Bypass data storage method and device, electronic equipment and storage medium

The embodiment of the invention discloses a bypass data storage method and device, electronic equipment and a storage medium. A target preheating task can be taken out from a first preheating task queue, the current moment does not reach the service starting time of a target service in an application program to which the target service belongs, the target preheating task comprises service information of the target service, and the target preheating task is executed according to the service information to obtain first preheating result data; the first preheating result data and the service information are correspondingly stored locally, the target preheating task is added to a task circular queue, and when the target preheating task is taken out from the task circular queue, if the time interval between the task taking-out moment and the service starting time meets the service preheating condition, the target preheating task is executed according to the service information. Obtaining second ...

Aniline-heat and power combined energy-saving system and method

The invention provides an aniline-heat and power combined energy-saving system and an energy-saving method. The energy-saving system comprises an aniline unit and a thermoelectric unit. The aniline unit comprises a fluidized bed reactor, a first steam boiler, a second steam boiler, a hot water heat exchanger, a water cooler, a gas-liquid separation tank, a hot water tank and a first deaerator which are connected with one another; the hot water heat exchanger is used for heating water from the hot water tank by using waste heat in aniline from the second steam boiler to serve as a heat medium to be supplied to the thermoelectric unit; a water inlet of the hot water tank is connected to a water outlet pipeline of the thermoelectric unit and used for receiving water from the thermoelectric unit; the thermoelectric unit comprises a desalted water heat exchanger, a desalted water tank and a second deaerator which are connected with one another; and the desalted water heat exchanger is used for ...

Carbon material for adsorbing carbon monoxide, preparation method thereof and carbon monoxide adsorption method

The invention relates to the technical field of carbon material preparation, and discloses a carbon material for adsorbing carbon monoxide, a preparation method of the carbon material and an adsorption method of the carbon monoxide. According to the method, cheap lignin is used as a carbon source, the characteristic of high carbon content is utilized, bivalent copper salt, copper carboxylate and lignin are uniformly mixed, roasting and activation are carried out under blending of alkali metal salt, the cuprous-based loaded carbon material can be obtained through single roasting, the preparation process is simple, raw materials are cheap, the preparation cost is low, and the method is suitable for industrial production. Due to the addition of the alkali metal salt, the carbonization process of the lignin is fully activated, the dispersity of the cuprous-based active component in the carbon material is improved, and the prepared carbon material has a very high specific surface area and a ...

Testing device of pump

The invention provides a pump testing device, and belongs to the technical field of equipment testing, the pump testing device comprises a cold drying device, a measuring cup, a control switch, a measuring cup, a water storage tank and an air supply system, the cold drying device is communicated with the testing pump, the testing pump is communicated with the measuring cup, the measuring cup is communicated with the measuring cup or the water storage tank through the control switch, and the air supply system is communicated with the measuring cup. And the water storage tank is communicated with the cold drying device. A water-vapor mixture is formed through the cold drying device, a uniform water-vapor state in a working state of the condensate pump is realized, the water-vapor mixture is introduced into the test pump, and a flow performance test is performed in the measuring cup; the metering cup is communicated with the water storage tank through the control switch, and a service life ...

POSITIVE-DISPLACEMENT COMPRESSOR, TWO-STAGE COMPRESSOR SYSTEM, AND CONTROL METHOD THEREOF

Provided are a positive-displacement compressor, a two-stage compressor system, and a control method thereof. The compressor system comprises a compressor (1) comprising low-pressure cylinders (111, 112) and a high-pressure cylinder (114) connected in series. The low-pressure cylinders (111, 112) comprise at least two pneumatic cylinders (111, 112) connected in parallel. The compressor system further comprises a control system used to control at least one of the two parallel-connected pneumatic cylinders (111, 112) to operate at full load and/or no load. The compressor system realizes a variable ratio of a high-pressure stage engine displacement to a low-pressure stage engine displacement, and is simple in structure, increasing reliability of the two-stage compressor system.

中频经络治疗仪

盖子

智能客服终端（M630G）

前灯

轮毂

Tinnitus recognition system based on electroencephalogram signals

The invention provides a tinnitus recognition system based on electroencephalogram signals, which comprises an electroencephalogram signal acquisition device and a recognition device, the electroencephalogram signal acquisition device being electrically connected with the recognition device; the electroencephalogram signal acquisition device is used for acquiring multiple paths of electroencephalogram signals of auditory areas on two sides of the brain of a detected object and sending the electroencephalogram signals to the recognition device; the recognition device is used for calculating connectivity characteristic values between every two electroencephalogram signals in the multiple paths of electroencephalogram signals, inputting the connectivity characteristic values into a recognition model based on a BP neural network to obtain tinnitus coefficient values of the two ears, and outputting the tinnitus coefficient values; wherein the connectivity characteristic value comprises at least ...

Magnetic type wireless charging fitness structure

The invention discloses a magnetic type wireless charging fitness structure, and relates to the field of wireless charging, a wireless charging receiving unit is arranged in a second device, a wireless charging transmitting unit is arranged in a fitness device, and when the fitness device is connected with the second device, the wireless charging transmitting unit is opposite to the wireless charging receiving unit; the fitness device can wirelessly charge the second equipment. When the structure is used, the second equipment can be wirelessly charged through the fitness device, and the fitness device is connected with the second equipment through the magnet during charging, so that the structure is simple, the use efficiency of the fitness device is improved, and when the fitness device is a fitness mirror, the use convenience of the fitness device at home can be further improved; the position relation between the fitness device and the second equipment cannot be affected by the connection ...

Fluorescent composite film for iron ion detection and preparation method thereof

The invention discloses a fluorescent composite film for iron ion detection and a preparation method thereof. The method comprises the following steps: mixing citric acid, urea and ethanol for reaction to prepare nitrogen-doped carbon dots, mixing PVDF, sodium alginate and DMF, scraping to prepare a PVDF-SA substrate film, immersing the PVDF-SA substrate film in an EDC/NHS solution for activation, and finally immersing the activated PVDF-SA substrate film in a nitrogen-doped carbon dot dispersion liquid to obtain the fluorescent composite film. The fluorescent composite film provided by the invention can realize trace detection and adsorption of Fe < 3 + >, and the lowest detection limit is 0.095 [mu] M.

Dual-wavelength multi-polarization-state laser emission system

The invention relates to a dual-wavelength multi-polarization laser emission system, which relates to the field of laser radar, and comprises a laser part and a polarization part, the laser part is composed of a laser, a rotating mirror, a reflector, a beam expanding light path and a spectroscope, divergent laser beams generated by the laser irradiate the polarization part, the polarization part is composed of multiple groups of wave plates, and the rotating mirror and the beam expanding light path are arranged on the polarization part. And the multiple groups of wave plates respectively rotate or displace relatively to enable the laser passing through the polarizing part to output various vertically polarized lasers, the lasers are irradiated to the beam expanding light path through the rotating mirror and the reflecting mirror to be converted into collimated light, the collimated light is irradiated to the telescope through the spectroscope, and the dual-wavelength multi-polarization ...

Railway line inspection system

The invention provides a railway line inspection system, and the system comprises an advancing track which is disposed on one side of a railway line and keeps a certain distance from the railway line; the moving platform is mounted on the advancing track and can move on the advancing track; and the image acquisition device is mounted on the mobile platform and is used for acquiring an image of the railway line so as to realize safety inspection of hazardous substance identification and analysis. According to the system, an operation line independent of a railway line is adopted, operation of a railway train is not affected, inspection can be conducted in non-skylight time, hazardous substance recognition and analysis are achieved in an image collection mode, manual participation is reduced, and inspection manual labor and cost are saved.

Direct-current micro-grid high-frequency oscillation stability risk assessment method

The invention discloses a direct-current micro-grid high-frequency oscillation stability risk assessment method, a direct-current micro-grid comprises a balance unit, a constant-power load and a direct-current line, and the balance unit comprises a distributed power supply adopting a direct-current voltage control strategy and a power electronic device and is used for maintaining voltage stability and power balance of a common direct-current bus. The constant-power load comprises a distributed power supply with a constant-power operation characteristic and a power electronic device. The DC micro-grid high-frequency oscillation stability risk assessment method comprises the steps of data-driven modeling, frequency identification, model reconstruction and risk assessment.

Small honeyed pill filling device

The invention relates to the technical field of pharmaceutical machinery, in particular to a small honeyed pill filling device. The invention provides a small honeyed bolus filling device capable of filling honeyed boluses in batches. A small honeyed bolus filling device comprises a bottom frame, a motor, transmission rollers, a conveying belt, a support, a filling mechanism and a sealing mechanism, the motor is installed on the left side of the front portion of the bottom frame, the transmission rollers are rotationally connected to the left side and the right side of the bottom frame, an output shaft of the motor is connected with the transmission rollers on the left side, and the conveying belt is wound around the transmission rollers. The support is provided with a filling mechanism used for injecting filler into honeyed boluses, and a sealing mechanism used for blocking the honeyed boluses is arranged between the support and the filling mechanism. Five honeyed boluses are orderly placed ...

