Machine translation method with efficient nonlinear attention structure

The invention relates to a machine translation method with an efficient nonlinear attention structure, and the method comprises the steps: obtaining a translation corpus, building a word list based on the translation corpus, and converting a source language sentence into a digital index through the word list; converting the target end input into a second digital index; building a translation model, wherein the translation model comprises an embedded layer, an encoder, a decoder and a reverse embedded layer; the embedded layer outputs a source end input vector and a target end input vector; the encoder outputs a context vector based on the source end input vector; training an encoder; and the trained decoder obtains a target language word vector based on the context vector. In the decoding process, screening out a target language word vector string with the maximum prediction probability sum with the candidate word in the previous text to obtain a target language sentence vector; the target ...

Probiotic composition capable of improving cognitive level of Alzheimer's disease and application

The invention discloses a probiotic composition capable of improving the cognitive level of Alzheimer's disease and application of the probiotic composition. The composition comprises 25-30 parts of maltitol, 20-25 parts of resistant dextrin, 5-8 parts of bifidobacterium lactis, 5-8 parts of lactobacillus plantarum, 1-2 parts of lactobacillus acidophilus, 1-2 parts of lactobacillus casei, 1-2 parts of lactobacillus rhamnosus, 1-2 parts of lactobacillus paracasei, 1-2 parts of bifidobacterium breve, 1-2 parts of lactobacillus reuteri, 1-2 parts of streptococcus thermophilus, 2-5 parts of isomaltooligosaccharide, 2-5 parts of fructo-oligosaccharide, 2-5 parts of galactooligosaccharide, 2-5 parts of stachyose and 2-5 parts of inulin. 18-23 parts of silicon dioxide and 10-15 parts of wall-broken ganoderma lucidum spore powder.

底座（单底座双腔体话筒）

话筒（单底座双腔体话筒）

Prefabricated box girder steel bar binding jig frame system and construction method

The invention relates to a prefabricated box girder reinforcing steel bar binding jig frame system and a construction method. The construction method comprises the steps of bottom web reinforcing steel bar cage binding jig frame installation, reinforcing steel bar cage lifting frame machining, bottom web reinforcing steel bar cage lifting, top plate reinforcing steel bar cage binding, top plate reinforcing steel bar cage lifting and prefabricated box girder reinforcing steel bar cage assembling. The prefabricated box girder reinforcement cage binding jig has the beneficial effects that the bottom web reinforcement cage binding jig frame and the top plate reinforcement cage binding jig frame are used for binding a bottom plate reinforcement cage, a web reinforcement cage and a top plate reinforcement cage correspondingly, and the prefabricated box girder reinforcement cage binding construction efficiency is effectively improved; the bottom web reinforcing steel bar hoisting support and the ...

Rapid construction equipment for field photovoltaic power generation system and construction method thereof

The invention discloses rapid construction equipment for a field photovoltaic power generation system and a construction method thereof.The construction equipment comprises a vehicle body and stand columns, the stand columns are arranged at the vertex angles in a compartment of the vehicle body, and the stand columns located on the two sides of the compartment are provided with first telescopic assemblies; wherein one end of one group of first telescopic assembly is connected with the stand column, and the other end is connected with the first photovoltaic panel and used for rotating the first photovoltaic panels on the two sides of the carriage along the top end of the stand column; the building method comprises the following steps that a vehicle body is moved to a target area, an isolation belt is arranged on the periphery of the target area, an electric telescopic rod is started to drive a first connecting rod assembly to extend, and the first connecting rod assembly extends to drive ...

DISTRIBUTED POWER GENERATION DISPERSED STATE MONITORING DEVICE

The present invention relates to a distributed power generation dispersed state monitoring device and belongs to the field of new energy integration. The device comprises a power supply module, an input conditioning module, a data processing module and a network communication module which are successively connected, wherein the input of the device is only a common civil plug; while the common civil plug is inserted in a civil power supply 220 V socket, power is input into the power supply module and the input conditioning module of the device, and the power supply module can guarantee the proper operation of the device by conditioning voltage; the input conditioning module is responsible for conditioning an input voltage signal, extracting a voltage transient signal and a steady-state signal to be analyzed and inputting the signals to the data processing module; the data processing module is responsible for analyzing the voltage transient and steady state signals and judges the running ...

METHOD AND APPARATUS FOR PROCESSING TWO-DIMENSIONAL CODE IMAGE, AND TERMINAL AND STORAGE MEDIUM

A method and apparatus for processing a two-dimensional code image, and a terminal and a storage medium. The method comprises: converting an acquired original two-dimensional code image into a grayscale two-dimensional code image (S110); filtering the grayscale two-dimensional code image to obtain a baseband frequency layer image of the grayscale two-dimensional code image (S120); and performing histogram statistics on the baseband frequency layer image, selecting a local dynamic threshold value according to a grayscale comparison feature of the baseband frequency layer image in a histogram statistical result, and performing binaryzation on the baseband frequency layer image according to the local dynamic threshold value so as to obtain a binary two-dimensional code image (S130).

Electric power collection system and method of photovoltaic power generation system

The invention provides an electric power collection system and method for a photovoltaic power generation system, and the method comprises the steps: predicting the photovoltaic power generation capacity distribution of a region through the meteorological law information of the region where the photovoltaic power generation system is located, and obtaining the prediction distribution of the power generation capacity of the region; monitoring and tracking the photovoltaic power generation energy efficiency ratio of the region where the photovoltaic power generation system is located according to the regional power generation prediction distribution, and sorting the photovoltaic power generation energy efficiency ratio to obtain a photovoltaic partition power generation energy efficiency ratio sorting result; according to the photovoltaic partition power generation energy efficiency ratio sorting result, photovoltaic partition power generation energy efficiency ratio screening and kilowatt-hour ...

POLYPEPTIDE, POLYPEPTIDE FRAGMENT, DERIVATIVE THEREOF, AND APPLICATIONS THEREOF

Disclosed in the present invention are a polypeptide fragment, a derivative of the polypeptide fragment, and applications of the derivative of the polypeptide in the preparation of drugs for preventing and treating fibrosis diseases.

Reaction kettle stirrer and stirring method

The invention discloses a reaction kettle stirrer which comprises a reaction kettle, a stirring mechanism and a lifting mechanism for driving the stirring mechanism to lift up and down, the lifting mechanism is mounted on a rack, the stirring mechanism comprises stirring blades and a stirring driving motor for driving the stirring blades to rotate, the stirring blades are mounted on a stirring shaft, and the stirring shaft is connected with the stirring driving motor. The stirring driving motor is fixed on the lifting frame; the stirring driving motor is fixed with the plurality of bracket rods, the plurality of bracket rods are fixed with the mounting seat, the mounting seat is fixed with the gland, a first gap is formed between the gland and the stirring shaft, a circle of sealing ring is arranged on the upper surface of the reaction kettle, and the sealing ring is positioned between the gland and the reaction kettle. Air leakage is prevented in the stirring process, uniform stirring ...

