矿用总线先导阀

Climbing frame construction method for constructional engineering

The invention discloses a construction method for a building engineering climbing frame. The construction method comprises the following steps that an operation platform beam and a diagonal draw bar are connected and fixed; two metal beams are installed to serve as an operation platform support, springboards are installed on the metal beams, and vertical auxiliary main frames on the outer side are connected through galvanized steel pipes; assembling a climbing frame on the flat ground, slowly hoisting the climbing frame by using a tower crane, and adjusting the climbing frame to be vertically opposite to the mounting part; after the climbing frame is assembled on the flat ground, the tower crane is controlled by the hydraulic lifting system to hoist the climbing frame to a mounting part, and the climbing frame is moved by a worker and anchored into the guide device; anchoring parts are embedded in structural concrete according to the distance of a vertical main frame of the climbing frame ...

Method for backfilling fertilizer groove by using fluid-state solidified regenerated mixture

The invention discloses a method for backfilling a fertilizer tank by using a fluid-state solidified regenerated mixture, which comprises the following steps of: preparing the fluid-state solidified mixture, cleaning sundries falling back in the fertilizer tank to be backfilled, pouring the backfilled fertilizer tank by using the fluid-state solidified mixture, pouring in a layered manner, and ensuring that the pouring height of each layer is not more than 2.0 m, after pouring is completed, watering maintenance is needed, and the shortest construction interval of each layer is 12 h or above. The premixed flow state curing regeneration mixture has high strength and fluidity suitable for pumping construction, the construction speed is high, and the formed premixed flow state curing regeneration mixture is high in strength, controllable in quality, low in cost and wide in application range.

Method for preventing particle jumping on surface of particulate matter

The invention discloses a method for preventing particle take-off on the surface of a particulate matter, and the method specifically comprises the following steps: carrying a laser irradiation device by a flyer or a ground moving object, emitting laser to form a small laser irradiation area on the surface of the particulate matter in the moving process, and sintering particles in the small area, and continuously moving the aircraft or the ground moving object to form a continuous laser sintering area, and finally forming a net-shaped curing layer to cover the surface of the particulate matter. According to the invention, when related engineering needs exist, the problem of jumping of any particulate matter including outer space planet dust can be effectively solved. When the method is applied to the field of wind prevention and sand fixation, the problems that a sand fixation belt formed by an existing wind prevention and sand fixation greening planting technology is long in treatment ...

Waterproof and breathable protection device for cable elbow head

The invention relates to the electric power field, relates to a cable elbow protection device, and especially relates to a cable elbow waterproof breathable protection device. Comprising a frame and a waterproof breathable film. The frame is defined by two L-shaped structures which are integrally formed, and a groove and a pressing strip are arranged on the outer side face of the frame; the waterproof breathable film is clamped on the groove of the frame through the pressing strip; the frame is provided with an elbow head insertion opening and a bottom plate, the bottom plate is provided with a wire opening, and the width of the pressing strip is equal to the concave width of the groove; the wire port of the bottom plate is a circle with the diameter of 5-7cm; a drying box is placed on the bottom plate; and a drying agent is arranged in the drying box. According to the utility model, the problems that the cable elbow head interface is invaded by humid air and the elbow head interface is ...

Engine starting system, starting method and electronic equipment

The invention discloses an engine starting system and method and electronic equipment. The method comprises the steps that an engine starting request is received; and selecting a target starting mode corresponding to the engine from a plurality of starting modes according to a preset judgment condition, and triggering a starting part corresponding to the target starting mode to start the engine. The problems that a flywheel motor reverse towing starting mode relates to a plurality of parts, compared with a traditional starter starting mode, reliability is greatly reduced, and the frequency of the situation that an engine cannot be started in time is high are solved.

Uncertain complex dynamic network state time-varying recursive estimation method

The invention discloses an uncertain complex dynamic network state time-varying recursive estimation method. The method comprises the following steps: step 1, establishing a complex network dynamic model with dynamic deviation and constraint measurement; 2, augmenting the complex network dynamic model, and constructing a time-varying recursive state estimator for the augmented complex network dynamic model; step 3, calculating an upper bound Xi, s + 1s of a pre-estimated error covariance; step 4, calculating a gain matrix pi < i, s + 1 > in the time-varying recursive state estimator; 5, pii and s + 1 are substituted into the step 2, an estimated value of the ith network unit at the next updating moment is obtained, whether s + 1 reaches the estimated total step length W of the complex network or not is judged, if s + 1 is smaller than W, the step 6 is executed, and if s + 1 is equal to W, circulation is ended; step 6, calculating an estimation error covariance upper bound Xi, s + 1s + 1 ...

