, 10-17mol% of RO and 0.01-2mol% of RE2O3, RO being at least one of MgO, CaO, SRO and BaO, and RE2O3 being at least one of Y2O3, La2O3, Gd2O3, Ce2O3, Yb2O3 and Lu2O3. The preparation method comprises: mixing the components, and then sequentially carrying out melting, deaeration, homogenization, forming, cooling, cutting, polishing, washing and drying.

Electrical equipment box control circuit

The invention discloses a control circuit of an electrical equipment box. A circuit breaker, a grounding switch, an isolating switch, a voltage transformer, a current transformer, a fuse and a protective resistor in the electrical equipment box are organically connected. The connection sequence and the acquisition control logic of the control line meet the operation and control requirements of the train electrical switch, the circuit breaker and the grounding switch share one group of connectors for output, the isolating switch uses one group of connectors for output, and the voltage transformer, the current transformer, the protective resistor and the fuse share one group of connectors for output. The protective resistor is connected in parallel in a current transformer line, and the fuse is connected in series in a voltage transformer line. A complete set of electrical neural network is formed, the requirements of train control logic, signal acquisition and overvoltage and overcurrent ...

Design method of large-diameter high-temperature molten salt storage tank foundation in shallow bedrock area

The invention discloses a design method of a large-diameter high-temperature molten salt storage tank foundation in a shallow bedrock region. The foundation mainly comprises the following construction steps from bottom to top: replacing and filling a graded gravel cushion layer, burying a deep ventilation pipe at the top of a gravel top layer, mounting a steel ring wall, filling the steel ring wall with artificial ceramsite soil, burying a temperature detector in the ceramsite soil, and making a slope on a ceramsite soil top surface sand layer. The first state and the second state are comprehensively considered in the design of the steel ring wall. In the first state, a steel ring wall circumferential stress calculation formula is deduced according to stress analysis of the steel ring wall under the load of the upper storage tank. In the second state, a calculation model is established according to heat conduction analysis of the steel ring wall under soil constraint, and then a steel ring ...

NON-ALKALI ALUMINUM SILICATE GLASS, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF

A non-alkali aluminum silicate glass, a preparation method therefor and an application thereof. When the non-alkali aluminum silicate glass is at temperature of 1600°C, the electrical resistivity of the glass melt is less than or equal to 200 Ω·cm; when the viscosity of the glass is 35000 poises, the corresponding temperature T35000 is greater than or equal to 1250°C; when the viscosity of the non-alkali aluminum silicate glass is 1013 poises, the corresponding annealing point is greater than or equal to 790°C. Using the total molar amount of oxide as a basis, the non-alkali aluminum silicate glass contains 69-73 mol% of SiO2, 11-15 mol% of Al2O3, 0-2 mol% of B2O3, 2-8 mol% of MgO, 2-8 mol% of CaO, 0-3 mol% of SrO, 3-10 mol% of BaO, 0.1-2 mol% of ZnO, 0.02-0.7 mol% of RE2O3, 0.01-0.5 mol% of Se2O3 and less than 0.05 mol% of R2O, wherein RE is a rare earth element and R is an alkali metal.

Alkali liquor pipe cleaning device and method in aluminum oxide production process

The invention relates to the technical field of alkali liquor pipe cleaning in the aluminum oxide production process, and provides an alkali liquor pipe cleaning device and method in the aluminum oxide production process. The device comprises a centrifugal pump, an alkali liquor inlet pipe and an alkali liquor outlet pipe, wherein the alkali liquor inlet pipe and the alkali liquor outlet pipe are respectively communicated with a liquid inlet and a liquid outlet of the centrifugal pump and are respectively provided with a first valve and a second valve; the alkali liquor inlet pipe is sequentially connected with a cleaning liquid pipe and a return pipe between the first valve and the centrifugal pump, the other end of the cleaning liquid pipe is connected with a cleaning liquid source, the other end of the return pipe is communicated with the alkali liquor outlet pipe between the centrifugal pump and the second valve, one side, close to the alkali liquor inlet pipe, of the return pipe is ...

COMPOSITION FOR GLASS, ALKALI ALUMINOSILICATE GLASS, AND PREPARATION METHOD THEREFOR AND APPLICATIONS THEREOF

A composition for glass, alkali aluminosilicate glass, and a preparation method therefor and applications thereof. Based on the total number of moles of each component and the counting of oxides, the composition contains 68-73mol% of SiO2, 11.5-15mol% of Al2O3, 2-6mol% of MgO, 2.5-7.5mol% of CaO, 0-3mol% of SrO, 2-7mol% of BaO, 0-4mol% of ZnO and 0.05-1.5mol% of TiO2. The glass has a high strain point, a high Young's modulus, a high specific modulus, a high Vickers hardness, high chemical stability, a high refractive index and high glass formation stability, and has a lower forming temperature, a lower melting temperature, a lower thermal expansion coefficient, a lower surface tension, a lower density, and low glass manufacturing difficulty.

ASPHALT FOAMING SYSTEM

Disclosed is an asphalt foaming system, comprising an asphalt heating tank (1), a water storage tank (2), a foaming gun (3), an asphalt circulating apparatus (4), a water circulating apparatus (5) and a controller (6), wherein the asphalt heating tank (1) comprises an asphalt tank (11), a first temperature sensor (12) and an asphalt heating plate (13); the foaming gun (3) is provided with a foaming heating plate (33) and a second temperature sensor (34); the asphalt circulating apparatus (4) is arranged between the asphalt heating tank (1) and the foaming gun (3), and the water circulating apparatus (5) is arranged between the water storage tank (2) and the foaming gun (3); and the controller (6) is respectively connected to the first temperature sensor (12), the second temperature sensor (34), the asphalt circulating apparatus (4) and the water circulating apparatus (5), and controls the working of the asphalt circulating apparatus (4) and the water circulating apparatus (5) according ...

GLASS COMPOSITION, LOW INCLUSION CONTENT GLASS, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF

The present invention relates to the field of glass manufacturing, and disclosed thereby are a glass composition, a low inclusion content glass, a preparation method therefor and an application thereof. The composition contains 50-64 wt% of SiO2, 14-24 wt% of Al2O3, 0-7 wt% of B2O3+P2O5, 0.5-7 wt% of MgO, 1-10 wt% of CaO, 0-9 wt% of SrO, 0.1-14 wt% of BaO, 0.1-5 wt% of ZnO, 0.1-4 wt% of TiO2, 0.1-7 wt% of Y2O3+La2O3+Nd2O3, and <0.05 wt% of R2O, wherein R2O is the sum of Li2O, Na2O, and K2O, and the composition satisfies the following conditions: (1) the temperature T100 corresponding to a viscosity of 100 poise is 1730°C or higher; (2) the surface tension at 1300°C is lower than 420 mN/m. The glass prepared by the glass composition and the low inclusion content glass preparation method has the advantages of having low inclusion content, having a simple preparation process, being low cost and so on.

Large disc filter applied to tailing dehydration

The invention discloses a large disc filter applied to tailing dehydration. The large disc filter comprises a tank body, a central shaft, a filter disc assembly, a driving device, an end part matching head, an air blowing device, a liquid level detection device, a cleaning device and a scraper device, the central shaft is arranged in the middle of the tank body, the filter disc assemblies are respectively arranged on lantern rings of the central shaft, and the driving device drives the central shaft to rotate, so that the filter disc assemblies rotate in the tank body; the end matching heads are connected with the end matching pads at the two ends of the center shaft respectively, the air blowing device is connected with air blowing openings of the end matching heads, the liquid level detection device is installed on a pedal of the groove body, the cleaning device is arranged on the outer side of a rack of the groove body, and the scraper device is arranged on the side wall of a discharging ...