Vehicle-mounted network data processing method and device based on federated learning, equipment and medium

The invention discloses a vehicle-mounted network data processing method and device based on federated learning, equipment and a medium, and the method comprises the steps: constructing a hierarchical structure of a vehicle-mounted network according to historical communication message data and hardware configuration information of each node; for each basic layer, grouping based on the vehicle feature information corresponding to the node to obtain at least two basic groups; for each basic group, deploying an intra-group message queue to obtain a target group; associating and distributing each vehicle identifier in the vehicle-mounted network to a target group; performing intra-group local federation learning, and performing aggregation updating on the local model of each node in the target group to obtain an updated local global model; and taking each target group as a center, performing global learning by adopting the updated local global model corresponding to each center to obtain a ...

Flood prevention automatic isolation control terminal for low-voltage line

The invention discloses a low-voltage line flood prevention automatic isolation control terminal which comprises a monitoring module, after an alarm water level is detected, a main control module controls a circuit breaker to be opened, a load can be automatically isolated, a short message is automatically sent to a preset contact person through a GSM module, an alarm module can give out light and sound, and the alarm module can give out an alarm. The sound waves enable the vibrating reed to continuously vibrate up and down, the vibrating vibrating reed is matched with the pricking cone to pierce the oxygen-containing balloon, the oxygen component in the oxygen-containing balloon is conducted to the inner cavity of the hollow rod through the connecting pipe and makes contact with the reducing iron powder, and heat can be generated in the process that the reducing iron powder reacts with oxygen. Heat is conducted to the front face of the circuit breaker through the heat conduction rod, the ...

Pathology management system

The invention is suitable for the technical field of computer software, and provides a pathology management system. The system comprises a data standard module, a data alliance chain module, a pathological diagnosis module and a diagnosis result visualization module. The data standard module is used for digitalizing the pathological sample slices to obtain sample slice data and standardizing the sample slice data; the data alliance chain module is used for uploading the diagnosed sample slice data to a block chain to obtain a data alliance chain; and the pathological diagnosis module is used for constructing a pathological diagnosis model, acquiring the diagnosed sample slice data from the data alliance chain, training the pathological diagnosis model by using the diagnosed sample slice data, and diagnosing the to-be-diagnosed sample slice data by using the trained pathological diagnosis model to obtain a pathological diagnosis result. The practicability of the hospital pathological process ...

TERMINAL POSITIONING METHOD AND DEVICE, AND ELECTRONIC DEVICE

A terminal positioning method, comprising: determining the location of a light source according to a graphical code collected by a terminal, the graphical code being formed according to light emitted by the light source, the graphical code being used for indicating the location of the light source; positioning the location of the terminal according to the location of the light source. The present technical solution solves the problem that positioning terminals via the visible light communication technology in the prior art causes the positioning accuracy to be low, and increases the positioning accuracy of terminals.

METHOD AND KIT FOR MEASURING FENTANYL DRUG IN BIOLOGICAL SAMPLE

Provided are a method and kit for measuring a fentanyl drug in a biological sample, relating to the field of biotechnologies. The method comprises the specific steps: transferring a sample into a centrifuge tube prefilled with acetonitrile for oscillation, extraction, and centrifugation; performing sample suction by using a purification extraction column, and making the sample solution fully contact a purifying agent when the sample solution is suctioned into the extraction column to complete purification; and after sample suction is completed, continuing to pull up the plunger, then installing a filter membrane at the bottom end of a solid-phase extraction column, pressing down the plunger to enable the sample solution to contact the purifying agent again, collecting the filtrate, and conducting liquid chromatography-tandem mass spectrometry analysis. Compared with conventional purification methods, the present invention has simpler operations and a high recovery rate, is quick and efficient ...

Vertical crane span structure telescopic bracket

... 本实用新型公开了一种竖向桥架伸缩支架，包括两条“L”型支撑腿，一根“门”型横担，“L”型支撑腿对称位于“门”型横担两侧，其中所述两条“L”型支撑腿与所述一根“门”型横担之间用螺栓连接，通过将所述螺栓安装在所述“L”型支撑腿上的螺栓孔的不同高度位置来调节桥架支架的高度。根据本实用新型的竖向桥架伸缩支架，需通过螺栓来调节支架的高度。巧妙的解决了竖向桥架与墙面间距不统一，导致支架无法快速安装的这一难题，从而有效的降低了施工成本，提高了生产效能。 ...

Traffic flow prediction method and device based on deep learning, equipment and medium

The invention discloses a traffic flow prediction method and device based on deep learning, equipment and a medium, and the method comprises the steps: collecting traffic flow data through a road sensor, obtaining a traffic flow data set, carrying out the feature division of the data in the traffic flow data set based on a prediction type, and obtaining main features and auxiliary features, based on the main features, the auxiliary features and the node position of each road sensor, feature extraction is carried out by adopting a graph convolutional network to obtain the spatial features of the main features and the spatial features of the auxiliary features, the spatial features of the main features and the spatial features of the auxiliary features are fused to obtain fused features, and based on the fused features, the spatial features of the main features and the spatial features of the auxiliary features are obtained. By adopting the traffic flow prediction method and device, the accuracy ...

AMPHIBIOUS COMBAT FOOTWEAR

An amphibious combat footwear, comprising a footwear main body (1) and a webbed water member (2) provided at a sole front portion of the footwear main body (1). The footwear main body (1) is detachably connected to webbed water member (2). The footwear main body can be used alone as land combat footwear, but the weight thereof is only half that of existing combat footwear, and thus a soldier wearing the footwear can proceed conveniently and quickly through the jungle or other types of terrain. When swimming with military equipment or in-water combat is required, the webbed water member can be quickly attached at the sole front portion of the footwear main body for conversion to an in-water combat state. Further, when making a beach landing, there is no need to remove or change footwear when landing, increasing assault speed and saving time for combat and rescue. The combat footwear can be used amphibiously and conveniently attached and detached.

METHOD, DEVICE, AND STORAGE MEDIUM FOR IDENTIFYING TWO-DIMENSIONAL CODE

Disclosed in the present invention are a method of identifying a two-dimensional code, comprising: acquiring an image to be identified that contains a two-dimensional code on a light-emitting display; and extracting a position detection pattern from the image to be identified, determining, according to the position detection pattern, the location of the two-dimensional code in the image to be identified, and identifying the two-dimensional code at the location. Also disclosed in the present invention are a device and a storage medium for identifying a two-dimensional code.

Outdoor electrostatic precipitator air purification system

... 本实用新型涉及户外空气净化技术领域，尤其是指户外静电除尘空气净化系统；净化系统包括一设置环状中空腔的净化主体，中空腔内设置环状的静电吸附滤网，净化主体周圈设置两件或两件以上的吸入风机，吸入风机的进风嘴连接所述静电吸附滤网,所述净化主体的顶部设置排气孔，所述中空腔的底部设置有拆卸式集尘盒；当空气净化器安装户外时，通过吸入风机将空气吸入，经过静电吸附滤网时，除了对大颗粒粉尘的过滤,对于普通过滤网难以过滤的PM2.5,PM10等微尘，静电吸附滤网产生的静电能很好的进行吸附这种微尘，净化后的空气经过顶部的排气孔排出，对户外空气起到良好空气净化，有效的降低户外粉尘微粒原因引发的各种疾病，保障人民的身体健康。 ...