Power supply maintenance display equipment convenient to move

The invention relates to the technical field of electric power, and discloses convenient-to-move power supply maintenance display equipment which comprises a supporting seat, a driving device is fixedly mounted on one side of the supporting seat, and symmetrically distributed vertical rods are fixedly mounted on the two sides of the top of the supporting seat; clamping mechanisms used for fixing the showing stand are fixedly installed on the opposite faces of the two vertical rods, sliding blocks are slidably connected to the interiors of the vertical rods, and the inner sides of the sliding blocks are rotationally connected with the clamping mechanisms through damping rotating shafts. When the clamping mechanism is rotationally connected with the sliding block, the showing stand arranged on the clamping mechanism can rotate along with rotation of the clamping mechanism, so that the showing angle on the showing stand can be better adjusted when power supply maintenance is carried out on ...

Filtering method based on self-triggering and coding and decoding mechanism

The invention discloses a filtering method based on a self-triggering and coding and decoding mechanism. The method comprises the following steps: step 1, establishing a time-varying system dynamic model; 2, carrying out filter design on the dynamic model established in the step 1 under a self-triggering and coding/decoding mechanism; 3, calculating a one-step prediction error covariance matrix Uh + 1h of the filter; 4, calculating a filtering gain matrix Gh + 1 of the filter at the h + 1 moment; 5, substituting Gh + 1 into the filter in the step 2 to obtain state estimation at the h + 1 moment, judging whether h + 1 reaches the total filtering duration K or not, if h + 1 is less than K, executing the step 6, and if h + 1 is equal to K, ending; step 6, calculating an upper bound Uh + 1h + 1 of the filtering error covariance matrix; and letting h = h + 1, and entering the step 2 until h + 1 = K is satisfied. The method solves the problem that an existing filtering method cannot comprehensively ...

Pen cap air flow test equipment

The invention discloses pen cap air flow testing equipment, and particularly belongs to the technical field of pen cap air flow testing, and the pen cap air flow testing equipment comprises a bottom fixing plate, a barrel for accommodating a to-be-tested pen cap, a hollow air inlet sleeve, an air outlet pipe, a linear driving device for driving the barrel to transversely slide, and a rotation driving device for driving the air inlet sleeve to rotate; the upper end of the container body is provided with a through groove used for containing a pen cap. The linear driving device comprises a rotating driving motor, a sliding cylinder, a first transmission wheel, a rotating rod, a second transmission bevel gear, a third bevel gear, a connecting rod, a fourth bevel gear, a fifth transmission gear, a transmission rod and a push plate. The pen cap air flow testing equipment can change the distance between the air source and the air inlet of the pen cap and the opposite direction of the air source ...

MULTI-DIRECTIONAL BAR CODE SCANNING DEVICE HAVING MULTIPLE LASER EMITTERS MATCHED WITH SINGLE PHOTOSENSITIVE RECEIVER

A multi-directional bar code scanning device having multiple laser emitters (202) matched with a single photosensitive receiver (700). By employing the multiple laser emitters (202) matched with a single photosensitive receiver (700), multiple paths of laser beams generated by N laser emitters (202) are projected towards a rotatable reflector group (400) via a light-projecting reflector (301), and the rotatable reflector group (400) projects the laser beams towards tilted reflector groups (501-506), such that multiple paths of laser scanning beams are generated and projected towards a bar code (000). A beam scattered by the bar code (000) is reflected reversely along the light projection path towards a light collection reflector (303) and focused on a single photosensitive receiver (700). The use of the device can increase the number of scanning beams and the scanning directions of a bar code scanning device, thereby expanding the scope of depth of field with respect to bar code scanning ...

Method and device for synchronously measuring surface and interface contours of thin film based on sub-band multi-spectrum

The invention belongs to the related technical field of precise instruments, and discloses a method and a device for synchronously measuring the surface and interface contours of a thin film based on multi-waveband multispectrum.The measuring device comprises a light splitting module, a dichroscope, a reference mirror, an imaging lens and a spectrograph, and the light splitting module is used for splitting received light into a first light beam and a second light beam; the first light beam is reflected by a to-be-measured film in a full wave band; light of a part of wave band in the second light beam is reflected by the reference mirror and interferes with light of a corresponding wave band reflected by the thin film, and the interference light and other light reflected by the thin film enter the spectrograph. According to the invention, the surface and interface contours of the film sample can be obtained at the same time by processing the spectral image, the interference spectrum and ...