Three-dimensional dynamic vibration absorber based on parallel mechanism

The invention relates to the technical field of mechanical vibration and vibration and noise reduction, in particular to a three-dimensional dynamic vibration absorber based on a parallel mechanism. The device comprises a fixing frame, a vibration absorption mass block and three same branch kinematic chains. The fixing frame comprises a lower bottom plate, an upper top plate and a guide rod; the guide rod is installed between the lower bottom plate and the upper top plate, the branch kinematic chain is arranged on the guide rod in a sleeving mode, the vibration absorption mass block is installed between the lower bottom plate and the upper top plate, and the branch kinematic chain is hinged to the vibration absorption mass block through a ball. According to the multi-dimensional dynamic vibration absorber, multi-dimensional line spectrum vibration of power mechanical equipment can be effectively restrained, and the problems that an existing multi-dimensional dynamic vibration absorber is ...

LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE

The present invention provides a liquid crystal composition. The liquid crystal composition comprises: a compound, represented by a general formula I and accounting for 10-40% of the total weight of the liquid crystal composition; a compound, represented by a general formula II and accounting for 1-30% of the total weight of the liquid crystal composition; a compound, represented by a general formula III and accounting for 10-35% of the total weight of the liquid crystal composition; and a compound, represented by a general formula IV and accounting for 1-55% of the total weight of the liquid crystal composition. The liquid crystal composition of the present invention has at least one of the following characteristics: great optical anisotropy, a high cleaning point, a proper viscosity, properly high dielectric anisotropy, a high contrast and the like, and is suitable for being used in a liquid crystal device. The present invention also provides a liquid crystal display device comprising ...

SEAT AND VEHICLE

Provided are a seat and a vehicle; said seat comprises: a seat frame and at least one function module; the seat frame (101) comprises: a seat-back frame (110) and a seat-cushion basin assembly (120); the seat-back frame (110) comprises: upper and lower horizontal plates (111, 113) and two side panels (112); a seat basin (102) is arranged on the front side of a seat cushion (103); the seat cushion (103) comprises two seat-cushion side panels (121) and two linkage rods (104, 122) spaced at an interval between the front and the rear; at least one function module is arranged on the chair frame (101), and comprises: a mechanism for forward/backward adjustment of the seat-cushion basin, a shoulder-part adjustment mechanism (701), a seat-back frame angle adjustment mechanism, and a seat-basin height adjustment pump. Hence, the seat structure is simple and lightweight; the seat conforms to the requirement of being lightweight for a vehicle, and the seat may be fitted with various adjustment functions ...

Piston rod plug fastening device

The invention relates to the field of piston rod installation, in particular to a piston rod plug fastening device. The piston rod plug fastening device comprises a workbench, a supporting structure, a rotation stopping structure and a fixing structure, the supporting structure and the rotation stopping structure are arranged on the workbench, the fixing structure is used for supporting and fixing a torque amplifier, and the rotation stopping structure and/or the supporting structure are/is located on one side of the fixing structure. And the output end of the torque amplifier is matched with the clamping part of the plug so as to fasten the plug of the piston rod. The anti-rotation structure and the supporting structure are arranged to carry out anti-rotation supporting on the rod body, the piston rod is conveniently controlled when the plug is fastened, the fixing structure is arranged to support and fix the torque amplifier, a mounting space is conveniently provided for use of the torque ...

Disease course prediction method and device, electronic equipment and storage medium

The invention discloses a disease course prediction method and device, electronic equipment and a storage medium. The disease course prediction method comprises the following steps: acquiring multi-modal data and detection time of current detection of a disease; extracting sub-features from the multi-modal data and the detection time; fusing the extracted sub-features to obtain a current detection fusion feature; and inputting the current detection fusion feature into a pre-trained non-equidistant time sequence prediction model for processing to obtain a disease course probability prediction value. According to the disease course prediction method provided by the embodiment of the invention, the disease course of each stage of the disease is predicted through the non-equidistant time sequence prediction model, the probability that the patient is currently in different disease course stages of the disease can be predicted, the accuracy of the obtained prediction result is relatively high ...

Source network storage load safety management method based on multi-source data

The invention discloses a source network storage load safety management method based on multi-source data. Comprising the following steps: data acquisition: acquiring real-time or historical multi-source data of power grid operation state data, electric energy quality data, electrical load data and new energy power generation data from a plurality of data sources of an electric power system, an electric energy quality monitoring system, an electric energy metering system and a new energy power generation system; coordinated control of the power supply, the power grid, the energy storage equipment and the load is realized, and safety management of source grid storage load is guaranteed. According to the invention, efficient development and consumption of new energy are promoted, and the electric quantity proportion of renewable energy is improved. According to the scheme, local resources are optimized and integrated, new energy is developed preferentially, high integration of source network ...

Overwater solar power generation equipment with device for automatically collecting floating objects on water surface

The invention discloses overwater solar power generation equipment with a device for automatically collecting floating objects on the water surface, relates to the technical field of overwater solar power generation, and aims to solve the problems that the existing overwater solar power generation equipment is single in function, cannot effectively collect garbage floating on the water surface around the power generation equipment, and is inconvenient to use. According to the technical scheme, the power generation device is characterized by comprising a first floating box, a fixed rail is fixedly connected to the outer surface of the first floating box, a movable ring is slidably mounted on the outer portion of the fixed rail, a gear ring is arranged on the upper surface of the movable ring, and the gear ring is fixedly connected to the outer surface of the first floating box. A connecting rod is fixedly connected to the side surface of the movable ring, a second floating box is fixedly ...

Application program pressure measurement method and device, computer equipment and computer readable storage medium

The invention provides an application program pressure measurement method and device, computer equipment and a computer readable storage medium. The application program pressure measurement method is used for performing pressure measurement on each interface of an application program by a pressure measurement tool, and comprises the following steps: counting a query rate of each interface of the application program; calculating the pressure measurement percentage of the query rate of each interface; the to-be-measured pressure measurement percentage of the pressure measurement tool to each interface is modified by pressing the pressure measurement percentage; the pressure measurement tool performs pressure measurement on each interface according to the to-be-measured pressure measurement percentage; the query rate is the number of requests processed by the interface in unit time; the pressure measurement percentage is the percentage of the query rate of each interface in the total query ...

SYSTEM AND METHOD FOR TERMINAL LOCATION

A system and method for terminal location is provided in the present invention. The system for terminal location includes: a first base station, a second base station and a terminal which is located in the overlapped and covered area of the first base station and the second base station; a first distance acquiring module, which acquires the first distance between the first base station and the terminal, according to the first time offset information of the terminal; a second distance acquiring module, which acquires the second distance between the second base station and the terminal, according to the second time offset information of the terminal; an angle acquiring module, which acquires the first signal arrival angle of the terminal to the first base station and the second signal arrival angle of the terminal to the second base station, according to the first distance, the second distance and the third distance between the first base station and the second base station; a first location ...

LYOPHILIZED ORAL FORMULATION

Disclosed in the examples of the present disclosure is a lyophilized oral formulation. The lyophilized oral formulation comprises a pharmaceutically active ingredient and a light stabilizer. The pharmaceutically active ingredient is montelukast or a pharmaceutically acceptable salt thereof. The light stabilizer is a water-soluble pigment. The lyophilized oral formulation has a stable pharmaceutically active ingredient.

Rodent antigravity strength training cat ladder

... 本实用新型提供种啮齿动物抗重力力量训练爬梯，包括楼梯和笼子,笼子为中空方体结构,其侧面设有供啮齿动物进入笼子的门,楼梯的顶部连接在笼子的底部且靠近于笼子的门的位置，楼梯的底部设有方体形状的起步平台；本训练爬梯为啮齿动物抗重力力量训练实验提供良好的研究装置，起步平台确保动物训练时保持向上攀爬的姿势，而不会乱跑，提高训练的有效性；本训练爬梯设计合理，易清洁，稳定性好，为啮齿动物抗重力训练实验提供长期、反复的训练条件。 ...

Method for accurately controlling discharge time of aluminum ingot in 1+4 aluminum hot continuous rolling

A method for accurately controlling the discharge time of aluminum ingots in 1 + 4 aluminum hot continuous rolling is characterized in that an aluminum ingot discharge time control module is arranged in a 1 + 4 aluminum hot continuous rolling control system, and the aluminum ingot discharge time control module is used for controlling the discharge time of the aluminum ingots according to actual rolling process parameter setting of the aluminum ingots, equipment parameters and empirical data stored in a control system database. The discharge time of the next to-be-rolled aluminum ingot is automatically calculated, so that the front and rear aluminum ingots are seamlessly connected and rolled on the 1 + 4 aluminum hot continuous rolling production line, the standby time of the 1 + 4 aluminum hot continuous rolling production unit is eliminated, and the maximization of the efficiency of the 1 + 4 aluminum hot continuous rolling production unit is realized; in addition, after the technical ...