TERMINAL POSITIONING METHOD AND DEVICE, AND ELECTRONIC DEVICE

A terminal positioning method, comprising: determining the location of a light source according to a graphical code collected by a terminal, the graphical code being formed according to light emitted by the light source, the graphical code being used for indicating the location of the light source; positioning the location of the terminal according to the location of the light source. The present technical solution solves the problem that positioning terminals via the visible light communication technology in the prior art causes the positioning accuracy to be low, and increases the positioning accuracy of terminals.

Class case pushing method based on environmental protection case elements

The invention is suitable for the technical field of judicial case pushing, and provides an environmental protection case element-based class case pushing method, which comprises the following steps of: converting case text information of a to-do case into a text sequence, and obtaining a vectorization representation and an entity sequence of the text sequence; obtaining feature representation of the text sequence; inputting the feature representation into a BiLSTM neural network to carry out modeling of a front-back semantic dependency relationship to obtain a key feature representation; key elements of a to-do case are obtained for representation; performing information fusion on the key element representation and the entity sequence to obtain global semantic information representation of the case to be handled; determining candidate class cases of the case to be handled from the retrieval case pool; constructing a matching objective function according to the key element representation ...

Preparation method of carbon microspheres and application of carbon microspheres as lithium ion battery electrode material

The invention provides a method for preparing mesocarbon microbeads in an inorganic system by using molten salt by utilizing a good dispersion effect of the molten salt on asphalt, naphthalene and other polycyclic aromatic hydrocarbons by utilizing a method which is different from a traditional thermal polycondensation method, an emulsification method and a suspension method for preparing mesocarbon microbeads in an organic system. The carbon microspheres prepared by the method can be separated from a polymerization system through simple water washing and acid pickling, and the selection range of raw materials is wide. The prepared carbon microspheres have a typical mesophase structure and regular morphology, and the diameter of the carbon microspheres is 1-10 [mu] m. After high-temperature carbonization, the material shows high reversible capacity when being applied to a lithium ion battery negative electrode material, and shows the discharge specific capacity of 250-350 mA under the current ...

GLUE COATING DEVICE FOR LAYING TRANSPARENT OPTICAL CABLES

A glue coating device for laying transparent optical cables comprises an outer housing (2) and an inner housing fit inside the outer housing (2). A glue cavity (4) is provided inside the inner housing. The outer housing (2) is provided with an installation end (1) at one end thereof, and a glue injection end at the other end thereof. The glue coating device is installed onto a glue injection gun via the installation end (1). A glue injection zone (46) is provided at an interface of the glue injection end and passes through the glue cavity (4). A front preprocessor (22), configured to remove any unwanted object on a cable-laying path, is arranged at the glue injection end and at a side surface (21) of the outer housing (2) and forms an integral part of the outer housing (2). The front preprocessor (22) comprises two separating and guiding sides (220) forming an angle of 120° therebetween and protruding outside the outer housing (2). An interface of the outer housing (2) is provided with ...

METHOD, DEVICE AND SYSTEM FOR REALIZING VLC DYNAMIC ACCESS

Disclosed are a method, device and system for realizing VLC dynamic access. The method comprises: generating, by a user node, an appointment request frame for appointing an uplink channel and sending same; and after appointment is successful, sending, by the user node, data in an appointed time slot.

Environment monitoring data sharing method and system based on block chain

The invention provides an environment monitoring data sharing method and system based on a block chain, and relates to the technical field of environment monitoring. The method comprises the following steps: acquiring environment monitoring data and scene image information of a to-be-monitored area, and sending the environment monitoring data and the scene image information to a data acquisition terminal through signature; after verification is carried out through the data collection terminal, a public key is called for encryption and written into the block chain, different data are stored in different blocks of the block chain respectively, and any block identifies the attribute of the stored data. All the block chain nodes are equally divided into a plurality of groups, and the block chain nodes in any group serve as main nodes in turn. When a user side sends out a data sharing request, user identity information is obtained and verified, if a user has the sharing permission, data stored ...

Product quality detection method and device, terminal equipment and medium

The invention is suitable for the technical field of federated learning and digital twinning, and provides a product quality detection method and device, terminal equipment and a medium. Comprising the steps of collecting process composition data of a target product; calculating the weight of each edge node; according to the weights of all the edge nodes, the maximum device connection number is obtained, all the edge nodes are grouped, and a plurality of edge node groups are obtained; determining a leader node of the edge node group according to the reliability of each edge node and the weight of the edge node, and storing the equipment information and the product information to the block chain through the leader node; determining federated learning equipment according to the learning quality of each industrial equipment, and performing local model training according to equipment information and product information to obtain a local digital twin model; calculating a global residual error ...

ULTRA-FLEXIBLE INDOOR ACCOMPANYING PHOTOELECTRIC COMPOSITE CABLE

An ultra-flexible indoor accompanying photoelectric composite cable comprises a plurality of power transmission components (2), optical fibre transmission components (3), and structural strengthening components (1). The plurality of power transmission components (2), optical fibre transmission components (3), and structural strengthening components (1) are all wrapped by a highly flame-retardant outer protective layer (4). The power transmission component (2) comprises a cable core (21) and an insulating material (22) wrapped around the cable core (21). The cable core (21) is a soft conductor. The optical fibre transmission component (3) is a tight tube optical fibre. The power transmission components (2) and the optical fibre transmission components (3) are arranged in parallel on the inner side of the highly flame-retardant outer protective layer (4). The composite cable has very strong pressure resistance, stress resistance, reciprocating resistance, and good electrical and physical ...

Digital twinborn model determination method and device, terminal equipment and medium

The invention is suitable for the technical field of federated learning and digital twinning, and provides a digital twinning model determination method and device, terminal equipment and a medium, and the method comprises the steps: constructing an initial digital twinning model, initializing model parameters, and obtaining initial digital twinning model parameters; for each industrial device, according to the initial digital twin model parameters, constructing an initial local model, and training the initial local model to obtain a final local model; obtaining a global score of each industrial device according to the model parameters of the final local model, and determining a federated industrial device according to the global score; aggregating model parameters of the final local models of all federated industrial equipment to obtain an initial global model; based on reinforcement learning, updating a network structure in the initial global model to obtain a final global model; and ...

Identification system for ink-jet printing imitation seal

The invention relates to the technical field of judicial expertise, in particular to an ink-jet printing imitated seal authentication system, which comprises an acquisition module for acquiring a to-be-authenticated file and outputting a preprocessed image; the feature extraction module is used for collecting image features from the preprocessed image; the distinguishing module is used for matching the image features with pre-collected sample features and obtaining a distinguishing result; the judgment result is used for representing whether the imitated seal exists in the to-be-identified file or not; the image features comprise fractal texture features and local binary pattern features. The method has the beneficial effects that aiming at the problem that the identification process of some ink-jet printing imitated seals is relatively difficult in the prior art, the scheme extracts the image features of the to-be-identified file and performs matching according to the pre-collected sample ...