MEDIA FILE PROCESSING METHOD AND MOBILE TERMINAL

Disclosed are a media file processing method and mobile terminal, relating to the field of information processing and invented for improving the usage experience of the user regarding the mobile terminal. The method includes: when uploading a media file, acquiring target information about the media file; comparing the target information about the media file with the monitoring information in a preset database; if the target information about the media file is consistent with the monitoring information in the preset database, performing secure processing of the media file. The embodiments of the present invention are mainly used in various mobile terminals.

High-power tunnel lamp dimming driver

The utility model discloses a high-power tunnel lamp dimming driver, and specifically relates to the technical field of dimming drivers, the high-power tunnel lamp dimming driver comprises a box body and a driver main body, the box body is internally provided with a control mechanism, the control mechanism comprises an insulation block, the insulation block is internally provided with a control cabin, an electromagnet is embedded on the inner wall of the control cabin, and the electromagnet is embedded on the inner wall of the control cabin. A second spring and a switch are fixedly arranged on one side wall of the control cabin, and a movable column is arranged in the control cabin. By arranging the control mechanism, the first electrode plate at one end of the movable column is in contact with the second electrode plate by utilizing the change of air pressure in the air storage cabin, so that the speed of reverse movement of the movable column is delayed, if a vehicle passes through the ...

Wheat lodging area estimation method based on unmanned aerial vehicle image and deep learning

The invention relates to a wheat lodging area estimation method based on an unmanned aerial vehicle image and deep learning. The method comprises the following steps: collecting a wheat field image through an unmanned aerial vehicle; performing preprocessing and data enhancement; constructing a deep learning model, improving a Mask R-CNN model, performing evaluation by adopting evaluation indexes, and adjusting training parameters; inputting a to-be-evaluated wheat field image into the optimal Mask R-CNN model, wherein the optimal Mask R-CNN model outputs the number of lodging pixel points of wheat; and based on the number of the pixel points of wheat lodging and the actual area represented by a single pixel calculated by the calibration area, obtaining an estimation result of the actual area of wheat lodging. According to the method, the wheat lodging region is accurately identified and segmented, and the number of the pixel points of the lodging region is calculated, so that the area ...

COMPOSITION FOR GLASS, AND ALUMINOSILICATE GLASS, PREPARATION METHOD THEREFOR, AND USE THEREOF

A composition for glass, and aluminosilicate glass, preparation method therefor, and use thereof. In molar percentage, in the composition, the total content of SiO2, B2O3, P2O5, GeO2, and TeO2 is 60-85mol％; the total content of Al2O3 and Ga2O3 is 3-20mol％; the total content of ZnO and Y2O3 is 0.1-5mol％; the total content of alkaline earth metal oxide is 4-30mol％. The glass has a high strain point, a low melting temperature, and a high thermal expansion coefficient, has good toughness, and is suitable for large-scale industrial production.

Over-current protection circuit of brushless direct current motor driver

The invention provides an overcurrent protection circuit of a brushless direct current motor driver. The overcurrent protection circuit comprises a three-phase power bridge, an overcurrent protection circuit and a high-voltage driving circuit, the overcurrent protection circuit comprises a sampling circuit, an amplification part and a comparison part, one end of the sampling circuit is grounded, the other end of the sampling circuit is connected with a source electrode and the amplification part of the three-phase power bridge, the amplification part is connected with the comparison part, an input end of the comparison part is connected with an SD end of the high-voltage driving circuit, and an output end of the comparison part is connected with the three-phase power bridge; the overcurrent protection circuit has the characteristic of quick response, the response time from current sampling of the sampling resistor to overcurrent response turn-off output can be designed within 15 uS, short-circuit ...

Multi-core processor fault tolerance method based on twice information interaction in AMP mode

The invention relates to a multi-core processor fault tolerance method based on twice information interaction in an AMP mode, which is characterized in that a voting stage is designed during programming in the AMP mode, and an output priority sequence of processor cores is preset. And after entering the voting stage, through two times of voting and information exchange, fault core criteria are added, and the position of a fault core is identified more accurately. Each core can obtain processing results of other processor cores, and each core independently votes. The processing information is exchanged and voted for the first time so as to determine a correct output result and preliminarily judge a fault core. The judgment information is exchanged and voted for the second time to reach a consensus among the multiple cores: which core fails, which processor core should be on duty. And after the voting is completed, the processor core determined by the voting result is responsible for external ...

Seed long thick measuring apparatus and measuring method

... 籽粒长宽厚测量装置及测量方法，用于解决徒手进行种子籽粒长、宽、厚尺寸测量时测量精度差、工作效率低的问题。它包括底座、立柱、载物台、夹持总成、第尺寸板和放大总成，在底座顶部螺纹连接有立柱，在立柱的下部套有第安装块，在第安装块与立柱之间设有顶丝，在第安装块的侧面插接安装有载物台，在载物台的顶部设有滑槽，在滑槽中滑动安装有滑板；在滑板的顶部设有夹持籽粒的夹持总成；在夹持总成上设有第、第二激光灯，第、第二激光灯可发射不同颜色的光束；在载物台上方设有第尺寸板，第尺寸板上设有网状刻度线。在立柱上部设有可升降的放大总成。本发明可快速实现对籽粒长、宽尺寸的测量，且测量精度高、效率高。 ...

Atrial fibrillation identification method and device, storage medium and computer equipment

The embodiment of the invention discloses an atrial fibrillation detection method and device, a storage medium and computer equipment. The method comprises the steps that an ECG signal sequence with a preset length is received, and an ECG signal is preprocessed; determining the position of a QRS comprehensive wave based on the processed ECG signal; extracting multiple characteristic parameters according to the position of the QRS comprehensive wave; and identifying and classifying the multi-feature parameters based on a classifier. According to the method, the atrial fibrillation signals are detected and analyzed by simultaneously utilizing two characteristics of atrial fibrillation waveforms, namely irregular RR interval change and irregular and continuous high-frequency and low-amplitude fibrillation waves of base lines between cardiac cycles. Specifically, the change rule of an RR interval and related multi-feature parameter values of vibration waves are obtained by determining the position ...

A SEMI-DRY AND SEMI-SOLID CULTIVATION METHOD FOR INDUSTRIALIZED PRODUCTION OF MICROALGAE

A method for industrialized production of microalgae, comprising the steps of: first, inoculating microalgal cells onto the surface of a solid material, while keeping the cell population moist by supplementing with a liquid; then, adding an inorganic carbon source into the cell population under illuminated conditions; and furthermore, regulating the growth and metabolism of the microalgal cells by controlling parameters such as composition of the moisturizing liquid, intensity of illumination, and concentrations of the carbon source so as to attain accumulation of microalgal biomass and/or secondary metabolites. The method of the present invention reduces the volume and weight of the culture system, thus enabling use of large bioreactors, reduces equipment costs, increases efficiency of microalgal use of nutrients, light energy and carbon sources, and considerably increases yields of biomass and secondary metabolites per unit area.

多层广告板自动转换展示装置

The invention discloses a kind of automatic changing and exhibiting device for multi-layer advertisement board, it includes advertisement board, chain wheel, reducer, electrical machine, it also includes chain wheel pulling rope, frame, slideway, rope wheel, electromagnet, thrust device, electrical automatic control device. There at least have two advertisement boards. It is simple and convenient, it has a large capacity.

A material conveyor that is used for cement kiln to deal with in coordination flammable liquid hazardous waste

... 本实用新型涉及一种用于水泥窑协同处置可燃液态危险废物的物料输送装置。其位于吸风罩内，其包括物料存储装置、容器密封装置、保护气体发生装置、液体密封装置和废物处理装置；所述物料存储装置通过管路分别连通容器密封装置、液体密封装置和废物处理装置，每条管路均设有无火花泵送装置和自动开关阀门装置；所述物料存储装置还连通保护气体发生装置，其内自下而上能形成废液层、液体密封层和气体密封层；所述吸风罩的出风口连接气体处理装置。本实用新型所述的用于水泥窑协同处置可燃液态危险废物的物料输送装置具有安全稳定、均匀连续输送、输送过程中对焚烧处置设施影响小、提高单位时间焚烧处置量、规避对人员造成伤害的特点。 ...