Device for detecting VBG coupling process of semiconductor laser

The invention discloses semiconductor laser VBG coupling process detection equipment which comprises a base, two positioning units and a lens clamping unit are arranged on the base, a mounting groove is further formed in the base, and a lens detection unit is arranged in the mounting groove; wherein the two positioning units are used for positioning a semiconductor laser base, and the lens clamping unit is used for clamping a lens body; according to the invention, through the arrangement of the positioning unit, the semiconductor laser base can be positioned from the periphery through the pressing plate and the auxiliary part in the positioning unit, so that the center positioning of the semiconductor laser base is realized; according to the contact device, the elastic contact piece is arranged, so that the impact generated when the contact device is in instant contact with the semiconductor laser base can be reduced, the protection effect is achieved, meanwhile, the contact area between ...

Head-mounted telescopic structure and headphone

The invention provides a head-mounted telescopic structure and a headphone. The head-mounted telescopic structure comprises a first support, a middle head-mounted mechanism and a second support which are connected in sequence, the first support comprises a first support body and a first sliding meshing piece which are connected, and the second support comprises a second support body and a second sliding meshing piece which are connected. The middle head-mounted structure comprises a middle shell, a movable pressing driving piece, a sliding limiting push block and a rotary meshing piece, the movable pressing driving piece is elastically and rotatably connected to the middle shell, the sliding limiting push block is elastically and slidably connected to the middle shell, the movable pressing driving piece elastically abuts against the rotary meshing piece, and the rotary meshing piece is rotatably arranged in the middle shell; the rotary meshing piece is used for rotating relative to the ...

IMMUNE COMPOSITION, PREPARATION METHOD THEREFOR, AND APPLICATION THEREOF

Provided are an immune composition, a preparation method therefor, and a use thereof. In the present invention, a prokaryotic expression system or a recombinant adenovirus system is used to highly efficiently express VZV envelope gE glycoprotein and the flagellin fusion protein thereof. The produced recombinant gE protein, gE flagellin fusion protein, and recombinant adenovirus vector, or compositions thereof is used to immunize a mouse so as to promote the body to generate gE and VZV specific antibody titer, as well as gE and VZV specific cell immunity.

Electric steam mop

... 本实用新型是有关于一种电动蒸汽拖把，包括拖把底座、连接座、拖把杆和把手，所述的拖把底座与连接座之间通过连接轴连接，拖把底座内设有电机和转盘连接盒，转盘连接盒中间设有蒸汽出口，所述的连接座上安装有盛水盒，连接座内安装有蒸汽发生器、水泵和线路板，所述的水泵上设有水泵进水管和出水连接管，水泵进水管与盛水盒连接，水泵通过出水连接管与蒸汽发生器连接，蒸汽发生器上设有蒸汽出口连接管，蒸汽出口连接管与转盘连接盒上的蒸汽出口连接，线路板上连接有电线和总线接头，拖把底座底端安装有两个转盘，转盘上安装有拖把布，连接座上方连接有拖把杆，拖把杆上设有把手，把手上设有总开关。 ...

Multi-way valve, multi-way valve with series connection structure and multi-way valve with series-parallel connection structure

The multi-way valve comprises a valve body, a valve control assembly and a valve element assembly, the valve body is provided with an oil inlet channel, an oil return channel, a working port oil supply channel, a working port oil return channel and a center unloading channel, and the valve control assembly comprises a control valve and a load sensor. The control valve can adjust the front-back pressure difference of the control valve according to detection information of the load sensor, the valve element assembly comprises a valve element, the valve element is arranged in the valve body, and when the valve element controls the working port oil supply channel to be communicated with the oil inlet channel, the working port oil return channel is communicated with the oil return channel, and the center unloading channel is disconnected with the oil inlet channel. When the valve element controls the working oil supply channel to be disconnected from the oil inlet channel, the working opening ...

Deep-delivery nano-drug for blocking tumor innervation and targeted destruction of cancer cell mitochondria

The invention relates to a nano-drug for blocking tumor innervation and targeting cancer cells to damage mitochondria through deep delivery, a preparation method of the nano-drug, a polymer carrier of the nano-drug and a preparation method of the polymer carrier. The tertiary amine oxide on the nano-drug can be combined with an erythrocyte membrane, and a red blood cell stool car is built for blood transmission; after reaching the tumor, the nano-drug is desorbed from red blood cells and then is combined with a cancer cell membrane to start transendocytosis to enter the tumor; the acidic microenvironment of the tumor interstitial substance induces pH-responsive release of lalotinib to block tumor nerve innervation and mediate cancer cell starvation; part of the nano-drugs enter mitochondria in a targeting manner in a transendocytosis process, camptothecin and cinnamyl aldehyde are released in mitochondria in an ROS-responsive manner, the camptothecin inhibits respiration and destroys mitochondrial ...