MULTI-FUNCTIONAL PHOTOELECTRIC COMPOSITE CABLE FOR ACCESS NETWORK

A multi-functional photoelectric composite cable for an access network comprises a cable core and a sheath wrapping the outside of the cable core. The cable core comprises a optical unit (7) and a plurality of power units (1); an auxiliary reinforcement layer is arranged on the inner side of the sheath; the optical unit (7) comprises a plurality of fiber cores wrapped by an inner sheath; and the power unit (1) comprises an insulating layer (12) and a plurality of conductors (11) wrapped by the insulating layer. The photoelectric composite cable can guarantee the signal transmission of optical fiber cables, and solve the problem of difficulty in far-end power supply; the application of the photoelectric composite cable to the access network has the advantages that the occupied space is small, the construction is convenient, and secondary wiring is avoided.

Preparation method of high-temperature-resistant aerogel thermal insulation layer material

The invention discloses a preparation method of a high-temperature-resistant aerogel heat-insulating layer material, which comprises the following steps: taking aluminum sec-butoxide as an aluminum source, taking ethanol and deionized water as solvents, and adopting an acid-base two-step catalysis method to obtain aluminum sol; the method comprises the following steps: preparing water glass by taking rice hull ash as a silicon source, and obtaining silica sol by adopting an acid-base two-step catalysis method; adding the silica sol into the aluminum sol, stirring and mixing, and adding an epoxypropane solution to obtain silicon-aluminum sol; after the silica-alumina sol becomes silica-alumina gel, carrying out aging and solvent replacement on the silica-alumina gel by using ethanol and normal hexane; and drying the silica-alumina gel by using a supercritical drying process to obtain the aerogel thermal insulation layer material. According to the present invention, the rice hull ash and ...

LIGHT-EMITTING CABLE

Provided is a light-emitting cable, comprising: a first wire (2), a second wire (3), and one or a plurality of LED flip chips (1); one electrode end of the LED flip chip (1) is connected to the first wire (2), and the other electrode end of the LED flip chip (1) is connected to the second wire (3). The LED flip chip (1) is used as a light source, such that the cable has the advantages of high brightness and low power consumption; the LED flip chip (1) can be driven by a low-voltage power supply, therefore its safety performance is high; in addition, the LED flip chip (1) is connected in parallel to two wires, and a low-resistivity copper is used as the wire material such that the brightnesses of all LED flip chips (1) are the same, and further causing the brightnesses of all segments of the cable to be uniform.

基于互联网结构的群体智能人－机决策方法

Based on local Intranet and/or Internet, within Web server and database server in local Intranet, object-oriented decision support modules constitute generator of decision support system. These modules include class libraries, objects, attributes and methods needed by swarm intelligence decision support system under Internet environment. Each application system put forward decision application request is as application layer. Through each develop tool, generator modules of decision support system as develop resources are added into application system so as to form application system possessing swarm intelligence decision support functions or dedicated decision support system. System runs under support of physical layer in Internet. Remote user through Internet and Web server, as well as local Intranet user through Web server executes application system with function of decision support. The application system calls generator modules inside to manage and complete each decision task.

TERMINAL POSITIONING METHOD AND DEVICE

Provided are a terminal positioning method and device. The method comprises: obtaining, by a first terminal, a scene identifier of an environment; receiving, by the first terminal, an optical signal of a lighting device in the environment, and quantifying the optical signal into a binary gray scale value, the gray scale value being used to indicate an optical strength value of the optical signal; encapsulating, by the first terminal, the scene identifier and the optical strength value in an positioning frame, and transmitting the positioning frame to a second terminal. The present invention addresses the problem of not positioning a terminal according to different scenes in the related art.

METHOD, APPARATUS AND SYSTEM FOR MIMO OPTICAL COMMUNICATION

A method, apparatus and system for MIMO (Multiple-Input Multiple-Output) optical communication. A transmission signal to be sent is modulated onto an optical carrier with different spectral characteristics, an optical modulated signal is generated, transmitted and received, the transmission signal is restored using a channel transmission matrix of the system for MIMO optical communication, and different signals are loaded onto different light sources to realize simultaneous transmission of multiple signals, enable a combination of wavelength division multiplexing and spatial multiplexing, and improve communication capacity and data transmission rate.

Pile driver vibration frequency control method based on expert active disturbance rejection controller

The invention discloses a pile driver vibration frequency control method based on an expert active-disturbance-rejection controller, which comprises the following steps of: arranging a transition process for an input signal by using a differential tracker in the active-disturbance-rejection controller and extracting a differential signal of the input signal, and dynamically estimating and compensating total disturbance of a system in real time by using an expansion observer; the output of the differential tracker and the output of the expansion observer are combined and then input into an expert controller and a nonlinear combination link, and the expert controller carries out self-adaptive adjustment on key parameters of the nonlinear combination link according to the input range; finally, the output of the nonlinear combination link and the total disturbance estimation value output by the state observer are combined and then act on a motor, and the motor drives an eccentric block to achieve ...

Trachea conformal drag hook, ear rear neck side conformal drag hook and thyroid surgery suite

The invention discloses a trachea conformal drag hook, an ear rear neck side conformal drag hook and a thyroid surgery kit. The conformal retractor for the trachea comprises a first handle, the first hook head is arranged at the far end of the first handle; the first hook head comprises a first clamping arm, a first connecting section, a second clamping arm and an extending section which are sequentially connected end to end, and the first clamping arm and the second clamping arm are perpendicular to the advancing direction of the first handle and used for pushing and pulling an air pipe; the first clamping arm extends from the far end of the first handle in the first direction, the first connecting section extends from the far end of the first clamping arm in the second direction, the second clamping arm extends from the far end of the first connecting section in the direction opposite to the first direction, and the extending section extends from the far end of the second clamping arm ...

Prefabricated box girder formwork system and construction method

The invention relates to a prefabricated box girder formwork system and a construction method. The construction method comprises the steps of prefabricated box girder pedestal construction, integral adjustable side frame installation, reinforcement cage binding, end formwork installation, prefabricated box girder pouring, inner formwork removal and integral adjustable side frame removal. The integral adjustable side frames are arranged on the two sides of the prefabricated box girder, the integral adjustable side frames are connected through the opposite-pull screws, the formwork erecting construction efficiency of the prefabricated component is improved by applying the prefabricated component, and the end formworks, the integral adjustable side frames and the inner formworks are fixed through bolts; the lug plates welded on the diaphragm plate formwork are fixed with the integral adjustable side frame through bolts, so that the formwork erecting construction efficiency is improved, related ...