Lightweight disease identification method

The invention relates to a lightweight disease identification method. The method comprises the following steps: acquiring a disease image data set; preprocessing an acquired disease original image; constructing a disease recognition lightweight module; constructing a disease classification and identification model; and inputting the training set into a disease classification and recognition model, training the disease classification and recognition model, inputting the test set into the trained disease classification and recognition model, and outputting a disease image recognition result. According to the invention, the disease recognition lightweight module is constructed for extracting disease classification feature information, then through three stages of sampling and feature processing, a disease feature map with rich information is obtained, and finally, final disease classification recognition information is obtained through the classification module; compared with a current disease ...

Utilize cement kiln to deal with conveyer of liquid hazardous waste of high heating value in coordination

... 本实用新型属于危险废物处理设备技术领域，具体来说，涉及一种利用水泥窑协同处置高热值液态危险废物的传送装置。其包括物料存储装置、容器密封装置、保护气体发生装置、液体密封装置和废物处理装置；所述物料存储装置通过管路分别连通容器密封装置、液体密封装置和废物处理装置，每条管路均设有无火花泵送装置和自动开关阀门装置；所述物料存储装置还连通保护气体发生装置，其内自下而上能形成废液层、液体密封层和气体密封层。与现有技术相比，本实用新型所述的利用水泥窑协同处置高热值液态危险废物的传送装置具有安全稳定、均匀连续传送、传送过程中对焚烧处置设施影响小、提高单位时间焚烧处置量、规避对人员造成伤害的特点。 ...

Electric connector

... 本发明公开种电连接器，包括：具有凹槽的主体、穿刺件、第锁紧件、第二锁紧件和挤压机构。在第电缆和第二电缆安装在凹槽中时，第电缆位于第锁紧件和穿刺件之间，第二电缆位于第二锁紧件和穿刺件之间；挤压机构被构造成向第锁紧件、第电缆、穿刺件、第二电缆和第二锁紧件施加预定挤压力，使得穿刺件的第和第二侧上的尖齿分别刺穿第和第二电缆的绝缘层并与第和第二电缆的导体电接触；并且第和第二锁紧件在预定挤压力的作用下分别与第电缆和第二电缆接合以防止第电缆和第二电缆从凹槽拉脱。本发明提供了种不同于现有技术的电连接器，其不仅能够实现电缆的可靠电连接，而且能够减少对电缆的损伤。 ...

Method, device and equipment for detecting T-wave position in electrocardiosignal and storage medium

The invention discloses a method, a device and equipment for detecting a T-wave position in an electrocardiosignal and a storage medium. The method comprises the following steps: carrying out interference removal processing on an input original electrocardiosignal; r-wave detection and target R-wave selection are carried out on the obtained interference-removed electrocardiosignal, and the heart rate is obtained according to the RR interval of the target R-wave; detecting and determining a Q wave starting point position and a J point position of a Q wave between the target R waves; carrying out P wave detection, and if P waves exist between the target R waves, obtaining a P wave starting point position of the P waves; if the P wave exists, a detection interval of a T wave located between the target R waves is determined according to the heart rate, the starting point position of the P wave and the position of the J point, and if the P wave does not exist, the detection interval of the T ...

ST segment identification method and device, equipment and storage medium

The embodiment of the invention discloses an ST segment identification method and device, equipment and a storage medium, and the method mainly comprises the steps: obtaining a to-be-detected target electrocardiosignal, dividing the cardiac cycle of the target electrocardiosignal based on the R-wave position of the target electrocardiosignal, and obtaining a target cardiac cycle; the method comprises the following steps: searching S waves and T waves on a target cardiac cycle to obtain an ST segment, obtaining an amplitude of the ST segment based on the ST segment, obtaining a reference point meeting a preset condition between P waves and Q waves on the target cardiac cycle, and judging whether the state of the ST segment is normal or not according to a difference value between the amplitude of the ST segment and the amplitude of the reference point. According to the method, the state of the ST segment can be judged on the basis of the actual electrocardio characteristics of the human body ...

BORON AND PHOSPHORUS-BASED BIOACTIVE GLASS AND PREPARATION METHOD THEREOF

Disclosed are a boron and phosphorus-based bioactive glass and a preparation method thereof. The method comprises the steps of preparing a boron-based glass by melt-quenching method, wherein the raw materials includes B2O3, MgO, CaO, Na2O, K2O和SrO and SrO in a mass ratio of (45-60):(2-10):(15-25):(3-10):(10-15):(1-8); and then impregnating in a solution containing phosphorus ions to yield a double-layer bioactive glass with a porous phosphate shell and a borate core. The degradation rate of the borate glass structure in an organism can be controlled, and the biocompatibility of the biological material can be improved by the porous shell; and therefore, the repairing speed of an injured body surface tissue is significantly increased.

Stay wire prefabricating equipment and method

The embodiment of the invention provides stay wire prefabricating equipment and method. The equipment comprises a stay wire prefabricating workbench and a hemp hoop tool. The stay wire prefabricating workbench comprises a workbench body, a bending stay wire device, a stay wire clamp supporting device, a pull rod device and a stay wire tensioning device. The hemp hoop tool is arranged between the bending stay wire device and the pull rod device, and the hemp hoop tool comprises an inner die assembly, an outer die assembly and a pressing rod assembly; the special assembly tool for manufacturing the stay wire is simple in structure, easy to manufacture, convenient to use and low in cost, and does not damage a zinc coating of an iron wire. The working efficiency and the technological level of stay wire manufacturing are greatly improved through development of the tool. The standard prefabrication processing platform for the stay wire is light, flexible, safe and reliable, and is a special tool ...

Flyback transformer winding method with extremely low leakage inductance

The invention discloses a flyback transformer winding method with extremely low leakage inductance, which is characterized in that a primary side winding leads out at the same layer and the same side, and a secondary side winding leads out at the same side and different layers, so that the loop area of a leading-out terminal is greatly reduced, a coil loop is more complete, the coupling degree of the primary side and the secondary side is enhanced, and the leakage inductance of a transformer can be reduced to an extremely low value; the primary side winding and the secondary side winding are wound on the magnetic core in a staggered and stacked mode, leakage inductance of the transformer is reduced, magnetic loss is reduced, and meanwhile copper loss and inter-turn stray capacitance cannot be increased.

Agricultural pest image recognition method based on convolutional neural network

The invention relates to an agricultural pest image recognition method based on a convolutional neural network. The method comprises the following steps: collecting crop pest images by using a camera; screening the collected crop pest images according to screening conditions; marking the screened crop pest images, and forming a data set by the marked crop pest images; establishing a pest identification model; and training a pest recognition model by adopting the training set to obtain a trained pest recognition model, and inputting a to-be-recognized pest image into the trained pest recognition model to obtain a recognition result. A convolutional neural network in a deep learning technology is applied to agricultural crop region extraction, the network is trained by using a collected agricultural crop image set, and finally the network can automatically identify the number and type of agricultural crop diseases and insect pests; according to the method, the detection and recognition rate ...

Storage battery charging circuit of ultra-low orbit microsatellite based on S4R power regulation technology

The invention discloses an ultra-low orbit microsatellite storage battery charging circuit based on an S4R power regulation technology. The ultra-low orbit microsatellite storage battery charging circuit comprises n power bus power supply units and (n-k + 1) storage battery charging units, wherein the output ends of the primary buses of the n power supply bus power supply units are connected with each other; the input end of the primary bus of (n-k + 1) power supply bus power supply units in the n power supply bus power supply units is connected with one end of the corresponding storage battery charging unit; the other end of each storage battery charging unit is connected with the lithium ion storage battery pack; k = 1, 2,..., n, and n is a positive integer. Voltage limiting and current limiting of the constant-current and constant-voltage charging process of the lithium ion storage battery are achieved directly through the S4R power adjusting circuit, the circuit design is simplified ...