METHOD FOR WELDING OUTER PLATE OF INTERMODAL CONTAINER STERN

A method for welding an outer plate of an intermodal container stern: blanking a middle rib plate (4) according to an outer side shape of a side edge outer plate (1) of an intermodal container stern, and polishing a free edge of the middle rib plate (4) to be smooth; inserting the thickness direction of the middle rib plate (4) into a gap of two side edge outer plates (1) of the stern, and opening the side edge outer plates (1) with an outer groove larger than 45° and fully welding to the middle rib plate (4), an outer side of the middle rib plate (4) having a plate edge (41) in which 1/10-1/8 of the width thereof is left outside of the side edge outer plates (1); docking an upper part of the middle rib plate (4) against an upper outer plate (2) of the intermodal container stern, and opening the inside of the upper outer plate (2) with a 40° groove and welding away from the middle rib plate (4) by a 5-7mm gap; docking a lower part of the middle rib plate (4) against a cast steel member ...

Cable tapering device

The invention discloses a cable tapering device which comprises a tapering assembly, a rotating assembly and an outer shell, the tapering assembly is contained in the outer shell and is in sliding connection with the outer shell through a sliding groove, the rotating assembly penetrates through a bottom plate of the outer shell and is fixedly connected with the tapering assembly, and the tapering assembly is fixedly connected with the rotating assembly. And the tapering assembly is used for tapering the cable in response to the rotation of the rotating assembly after the cable enters the tapering assembly from the inlet of the tapering assembly, so that the use convenience of tapering the insulating layer outside the cable is improved, and the working efficiency is improved.

Polyurethane material with fluorescent and antibacterial properties and preparation method thereof

The invention discloses a polyurethane material with fluorescent and antibacterial properties and a preparation method thereof. The preparation method comprises the following steps: firstly, preparing a product 1 from paraformaldehyde and diethanol amine, and adding an antibacterial agent into the product 1 to obtain a product 2; preparing a polymer 1 by taking polyalcohol, polyisocyanate and the product 2 as main raw materials; and finally introducing pyrene with vinyl to obtain a final product. The material has fluorescent and antibacterial properties; the compound is prepared from natural and easily available compounds, and has good biological safety; the flexibility of a macromolecular chain is effectively reduced; while the thermal stability is improved, local fluorescence quenching is hindered by attraction synergy of a pi-pi effect on pyrene; the agglomeration phenomenon is not easy to occur in the polymerization process, and the problem of fluorescence quenching is avoided; the ...

BARCODE RECOGNITION ENGINE AND POWER CONSUMPTION REDUCTION CONTROL METHOD THEREFOR

Disclosed are a barcode recognition engine and a power consumption reduction control method therefor. The barcode recognition engine comprises an optical imaging unit (1), a light supplementing unit (2), an aiming unit (3), a decoding unit (4), and an engine single-chip microcomputer (5). When the decoding unit (4) is triggered for decoding, the optical imaging unit (1) collects an optical signal, converts the optical signal into image data and transmits the image data to the decoding unit (4) for decoding. The optical imaging unit (1) controls a power supplying state of the light supplementing unit (2, 21, 22) according to a frame period signal generated in the optical imaging unit and a power control signal output by the engine single-chip microcomputer (5). The optical imaging unit (1) controls the light supplementing unit (2, 21, 22) to turn on for light supplementing in an exposure time period of the frame period signal, and controls the light supplementing unit (2, 21, 22) to turn ...

Metal matrix composite material parameter design method and device based on deep learning and medium

The invention discloses a metal-based composite material parameter design method and device based on deep learning and a medium, and belongs to the field of metal-based composite materials. According to the method, the technological parameters of the metal-based composite material are obtained, the technological parameter space is constructed, all the parameters in the technological parameter space are transmitted to the pre-constructed machine learning model, the mechanical property prediction result is obtained through the machine learning model, and the mechanical property prediction result is further obtained according to the first preset threshold value. Selecting performance standard-reaching results from the mechanical performance prediction results, then obtaining qualified process parameters corresponding to the performance standard-reaching results, and combining the qualified process parameters to obtain a qualified parameter space. According to the method, the range of an industrial ...

Gantry power-assisted lifting device

The invention relates to a hoisting tool, in particular to a gantry power-assisted hoisting device which comprises a cross beam, supporting legs located at the two ends of the cross beam, a hoisting movement assembly, a hoisting translation assembly, a hoisting rotating mechanism and a power air cylinder. Supporting legs at the two ends of the cross beam are parallel to each other and installed on the horizontal plane, a lifting translation assembly is arranged on the lower portion of the cross beam located between the two supporting legs, the lower end of the lifting translation assembly is connected to a lifting rotating mechanism, and the lower end of the lifting rotating mechanism is fixedly connected to a lifting movement assembly. One end of the hoisting movement assembly is a power end, the other end of the hoisting movement assembly is a hoisting end, the power air cylinder is installed at the power end of the hoisting movement assembly, and the hoisting end is connected with a ...