Motion control method, device and system of X-ray image system integrated on robot and computer readable storage medium

The invention discloses a motion control method and device of an X-ray image system integrated on a robot, an X-ray correlation platform and a computer readable storage medium, and the method comprises the steps: building a coordinate system of the X-ray correlation platform, and calculating a transformation matrix among the coordinate system of the X-ray correlation platform, a pre-built mechanical coordinate system and a pre-built user coordinate system; according to the conversion matrix and a preset mapping rule, calculating a motion control relationship between the master manipulator and the X-ray transmitting end platform, and according to a corresponding relationship between a coordinate system of the X-ray transmitting end platform and a coordinate system of the X-ray detection plate, calculating a motion relationship between the X-ray receiving end plate holding arm and the X-ray transmitting end platform; and controlling the X-ray emitting end platform to emit X-rays and controlling ...

Reservation hole for building accurate mould

... 本实用新型涉及一种建筑用精准预留洞模具，是穿楼板预留孔洞精准定位模具。该模具包括套管、套管盖、定位螺栓、燕尾螺母和定位片，所述套管上端焊接有所述套管盖，该套管盖的顶部设有孔，该套管的下端焊接有所述定位片，且该定位片上具有另一个孔，所述定位螺栓前段由木螺丝组成，后段由长杆螺栓和手动燕尾螺母组成，该前段和后段焊接在一起，该定位螺栓穿过所述套管盖的所述孔并穿过定位片上的所述另一个孔，完成定位功能。根据本实用新型，可保证预留孔洞位置精准，结构中无残留物，不产生因预留偏差出现的剔凿工作。省工、省时、省料，可循环使用，提高工程质量。 ...

Decorative plate adjusting mechanism for building decoration and mounting method of decorative plate adjusting mechanism

The invention is suitable for the technical field of building decoration, and provides a decorative plate adjusting mechanism for building decoration and a mounting method thereof.The decorative plate adjusting mechanism for building decoration comprises a wall body and decorative plate bodies arranged on one side of the wall body at intervals and parallel to each other, and each decorative plate body is movably connected to the wall body through at least two fixing devices; each fixing device is provided with a movable mechanism and a connecting mechanism, the movable mechanism is provided with a mounting assembly and a telescopic adjusting assembly, and the extension length of the telescopic adjusting assembly is adjusted and controlled in the mounting assembly, so that the influence of the uneven surface of the wall on the mounting process of the decorative plate body is overcome; and it is guaranteed that the distances between the decorative plate bodies in all the positions and the ...

Anesthesia device capable of conveniently controlling dosage

The invention belongs to the technical field of medical instruments, and particularly relates to an anesthesia device convenient to control dosage, which comprises an injection assembly, the injection assembly comprises a needle cylinder and a medicine pushing piece, and the medicine pushing piece comprises a first piston, a piston rod arranged on the first piston and a push-pull piece arranged at one end, far away from the first piston, of the piston rod; the limiting assembly is arranged on the injection assembly; the limiting assembly comprises a working cylinder fixedly connected to the outer side of the needle cylinder, a second piston connected into the working cylinder in a sealed and sliding mode, a limiting piece arranged on the outer side of the push-pull piece in a sleeving mode and capable of abutting against the push-pull piece to limit the push-pull piece to move towards one side of the needle cylinder, and a fluid regulator communicated with the end, away from the limiting ...

Carbon emission prediction method based on deep learning

The invention provides a carbon emission prediction method based on deep learning. The method comprises the following steps: selecting a data set; carrying out vectorization processing on the data; unbalance processing is carried out on the data, data equalization is carried out by using sample generation, and sample generation is carried out through a bilinear interpolation method based on weighted KNN; preprocessing the data; constructing a deep learning feature extraction model, and extracting sample features; and performing sample classification by using a classifier, and predicting the carbon emission. According to the method, the problem of sample recognition errors caused by error disturbance in the carbon emission prediction data acquisition process is solved through the improved weighted KNN, the problem of sample imbalance is solved, the balance of sample data is ensured, meanwhile, in the feature extraction operation of the data, a deep learning feature extraction model is constructed ...

A synthetic method of telmisartan

... 本发明公开了种替米沙坦的合成方法，包括以下步骤：以2‑正丙基‑4‑甲基‑6‑(1‑甲基‑苯并眯唑‑2‑基)‑苯并咪唑为原料，先与对氨基溴苄发生取代反应，然后经过重氮化反应，最后在醋酸钯催化体系下，与2‑羧酸苯硼酸钠在甲基四氢呋喃/碳酸钾/三苯基膦共同作用下发生缩合反应生成替米沙坦。该合成路线是条全新的合成路线，有较大创新性，原料价格便宜，反应条件温和，对环境污染较小，具有较大的工业化应用前景。 ...

Automatic text labeling method, system, equipment and terminal for judgment document

The invention belongs to the technical field of data annotation, and discloses an automatic text annotation method, system, equipment and terminal for a judgment document, and the method comprises the steps: segmenting a text with punctuation marks into sentences, and inputting the sentences into a Jieba Chinese parser for word segmentation; based on a word frequency word segmentation result, finding out a path with the maximum probability by adopting a dynamic planning method, and storing text word segmentation terms in a word segmentation intermediate database; training the manually labeled text through a machine learning model, and automatically labeling the text through the constructed corpus labeling library; and scoring the annotation data in the database, automatically reloading and marking, and sorting the data according to the marking score. According to the method, event extraction and labeling are performed on the target case document according to the preset event extraction ...

Feeding and combustion-supporting collaborative system for coal combustion

The invention discloses a feeding combustion-supporting cooperation system for coal combustion, and belongs to the technical field of coal combustion, the feeding combustion-supporting cooperation system comprises a combustion furnace, a material conveying assembly, a detection assembly, a ventilation assembly and a control module, the material conveying assembly is used for conveying needed coal into the combustion furnace, the detection assembly is used for detecting the coal combustion condition in the combustion furnace, and the ventilation assembly is used for ventilating the combustion furnace. The ventilation assembly is used for conveying air into the combustion furnace, and the control module is used for receiving signals generated by the detection assembly and controlling the conveying assembly and the ventilation assembly to operate according to the signals. The coal combustion condition in the combustion furnace is judged by comprehensively analyzing the CO concentration, the ...

基于互联网结构的群体智能决策支持系统生成器及其应用方法

The generator includes enterprise Intranet and/or Internet. In Intranet, there is Web server and database server. In Web server and database server, there is generator composed of decision support modules oriented to object. These modules include class libraries, objects, attributes and methods needed by swarm intelligence decision support system under Internet environment. The said decision support modules include modules of problem-oriented solution, data mining oriented and one from knowledge management oriented as well as main control of decision-making and coordination control possibly. These modules are connected to each other, and main control decision-making module coordinates and controls whole decision process. Assembling modules or adding them to frame of decision support system generates dedicated decision support system or application system with decision support functions so as to raise develop efficiency. The method is easy to be integrated to other application system.