Deep open malicious software family recognition model construction method

The invention discloses a deep open malicious software family recognition model construction method, which comprises the following steps: training a representation network and a classifier consisting of a plurality of dichotomy models at a moment t > = 1 based on a training sample of a known malicious software family set and a malicious software family recognition model at a moment t-1, obtaining a trained malicious software family recognition model at the t moment; at the moment t is greater than or equal to 2, inputting to-be-identified malicious software into the malicious software family identification model at the moment t-1, embedding the to-be-identified malicious software through the representation network, and predicting each binary classifier of the embedded representation input classifier; if each binary classifier detects the malicious software as a negative example, marking the malicious software as an unknown class, and performing family marking by a security analyst to obtain ...

Device and method for measuring percolation rate of radon gas in coal rock medium

The invention relates to the technical field of radon gas transmission experiments in overlying strata of a coal spontaneous combustion goaf. An experimental device for measuring the percolation rate of radon gas in a coal rock medium comprises a radon gas source generation system, a gas supply system, a transmission system and an acrylic experimental column filled with coal rock, wherein the acrylic experimental column is used for pressurizing the radon gas generated in the radon gas source generation system through the gas supply system and then inputting the radon gas into the transmission system; and radon gas concentrations corresponding to coal rocks with different heights of the acrylic experimental column are obtained. The invention further relates to a method for measuring the radon gas seepage rate in the coal rock medium through the device, and the radon gas seepage rate can be obtained through the radon gas concentration. The method solves the technical problem that the sensitivity ...

Novel high temperature resistant valve for petrochemical

... 新型耐高温石油化工用阀门。本产品其组成包括:阀体，所述的阀体的底部开有球冠形插槽，所述的阀体的顶部开有通孔，所述的通孔穿过阀杆，所述的阀杆包覆耐高温材料，所述的阀杆的底部连接球阀，所述的阀杆穿过阀帽，所述的阀帽连接阀杆保护套，所述的阀杆穿过所述的阀杆保护套，所述的阀杆的上部侧开有插槽，所述的插槽连接齿条，所述的齿条啮合齿轮，所述的齿轮连接横轴，所述的横轴连接旋转手轮，所述的齿轮、所述的横轴、所述的齿条均装在上阀体内，所述的横轴与所述的阀杆之间的夹角为90°，所述的阀体的内部及所述的球阀的表面均连接耐高温材料层。本实用新型用于控制耐高温石油化工管道。 ...

Companion's thermal system through GPRS transmitting data

... 本实用新型提供了一种通过GPRS传输数据的伴热系统，包括相互连接的伴热现场数据采集模块、服务器和远程监控终端，所述伴热现场数据采集模块包括数据采集部分、数据转化部分和数据传输部分，所述数据采集部分包括电流数据采集部分和电压数据采集部分，所述数据转化部分包括MCU及其外围电路；所述数据传输部分包括gprs数据传输模块，所述gprs数据传输模块输入端通过RS485通讯接口与MCU连接。本实用新型具有以下优势：由于采用上述技术方案，解决了伴热系统中闭环控制中的盲目性，单纯的温控器控制无法将数据以及异常数据得以传输到云平台或服务器，对异常情况难以实时解决，减少了人工操作成本，数据更为准确，时效性。 ...

Optical signal transmission method and device and storage medium

The invention provides an optical signal transmission method and device and a storage medium, relates to the field of communication, and is used for ensuring the integrity of optical signals. The method is applied to the controller. The method comprises the steps that a target gain value of a target optical signal and a plurality of first gain ranges of a target amplifier are acquired, the target amplifier comprises a plurality of preset transmission paths, and one first gain range corresponds to one preset transmission path; and determining a second gain range from the plurality of first gain ranges according to the target gain value, the second gain range comprising the target gain value. And determining a target transmission path from the plurality of preset transmission paths, wherein the target transmission path is a preset transmission path corresponding to the second gain range. And sending a transmission instruction to the target amplifier, wherein the transmission instruction is ...

Novel pipeline adjusting valve is used in petrochemical industry processing

... 种新型石化加工用管道调节阀门。本产品其组成包括:出口腔体，出口腔体连接封口板，封口板连接入口腔体，封口板开有通液口，通液口插入旋转控制阀，旋转控制阀包括封堵液阀，封堵液阀的底部连接圆台形副阀，圆台形副阀装在出口腔体内，封堵液阀开有插孔，插孔的左侧连接左弧形插槽，插孔的右侧连接右弧形插槽，插孔插入螺纹阀杆的底部，螺纹阀杆的底部左侧连接左弧形弹性插板，螺纹阀杆的底部右侧连接右弧形弹性插板，左弧形弹性插板插入左弧形插槽内固定，右弧形弹性插板插入右弧形插槽内固定，插孔的顶部具有内螺纹，螺纹阀杆连接紧固螺帽，紧固螺帽连接插孔，螺纹阀杆连接旋转控液法兰。本实用新型用于石化加工用管道调节。 ...

Wheat ear detection and counting method based on YOLOv5 improvement

The invention relates to a wheat ear detection counting method based on YOLOv5 improvement, and the method comprises the steps: obtaining wheat ear images, and carrying out the preprocessing of the images, and obtaining a wheat ear image data set; constructing a wheat ear detection and identification model; a convolution attention module and a weighted feature fusion module are added into the wheat ear detection and recognition model; inputting the training set into an improved wheat ear detection and recognition model for training; and obtaining a to-be-identified wheat ear image, and inputting the to-be-identified wheat ear image into the trained wheat ear detection and identification model to obtain a wheat ear image detection counting result. The improved wheat ear detection and recognition model is adopted, the detection result of the improved wheat ear detection and recognition model is good, and the wheat detection accuracy of the improved wheat ear detection and recognition model ...

Composite explosive with high thermal safety and preparation method thereof

The invention discloses a high thermal safety composite explosive and a preparation method thereof, the high thermal safety composite explosive comprises molding powder, the molding powder has a three-layer core-shell structure, the three-layer core-shell structure comprises an inner core structure, a second-layer core-shell structure and a third-layer core-shell structure from inside to outside, and the inner core structure comprises 85-95% by weight of a single-compound explosive and 2-4% by weight of a binder; the second-layer core-shell structure comprises 3%-8% of a thermal safety type sensitizer, and the third-layer core-shell structure comprises 1%-5% of a thermal safety type gas displacer. According to the high-thermal-safety composite explosive and the preparation method thereof, the safety of the composite explosive under thermal stimulation conditions such as fire disasters and high temperature can be effectively improved, and the viability of ammunition under complex battlefield ...

System safety inspection method and related device

The invention discloses a system safety inspection method and a related device, and the method comprises the steps: obtaining basic safety information of a target system, and carrying out the preprocessing of the basic safety information; generating an inspection route based on the preprocessed basic safety information; obtaining a current safety mode and updating the inspection route according to the current safety mode; performing safety inspection on the target system according to the current inspection route and obtaining an inspection result; judging the inspection validity in combination with the current safety mode and the inspection result; if yes, generating an inspection report according to the inspection result; if so, determining an inspection vulnerability and generating a second inspection route according to the inspection vulnerability; the technical effect of carrying out safety inspection on the system according to the current safety mode is achieved. And the rationality ...