IMMUNE COMPOSITION, PREPARATION METHOD THEREFOR, AND APPLICATION THEREOF

Provided are an immune composition, a preparation method therefor, and a use thereof. In the present invention, a prokaryotic expression system or a recombinant adenovirus system is used to highly efficiently express VZV envelope gE glycoprotein and the flagellin fusion protein thereof. The produced recombinant gE protein, gE flagellin fusion protein, and recombinant adenovirus vector, or compositions thereof is used to immunize a mouse so as to promote the body to generate gE and VZV specific antibody titer, as well as gE and VZV specific cell immunity.

METHOD AND APPARATUS FOR ALLOCATING CHANNEL RESOURCES, AND COMPUTER STORAGE MEDIUM

Disclosed are a method and apparatus for allocating channel resources, and a computer storage medium. The method for allocating channel resources comprises: determining a channel condition of a link where a terminal is located and the amount of service data to be transmitted by the terminal; determining at least one set of transmission information to be chosen by the terminal, and when the transmission information to be chosen is used by the terminal, a channel state meets the requirements for the channel condition of the link where the terminal is located, and the amount of transmitted data meets the requirements for the amount of service data to be transmitted by the terminal; taking a set of transmission information to be chosen, which occupies the minimum of the total amount of channel resources, as transmission information used by the terminal; and informing the terminal of the transmission information used by the terminal.

Novel little carriage

... 本实用新型涉及一种新型小客车车厢，其特征在于：它包括车体（1），车体（1）内设置有前座（2）和后座（3），所述车体（1）在其两侧车门处漏空，两侧车门的外部均设置有一个转动式车门（4），所述转动式车门（4）的一端与车体（1）侧面铰接，从而可以与车体在垂直方向上相对转动，所述车体（1）的车顶为转动式车顶（7）。这种新型小客车车厢通过将车门改成转动式车门，这样便无需经常打开车门就能上下车及行驶，从而方便了进出，并且行驶时可以根据需要转动车门和转动式后厢盖的开启度，可以有效通风，减少阻力。下雨天或需保温时可以全关上，达到厢式车的效果。 ...

High-performance RTF copper foil surface treatment method

The invention discloses a high-performance RTF copper foil surface treatment method, which belongs to the technical field of copper foil surface treatment, and comprises the following steps: S1, alternate electric pulse pickling; s2, coarsening is carried out; s3, curing is conducted; s4, repeating the steps S2-S3; s5, performing weak coarsening; s6, plating zinc and nickel; s7, carrying out anti-oxidation plating; s8, cleaning the surface of the copper foil, and blow-drying; and spraying a silane coupling agent liquid on the laminated surface, draining off redundant liquid on the surface, and drying. According to the RTF copper foil treated by the method disclosed by the invention, the peak value Rz of a laminated surface is 2.0-3.0, the peel strength of a Tg150 resin system film pressing plate and a 35 mu m copper foil is 1.25-1.5 kgf/cm, and the bottom corrosion amount is less than or equal to 0.15 mm after the copper foil is soaked in 5% hydrochloric acid for 10 minutes. And through ...

SELF-ADAPTIVE MODELING APPARATUS FOR THREE-PHASE ALTERNATING-CURRENT ELECTRIC ARC FURNACE, AND SIMULATION ALGORITHM THEREFOR

A self-adaptive modeling apparatus for a three-phase alternating-current electric arc furnace and a simulation algorithm therefor, which relate to the field of power quality analysis and control. The self-adaptive modeling apparatus for a three-phase electric arc furnace can reflect the three-phase unbalance problem of the electric arc furnace, and can correspondingly change model parameters according to the change of working conditions so that the model parameters are corresponding to the working conditions. According to the apparatus and the simulation algorithm therefor, simulation model parameters are optimized and adjusted according to actual operating conditions, and real power utilization characteristics of the electric arc furnace can be reflected more accurately, so that a theoretical basis is provided for the research on power quality phenomena of the electric arc furnace under different operating conditions and for the improvement on the receptivity of a power grid to the electric ...

METHOD, RELATED SYSTEM AND DEVICE FOR KEEPING CS DOMAIN OF SINGLE-CARD DUAL-STANDBY TERMINAL RESIDING IN TWO NETWORKS SIMULTANEOUSLY

Provided are a method,related system and device for keeping the CS domain of a single-card dual-standby terminal residing in two networks simultaneously. The method is applied at the network side and includes: receiving 2G and 3G network location update requests sent by a single-card terminal, with the requests carrying the same user ID; completing CS domain location update together with the terminal so that the CS domain of the terminal resides in 2G and 3G networks, and saving the location information about the networks resided in by the terminal; when receiving a CS domain service request sent by the calling user, preferably selecting the 2G network to execute the CS domain service according to the saved 2G location information, but when there is no 2G network location information or the 2G network cannot meet the requirement of the CS domain service, selecting the 3G network to execute the CS domain service according to the saved 3G location information. By way of the above solution ...