Gantry cross beam bending production line

The invention discloses a portal cross beam bending production line, which relates to the technical field of portal production equipment and comprises a feeding lifting feeding mechanism, a feeding grabbing mechanism, a bending processing mechanism, a discharging grabbing mechanism, a drilling and tapping mechanism and a stacking mechanism, the bending machining mechanism comprises a machining table, an upper die base, a lower die base and a driving structure, the upper die base and the lower die base are arranged on the machining table, the driving structure is arranged on the machining table and used for driving the upper die base to move, the feeding grabbing mechanism is used for conveying the middle cross beam on the feeding lifting feeding mechanism to the lower die base, and the discharging grabbing mechanism is used for conveying the middle cross beam to the drilling and tapping mechanism. And the stacking mechanism is used for collecting and stacking the middle cross beams on the ...

Crank bar type lattice structure with vibration isolation performance and self-restorability and vibration isolator thereof

The invention discloses a curved bar type lattice structure with vibration isolation performance and self-restorability. The curved bar type lattice structure comprises a plurality of lattice unit cells which are connected with one another. Each lattice unit cell comprises four top curved bars distributed on the top face of the cube, four bottom curved bars distributed on the bottom face of the cube and four side curved bars distributed on the four side faces of the cube. The inner ends of the top curved bars intersect at the center of the top face of the cube, reinforcing bars are arranged at the intersection in the vertical direction of the top face, and the outer ends of the top curved bars are located at the vertexes of the top face of the cube. The inner ends of the bottom curved bars intersect at the center of the bottom surface of the cube, reinforcing bars are arranged at the intersection along the vertical direction of the bottom surface, and the outer ends of the bottom curved ...

Pipeline supporting device for hydraulic engineering construction

The invention is applicable to the technical field of water conservancy project pipeline maintenance, and provides a pipeline supporting device for water conservancy project construction, which comprises a movable plate, the top of the movable plate is fixedly connected with a sleeve through a base, an outer wall cleaning mechanism and a pipeline clamping mechanism are sequentially arranged in the sleeve along the length direction of the sleeve, and the outer wall cleaning mechanism and the pipeline clamping mechanism are arranged on the movable plate. A to-be-cleaned pipeline enters from one end of the sleeve, is cleaned by the outer wall cleaning mechanism and then extends out from the other end of the sleeve, the pipeline clamping mechanism is used for clamping the outer wall of the cleaned pipeline, the sleeve is aligned with a pipeline connector, the transverse moving mechanism drives the movable plate and the sleeve to gradually move towards the pipeline connector, and then the pipeline ...

Urban ecological toughness evaluation and early warning method and device and related equipment

The invention discloses an urban ecological toughness evaluation and early warning method and device and related equipment, and the method comprises the steps: S1, obtaining real-time data from an urban ecological environment, and forming a time sequence; s2, on the basis of the determined time width, performing smooth noise reduction processing and standardization processing on the time sequence data; inputting the data into an Informer model, and evaluating a future ecological toughness value; s3, on the basis of an Isolation Forest model, ecological toughness original historical data are calculated by using the monitoring data after smoothing processing, an alarm threshold interval is set, and when a predicted toughness value is in the alarm threshold interval, a system sends out low-toughness early warning; and S4, analyzing low-toughness data indexes, and giving a corresponding specific disaster early warning method through historical situations. The method can improve the reasoning ...

Business-based irregular sparse code division multiple access communication method and related equipment

The invention is applicable to the technical field of communication systems, and provides a service-based irregular sparse code division multiple access communication method and related equipment, the method is applied to sending end equipment of a service-based irregular sparse code division multiple access communication system, and the method comprises the following steps of: according to a transmission request of each piece of concurrent service data in a service data set, sending the service data to the sending end equipment of the service-based irregular sparse code division multiple access communication system; the concurrent service data is divided into a delay tolerant type and a delay sensitive type; selecting different codebooks from the codebook pool according to the quantity of the concurrent service data, the type of each piece of service data and the initial transmission deadline, and distributing the codebooks to each piece of service data for use; mapping each piece of service ...

Attenuation method of diester type diterpenoid alkaloid in aconitum carmichaeli

The invention discloses an attenuation method of diester diterpenoid alkaloid in aconite, and belongs to the technical field of traditional Chinese medicines. The method comprises the following steps: slicing aconite, adding the sliced aconite into edible oil, adding a proper amount of an alkaline auxiliary material solution, regulating the temperature to 110-180 DEG C, and heating and stirring for 1-8 hours, the invention also discloses an aconite product obtained by using the attenuation method and application of the aconite product in preparation of health-care food or health-care medicine. The adopted edible oil and alkaline auxiliary materials have edibility, tedious operation such as solvent removal is not needed after attenuation is completed, the attenuation efficiency can be remarkably improved by adopting the attenuation method, a good attenuation effect is obtained, and a new way is provided for edible attenuation treatment of the aconitum carmichaeli kusnezoffii kusnezoffii ...

Monitoring alarm device that builder's jack shaped steel warp

... 本实用新型公开了一种悬挑脚手架型钢变形的监测报警装置。该监测报警装置，包括：对射常开型光电传感器信号发射器，其通过信号发射器支架固定于型钢悬挑梁的底部；对射常开型光电传感器信号接收器，其通过信号接收器支架与所述对射常开型光电传感器信号发射器相对安装在型钢悬挑梁的下侧；以及蜂鸣报警器，其与所述对射常开型光电传感器信号接收器保持连接。该悬挑脚手架型钢变形的监测报警装置能够在脚手架悬挑梁承力结构刚刚发生形变时报警，预防事故的发生。 ...

Wall-hidden sound box

The utility model relates to a wall-hidden type sound box, which relates to the technical field of sound boxes and comprises a wall body, a box body is installed in the wall body, a sound outlet plate is connected to the front surface of the box body, a screw is installed at one end of the front surface of the sound outlet plate, a sound outlet net is embedded in the middle of the sound outlet plate, and a fixing plate is movably connected to the tail part of the screw. And a sliding groove is formed in one side of the interior of the wall body, a fixing column is in threaded connection with the bottom surface of the interior of the wall body, a sliding block is movably connected to the inner wall of the sliding groove, and a pulling plate is installed at one end of the sliding block. According to the utility model, the drawing plate and the box body are in a drawing relation, so that the sound box can be easily pulled out of or installed on the fixing block, the sound box is installed ...

Micro-expression recognition method and device based on multi-level graph convolutional network

The invention discloses a micro-expression recognition method and device based on a multi-level graph convolutional network. The method comprises the following steps: S01, acquiring different types of micro-expression data to form a micro-expression data set, and carrying out data preprocessing; s02, extracting optical flow features and face key point features of each piece of micro-expression data from the preprocessed micro-expression data set to obtain micro-expression feature data; s03, the extracted micro-expression feature data are input into a micro-expression recognition model based on a multi-level graph convolution network for training, a trained micro-expression recognition model is obtained, and the micro-expression recognition model based on the multi-level graph convolution network comprises a space-time convolution module, a self-attention module and a double-graph convolution module; and S04, preprocessing to-be-recognized micro-expression video data, and inputting the preprocessed ...