Navigation image registration method and device, equipment and storage medium

The invention discloses a navigation image registration method and device, equipment and a storage medium. The method comprises the following steps: performing image reconstruction on medical image point cloud data to obtain a first image, and performing image reconstruction on navigation point cloud data to obtain a second image; determining a first reference coordinate system corresponding to the first image based on a first nose tip position and a first eye position in the first image to obtain a first conversion matrix and a first intermediate image; determining a second reference coordinate system corresponding to the second image based on a second nose tip position and a second eye position in the second image to obtain a second conversion matrix and a second intermediate image; determining a registration matrix of the first intermediate image and the second intermediate image; and completing registration of the first image and the second image according to the first conversion matrix ...

Community-oriented abnormal behavior detection and identification method and system

The invention discloses a community-oriented abnormal behavior detection and identification method and system, and the method comprises the following steps: obtaining a pedestrian behavior video in a community, and carrying out the preprocessing of the video; detecting whether the pedestrian carries the garbage bag or not based on the preprocessed behavior video; and carrying out pedestrian abnormal behavior detection and identification based on a result of detecting whether the garbage bag is carried or not. According to the invention, an OpenPose human body posture estimation algorithm is used to carry out skeleton point detection on personnel, and personnel tracking is completed through skeleton point Euclidean distance calculation. And detecting the garbage bag by using a YOLOv4 model, and detecting whether the personnel carry the garbage bag or not by using a matching algorithm for the personnel and the garbage bag. According to the invention, effective real-time identification of ...

Radio frequency fingerprint identification method based on image features

The invention belongs to the technical field of Internet of Things security, and particularly relates to a radio frequency fingerprint identification method based on image features. According to the method, the sample sequence of the signal is converted into the time-frequency image, and the fingerprint database is expanded by extracting the image features, so that the identification accuracy of equipment can be improved. Secondly, the brightness of pixel points in a time-frequency graph obtained after time-frequency conversion reflects the characteristics of the time domain and the frequency domain of the signal and also reflects the energy intensity of the signal at any moment; moreover, the time-frequency image of the wireless equipment signal has obvious difference in geometrical shape and texture feature, so that the research and improvement of the shape feature and texture feature extraction method of the time-frequency image have important implementation value.

Three-dimensional reconstruction method and device and electronic equipment

The invention provides a three-dimensional reconstruction method and device and electronic equipment, and the method comprises the steps: obtaining a plurality of projection fringe images, the projection fringe images are obtained by projecting a plurality of grating fringe images generated through pre-coding to a to-be-reconstructed object, and the absolute phases of at least two grating fringe images in the plurality of grating fringe images are different; dephasing the projection fringe image to obtain a target phase of the to-be-reconstructed object; and based on the target phase, determining a three-dimensional coordinate of the to-be-reconstructed object, the three-dimensional coordinate being used for three-dimensional reconstruction of the to-be-reconstructed object. According to the invention, accurate dephasing of the projection fringes can be realized, and the efficiency of three-dimensional reconstruction is improved.

MODIFIED MRNA5-CAP ANALOGS

The present invention provides 5 '-cap analogs that can improve transcription, mRNA stability, and mRNA translation efficiency and durability The invention also relates to methods for making cap analogs and using mRNA containing such analogs, as well as kits containing the novel cap analogs.

LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE THEREOF

Provided is a liquid crystal composition, comprising: one or more compounds of general formula I accounting for 1-30% of the total weight of the liquid crystal composition; one or more compounds of general formula II accounting for 1-30% of the total weight of the liquid crystal composition; one or more compounds of general formula III accounting for 1-20% of the total weight of the liquid crystal composition; and one or more compounds of general formula IV accounting for 30-80% of the total weight of the liquid crystal composition. The liquid crystal composition has at least one of the following properties: a large specific resistance, a high voltage holding ratio, a suitable optical anisotropy, a large dielectric anisotropy, a small viscosity, a low threshold voltage, etc., and is also green and environmentally friendly. The liquid crystal composition is suitable for use in a liquid crystal display device, enabling the liquid crystal display device to have the following properties: a ...

High -efficient water saving fixtures system that removes water smoke and retrieve industrial water

... 本实用新型为一种高效除水雾回收工业用水的节水装置系统，包括聚式凝结系统、两级惯性分离系统和凝结水回收系统。聚式凝结系统包括喷淋洗涤凝结装置、接水栅板和接水槽；两级惯性分离系统包括反喷淋洗涤凝结装置、波形惯性分离器、丝网除雾器；凝结水回收系统包含凝结水输送管路、凝结水储存水池。聚式凝结系统和两级惯性分离系统布置在冷却塔内，凝结水排水管道、喷淋洗涤凝结装置、反喷淋洗涤凝结装置及接水槽冲洗装置通过凝结水输送管路连接到凝结水储存水池。本实用新型有效打破水雾中水分子之间各种力的作用，防止水雾凝结水滴回流到尾气入口管道，回收工业用水，达到资源回收利用的目的。 ...

Convenient gripper of dismantling and installing

... 本实用新型公开了一种方便拆卸和安装的机械爪，包括气缸、推杆和保护罩以及设置在保护罩顶端的螺纹柱，气缸的外围固定设有保护罩，气缸的底端固定设有推杆，推杆上套设有弹簧，弹簧上固定设有机械爪安装基座，机械爪安装基座上固定安装有机械爪，弹簧的底端固定设有吸盘，螺纹柱的边侧固定设有螺孔，保护罩的一侧固定设有开关键。本实用新型的结构简单，造价低廉，且实用性强，通过设有螺纹柱，方便了机械爪的整体安装和拆卸，便于机械爪的运输，方便使用；通过设有吸盘，吸盘可以吸附抓取的物件，使定位准确，物件稳定牢固，防止了物件在运输过程中发生掉落，导致物件损坏或人员伤亡，消除了安全隐患，便于使用。 ...

Blood sampling device for animal husbandry goat breeding experiment

The utility model provides a blood sampling device for a livestock goat breeding experiment, relates to the technical field of animal blood sampling devices, and aims to solve the problems that a traditional blood sampling tool for an experiment is tedious in operation and not easy to collect sheep blood, the blood sampling device for the experiment is not green and environment-friendly enough, or collected sheep blood is difficult to store and collect and cannot meet the hygienic standard, and the working efficiency is high. According to the technical scheme, the device comprises a discharging vessel; a cylindrical blood sampling device is mounted at the bottom of the inner left side of the discharging vessel; a cylindrical storage device is mounted at the lower end of the blood sampling device in parallel; the storage device is mounted below the blood sampling device in parallel; and a storage device is arranged on the table top at the bottom of the inner side of the discharging vessel ...

Rut forming instrument

The utility model discloses a rut forming instrument which comprises a main box body and a portal frame arranged on the main box body, a hydraulic cylinder and a grinding wheel are arranged on the portal frame, two sliding grooves are formed in the position, below the grinding wheel, of the main box body in parallel, and a moving platform is arranged in each sliding groove in a sliding mode. The main box body is provided with a crank rocker mechanism used for driving the movable platform to do reciprocating linear motion, the movable platform is provided with a stepped disc groove, the stepped disc groove penetrates through the upper end face and the lower end face of the movable platform, and a rotating disc is rotationally arranged in the stepped disc groove. A locking mechanism used for fixing the mold box is arranged on the rotary disc, and the rotary disc is driven by a rotating mechanism to rotate so as to change the angle of the mold box. According to the rut forming instrument provided ...

Fagopyrum dibotrys solution preparation for aerosol inhalation as well as preparation method and application thereof

The invention belongs to the technical field of pharmaceutical preparations, and discloses a wild buckwheat rhizome solution preparation for aerosol inhalation as well as a preparation method and application of the wild buckwheat rhizome solution preparation. The invention provides a rhizoma fagopyri dibotryis solution preparation for aerosol inhalation, and the rhizoma fagopyri dibotryis solution preparation is prepared by extracting rhizoma fagopyri dibotryis with an ethanol water solution, carrying out alcohol precipitation, and carrying out resin adsorption, separation and purification on the obtained solution. The invention also provides a preparation method of the rhizoma fagopyri dibotryis solution preparation for aerosol inhalation. The rhizoma fagopyri dibotryis solution preparation for aerosol inhalation provided by the invention is applied to medicines with synergistic and toxicity-reducing effects in radiotherapy and chemotherapy of lung tumors. The preparation is given to a ...