New fan of heat recovery that utilizes rainwater to spray

... 本实用新型公开了一种利用雨水喷淋的热回收新风机，包括雨水收集喷淋系统和热回收新风机主体；所述热回收新风机主体包括新风管道、回风管道和位于新风管道和回风管道之间的换热芯体，所述换热芯体为铝制菱形换热芯体；所述雨水收集喷淋系统包括雨水水箱和喷淋装置，所述雨水水箱通过雨水管与雨水收集装置连接，所述喷淋装置位于热回收新风机主体的回风管道内，所述喷淋装置可对换热芯体一侧进行喷雾。本实用新型在保留了铝制菱形换热芯体易于清理且耐用的优点，同时克服了其只能显热交换带来的较低传热效率，提高了热回收效率，雨水收集喷淋系统有助于节约水资源，降低热回收新风机的使用成本。 ...

Method for judging gliding accident position of cylindrical valve of water turbine

The invention discloses a water turbine cylindrical valve gliding accident position judgment method. A cylindrical valve gliding state judgment unit, a cylindrical valve gliding quantity measurement unit, a cylindrical valve gliding to alarm position judgment unit, a cylindrical valve gliding to accident position judgment unit, a cylindrical valve gliding signal output unit and a cylindrical valve gliding alarm reset unit which are logically connected in sequence are included. The barrel-shaped valve gliding state judgment unit judges the working state of the barrel-shaped valve in real time, judges the state of the barrel-shaped valve in the full-open state, the full-closed state, the opening process state, the closing process state, the emergency closing process state, the gliding process state and the intermediate state through the control mode, the control command and the barrel-shaped valve opening state information of the barrel-shaped valve gliding state judgment unit, and collects ...

CARRIER AGGREGATION-BASED DATA TRANSMISSION METHOD AND DEVICE

Disclosed in the present invention are a carrier aggregation-based data transmission method and device. The method comprises: when a network side decides to use more than two carrier units to transmit same data for a user equipment(UE) supporting carrier aggregation (CA), selecting at least one of the carrier units to transmit the same data; and indicating, by the network side, to the UE that the data transmitted by the at least one carrier unit is the same data.

Circuit working power consumption control system and method of multi-interface multi-system complete machine

The invention relates to a circuit working power consumption control system and method for a multi-interface multi-system complete machine, and belongs to the technical field of power consumption control, and the system comprises a wake-up voltage execution unit, an interface access detection unit, a normal voltage execution unit, a vacancy time timing unit, a power-off execution unit, a manual control unit and a main control unit. Power supplies of the functional modules are managed independently and switched on and off independently, so that power consumption in each working state can be reduced integrally. And the working voltage is divided into two states, namely the lowest wake-up voltage and the normal working voltage, so that the working power consumption of the whole machine can be reduced. The idle time can be manually set and can be changed according to different application scenes of each machine. And the power supply output is controlled to be switched on and off through a simple ...

Cerium-cobalt composite oxygen carrier as well as preparation method and application thereof

The invention discloses a cerium-cobalt composite oxygen carrier as well as a preparation method and application thereof, and the preparation method comprises the following steps: sequentially adding a complexing agent and activated carbon into a mixed solution of cerium nitrate and cobalt nitrate to obtain a mixture; carrying out heating treatment on the mixture to obtain a precursor solution; and carrying out microwave treatment on the precursor solution, and carrying out high-temperature calcination treatment on a product obtained after microwave treatment to obtain the cerium-cobalt composite oxygen carrier. The method is simple in process and short in production period, the obtained oxygen carrier is rich in mesopores, the mass transfer efficiency of the material at high temperature is improved through the rich mesopores, and the reaction activity, CO selectivity and cycling stability of the oxygen carrier are enhanced.

IMMUNE COMPOSITION, PREPARATION METHOD THEREFOR, AND APPLICATION THEREOF

Provided are an immune composition, a preparation method therefor, and a use thereof. In the present invention, a prokaryotic expression system or a recombinant adenovirus system is used to highly efficiently express VZV envelope gE glycoprotein and the flagellin fusion protein thereof. The produced recombinant gE protein, gE flagellin fusion protein, and recombinant adenovirus vector, or compositions thereof is used to immunize a mouse so as to promote the body to generate high levels of gE and VZV specific antibody titer, as well as gE and VZV specific cell immunity. The present invention has relatively good immunogenicity and can be developed into a new generation of modified VZV vaccines. Unlike the commercial attenuated vaccines currently available, the vaccines developed using the present invention would not make vaccine receiver suffer the risk of contracting Shingles. In addition, the vaccines developed using the present invention have lower side effect than existing subunit Shingles ...