Method for three-dimensional ecological protection of abrupt slope tumbling objects through fresh forest tree lattices

The invention discloses a method for three-dimensional ecological protection of abrupt slope tumbling objects through fresh forest tree lattices. The method comprises the steps that firstly, anchor rods are arranged at the slope toe of the abrupt slope, planting pits are dug between the anchor rods and a drainage ditch at the slope toe, planting boxes are placed in the planting pits to vertically plant landscape arbors, planting boxes are placed on the slope surface above the anchor rods at the slope toe corresponding to the planting pits, and a plurality of rows of planting belts are formed; and then horizontally planting arbors in each planting box on the slope surface, wherein the horizontally-lying arbors form fresh and alive forest tree lattices for preventing rolling objects on the slope surface. The water supply of the horizontal arbor in the slope planting belts is realized by arranging a drip irrigation belt corresponding to each row of planting belts and arranging slope runoff ...

Special dust remover for desulfurization and denitrification device

The invention relates to the field of dust removers, and particularly discloses a dust remover special for a desulfurization and denitrification device. A plurality of filter plates are arranged in a filter chamber, a brush plate is arranged on the left side of each filter plate, the top of each brush plate is connected with a vertical rod, the top of each vertical rod penetrates into an air cylinder, and the bottom of a piston of the air cylinder is connected with the top of the corresponding vertical rod; the top of the piston is connected with the inner top surface of the inflator through a first spring; the bottom of the vertical rod is connected with a first ejector rod, and the first ejector rod can eject the first discharging plate to rotate downwards to open the first discharging opening under the downward moving effect of the vertical rod. The dust removal device comprises a top plate, a filter cloth bag, a supporting frame and a mounting head, the lower surface of the mounting ...

Atmospheric quality monitoring method and system, electronic equipment and storage medium

The invention discloses an atmosphere quality monitoring method and system, electronic equipment and a storage medium, and relates to the technical field of atmosphere monitoring. The method comprises the following steps: determining a preset number of mobile sensing devices and a data acquisition path; the mobile sensing device comprises a fixed-wing unmanned aerial vehicle and a mobile portable monitoring device. According to the preset number of the mobile sensing devices and a particle swarm optimization algorithm based on sensing device energy limitation, performing dynamic deployment optimization of global sensing devices on the data acquisition path to obtain optimal field deployment; performing data acquisition according to the optimal on-site deployment to obtain atmospheric space-time monitoring data; performing interpolation processing on missing data in the atmospheric space-time monitoring data by using a data completion model to obtain complete atmospheric quality time sequence ...

Fermentation equipment for preparing stichopus japonicas fry baits and uniformly mixing materials

The invention discloses sea cucumber seedling bait preparation, uniform mixing and fermentation equipment, and relates to the technical field of sea cucumber seedling culture, the sea cucumber seedling bait preparation, uniform mixing and fermentation equipment comprises a steam box, supporting legs are fixedly connected to the corners of the lower surface of the steam box, and first supporting rods are fixedly connected to the corners of the upper surface of the steam box; the end, away from the steam box, of the first supporting rod is fixedly connected with a discharging box, the steam box is used for transferring steam generated by the evaporation device, so that the feed is steamed at high temperature, and the evaporation device is arranged, so that high-temperature steam can be generated; the evaporation device comprises a water tank, the water tank is fixedly connected to the axis of the lower surface of the steam box, the water tank penetrates through the steam box, and when the ...

Data virtualization system, method, device and equipment based on graph structure and medium

The invention discloses a data virtualization system, method, device and equipment based on a graph structure and a medium, and the method comprises the steps: configuring a metadata relation graph according to metadata configuration parameters, initializing a cache data table according to the metadata relation graph, receiving a virtual view query request sent by a user side, and analyzing request parameters to obtain a virtual view SQL, and converting the virtual view SQL into an SQL query statement, executing the SQL query statement on the cache and the data node according to the request parameter to obtain set data, forming the set data into a virtual view, and feeding back the virtual view to the user side. By adopting the method and the device, the fast query and mapping of the metadata from the virtual table to the physical table and from the physical table to the virtual table are realized, and the data access efficiency is improved.

Surgical mechanical arm and surgical robot

The invention provides a surgical mechanical arm. The surgical mechanical arm comprises a preoperative positioning assembly, a telecentric control assembly and an execution assembly. The telecentric control assembly comprises a static platform, a first movable platform and a plurality of first telescopic elements which are arranged between the static platform and the first movable platform and are arranged in parallel; the side, relatively away from the first movable platform, of the static platform is fixedly connected with a preoperative positioning assembly, the side, relatively away from the static platform, of the first movable platform is fixedly connected with an execution assembly, and the two ends of each first telescopic element are rotationally connected to the static platform and the first movable platform correspondingly. The execution assembly is provided with a telecentric fixed point which is fixed in the length direction of the execution assembly; the telecentric control ...

NOTCH1 intracellular activation domain (NICD1) regulator and application thereof

The invention discloses the intracellular transporter CRABP2 of ATRA for the first time, and the intracellular transporter CRABP2 has a new function of preventing an intracellular activation domain (NICD1) of NOTCH1 from entering a cell nucleus. Experimental results show that in a 83 cell line with relatively low invasiveness, after the expression of CRABP2 is inhibited, the number of NICD1 entering a cell nucleus is obviously increased. On the contrary, when the NICD1 activation inhibitor DAPT is used for treating the cells, the up-regulation of the CRABP2 is also seen, which indicates that a mutual antagonism regulation mechanism exists between the CRABP2 and the NICD1, and is also the embodiment of the new function of the CRABP2. This phenomenon does not exist in an LM cell line having lung metastasis ability. The retinoic acid system is indirectly prompted to have dysfunction in metastatic ACC cells, so that the retinoic acid system can be used as a syndrome of response capability when ...

Preparation method and application of high-temperature-resistant aerogel composite material

The invention discloses a preparation method and application of a high-temperature-resistant aerogel composite material, and belongs to the technical field of heat insulation of bridge building materials. The preparation method of the high-temperature-resistant aerogel composite material comprises the following steps: preparing a high-temperature-resistant aerogel precursor by adopting a sol-gel method; carrying out vacuum impregnation compounding on the high-temperature-resistant aerogel precursor and a fibrofelt to obtain a fibrofelt impregnated with the high-temperature-resistant aerogel precursor; and drying the fibrofelt impregnated with the high-temperature-resistant aerogel precursor by using a supercritical drying technology to obtain the high-temperature-resistant aerogel composite material. In the specific implementation process, the raw material cost is low, the operation method is simple and convenient, safety is high, the prepared multi-layer high-temperature-resistant fiber ...