Double-channel internal adjustment type tunnel kiln waste heat power generation boiler

The invention relates to a double-channel internal adjustment type tunnel kiln waste heat power generation boiler which comprises a tunnel kiln. The boiler is arranged on the tunnel kiln in a crossing manner; the boiler internally comprises a flue and an air flue which are distributed in parallel, and a boiler barrel and a steam collecting box which are shared by the flue and the air flue; the flue and the air duct are respectively communicated with the tunnel kiln through pipelines; and an ash hopper, a plurality of superheaters, a plurality of evaporators and a plurality of energy savers are sequentially arranged in the flue and the air duct from inflow to outflow of the heat-carrying medium. The boiler is compact in structure, the construction mode of the existing boiler is simplified, the investment and operation cost is reduced, mutual complementation of the two heat-carrying media in the heat conversion process in the boiler under the condition that the two heat-carrying media are ...

Intelligent electricity handling method and system based on face recognition and credit model algorithm

The invention discloses an intelligent electricity handling method and system based on face recognition and a credit model algorithm, and the method comprises the steps: collecting data of a national population library, a real estate registration center and a credit library, encrypting the collected data, and storing the encrypted data in an intermediate database; decrypting and cleaning the data of the intermediate database, and removing the data which does not conform to the rule; collecting facial features and identity information of a user, and comparing the collected facial features and identity information with the cleaned data of the intermediate database to obtain similarity of facial images; judging whether the similarity of the facial images is greater than a threshold value, if so, determining that authentication succeeds, and calling power data to perform business handling; and if not, not calling. According to the invention, encryption processing is carried out on secret-related ...

COMPRESSION SYSTEM HAVING INTERMEDIATE AIR COMPENSATION, AIR CONDITIONING SYSTEM, AND DETERMINING AND CONTROL METHOD THEREFOR

A compression system having intermediate air compensation, an air conditioning system, and a determining and control method therefor. The compression system comprises a compressor (1), an intermediate air compensation pipeline (2), and an air compensation valve (3) disposed on the intermediate air compensation pipeline (2). According to a flow direction of a refrigerant, a first pressure detection device (4) and a first temperature detection device (5) are disposed at the inlet end of the air compensation valve (3) on the intermediate air compensation pipeline (2); a second temperature detection device (6) is disposed at the outlet end of the air compensation valve (3). The system also comprises a second pressure detection device (7) and a third temperature detection device (8) disposed on an exhaust pipeline (11) of the compressor (1). In the present invention, it can be accurately determined whether liquid is carried in the intermediate air compensation and whether the amount of the air ...

METHOD FOR EXTRACTING MAIZE GERM OIL ASSISTED BY STEAM EXPLOSION AND ETHANOL

According to a method for extracting maize germ oil assisted by steam explosion and ethanol, after using a low-concentration citric acid solution for immersing, steam explosion processing is used, so that the thermal processing time is greatly shortened; and an ethanol-water solution is used as an oil extracting medium and a demulsifier is used to substitute plenty of enzymes used in the traditional aqueous enzymatic method, so that the production costs are reduced and the quality of the product is improved.

TWO-STAGE COMPRESSION AIR CONDITIONING SYSTEM AND AIR REPLENISHMENT CONTROL METHOD THEREFOR

Provided are a two-stage compression air conditioning system and an air replenishment control method therefor. The two-stage compression air conditioning system comprises a two-stage compressor (1) and a flash distiller (3). A first port (31) of the flash distiller (3) is connected to one extremity of a stop valve (2) via a first piping. The other extremity of the stop valve (2) is connected to a first air intake (11) of the two-stage compressor (1) via a second piping. The air replenishment control method comprises: acquiring a first temperature value Tm1 in the first piping, a median pressure value Pm, and a second temperature value Tm2 in the second piping; and controlling the stop valve (2) on the basis of the first temperature value Tm1, the median pressure value Pm, and the second temperature value Tm2. An air replenishment work state is determined by detecting refrigerant parameters of the first port (31) and of the first air intake (11), thus controlling the stop valve (2) to suppress ...

High -precision acidimeter rice ware of multiple spot fusion

... 本实用新型公开了种多点融合式高精度计米器，包含主控制器、设置在线缆两侧的多组计米轮，以及多个与每组计米轮对应连接的光电编码器，所述主控制器包含融合模块和多个与光电编码器数量相等且对应的计米模块；所述多个计米模块分别和融合模块连接。本实用新型采用了改进措施后，计米轮与线缆仍然发生打滑现象时，如何采用有效的数据优化措施，剔除不良计米数据，提高计米精度；采用高精度的计米器就可以获得以上的经济效益。 ...

Survey concrete that permeates water of permeation coefficient and smash shaping examination mould from shaking

... 本实用新型涉及一种测透水系数的透水混凝土自震捣成型试模，它包括底座，底座的上表面加工有凸起板，凸起板的外部安装有成型筒，成型筒的内壁上部设置有高度控制卡槽，高度控制卡槽上设置有压板，压板的上表面中心位置安装有振捣电机，振捣电机的两边对称固定安装有立柱，立柱的顶部固定安装有手柄。本实用新型所要解决的技术问题是提供一种直接用拌制混凝土成型并模拟透水混凝土立方体抗压强度试件的相应成型压力的试模，可以满足试验要求，又同时节约了制作成本。 ...

Novel gravel cleaning device for highway tunnel

The utility model belongs to the field of highway tunnels, and particularly relates to a novel highway tunnel gravel cleaning device which comprises a storage box, a suction box is connected to one side of the outer side wall of the storage box, a support is connected to the lower portion of the outer side wall of the suction box, a classification mechanism is arranged in the storage box, and a material collecting mechanism is arranged on the front surface of the support. The classification mechanism comprises a partition plate, a coarse screen, a sliding plate and a fine screen; through arrangement of a partition plate, a touch sensor and a sliding plate, follow-up treatment on sediments by workers is facilitated, through arrangement of an adjusting rod, a scraper knife and a lifting telescopic rod, the scraper knife can clean road surfaces on the two sides of the road cleaning vehicle, and in the retraction process of the adjusting rod, the cleaned sediments are pushed to the position ...

Circuit structure for suppressing voltage drift phenomenon of charge amplifier

The invention discloses a circuit structure for suppressing a voltage drift phenomenon of a charge amplifier, which comprises a drift voltage eliminating circuit module, a charge-to-voltage circuit module and a subtraction circuit module which are integrated in the same circuit board, the drift voltage eliminating circuit module comprises two operational amplifiers S1, two resistors R5, two resistors R2 and two capacitors C2 which are the same in specification and are symmetrically arranged, and the charge-to-voltage circuit module comprises two operational amplifiers S1, two capacitors C1 and two resistors R1 which are the same in specification and are symmetrically arranged. The subtraction circuit module comprises two resistors R3 with the same specification, two resistors R4 with the same specification and an operational amplifier S1. According to the invention, the voltage drift phenomenon of the charge amplifier is suppressed to a greater extent to improve the accuracy of output signals ...

Method for simply and efficiently recovering hard alloy tungsten carbide waste

The invention provides a method for simply and efficiently recovering hard alloy tungsten carbide waste. The tungsten carbide waste contains more than 8% of cobalt and other doped metals. The method comprises the specific steps that the tungsten carbide (cobalt-containing) waste is oxidized into oxide and tungstate at high temperature, metal elements such as cobalt become slag phases under high-temperature alkaline leaching, tungsten is dissolved in a solution in the form of sodium tungstate, and solid-liquid separation is achieved; the sodium tungstate solution is converted into an ammonium tungstate solution through an extraction process, and the ammonium tungstate solution is evaporated and crystallized to form ammonium paratungstate. The method provided by the invention is simple to operate, the used raw materials are cheap and easy to obtain, and the difficulty of recovery process conditions is low. And tungsten, cobalt and other valuable metals can be basically completely separated ...

Nucleic acid aptamer and Paleocystis globosa fluorescent molecule detection probe using same

The invention provides a nucleic acid aptamer and a globocystis globosa fluorescent molecule detection probe applying the same. The nucleotide sequence of the nucleic acid aptamer is shown as SEQ ID NO. 1. The nucleic acid aptamer provided by the invention has higher affinity and specificity to the phaeocystis globosa, and also has the advantages of no immunogenicity, short preparation period, good reproducibility, small molecular weight, convenience in in-vitro chemical synthesis, convenience in marking, easiness in modification and substitution of different parts of the nucleic acid aptamer, stable sequence, easiness in transportation and storage and the like. When the rapid detection method based on the nucleic acid aptamer is used for detecting the globocystis globosa, the operation is simple and rapid, and relatively high accuracy and sensitivity can be achieved. The aptamer can be used for constructing a molecular probe or a detection kit, so that the accurate detection of the Paleocystis ...