ECG heart beat acquisition method and device and electronic equipment

The embodiment of the invention discloses an ECG heart beat acquisition method and device and electronic equipment, which are used for accurately and simply acquiring an ECG heart beat signal which is relatively similar to a normal sinus heart rate, reducing the calculation amount and being easier to realize. The ECG cardiac beat acquisition method comprises the following steps: performing filtering processing on an acquired electrocardiosignal corresponding to each lead to obtain a filtered electrocardiosignal; according to a self-adaptive threshold algorithm, R-wave peak position detection is conducted on the filtered electrocardiosignal, a signal segment of each heart beat is intercepted, waveform information of each heart beat is recorded, and the waveform information comprises a waveform form and a waveform type; the waveform information of each heart beat is analyzed according to the standard heart beat characteristics of the normal sinus heart rate, target heart beat signals are ...

Multifunctional asphalt stirring combined equipment and control method thereof

The invention discloses multifunctional asphalt stirring combined equipment and a control method thereof.The multifunctional asphalt stirring combined equipment comprises a first stirring cylinder, a second stirring cylinder and a third stirring cylinder, the first stirring cylinder and the second stirring cylinder are arranged above the third stirring cylinder, and the bottom of the first stirring cylinder is connected with a first discharging chute and a second discharging chute; the second discharging chute is communicated and connected with the third stirring cylinder; the bottom of the second stirring cylinder is connected with a third discharging chute and a fourth discharging chute; the third discharging chute is communicated and connected with the third stirring cylinder; and a fifth discharging chute is arranged at the bottom of the third stirring cylinder. The first stirring cylinder and the second stirring cylinder can work independently and can be used as primary stirring equipment ...

Fixed maintenance platform of suspension type monorail train

The invention belongs to the technical field of train maintenance, and discloses a suspension type monorail train fixed maintenance platform which comprises at least one maintenance station track, each maintenance station track comprises a plurality of platform bearing beam frames, a second-layer platform module and a third-layer platform module, and the second-layer platform module and the third-layer platform module are arranged on the platform bearing beam frames and are different in height. A personnel walking platform and a train walking track are arranged on the three-layer platform module, and a bogie of a train to be overhauled penetrates through the train walking track and is provided with walking wheels, so that the walking wheels can be hung on the train walking track in a rolling walking mode. The maintenance platform not only provides a maintenance channel for operating personnel, but also provides a walking channel for a train to be maintained, so that the operating personnel ...

Mask beauty instrument

The invention discloses a mask beauty instrument which comprises a mask shell assembly and a skin care management system. The mask shell assembly comprises a light-emitting module used for providing skin care light. The skin care management system comprises a control unit used for controlling the working mode of a light-emitting module according to received working mode information; the electric quantity acquisition unit is used for sending acquired electric quantity information of the power supply unit to the control unit; the information prompting unit is connected with the control unit, and the control unit is further used for calculating the remaining working time length of the mask beauty instrument according to the electric quantity information of the power supply unit and the battery starting voltage drop and the voltage consumption speed determined based on the working mode information, and controlling the information prompting unit to carry out charging prompting before the remaining ...

Digital test bench for vacuum circuit breaker

The invention discloses a digital test bench for a vacuum circuit breaker. Test devices, namely a universal meter, an oscilloscope, a pressure sensor, a circuit breaker, an on-off signal sensor and a resistance tester, which need to be manually operated and record test data are integrated on one digital test bench; the acquisition operation switch and the main and auxiliary contacts of the vacuum circuit breaker record the operation times of the vacuum circuit breaker and the action states of the main and auxiliary contacts, acquire the states of the coil and the main contact of the vacuum circuit breaker, and record the closing and opening time and the waveform of the mutual relation of the coil and the main contact. The test bed is accessed to a local area network of a company through a wireless network, and an authorized manager can remotely log in a test bed host and download and print a selected test report; and the test bench retrieves test data of the product and a corresponding ...

Gas lift plunger

The invention relates to the technical field of gas lift plungers, in particular to a gas lift plunger which comprises a gas lift plunger lower tail, the interior of the gas lift plunger lower tail is of a hollow structure, the upper end of the gas lift plunger lower tail is connected with an oil collecting part, a floating ball groove is formed in the oil collecting part, and a floating ball is placed in the floating ball groove. The lower end of the lower tail portion of the gas lift plunger is connected with a balance weight base which is of a hollow structure. The top end of the oil collecting part is connected with a fishing seat end cover, through holes are symmetrically and uniformly distributed in the central axis of the upper surface of the fishing seat end cover, and the lower tail part of the gas lift plunger, the oil collecting part and the counterweight base are communicated with one another, so that the effect of reducing the descending resistance of the gas lift plunger is ...

Agricultural behavior recognition method based on X3D

The invention relates to an agricultural behavior recognition method based on X3D. The method comprises the following steps in sequence: constructing an agricultural behavior data set; constructing an agricultural behavior recognition model based on X3D; adopting the agricultural behavior data set to train an agricultural behavior recognition model; and inputting the agricultural behavior to be identified into the trained agricultural behavior identification model for identification, and outputting an identification result. According to the invention, large-scale, multi-region, real and objective recording of the working behaviors of farmers is realized, and providing real and objective data for farm management and agricultural product tracing becomes a great demand at present; the collected data is compared and recorded in a video format storage mode, collection and analysis are integrated, consumption of storage resources is greatly reduced, the storage space is effectively reduced, efficiency ...

High-sensitivity thermometer based on silicon carbide double-vacancy color center and measuring method

The invention discloses a high-sensitivity thermometer based on a silicon carbide double-vacancy color center and a measuring method. The device mainly comprises a first three-dimensional precise sample stage, a second three-dimensional precise sample stage, a microscope objective, a cage-type structured optical machine assembly, a laser, a multimode optical fiber, a dichroscope, an optical filter, an imaging CCD, an electromagnet, a microwave source, a photoelectric detector, a Lock-in phase-locked amplification system, a beam combiner, a pulse card, a computer and the like. The microscope optical system adopts a stable and easy-to-build cage type system, is formed by assembling cage type structure optical machine components, and is used for exciting a sample and efficiently collecting fluorescence; the pulse card and the computer system are used for coherent control of the color center of the sample; the multimode fiber is used for spatial filtering; and the photoelectric detector realizes ...

High-breaking miniature contactor

The invention provides a high-breaking miniature contactor which comprises a plurality of contact pairs composed of a plurality of moving contacts and static contacts, each contact pair is arranged in a respective partition cavity, and an arc guide permanent magnetic field, an arc extinguish chamber and a heat dissipation channel are sequentially arranged in each partition cavity. The arc guide permanent magnetic field is used for guiding electric arcs generated by the contact pair to the arc extinguish chamber, the arc extinguish chamber is used for sectional arc extinguish, the heat dissipation channel is used for dissipating heat generated by the electric arcs, each partition cavity is provided with a first containing part and a second containing part, the first containing part is used for bearing a permanent magnetic sheet generating the arc guide permanent magnetic field, and the second containing part is used for bearing a second permanent magnetic sheet generating the arc guide permanent ...

Continuous-firing tissue biopsy gun

The invention discloses a continuous shooting tissue biopsy gun which comprises a handle outer frame, a trigger is movably embedded in the front end of the handle outer frame, sliding rails are arranged on the surfaces of the two sides of the trigger and connected with thin steel sheet connecting rods, a one-way gear rack transmission strip is arranged on the surface of the top end of the trigger, and a hollow needle is installed at the top of the handle outer frame in a penetrating mode. A gear is meshed between the one-way gear rack transmission strip and the two-way gear rack transmission line, a gear fixing rod is installed at the axis of the gear, a thin steel sheet groove is formed in the top end of the hollow needle, a thin steel sheet is installed in the thin steel sheet groove, a buckle is installed at the bottom end of a thin steel sheet connecting rod, and the bottom end of the buckle is pressed and covered in a locking groove. A trigger limiting block is installed in the handle ...