Polymer coating coated silicon-based negative electrode material, preparation method and application

The invention provides a polymer coating coated silicon-based negative electrode material, a preparation method and application of the polymer coating coated silicon-based negative electrode material in a lithium ion battery. The negative electrode material is of a core-coating structure and comprises a silicon-based negative electrode material core and a polymer coating coupled to the surface of the core. The polymer disclosed by the invention is an amorphous polymer coating formed by octa-mercaptopropyl oligomeric silsesquioxane and lithium bis (allyl) borate through a click polymerization method. The coating has good ionic conductivity and electrochemical stability, the thickness of the polymer coating can be accurately controlled through the feeding amount of the precursor, and the preparation method is simple. The introduction of the polymer coating promotes the stable formation of the organic-inorganic hybrid solid electrolyte membrane, and the unique cross-linked structure obviously ...

Method and device for detecting small target in image, computer equipment and storage medium

The invention relates to the field of target detection, and discloses a method and device for detecting small targets in an image, computer equipment and a storage medium, and the method comprises the steps: obtaining a to-be-detected image, inputting the to-be-detected image into a pre-trained super-resolution model, and determining a high-resolution feature corresponding to the to-be-detected image; performing feature extraction on the to-be-detected image based on a second feature extraction network, and constructing an initial feature pyramid according to all extracted features; performing fusion processing on the initial feature pyramid and feature maps with the same size in the high-resolution features, and determining a fusion feature pyramid according to all obtained fusion results; and performing small target detection on the to-be-detected image based on the fused feature pyramid, and determining a detection result, and by adopting the method and the device, the detection precision ...

基于互联网结构的群体智能决策支持系统及其应用方法

Based on local Intranet and/or Internet, within Web server and database server in local Intranet, object-oriented decision support modules constitute generator of decision support system. These modules include class libraries, objects, attributes and methods needed by swarm intelligence decision support system under Internet environment. Each application system put forward decision application request is as application layer. The system is supported by physical facilities. Using generator of decision support system develops each application system based on Internet. Each application system asapplication layer puts forward decision application request. Through each develop tool, generator modules of decision support system as develop resources are added into application system so as to form application system having swarm intelligence decision support functions. System runs under support of physical layer in Internet.

Human body behavior recognition method, system and device and storage medium

The invention discloses a human body behavior recognition method, system and device and a storage medium, and relates to the technical field of image recognition. The method comprises the following steps: acquiring a target video; the target video comprises at least one action; each action comprises a plurality of shooting angles; determining an action recognition result according to the target video and an action recognition model; the action recognition model comprises a feature extractor, a projection head and a classifier which are connected in sequence; the action recognition model is trained according to an updating momentum and a loss function; the loss function comprises a cross entropy loss function and a contrast loss function. The accuracy of action recognition in the video can be improved.

Butterfly-shaped leading-in optical cable with adjustable reinforcers

The invention belongs to the field of optical cables, and particularly relates to a reinforcer-adjustable butterfly-shaped leading-in optical cable, which is provided with an outer protective layer, and is characterized in that a spacing armor is arranged in the outer protective layer, the spacing armor is composed of at least three left and right spacing plates, all the left and right spacing plates are arranged in parallel, a containing groove is formed between every two adjacent left and right spacing plates, and the containing grooves are communicated with the outer protective layer. From left to right, the opening direction of the (2n-1) th accommodating groove is opposite to the opening direction of the (2n) th accommodating groove, n is a positive integer, and the sum of the number of the first reinforcers in the accommodating grooves and the number of the optical units in the accommodating grooves is smaller than or equal to the number of the accommodating grooves; the optical cable ...

Preparation method of traditional Chinese medicine combined extract containing ganoderma lucidum spore oil and spina date seed oil

The invention discloses a preparation method of a traditional Chinese medicine combined extract containing ganoderma lucidum spore oil and spina date seed oil. Belongs to the field of traditional Chinese medicine processing. The medicine combination extract comprises wall-broken ganoderma lucidum spore powder and spina date seed powder in a weight ratio of (2: 1)-(1: 2). The preparation method is simple and mature in process, low in cost, high in efficiency and environmentally friendly, the wall-broken ganoderma lucidum spore powder and the spina date seed powder are prepared into the traditional Chinese medicine combined extract according to a certain proportion through mixing granulation and CO2 supercritical extraction, and the traditional Chinese medicine combined extract has a remarkable sleep improving function.

Night underground logistics planning method and system based on urban rail transit network

The invention discloses a night underground logistics planning method and system based on an urban rail transit network. The method comprises the following steps: acquiring urban subway network information and the quantity of goods needing to be transported at each subway station at night of the day; constructing a night underground logistics transportation model based on the urban subway network information; and inputting the quantity of goods needing to be transported at each subway station at night of the day into the night underground logistics transportation model, and solving the night underground logistics transportation model to obtain a goods transportation planning result. The system comprises an acquisition module, a data storage module, a solving module and an output module. According to the method, a night underground logistics transportation model is constructed based on urban subway network information, and the model can provide a scientific planning method for urban rail ...

Private data processing system, method and equipment based on edge equipment and medium

The invention discloses a private data processing system, method and equipment based on edge equipment and a medium. The private data processing method comprises the steps that a cloud server in a cloud layer coordination module issues an initialization model to all terminal equipment connected with the edge equipment; the local layer execution module carries out local training on the initialization model by adopting local data to obtain a local model; for each group of edge devices, after receiving a local training completion message fed back by each edge device in the group, carrying out edge local aggregation on all local models in the group; a cost layer calculation module is adopted to calculate the number of edge aggregation centers, and a knowledge layer sensing module and a center layer selection module are adopted to determine an edge aggregation center subset; and the edge layer aggregation module executes local model global cyclic aggregation training according to the edge aggregation ...

Optical fiber ribbon optical cable with plugging unit

The invention belongs to the technical field of optical cables, and particularly relates to an optical fiber ribbon optical cable with a plugging unit, which is provided with an outer protective layer and an inner protective layer, the outer protective layer is positioned outside the inner protective layer, and the optical fiber ribbon optical cable is characterized in that the plugging unit is arranged in the inner protective layer and is provided with an integrally formed plugging unit protective layer; the plugging unit protection layer is composed of a connecting part, a first accommodating body located on the right side below the connecting part and a third accommodating body located on the left side below the connecting part, and optical fiber ribbons formed by combining a plurality of optical fibers are arranged in the first accommodating body and the third accommodating body; the optical fiber cable has the beneficial effects of simple structure, low cost, simultaneous photoelectric ...

Seedling raising device for holothurian culture

The invention discloses a seedling culture device for holothurian culture, and relates to the technical field of holothurian culture, the seedling culture device comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with a first supporting rod, the seedling culture device further comprises a placing device, by arranging the placing device, a seedling culture plate of holothurian can be placed, and the seedling culture mode can be adjusted; the placing device comprises two first fixing rings and a rotating frame, the first fixing rings are fixedly connected to the ends, away from the bottom plate, of the first supporting rods, the number of the first fixing rings is two, and the rotating frame is fixedly connected to the rotating frame. The two first fixing rings are fixedly connected to the ends, away from the bottom plate, of the first supporting rods, the two first fixing rings are arranged, the rotating stability of the rotating frame can be improved through ...