Automatic drilling and locking all-in-one machine

The invention discloses an automatic drilling and locking all-in-one machine which comprises a first electric box supporting frame, a second electric box supporting frame, a plurality of wire locking assemblies, a plurality of punching assemblies and a plurality of wire feeding assemblies. The punching assembly and the wire feeding assembly are sequentially arranged between the first electric box supporting frame and the second electric box supporting frame, the punching assembly is used for punching a truss floor plate, and the wire locking assembly is used for locking a screw; the screw feeding assemblies are arranged on the first electric box supporting frame and the second electric box supporting frame correspondingly and used for conveying screws to the screw locking assembly. The wire feeding assembly comprises a case, a hopper, a wire feeding mechanism, a conveying mechanism and a wire separating mechanism; the punching assembly comprises a dust suction box, and the dust suction ...

Automatic ampoule injection dispensing robot

The invention discloses an ampoule injection automatic dispensing robot which comprises a base plate, an ampoule injection feeding automatic clamping and automatic discarding module is installed on the base plate, and a needle cylinder suction module and a bottle breaking module are installed on the rear side of the ampoule injection feeding automatic clamping and automatic discarding module. A needle cylinder suction module is installed on the base plate, a solvent rotary table module is installed on one side of the needle cylinder suction module, a display screen module is installed on the base plate, the display screen module is connected with a controller, and the controller is connected with the needle cylinder suction module, an ampoule injection feeding automatic clamping and automatic discarding module, the solvent rotary table module and a bottle breaking module. According to automatic configuration of a hospital informatization system, the probability of accidents caused by medicine ...

Building drainage device

The invention relates to the field of house building drainage, in particular to a house building drainage device which comprises a water storage tank, the water storage tank is a rectangular shell with an opening in the upper end, a piston plate is arranged in a cavity of the water storage tank, a first drainage pipe is fixed to the right end face of the water storage tank, and a plurality of drainage openings are formed in the middle of the left end face of the water storage tank. A water outlet is formed in the lowermost end of the left vertical plate, a filter plate is hinged to the upper end face of the right vertical plate, a horizontal transverse rod is arranged on the left side of the cavity of the water storage tank, and the transverse rod can prevent the left end of the filter plate from swinging downwards; rainwater at the top of a house is collected through the water storage tank, vegetation is irrigated through the water outlet, the position of the piston plate is changed through ...

Boundary control device for one-dimensional SHPB test of discrete material

The invention discloses a boundary control device for a one-dimensional SHPB test of a discrete material. The boundary control device comprises an inner stepped sleeve, a cushion block, a water stop silica gel ring and a lantern ring pressure head, the middle of the inner step sleeve is a placing area, two ends of the inner step sleeve are connecting areas, the inner diameter of the connecting areas is larger than that of the placing area to form a step structure, convex grooves are axially and circumferentially formed in the step, and internal threads and through screw holes are formed in the connecting areas; the cushion block extends to the placing area from the connecting area; the water stop silica gel ring is arranged at the step and located between the cushion block and the connecting area. The lantern ring pressing head is arranged on the outer wall of the cushion block in a sleeving mode and provided with an external thread, and the water stop silica gel ring is pressed to be deformed ...

Biogas residue-based modified charcoal as well as preparation method and application thereof

The invention provides biogas residue-based modified charcoal as well as a preparation method and application thereof, and relates to the technical field of biomass reutilization. According to the invention, livestock manure biogas residue is used as a raw material, and the biogas residue is modified by using an alkali solution to obtain the alkali modified biogas residue biochar. The prepared modified biogas residue biochar can promote the anaerobic digestion process of pig farm manure water, significantly strengthen the biogas production effect, improve the stability degree of fermentation liquor, promote decomposition and conversion of organic acid, and improve the anaerobic digestion efficiency.

Crystal form of aldose reductase inhibitor and preparation method and application thereof

The invention provides a crystal form II of salt of an aldose reductase inhibitor as shown in a formula A-N. The crystal form is easy to dry, good in solubility, stable in quality, stable in thermodynamics, small in relative hygroscopicity and easy to prepare medicines.

Gypsum board core quality detection method, device and medium

The invention relates to the field of image processing, and discloses a plasterboard core quality detection method and device, and a medium, and the method comprises the steps: obtaining a to-be-processed image of a to-be-detected plasterboard core, so as to facilitate the subsequent detection of the quality of a plasterboard; performing edge detection on the to-be-processed image to obtain contour information of bubbles in the to-be-processed image; and determining the quality information of the to-be-detected gypsum board core according to the contour information. Therefore, according to the technical scheme provided by the invention, the gypsum board core image is acquired through the image acquisition device, and the board core image is subjected to image processing to obtain the bubble data of the gypsum board core so as to determine the quality information of the gypsum board core, so that a manager can adjust the foaming technology in time according to the bubble data, and the foaming ...

Method for identifying detection result of particle collision noise detection system

The invention discloses a method for judging a detection result of a particle collision noise detection system, and the method comprises the following steps: 1, collecting signal data through a PIND system, and carrying out the filtering of a collected signal; 2, performing pulse extraction on the signal data of which the fundamental waves are removed by adopting a three-threshold and peak value method; step 3, performing initial framing on the pulse data, and performing framing window adaptive scaling twice according to analysis on the framing data; and step 4, performing frequency spectrum centroid tracking and pulse peak tracking on the signal pulse, and identifying the detection signal according to a tracking result. The method can be used for discriminating the redundant material signal, the single component signal, the complex component signal and the mixed signal formed by the redundant material signal and the component signal.

SEAT FRAME AND SEAT AND VEHICLE

Provided are a seat frame (101) and a seat and a vehicle; the seat frame (101) comprises: a seat-back frame (110) and a seat-cushion basin assembly (120); the seat-back frame (110) comprises: an upper horizontal plate (111), a lower horizontal plate (113), and two side panels (112); the seat-cushion basin assembly (120) comprises: a seat cushion (103) and a seat basin (102); the seat basin (102) is arranged on the front side of the seat cushion (103); the seat frame (101) is provided with at least one of: a mounting part (131) for a motor for a shoulder-part adjustment mechanism, a mounting part (132) for a shaft of the shoulder-part adjustment mechanism, a seat-back flank mounting part (133), a mounting part (134) for a seat-back frame angle adjustment device, a mounting part (135) for a seat-basin height adjustment mechanism, a seat-basin flank mounting part, a mounting part (137) for a seat-basin inclination-angle adjustment mechanism, and a foot-rest mounting part (127). The arrangement ...

LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE

A liquid crystal composition comprises: a compound of general formula I serving as a first component; a compound of general formula II-1 and/or general formula II-2 serving as a second component; a compound of general formula III serving as a third component; a compound of general formula IV serving as a fourth component; a compound of general formula V serving as a fifth component; and a compound of general formula VI serving as a sixth component. The liquid crystal composition has at least one characteristic of high dielectric anisotropy, high optical anisotropy, a high voltage holding ratio and a low threshold voltage, and is suitable to be used in a liquid crystal display device. Also provided is a liquid crystal display device comprising the liquid crystal composition.

Spandex wrap yarn CV value detection method based on improved FRFCM

The invention discloses a spandex wrap yarn CV value detection method based on improved FRFCM, and the method comprises the following steps: carrying out the preprocessing of a to-be-detected spandex wrap yarn image, and obtaining a preprocessed image; on the basis of improved FRFCM, smoothing processing and clustering processing are carried out on the preprocessed image, and a spandex covered yarn evenness image is obtained; and processing the spandex-covered yarn evenness image by adopting morphological opening operation to obtain an accurate spandex-covered yarn evenness image, and calculating the average diameter and CV value of the spandex-covered yarn evenness in the accurate spandex-covered yarn evenness image. According to the method, the FRFCM algorithm is utilized to introduce the image smoothing algorithm in the process of extracting the yarn levelness of the spandex wrap yarn, the influence of the isolated part of the spandex wrap yarn is effectively filtered out, the processing ...

Ejection type high-speed planting test device

An ejection type high-speed planting test device comprises a soil tank, a soil tank conveying device, a synchronous belt linear module, a rack, a planting device, a high-speed camera and a computer, the soil tank conveying device is placed on the ground, and the soil tank is arranged in the middle of the soil tank conveying device; the rack stretches across the soil bin conveying device and is horizontally arranged in the middle in the conveying direction. The synchronous belt linear modules are installed on the rack and comprise the first synchronous belt linear module, the second synchronous belt linear module, the third synchronous belt linear module and the fourth synchronous belt linear module, and the planting device is arranged in parallel to the third synchronous belt linear module and installed on the third synchronous belt linear module; and the high-speed camera is arranged between the soil bin conveying device and the third synchronous belt linear module. Pot seedlings can smoothly ...

Camera management device, system and method applied to intelligent rod

The invention discloses a camera management device applied to an intelligent rod, and the device comprises a first communication module which is in communication connection with an upper-layer platform, is used for specifying a communication protocol between the upper-layer platform and a camera management module with the upper-layer platform through an object model, and displays a network camera to the upper-layer platform through the object model; the second communication module is used for being in communication connection with the network camera according to a preset communication protocol; and the camera management module is in communication connection with the network camera and the upper platform and is used for storing and recording attributes of the network camera, providing corresponding capability calling and providing a uniform interface for the upper platform to realize protocol conversion of up-down communication. According to the invention, functions required by the network ...