Bulk material commodity unloading intelligent scheduling method and system

The invention relates to the technical field of logistics scheduling, in particular to an intelligent scheduling method and system for bulk material commodity unloading. The method comprises the following steps: acquiring a vehicle pre-scheduling plan and reservation information; establishing a station area vehicle pre-scheduling plan according to the vehicle pre-scheduling plan and the reservation information; obtaining vehicle arrival information; according to the station area vehicle pre-scheduling plan and the vehicle pre-arrival information, establishing a pull-in queuing sequence according to a pull-in rule; acquiring in-station vehicle information of the station area, and judging whether the vehicle information of the station area meets an inbound condition or not; and if yes, the vehicles in the inbound queuing sequence are scheduled to enter the station according to the station area vehicle pre-scheduling plan, and a scheduling result is generated. By applying the intelligent algorithm ...

Mulberry leaf cutting device for silkworm breeding

The invention relates to the technical field of mulberry leaf cutting equipment, and discloses a mulberry leaf cutting device for silkworm breeding, which comprises a box body, the right side of the top of the box body is fixedly connected with an air drying device, the left side of the top of the box body is fixedly connected with a cleaning device, and the top of the left side of the box body is fixedly connected with a feeding plate. Through use of an air cylinder, an air rod can drive a screen plate to move up and down, so that the screen plate can screen and filter cut mulberry leaves, and then the screen and filter work of a groove plate can be matched, so that the equipment can fully discharge impurities in the mulberry leaves; the mulberry leaves with impurities can be prevented from influencing silkworms, an air suction pump is used, an air suction pipe can suck external air, then the air suction pipe can be matched with an exhaust pipe to blow air to the mulberry leaves on the ...

Information processing method and system for IT equipment maintenance service

The invention provides an information processing method and system for IT equipment maintenance service. The method comprises the following steps: sending first prompt information for inputting maintenance service demand information to a first client; acquiring data information required by quotation calculation and response time corresponding to the maintenance service level; automatically calculating a service quotation; generating an equipment file of equipment related to the maintenance service; receiving a fault processing request instruction, and generating a fault processing work order according to information recorded in the equipment file; and selecting a matched engineer, sending the information of the work order to the associated engineer, and indicating the engineer to carry out fault processing within the response time. The quotation calculation intensity can be effectively reduced, the quotation can be automatically and quickly generated, and the work order generation speed ...

无线机车信号系统自律轮询优化控制方法

The invention discloses a wireless locomotive signal system automatic-polling optimized control method, including the steps: (1) when the locomotive approaches the responder, vehicle-carried data transmission radio station obtains the registered address and using frequency information of the station; (2) the vehicle-carried data transmission radio station detects the registered time gap in the polling period to ask the station for register in a calling mode; (3) after completing register, the control center of the station makes polling control on each registered train in a calling mode; (4) after the locomotive passes through the responder, the control center cancels the locomotive. It can ensure integrity of each communicating course; uses interlacing technique and three-dimensional technique during the course of polling and register, able to effectively shorten the acting time of locomotive signal to ensure signal transmission safe and reliable, thus largely heightening the safety and ...

Kitchen waste crushing device

The invention discloses a kitchen waste crushing device, and relates to the field of kitchen waste crushing structures, the kitchen waste crushing device comprises a mounting frame, a crushing box and a material falling assembly, the crushing box is fixedly arranged at the top of the mounting frame, and a crushing assembly for crushing waste is arranged in the crushing box. The material falling assembly comprises a supporting cylinder, the supporting cylinder is fixed to the inner wall of the mounting frame, a water distribution cover used for spin-drying garbage is rotationally mounted in the supporting cylinder and is of a cylindrical structure, multiple drainage holes used for spin-drying water are formed in the inner wall of the water distribution cover, and the multiple drainage holes are annularly distributed in the inner wall of the water distribution cover at equal intervals; the material falling assembly further comprises a water baffle installed on the bottom face of the water ...

Wave maker

The invention relates to a wave maker which comprises a groove body, a power mechanism, a buffer mechanism and a wave pushing plate. A containing cavity is formed in the groove body, the buffering mechanism is connected with the power mechanism, the wave pushing plate is connected with the buffering mechanism, and the wave pushing plate is arranged in the containing cavity and can be driven by the power mechanism to do reciprocating motion. The power mechanism of the wave maker can provide power for reciprocating motion and enable the wave pushing plate to do reciprocating motion, meanwhile, the wave pushing plate pushes the water body to do reciprocating motion, and therefore artificial waves can be made. In the process that the wave pushing plate pushes the water body, the water body exerts unstable force on the wave pushing plate, and the unstable force finally affects normal work of the power mechanism. The buffer mechanism is directly connected with the wave pushing plate, so that ...

Nuclear security control software exception test method based on reinforcement learning framework

The invention discloses a nuclear safety control software exception test method based on a reinforcement learning framework, which is characterized in that a test object is a C language code module for nuclear power numerical simulation calculation, a basic unit for realizing specific system simulation and feedback control functions is defined as a module, and the module processes once in a timing cycle; when the system time advances to the time T away from the last calculation, new module calculation is triggered once, so that the state and the output of the module are updated; defining various abnormalities, and setting judgment thresholds of the various abnormalities; and performing core security control software exception test pre-preparation, and determining a timing cycle simulation process according to the preamble definition and the determined content to complete the software exception test. According to the method, a reinforcement learning automatic verification mode is adopted ...

Boiling dryer for preparing metformin hydrochloride tablets

The fluidized drying machine comprises a fluidized drying tank, the inner wall of the fluidized drying tank is fixedly connected with a screening net, and a rotary drying assembly is arranged between the top and the interior of the fluidized drying tank; a rolling assembly is arranged at the bottom of the rotary drying assembly and located in the boiling drying tank, the rolling assembly makes contact with the top of the screening net, a driving assembly is arranged at the top of the boiling drying tank, and a worm can be driven to rotate through a driving motor; worms can drive rotating shafts to rotate through transmission of a first transmission roller, a second transmission roller and a conveying belt, two rotating shafts drive two sleeving pipes to rotate in different directions through meshing of two gears, and therefore multiple raising plates repeatedly raise medicine powder and dry the medicine powder through the hot air. And therefore, the medicine powder is repeatedly dried, ...

Concrete pouring device and method for road construction

The invention relates to the technical field of road construction, in particular to a concrete pouring device for road construction and a pouring method.The concrete pouring device comprises a pouring vehicle, the back face of the pouring vehicle is fixedly connected with a supporting block, the back face of the supporting block is fixedly connected with a rail block, and the front face of the rail block is rotationally connected with a first rolling wheel and a second rolling wheel; the back face of the rail block is rotationally connected with a third rolling wheel and a fourth rolling wheel. Through the arrangement of a driven sliding groove block, a transverse moving adjusting cylinder, a transmission short rod, a transmission tooth block, a second tooth crawler belt, a first tooth crawler belt and other components, the transmission tooth block component is matched with the second tooth crawler belt component and the first tooth crawler belt component; and a driven sliding groove block ...

一种互联网端到端时钟同步方法

This invention relates to internet performance measurement and evaluation disclosing a clock synchronous method from end to end, extra clock source is not needed among end systems to realize relativesynchronization of system clocks. One-way detection data packets are sent among end systems periodically to analyse one-way time delay variation property from end to end under asynchronized situationto decide the clock jump and frequency bias relative clock dynamics happening in the system clock corresponding to reference clock. After eliminating the error resulted by clock dynamics, relative synchronization is realized among end systems which can realize synchronization between a pair of end systems, and synchronization of multiple end systems in a group system to an assigned system in it.