Bus type multi-way valve

The bus type multi-way valve comprises a valve body, a valve element, an electromagnetic proportional valve, a controller and a pressure sensor, the valve body is provided with an oil supply port and an oil return port, the valve element is arranged in the valve body, and the valve element can move to control the opening degree of the oil supply port and the opening degree of the oil return port; the pressure sensor and the controller are both arranged on the valve body, the electromagnetic proportional valve and the pressure sensor are both connected with the controller, the pressure sensor can detect the pressure of the oil supply port, the controller can control the electromagnetic proportional valve to act according to detection information of the pressure sensor, and the electromagnetic proportional valve can control the valve element to move. According to the bus type multi-way valve, the pressure sensor is additionally arranged on the basis of conventional flow control to assist ...

Steel ball machining method

The invention relates to a steel ball machining method which is suitable for machining large-size and small-batch steel balls. The method comprises the following steps of forging, annealing, ball polishing, quenching, finish turning, flaw detection, grinding, primary grinding, fine grinding and inspection. In the grinding process, grinding equipment is adopted to carry out dry grinding on a machine tool firstly and then carry out wet grinding; dry grinding refers to dry grinding without grinding fluid by using grinding materials, and wet grinding refers to spraying grinding fluid after dry grinding; according to the steel ball machining method, on the basis that hard grinding is replaced by finish turning, grinding is added before initial grinding, a special grinding material is adopted, and the production efficiency is guaranteed; the grinding procedure is added, the machining amount of primary grinding is reduced, and the production efficiency is improved; after the grinding procedure ...

COLD STERILIZATION PRODUCTION LINE USING HIGH-VOLTAGE ELECTRIC FIELD AND LOW-TEMPERATURE PLASMA

Disclosed is a cold sterilization production line using high-voltage electric field and low-temperature plasma, comprising a case (1), a rack (2), a conveyor belt mechanism (3), core cold sterilization devices using high-voltage electric field and low-temperature plasma (4), a high-voltage transformer (5), a high-voltage control cabinet (6), a distribution box (7), a high-voltage electric field shielding doors (8) and a control device (9). 2-5 sets of core cold sterilization devices using high-voltage electric field and low-temperature plasma (4) are arranged in the case (1) above the rack (2) and are distributed at certain intervals along the moving direction of the conveyor belt mechanism (3); each set of the core cold sterilization devices using high-voltage electric field and low-temperature plasma (4) is composed of 2-6 sets of high-voltage electrode assemblies (41) which are arrayed in parallel in one row; the high-voltage electrode assemblies (41) are controlled by a transmission ...

Power supply box convenient for heat dissipation

The invention discloses a power supply box convenient for heat dissipation, which comprises a power supply box main body, a power supply equipment assembly is assembled in the power supply box main body, and a heat dissipation box body is assembled on the side wall of the power supply box main body; a dustproof opening is formed in the side wall of the heat dissipation box body, and a dustproof net plate is embedded in the dustproof opening. Fixing grooves are formed in the inner walls of the two sides of the dustproof opening, fixing blocks are installed on the two side walls of the dustproof net plate, and the fixing blocks are installed in the fixing grooves; a dismounting hole is formed in the inner wall of the fixing groove in a penetrating mode, a storage cavity is formed in the side wall of the fixing block, and a limiting main body is installed in the storage cavity; the power supply box convenient to dissipate heat is simple in structure and convenient to operate, the dustproof ...

Single-fiber bidirectional fusion positioning type railway optical cable monitoring system and method

The invention relates to a single-fiber bidirectional fusion positioning type railway optical cable monitoring system and method, and the system is characterized in that a light transmitting port of a first distributed feedback laser light source is connected with an input port of a scrambler, an output port of the scrambler is connected with a first port of a circulator, and a second port of the circulator is connected with a measured optical fiber; the other end of the measured optical fiber is connected with a public port of the first wavelength division multiplexer, and an output port of the first wavelength division multiplexer is connected with the second distributed feedback laser light source and the optical fiber reflector; a third port of the circulator is connected with a common port of the optical switch, an output end of the optical switch is respectively connected with the single-polarization optical fiber and the third photoelectric detector, the other end of the single-polarization ...