High-strength low-magnetic-conductivity stainless steel profiled bar processing technology

The invention discloses a high-strength low-magnetic-conductivity stainless steel profiled bar processing technology which comprises the following steps: S1, continuously drawing a round wire/round bar, and controlling the total area reduction rate within the range of 5-22%; s2, solution treatment is conducted on the round wire/round rod before rolling, continuous heating is conducted in a furnace, the furnace temperature is 800 +/-10 DEG C, the speed is 0.5 +/-0.1 m/min, the in-furnace time is 18 min, a furnace tube is filled with argon, the total inflation flow is 60-100 NL/min, and the oxygen content is smaller than 0.5%; s3, flat rolling is conducted on the round wire/round rod through two pairs of rollers to form a flat wire/flat material, and the area reduction rate is controlled within the range of 5%-12%; s4, four-roller flat rolling and edge closing are conducted on the flat wire/flat material, and the area reduction rate is controlled within the range of 3%-6%; s5, the flat wire ...

Radiotherapy sensitization radioactive particle and preparation method thereof

The invention discloses a radiotherapy sensitization radioactive particle and a preparation method thereof. The radiotherapy sensitization radioactive particle is characterized by comprising a radioactive particle 1 and a sensitization drug coating 2. The preparation method comprises the following steps: putting the radioactive particles into a solution of the sensitizing drug with the concentration of 5-50mg/L and the macromolecular biological material with the concentration of 0.05-5g/mL, carrying out electromagnetic stirring reaction at room temperature for 5-20 minutes, taking out the radioactive particles, and airing to prepare the radiotherapy sensitizing radioactive particles. The radioactive particles provided by the invention can be used for radiotherapy sensitization, and can realize dual effects of radiotherapy and radiotherapy sensitization; the production process is simple, easy to control and easy for large-scale production; the clinical use is convenient, the recurrence rate ...

Fuel cell system hydrogen discharging method and device, electronic equipment and readable storage medium

The invention provides a fuel cell system hydrogen discharge method and device, electronic equipment and a readable storage medium, and relates to the technical field of fuel cell systems, and the method comprises the following steps: determining the exhaust speed and the exhaust density according to the current exhaust volume flow of a hydrogen discharge valve in a hydrogen circulation path; determining a target constant according to the exhaust speed and the exhaust density; calculating a real-time nitrogen concentration in the hydrogen circulation path based on the target constant; if the real-time nitrogen concentration meets the preset hydrogen discharge requirement, the hydrogen discharge valve is controlled to be opened, and the step of determining the exhaust speed and the exhaust density according to the current exhaust volume flow of the hydrogen discharge valve in the hydrogen circulation path is repeatedly executed till the real-time nitrogen concentration meets the preset nitrogen ...

Air-ground communication access control method and device, equipment and storage medium

The invention discloses an air-to-ground communication access control method and device, equipment and a storage medium. The method comprises the following steps: establishing an air-to-ground communication authentication link with an airborne client based on an RFC 6733 protocol; acquiring an authentication request carrying authentication information sent by the airborne client through the air-ground communication authentication link based on a preset air-ground authentication protocol, and authenticating the airborne client by using the authentication information; the preset air-ground authentication protocol is a protocol added on the RFC 6733 protocol in advance; and if the authentication is successful, returning a corresponding authentication success notification to the airborne client, and screening a target service data transmission link used for sending a service data message for the airborne client, so that the airborne client carries out air-ground service communication through ...

COMPOUND FOR TREATMENT OR PREVENTION OF LIVER DISEASES

Disclosed are compounds for the treatment or prevention of liver diseases, which are compounds represented by the general formula (I) or (II), optical isomers or pharmaceutically acceptable salts thereof that can be applied to the preparation of drugs for treating or preventing liver diseases.

URAT1 INHIBITOR FOR PROMOTING URIC ACID EXCRETION

The present invention belongs to the field of medicinal chemistry. Specifically disclosed is a class of URAT1 inhibitors for promoting uric acid excretion, which are compounds as represented by the structure of formula (I) or pharmaceutically acceptable salts thereof. Experiments show that the compounds provided by the present invention have a very good inhibitory effect on the transport of uric acid by hURAT1 in HEK293 transfected cells, and that such compounds have a good application prospect in the treatment of hyperuricemia or gout.

基于脑电信号的耳鸣识别系统

... 本发明提供了一种基于脑电信号的耳鸣识别系统，包括脑电信号采集装置和识别装置，所述脑电信号采集装置与所述识别装置电性连接；所述脑电信号采集装置用于采集被测对象的大脑两侧听觉区域的多路脑电信号，并把所述脑电信号发送至所述识别装置；所述识别装置用于计算多路所述脑电信号中两两之间的连通性特征值，把所述连通性特征值输入基于BP神经网络的识别模型，得到两个耳朵的耳鸣系数值，输出所述耳鸣系数值；所述连通性特征值包括皮尔逊相关系数、相位锁定值、转移熵中的至少一项；该基于脑电信号的耳鸣识别系统有利于提高耳鸣识别速度和识别结果准确性。 ...

Public building individual energy consumption monitoring and evaluating system and method

The invention discloses a public building individual energy consumption monitoring and evaluating system and method, and belongs to the technical field of building energy consumption monitoring. The system comprises a data acquisition module, a data processing module, a data transmission module and a WIFI device. The data acquisition module comprises an individual intelligent terminal, a central air-conditioning energy consumption monitoring system, a lighting energy consumption monitoring system, an elevator energy consumption monitoring system, an energy consumption monitoring system for other electric appliances and a human body sensor; the data acquisition module is connected with the data processing module; the other electric appliance energy consumption monitoring system comprises two-dimensional codes or NFC chips corresponding to electric appliances and sockets in a building. The illumination energy consumption monitoring system, the elevator energy consumption monitoring system ...

3D printer feed-forward driving control method based on pseudo-input Gaussian process

The invention discloses a 3D printer feed-forward driving control method based on a pseudo-input Gaussian process. The 3D printer feed-forward driving control method comprises the following specific steps: step 1, representing a 3D printer driving system P as a causal system type and a non-causal system type in a discrete form; step 2, enabling a control system to obtain an output track matched with an expected track under the action of a feed-forward compensation controller; step 3, obtaining an inverse model required by feed-forward compensation of the system for inversion; 4, reexpressing the inverse model of the driving system as Gaussian feed-forward compensation; step 5, constructing a sparse pseudo-input Gaussian process feedforward control architecture; and step 6, introducing the Gaussian process algorithm in the step 4 into system inverse model identification, optimizing Gaussian feed-forward control in combination with the step 5, and then loading the optimized inverse model ...

Method for predicting time sequence trend of permafrost InSAR

The invention discloses a permafrost InSAR (Interferometric Synthetic Aperture Radar) time sequence trend prediction method, which comprises the following steps: acquiring permafrost region SAR image data, and processing the SAR image data to acquire an interferogram conforming to coherence; correcting the interferogram by using atmospheric correction and precision orbit parameters to obtain a corrected interferogram; based on the corrected interferogram, obtaining deformation data of the corrected interferogram by using an inversion strategy; and constructing an improved Prophe model, and performing long-time-sequence trend prediction on the permafrost region based on the deformation data and the improved Prophe model. According to the method, the frozen soil deformation trend can be efficiently, safely and accurately predicted in the extreme climate environment, the monitoring dimension, the disaster early warning precision and the engineering safety coefficient of the frozen soil area ...

Long arc chip connection method and structure

The invention discloses a long-arc chip connection method, which comprises the following steps of: providing a packaging substrate on which a chip to be welded is arranged; a support is placed between a welding spot of the to-be-welded chip and a corresponding welding spot of the packaging substrate, and an aluminum bar is laid on the support; taking a welding spot on the chip to be welded as a first welding spot, taking a connecting point at one end of an aluminum bar on the bracket as a second welding spot, and performing welding wire connection on the first welding spot and the second welding spot by using a welding wire machine; a connecting point at the other end of the aluminum bar on the support serves as a third welding point, a corresponding welding point on the packaging substrate serves as a fourth welding point, and the third welding point and the fourth welding point are connected through a welding wire of a welding wire machine; molten tin is injected into the connecting points ...

GROUNDING DEVICE AND GROUNDING SYSTEM FOR RAILWAY VEHICLE

Provided are a grounding device (1) and a grounding system (100) for a railway vehicle, wherein the grounding device (1) comprises: a mounting frame (11) and a conductive member (12). The mounting frame (11) comprises a first support frame (111) and a second support frame (112) connected together and forming an angle, wherein the first support frame (111) is adapted to connect to a bogie of the railway vehicle. The conductive member (12) has a flat shape and is adapted to connect to a vehicle body or the bogie of the railway vehicle. The conductive member (12) comprises a mounting portion (121) and a contact portion (122) connected together. The mounting portion (121) and the second support frame (112) are connected together. The contact portion (122) is adapted to abut against a grounding rail (2) on a railway beam.