Central shaft structure of disc filter for tailings

The invention discloses a center shaft structure of a large disc filter for tailings. The center shaft structure comprises a shaft body, spacing ring plates, wear-resistant bushings, lantern rings, end covers, a non-driving end supporting shaft, a driving end supporting shaft and an end matching gasket, the spacing ring plate is arranged on the outer edge of the middle part of the shaft body; the wear-resistant bushings are respectively arranged in the runners of the shaft body; the lantern rings are uniformly arranged on the outer edge of the shaft body at intervals; the end covers are respectively arranged in two ends of the central pipe body; the non-driving end supporting shaft and the driving end supporting shaft are arranged on the two end covers through bolts; the end matching pads are arranged at the two ends of the shaft body respectively. The overall strength of the shaft body is guaranteed, the machining procedure is simplified, the machining period is shortened, and installation ...

Regenerative chamber structure of novel coke oven

The invention relates to a regenerative chamber structure of a novel coke oven, which comprises a wall body structure which is constructed by silica bricks above a preset height, constructed by clay bricks below the preset height, and provided with a sliding layer at the preset height; and the small flue partition wall is used for dividing the small flue area of the regenerative chamber or the whole regenerative chamber into two parts. According to the invention, according to the expansion rate of the material, silica bricks can be used for building above the preset height, and clay bricks can be used for building below the preset height, so that the deformation caused by the expansion of the material is reduced, the inclination of the heat storage chamber is avoided, and meanwhile, the silica bricks in the small flue area are prevented from bursting due to temperature difference; and the phenomenon that gaps between bricks in the length direction of the masonry of the regenerative chamber ...

Application of rare earth borate in magnetic refrigeration material and preparation method of rare earth borate

The invention relates to application of rare earth borate in a magnetic refrigeration material and a preparation method of the rare earth borate, and belongs to the technical field of magnetic refrigeration. The invention provides an application of rare earth borate in a magnetic refrigeration material. The rare earth borate is at least one of EuB2O4, Eu2B2O5 and EuB4O7. The phase change temperature of the rare earth borate is less than 2K, and under 1.3 K and the magnetic field change of 0-1T, the maximum magnetic entropy of EuB2O4 is changed to be less than or equal to 19.4 J * kg <-1 > * K <-1 >, and the maximum magnetic entropy of EuB4O7 is changed to be less than or equal to 21.2 J * kg <-1 > * K <-1 >; under 2.6 K and a magnetic field change of 0-1T, the maximum magnetic entropy of Eu2B2O5 is changed to be less than or equal to 13.7 J * kg <-1 > * K <-1 >, and the Eu2B2O5 is a low-temperature magnetic refrigeration material with excellent performance.

Common-aperture composite antenna with high radiation efficiency

The invention relates to a common-aperture composite antenna with high radiation efficiency, belongs to the technical field of antennas, and solves the problems of low radiation efficiency, narrow bandwidth and large size of an X and Ka composite antenna in the prior art. The common-aperture composite antenna with high radiation efficiency provided by the invention comprises a Ka-band waveguide slot antenna, and the Ka-band waveguide slot antenna comprises a radiation slot layer, a power divider layer and a switching feed layer which are sequentially arranged from top to bottom. According to the invention, a common-caliber composite form is adopted, the design space is greatly saved, dual-frequency composite is realized, and the antenna has the characteristics of wide band, dual frequency and high radiation efficiency.

Heart radiofrequency ablation electrode pipe

... 种心脏射频消融电极导管，涉及医疗器械技术领域，其包括呈直线状的导管本体，以及插装于导管本体内的支持导丝，所述导管本体包括直线段和形状记忆段；当抽出导管本体内的支持导丝后，导管本体的形状记忆段向下弯曲变形，形成M形结构；该M形结构的形状记忆段包括相连的第弯曲部和第二弯曲部，其中，第弯曲部与直线段的连接处设置有高位右房电极，第弯曲部与第二弯曲部的连接处设置有希氏束电极，第二弯曲部的端部设置有右心室电极。本实用新型减少了患者血管的穿刺数量，进而减少患者的费用，降低患者的痛苦，降低手术的难度。 ...

Method for selecting near infrared spectrum characteristic wavelength of black vinegar solution based on combinatorial algorithm

The invention discloses a black vinegar solution near infrared spectrum characteristic wavelength selection method based on a combinatorial algorithm, and belongs to the field of chemometrics and explosive online detection. According to the method, an initial solution is obtained by using a difference algorithm, and a difference optimization algorithm characteristic wavelength set is obtained through initialization, variation, intersection and selection operations, so that the time of blind search due to large information amount in the initial stage of the cuckoo algorithm is shortened, and the near infrared spectrum characteristic wavelength selection efficiency of the black vinegar solution is improved. According to the method, the preprocessed spectrum corresponding to the characteristic wavelength set of the differential optimization algorithm is taken as the initial variable, and the characteristic wavelength of the initial variable is selected by using the cuckoo algorithm, so that ...

Passive conformal antenna

The invention relates to a passive conformal antenna, belongs to the technical field of passive antennas, and solves the problem of missile body matching imbalance introduced by'deep burying 'in the prior art. The passive conformal antenna comprises a reflection cavity, a heat insulation medium block and a connector, the heat insulation medium block is arranged in the reflection cavity, and the connector is arranged on the lower surface of the reflection cavity. The antenna can be conformal on the surface of a projectile body, and projectile body matching unbalance caused by deep burying is avoided.

Bulk commodity transportation information management method and system and storage medium

The invention relates to the technical field of logistics transportation, in particular to a bulk commodity transportation information management method and system and a storage medium, and the method comprises the steps: obtaining the operation registration information of a cargo carrying vehicle, and generating a warehouse-out number; acquiring primary weighing data of the cargo carrying vehicle based on the first weighing equipment; generating an operation document based on the operation registration information, the primary weighing data and the warehouse-out number; after the cargo-carrying vehicle arrives at the buyer, identifying the license plate number of the cargo-carrying vehicle, and calling a corresponding operation document; acquiring secondary weighing data of the cargo carrying vehicle based on second weighing equipment; and generating a vehicle work order based on the work document and the secondary weighing data. The weighing process is standardized, the weighing result ...

Well head subassembly

... 一种井口组件，包括井盖和井座，井座包括:环形凸台和环形挡板,环形档板水平的设于环形凸台内壁的上部,与环形凸台同轴设置并形成容置空间；环形挡板上开设有多个开口,多个开口沿环形挡板的圆周方向等间矩设置；井盖包括盖体和凸块,凸块的横截面呈L形结构，且开口朝外的设置在盖体的底部，凸块的位置及数量与井座上的多个开口对应设置；使用时，将凸块伸入至开口内，转动井盖，凸块与环形挡板能卡合锁紧。本实用新型增强了井盖与井座之间的稳固性，减少了踩踏事故的发生。 ...

Automatic casting production line of anode blank plate for zinc electrodeposition

The invention relates to an automatic casting production line for an anode blank plate for zinc electrodeposition, and belongs to the technical field of anode blank plate production. The automatic production line for casting the zinc alloy comprises a smelting furnace, a quantitative casting device, a casting vertical mold, a turnover mechanism, a pushing mechanism and an automatic stacking device. Automatic alloy melt electric quantity is achieved through the quantitative casting device, automatic casting production of the anode blank plates is achieved in cooperation with the casting vertical mold and the turnover mechanism, the production efficiency is improved, automatic stacking of the anode blank plates is achieved through the pushing mechanism and the automatic stacking device, workers are prevented from carrying the anode blank plates, and the labor intensity is greatly reduced.

X and Ka double-frequency common-caliber composite antenna unit

The invention relates to an X and Ka double-frequency common-caliber composite antenna unit, belongs to the technical field of antennas, and solves the problems of low radiation efficiency, narrow bandwidth and large size of an X and Ka composite antenna in the prior art. The X and Ka double-frequency common-caliber composite antenna unit comprises an X-frequency-band metal oscillator antenna, the X-frequency-band metal oscillator antenna comprises a metal oscillator, a mounting plate and a printed board feed network, and the metal oscillator, the mounting plate and the printed board feed network are sequentially stacked from top to bottom. According to the invention, a common-caliber composite form is adopted, the design space is greatly saved, dual-frequency composite is realized, and the antenna has the characteristics of wide band, dual frequency and high radiation efficiency.