PACKAGE DEPLOYMENT METHOD, ELECTRONIC DEVICE AND DISTRIBUTED SYSTEM

A package deployment method, an electronic device, and a distributed system. The method is applied to a first computing node, and comprises: receiving training session information (S101), wherein the training session information comprises information on each computing node executing a training session; determining, according to the training session information, whether the first computing node is in a master state (S102); and if yes, obtaining a training package, and deploying the obtained training package to each computing node executing the training session (S103). As such, only a computing node in a master state obtains a training package, and the obtained training package is only deployed to the computing node executing a training session. Since it is not necessary for all computing nodes to obtain the training package from a management device, the method reduces pressure on network bandwidth.

Waste household appliance value evaluation system based on classification selection enhanced prediction model

The invention relates to the technical field of waste household appliance recovery, and provides a waste household appliance value evaluation system based on a classification selection enhanced prediction model, which comprises a data preprocessing module, a model training module and a value estimation output module. According to the method, a classification selection enhanced prediction model is adopted, so that the value of the waste household appliances can be evaluated and predicted more accurately; according to the invention, an artificial intelligence technology is adopted, so that automatic treatment of waste household appliances is realized; according to the method, factors such as recovery cost, function conditions and use time of the waste household appliances are comprehensively considered, and the value of the waste household appliances is evaluated and predicted; the method can be applied to various types of waste household appliances, and can also be applied to value evaluation ...

E-government affair platform communication management method and system based on cloud data

The invention provides an electronic government affair platform communication management method and system based on cloud data, and relates to the technical field of data processing. A submenu is generated by analyzing information input by a client, and a submenu selection result is generated based on user selection; and obtaining an availability analysis result of the submenu selection result, generating a simplification determination option and a simplification cancellation option, and cleaning or directly displaying text information of the submenu selection result according to a user option result. The technical problem that in the prior art, due to the fact that the requirement for the information understanding ability of a user and the operation ability of electronic equipment is high when electronic government affair service query handling is used, the experience of part of users using the electronic government affair service is poor is solved. The technical effects of reducing the ...

MUSIC direction finding method based on cross array of underwater information system

The invention relates to a MUSIC direction finding method based on an underwater information system cross array, and belongs to the technical field of underwater sound direction finding. In order to solve the problems of low receiving signal-to-noise ratio and low direction finding precision of underwater signal direction finding, the invention provides a MUSIC direction finding method based on an underwater information system cross array, on the basis of a MUSIC algorithm, by utilizing frequency extraction and spatial spectrum accumulation, the cross array is firstly used for carrying out direction finding processing on a signal to obtain a relative position relationship between the signal and the cross array, and the direction finding precision is low. And then selecting a proper linear array in the cross array to carry out direction finding processing on the signal, so that the direction finding of the underwater target sound signal under the low signal-to-noise ratio can be effectively ...

Marine pressure-controlled drilling experimental simulation device and experimental method thereof

The invention provides a marine pressure-controlled drilling experimental simulation device and an experimental method thereof. The experimental simulation device for ocean pressure-controlled drilling comprises an experimental pipeline, wherein the experimental pipeline comprises an inlet pipeline, a first branch pipeline and an outlet pipeline which are connected in sequence; the fluid supply module is positioned in the inlet pipeline and is used for injecting fluid into the inlet pipeline; the first throttling valve is mounted on the first branch pipeline and used for adjusting the flow of fluid in the first branch pipeline; the first displacement sensor is connected with the first throttle valve and is used for detecting the opening degree of the first throttle valve; the pressure sensors are installed on the first branch pipeline, located at the two ends of the first throttling valve respectively and used for detecting the pressure at the two ends of the first throttling valve respectively ...

Acid pickling method and equipment for titanium alloy plate strip

The invention discloses an acid pickling method and equipment for a titanium alloy plate strip. The method comprises the steps that the pretreated titanium alloy plate strip is subjected to first acid pickling, second acid pickling and rinsing; the acid pickling I and the acid pickling II both adopt a mixed solution of nitric acid and hydrofluoric acid or villiaumite, the mass fraction of the nitric acid in the mixed solution I of the acid pickling I is 15-30%, and the mass fraction of fluorine ions in the hydrofluoric acid or villiaumite is 5-8%; the mass fraction of nitric acid in the mixed solution II for pickling II is 15-30%, and the mass fraction of fluorine ions in hydrofluoric acid or villiaumite is 2-4%; the hydrogen permeation depth of the surface of the titanium alloy plate strip subjected to second pickling treatment is not greater than 6 microns; the rinsing adopts a plurality of sections of rinsing tanks which are in series flow stage by stage to spray and rinse in sequence ...

Fault diagnosis method for photoelectric protector

The invention relates to the technical field of photoelectric protector detection, in particular to a fault diagnosis method of a photoelectric protector. The method comprises the following steps: firstly, acquiring an infrared signal of infrared light collected by a photoelectric protector; determining the noise influence degree according to the fluctuation degree of the infrared signal of each infrared light; the attenuation degree is determined according to the difference between the infrared signals and the noise influence degrees of different infrared light; correcting the infrared signal based on the attenuation degree to obtain a corrected signal; determining the filtering weight of each infrared light in combination with the ambient light influence factor, the fluctuation condition of the infrared signal and the correction signal; iteratively updating the filtering weight, and updating the correction signal; obtaining a signal error according to the corrected signals updated by ...

LIQUID CRYSTAL COMPOSITION AND APPLICATION THEREOF

The present invention discloses a liquid crystal composition and an application thereof. The liquid crystal composition comprises at least one compound according to formula I, and at least one compound selected from a group consisting of compounds according to general formula II-1, general formula II-2, and combinations thereof. The liquid crystal composition provided by the present invention has suitable optical anisotropy, a high clearing point, high elastic constants K11 and K33, and relatively low dielectric anisotropy. When applied to liquid crystal displays, the liquid crystal composition has better weather resistance and higher contrast.

LIQUID CRYSTAL COMPOSITION AND DISPLAY DEVICE THEREOF

Provided are a negative dielectric anisotropy liquid crystal composition and a liquid crystal display device comprising the liquid crystal composition. The liquid crystal composition comprises: a first ingredient, the first ingredient comprising one or more compounds of formula I; a second ingredient, the second ingredient comprising two or more compounds of formula II; and a third ingredient, the third ingredient comprising one or more compounds of formula III.

DEEP LEARNING MODEL TRAINING METHOD AND SYSTEM

A deep learning model training method, said method comprising: generating N first gradient sets during the j-th iteration of BP calculation of N deep learning models, adjusting the communication order of the gradients included in the first gradient sets, and transmitting to a parameter storage space the gradients included in the first gradient sets not in the order the gradients included in the first gradient sets are generated. According to the adjusted communication order of the gradients, separately transmitting to the parameter storage space the gradients included in the N first gradient sets. With the method, the order of transmission of the gradients acquired from the current iteration to the parameter storage space is adjusted so as to improve the efficiency of deep learning model training.

Steel bar truss floor plate production line

The invention discloses a steel bar truss floor plate production line which comprises a truss floor plate assembling part, a drilling and locking fixing part and a stacking part, after steel bar trusses and floor plates are assembled through the truss floor plate assembling part, the steel bar trusses and the floor plates are conveyed to the drilling and locking fixing part to be punched, locked and fixed, and then the steel bar trusses and the floor plates are conveyed to the stacking part to be overturned and stacked; the truss floor plate assembling part comprises a rack, a truss containing frame, a supporting frame, a truss transferring frame, a plate containing frame, a plate transferring frame, a plate positioning assembly and a pressing assembly. The drill lock fixing part comprises a first electric box supporting frame, a second electric box supporting frame, a plurality of wire locking assemblies, a plurality of punching assemblies and a plurality of wire feeding assemblies. The ...

Sound effect enhancement method and system for streaming media code stream

The invention discloses a sound effect enhancement method and system for a streaming media code stream, and belongs to the technical field of computers, and the method comprises the steps: receiving code stream information transmitted by a streaming media service; acquiring preset sound effect information; loading a quantization parameter packet through an inference model based on the audio information; the audio code stream is transcoded, and then the transcoded code stream is preprocessed; determining an equilibrium feature sequence and a reverberation feature sequence based on an inference model; based on the feature sequence, the audio processing device performs sound effect enhancement on the code stream; playing the enhanced audio data through a playing device; wherein the reasoning model comprises an equilibrium feature reasoning layer and a reverberation feature reasoning layer; according to the invention, a sound effect enhancement function is added on the basis of audio transmission ...

Foam in-situ generation and evaluation device and method suitable for ultra-deep oil and gas reservoirs

The invention belongs to the technical field of foam flooding of ultra-deep oil and gas reservoirs, and particularly relates to a foam in-situ generation and evaluation device and method suitable for the ultra-deep oil and gas reservoirs. According to the invention, foam in-situ growth and evaluation are realized through integration of a foam generation area and an observation area; the gravity action evaluation of foam and the evaluation of the form of a single foam are realized through the arrangement of the pressure-resistant heat-preservation capillary tube; the blade holes are formed in the blades of the stirring paddle, so that the real condition that a foaming agent solution is sheared by a porous medium in different types of stratums is simulated; and the interior of the device is cleaned through the upper cover capable of being opened and closed. In addition, according to the foam in-situ generation and evaluation device suitable for the ultra-deep oil and gas reservoir, testing ...

Logistics circulation packaging asset management system and data processing method thereof

The invention discloses a logistics circulation packaging asset management system. The system comprises a data acquisition module which acquires circulation packaging circulation information recorded by an Internet of Things label; the inventory management module counts in-warehouse and out-warehouse data of the circular package according to the in-warehouse and out-warehouse point information; the tracking management module obtains asset distribution information and a moving track route of the circulating package according to the positioning information of the circulating package and the branch circulation information; the data analysis module is used for analyzing whether the circulating package is overdue or not according to the outlet and inlet data, analyzing the utilization rate and loss rate of the circulating package according to the inventory data, and analyzing whether the circulating package and the packaged product are abnormal or not according to the transportation protection ...

Data comparison method and device, equipment and medium

The invention provides a data comparison method and device, equipment and a medium, and the method adds a task distribution stage and a comparison stage on the basis of establishing a database system. In the task distribution stage, the problems of a data idle period and comparison task sorting are considered, a dual data abstract comparison mode is adopted in the comparison stage, and the comparison time is shortened under the condition that the comparison efficiency is ensured and the existing service is not interrupted.

Seat-back integrated heating seat for motor tricycle

The invention discloses a seat-back integrated heating seat for a motor tricycle, and relates to the technical field of seat-back heating seats, the seat-back integrated heating seat for the motor tricycle comprises a tricycle seat-back seat body, the tricycle seat-back seat body comprises a buffer supporting seat platform, and a backrest supporting mechanism is detachably mounted on the outer surface of the right side of the buffer supporting seat platform; a cushion heating mechanism is fixedly connected to the surface of the outer side of the top of the buffering supporting seat table in a threaded mode. High-temperature heating of the heating plate is protected through the flame-retardant layer in the sponge mat, spontaneous combustion and incineration of the seat caused by a heat source due to the fact that the temperature of the high-temperature heating rod is too high are reduced, an external water source is isolated through the waterproof layer, the water source is prevented from ...

Method, system and device for intelligently restoring data file to black box based on RDBMS and medium

The invention discloses a method, system and device for intelligently restoring a data file to a black box based on an RDBMS and a medium. The method comprises the steps that a backup file in a database is obtained; based on the backup file, obtaining a data block of a backup file compression format; performing analysis processing on the data blocks in the backup file compression format based on an analysis algorithm to obtain database metadata information; screening the metadata information to obtain target data, and visually displaying the import process and the target data; and restoring the target data to realize the self-defined library table restoration of the backup file. The working efficiency can be effectively improved. The data file intelligent analysis black box system is used for restoring the database backup file, and the processes of whole library restoration and partial table backup of an administrator are omitted when only partial library tables are restored in non-whole ...

Power distribution test cabinet wiring sequence identification method and system based on deep learning

The invention provides a power distribution test cabinet wiring sequence identification method and system based on deep learning, and the method comprises the following steps: collecting a first to-be-tested picture corresponding to a wiring sequence identification region after the wiring operation of a student is completed; performing identification area zooming on the first to-be-tested picture to obtain a second to-be-tested picture, and intercepting N 50 * 50 rectangular pictures from the second to-be-tested picture; inputting a rectangular picture into the lightweight wiring sequence identification network model to obtain N one-dimensional color arrays; processing the N one-dimensional color arrays by utilizing an argmax function, and predicting category indexes corresponding to the N rectangular pictures; respectively mapping the predicted N category indexes to corresponding color labels to obtain N color labels; removing adjacent and same color labels in the N color labels to obtain ...

Method for improving catecholamine mass spectrum quantitative detection sensitivity by using vitamin C

The invention discloses a method for improving catecholamine mass spectrum quantitative detection sensitivity by using vitamin C, and belongs to the technical field of liquid chromatography-tandem mass spectrum quantitative detection. The method comprises the steps of solution preparation, solution pretreatment, liquid chromatography-mass spectrometry detection, data processing and analysis and the like. Wherein 50% of acetonitrile and 0.05% of vitamin C are used for preparing a stock solution, and 0.01% of vitamin C solution is used for redissolving, so that the detection sensitivity of catecholamine substances can be effectively improved, and the method has a relatively good application prospect.

Air conditioning system

... 本实用新型提供一种空调系统，其中，空调系统具有冷媒压缩循环，冷媒压缩循环包括压缩机、气液分离器、膨胀阀和室外换热器，膨胀阀与室外换热器通过第一管路连接，冷媒压缩循环还包括热气旁通回路，热气旁通回路的第一端连通在压缩机的排气管路上，热气旁通回路的第二端连接在气液分离器的进气管路上，热气旁通回路的管路上设置有第一换热器，第一换热器包裹在第一管路的外侧。本实用新型的空调系统有效地解决了现有技术中空调系统除霜效果差的问题。 ...

Track-free self-climbing type tower outer surface inspection vehicle

The invention relates to a trackless self-climbing type tower outer surface inspection vehicle which comprises a primary frame (1), a secondary frame (2), a first attachment system (3), a second attachment system (4), a power system (5) and an operation platform (6). The primary frame (1) and the secondary frame (2) are sleeved on the outer side of a bridge tower (7), the primary frame (1) is provided with a first attachment system (3), the secondary frame (2) is provided with a second attachment system (4), a power system (5) is arranged between the primary frame (1) and the secondary frame (2), and an operation platform (6) is arranged on the primary frame (1) or the secondary frame (2). Compared with the prior art, the invention provides the device which does not need a track or a lifting cable, can climb vertically along the building by virtue of a self power system and an attachment system, and thus realizes the maintenance of the outer surface of the high-rising building.

Gypsum board quality detection method, device and medium

The invention relates to the field of machine learning, and discloses a plasterboard quality detection method and device, and a medium, and the method comprises the steps: obtaining a to-be-detected image of a plasterboard for subsequent processing; performing classification processing on the to-be-detected image by using the instance segmentation model to obtain a classification result; wherein the instance segmentation model is an encoder-decoder network determined on the basis of a feature extraction network and an up-sampling algorithm, and is obtained by training on the basis of a manual annotation data set; and processing the to-be-detected image through a watershed algorithm to determine bubble contour information in combination with a classification result so as to determine information such as bubble number and bubble size in the gypsum board, thereby judging whether the gypsum board is a defective board according to the bubble contour information. The image is processed through ...

Fusarium rubrum virus FiHV1-XJ18 and application thereof

The invention discloses a fusarium rubrum virus FiHV1-XJ18 and an application of the fusarium rubrum virus FiHV1-XJ18. The invention provides a fusarium rubrum virus FiHV1-XJ18, which can obviously influence the colonial morphology of fusarium rubrum and fusarium oxysporum, obviously inhibit the growth of hyphae and reduce the yield and biomass of conidia, so that the pathogenicity of fusarium rubrum and fusarium oxysporum is weakened, and the fusarium rubrum virus FiHV1-XJ18 can be used for preventing and treating the fusarium rubrum and fusarium oxysporum. The bactericidal composition can be used for preventing and treating plant fungal diseases caused by fusarium rubrum or fusarium oxysporum. The diversity of fungal viruses is enriched, meanwhile, a new biological prevention and control resource is provided for prevention and control of plant fungal diseases caused by fusarium rubrum or fusarium oxysporum, biological prevention and control of the plant fungal diseases are facilitated ...

La-Ca layered hydroxide phosphate adsorbent and two-step synthesis method thereof

The invention discloses a La-Ca layered hydroxide phosphate adsorbent and a two-step synthesis method thereof. Metal ions for synthesizing layered hydroxides are changed, La < 3 + > with relatively high selectivity to phosphorus and Ca < 2 + > with low cost and environment friendliness are selected, a two-step method (coprecipitation and hydrothermal reaction) is adopted, the reaction rate of material synthesis is controlled through a nanofiltration membrane, and diazonium salt is added as an auxiliary agent, so that the layered hydroxides are synthesized. The La-Ca layered hydroxide adsorption material with an excellent adsorption effect on phosphorus phosphate in a water body is synthesized. The method has the advantages of simplicity and convenience in operation, low cost, high phosphorus adsorption capacity of the synthetic material, high phosphorus adsorption rate and the like.