Oil stain cleaning device for automobile protection plate recovery

The invention relates to the technical field of oil stain cleaning, in particular to an oil stain cleaner for recycling an automobile protection plate, which comprises an ultrasonic cleaning tank, a rotating ring, a placing plate, a clamping frame and the like, and the middle position of the lower side in the ultrasonic cleaning tank is rotationally connected with a rotating ring, the interior of the rotating ring is slidably connected with a placing plate, and the placing plate is slidably connected with a plurality of clamping frames used for clamping the automobile protection plate. The automobile protection plate is placed on the placing plate and fixed by the clamping frame, the linear motor controls the rolling brush and the sliding frame to move left and right, the automobile protection plate is immersed in the ultrasonic cleaning tank through extrusion of the sliding frame, adsorption of dirt and the surface of the automobile protection plate is destroyed through the ultrasonic ...

Multifunctional slicing machine and slicing method thereof

The invention discloses a multifunctional slicing machine and a slicing method thereof.The multifunctional slicing machine comprises a rack, a rotary disc and two feeding barrels, a blade is rotationally installed at the eccentric position of the upper surface of the rotary disc, the blade can rotate along with the rotary disc on one hand and can rotate independently on the other hand, and the blade rotating independently rotates along with the rotary disc; the blades intermittently and alternately enter and exit the gaps between the two feeding cylinders and the rotating disc, and after entering the gaps, the blades rotate and revolve at the same time to slice the traditional Chinese medicinal materials; and after the blade moves out of the gap, the cut sheet-shaped traditional Chinese medicinal materials are taken out by the turntable through the gap. According to the traditional Chinese medicinal material slicing device, slicing operation can be carried out with enough strong transverse ...

一种自适应网络数据采集方法

The present invention relates to a adaptive network data acquisition method. Its sampling rate is closely related to the current changed extent of tested index, and the sampling rate can be automatically regulated according to the dynamic property of tested index. As compared with data acquisition method based on probability, the sample data have better stability. Said invention can be used in network performance measurement and modeling application.

Network fault early warning method and device, electronic equipment and storage medium

The invention provides a network fault early warning method and device, electronic equipment and a storage medium, and the method comprises the steps: receiving an interruption alarm message sent by network equipment, and the interruption alarm message comprises an equipment identifier of the network equipment; querying all user states corresponding to the equipment identifier; judging whether all user states corresponding to the equipment identifier are offline or not; and if yes, early warning information is sent to all users corresponding to the device identifier. Whether all user states correspondingly borne by the network equipment are offline or not is judged, only when all user states are offline, it is determined that the network equipment is in a true fault, and at the moment, early warning information is sent to all users corresponding to the equipment identifier. According to the mode, the probability of wrong early warning caused by sending the early warning information under ...

防治沙尘暴装置

... 本发明公开了一种防治沙尘暴装置，属于一种防治沙尘暴装置。它由纱框、纱网、连接导柱、连接环、基座、地柱、地桩、拉线、紧线器组成，所述的纱网(2)固定在纱框(1)上，纱框(1)的两边框上部分别设有连接导柱(3)，并连接有连接环(4)，纱框(1)的两边框下部分别设有基座(5)，其上设有连接导柱(3)，并通过连接导柱(3)与纱框(1)相连，基座(5)通过其上设有的地柱(6)与地面相连；纱框(1)的两边框前后分别设有拉线(7)，其一端与连接环(4)相连，另一端通过紧线器(8)与地桩(9)相连，地桩(9)与地面相连。这种装置可在降水量较少或无水源的地域布网，能迅速减缓沙化面积的扩大、沙尘暴的产生。 ...

Sludge conditioning dehydration system and sludge conditioning method

The invention provides a sludge conditioning and dewatering system and a sludge conditioning method, and relates to the technical field of sludge conditioning and deep dewatering. The system comprises a sludge feeding system, a conditioner adding system, a stirring system, a water adding system, a dehydration system and an automatic control system. According to the invention, sludge with different sources, different types and different water contents can be conditioned, heavy metals, organic matters easy to decay to generate odor and the like in the sludge are stabilized, and harmless, deep dehydration and resource utilization of the sludge are realized; meanwhile, the sludge conditioning system can also be used as a sludge storage tank and a sludge concentration tank, so that the capital construction investment and the operation cost of a sewage treatment plant are reduced.

Turning device for machining driving gear of triangular wire drawing machine

The invention relates to the technical field of gear turning, in particular to a turning device for machining a driving gear of a triangular wire drawing machine, which comprises a turning safety baffle plate, a turning movable platform, a driving assembly, two connecting assemblies and a brushing assembly, the driving screw is horizontally arranged at the lower end of the turning safety baffle through the bearing seat, the turning safety baffle protects the driving screw, then the turning tool moving device is arranged at the upper end of the turning safety baffle through the sliding assembly, and the turning tool moving device and the driving screw are rapidly connected and positioned through the connecting assembly. When the driving screw needs to be maintained and replaced, operation is easy, time and labor are saved, cost is low, in addition, the brushing assembly is arranged in the movable base, the brushing assembly moves along with the position of the movable turning platform when ...

A conveyer that is used for cement kiln to deal with in coordination liquid hazardous waste of volatility

... 本实用新型涉及种用于水泥窑协同处置挥发性液态危险废物的传送装置，包括废液存储装置、输液管道、冷凝套管和空气压缩机；废液存储装置上连接有空气压缩机；输液管道的端连接废液存储装置，另端连接水泥窑；所述输液管道与废液存储装置连接处设有自动开关阀门装置；所述冷凝套管套设在自动开关阀门装置与水泥窑之间的输液管道上；所述冷凝套管在水泥窑近端设入水管，另端设出水管。本实用新型在废液存储装置上设了空气压缩机，在输液管道设了冷凝套管，由于液体在高压低温下不易挥发，这使得挥发性液态危险废物不易逸出；而且，空气压缩机进行加压，促进了液体的流动，可以节省泵送装置。 ...

Plastic film pull-out control device and control system thereof

The invention discloses a plastic film pull-out control device and a control system thereof.The control device is provided with a film conveying mechanism, a force feedback element, a traction component, a compression roller storage mechanism, a film supporting buffer part and a braking component, and the compression roller storage mechanism pulls a film and stores part of the film; in the adjusting process of the traction component, the conveying of the thin film is prevented, and the thin film is continuously fed; and the film supporting and buffering piece supports the film and has a buffering effect on the film in the process that the traction component drives the film conveying mechanism to move, so that the external pulling traction force borne by the film on the film conveying mechanism is buffered. The situation that the thin film directly deforms under the instantaneous traction effect is avoided, and the conveying quality of the thin film is guaranteed; in addition, when the conveying ...

In-vehicle zero-distance vending machine and device, electronic equipment and storage medium

The invention relates to the field of intelligent equipment, and particularly discloses an in-vehicle zero-distance vending machine which comprises a sliding rail and a vending machine body. The first end of the sliding rail extends to a first limit position, and a charging device is arranged at the first limit position; the second end of the sliding rail extends to a second limit position, and a passenger seat is arranged at the second limit position. Compared with the prior art, the in-vehicle zero-distance vending machine provided by the invention provides a mobile service counter concept and a solution applied to passenger cars and public and commercial vehicles; 2, sliding back and forth in an ultra-long stroke, and automatically charging after returning; 3, code scanning payment calling, and zero-distance product and service providing. And automatically driving to the passenger seat according to a control instruction operated by the passenger on the mobile phone. The passenger can ...