Multifunctional electric leakage detection mechanism

The invention discloses a multifunctional electric leakage detection mechanism, and relates to the technical field of electric leakage detection, and the mechanism comprises a working plate, the working plate is provided with symmetrical and through sliding grooves, the interiors of the sliding grooves are fixedly connected with positioning blocks, the interiors of the positioning blocks are movably connected with threaded rods, and the threaded rods are spirally connected with sliding blocks. A plurality of through holes are formed in the side edge of the working plate, a supporting plate is fixedly connected to the sliding block, a fixing block and a sliding rail are fixedly connected to the supporting plate, and a first connecting rod is movably connected to the fixing block through a rotating shaft; an arranged threaded rod can drive a sliding block to move in a sliding groove when rotating, the distance between the supporting plates can be adjusted according to the size of a circuit ...

Display input as a result of the method and device

... 本发明公开了一种显示输入结果的方法及装置，属于信息处理技术领域。所述方法包括：将用户输入的信息转换为相应的输入结果；显示所述转换出的输入结果，并在任一输入结果被选中时，根据所述被选中的输入结果，获取所述被选中的输入结果对应的扩展信息；显示所述被选中的输入结果对应的扩展信息。所述装置包括：转换模块、第一显示模块、获取模块和第二显示模块。本发明通过在任一输入结果被选中时，根据被选中的输入结果，获取并显示被选中的输入结果对应的扩展信息，从而扩大输入结果的可显示内容，为用户选择输入结果提供更直接有效的帮助，同时具有实现高效地获取信息的效果。 ...

High strength hatch encloses

... 本实用新型涉及种高强度舱口围，其特征在于：包括舱口面板、舱口围板、加强筋和肋板，舱口围板垂直焊接与舱口周边甲板上且与舱口内壁竖直方向平齐，舱口围板外垂直焊接连接多个肋板的内侧边，肋板上端面与舱口围板上端面平齐且两者的上端面垂直焊接连接舱口面板下端面，肋板的下端面与甲板焊接，肋板的外侧边焊接有加强筋，加强筋的上端面焊接连接舱口面板的下端面;所述舱口面板、舱口围板、加强筋和肋板为EH47超高强度钢。 ...

Split structure of B-type fuel cabin of container ship and epoxy resin pouring device for laminated wood

The invention relates to the technical field of cabin structure design, in particular to a split structure of a B-type fuel cabin of a container ship and a laminated wood epoxy resin pouring device, and provides the split structure of the B-type fuel cabin of the container ship and the laminated wood epoxy resin pouring device which are convenient to operate and easy to control the thickness of epoxy resin. A laminated wood epoxy resin pouring device of a split structure of a B-type fuel cabin of a container ship comprises a pouring tank, a sealing cover, a sliding rod, a stirring mechanism and the like. The pouring tank is hollow and provided with a feeding port, a sealing cover is arranged on the upper portion of the pouring tank, a sliding rod is fixedly connected to the upper portion of the outer side wall of the pouring tank, and a stirring mechanism used for stirring epoxy resin is arranged on the sliding rod in a sliding mode. By arranging the lifting mechanism, the split fuel cabin ...

Transformer small sample fault diagnosis method based on data enhancement

The invention provides a transformer small sample fault diagnosis method based on data enhancement, and the method specifically comprises the steps: selecting a to-be-detected transformer, collecting the detection information of the to-be-detected transformer, carrying out the preprocessing of the detection information of the to-be-detected transformer, and obtaining the corresponding standardized to-be-detected information; performing data enhancement on the standardized to-be-detected information to obtain enhanced to-be-detected information; and constructing a small sample fault diagnosis model based on the tag sample corresponding to each transformer fault, inputting the enhanced to-be-detected information into the small sample fault diagnosis model, and obtaining a fault diagnosis result of the to-be-detected transformer. According to the method, the multi-dimensional features can be automatically extracted for fault diagnosis, common features of multiple fault types can be obtained ...

Blood vessel recognition method, electronic equipment and readable storage medium

The invention provides a blood vessel recognition method, electronic equipment and a readable storage medium, the method is applied to an ultrasonic endoscope small probe system, and the method comprises the following steps: acquiring an ultrasonic image of a suspected focus area scanned by an ultrasonic endoscope small probe; obtaining an operation of a user on the ultrasonic image, and determining the ultrasonic image as a reference ultrasonic image; controlling the ultrasonic endoscope small probe to re-scan the suspected focus area after the ultrasonic contrast agent is injected to obtain a real-time ultrasonic image; judging whether a difference value between the gray value of the real-time ultrasonic image and the gray value of the reference ultrasonic image is greater than or equal to a first preset threshold value or not; and if yes, determining that the blood vessel exists in the ultrasonic image. Therefore, a physician can be assisted to distinguish normal vascular tissues and ...

Method for adjusting circulating water flow of nuclear power plant

The invention belongs to the technical field of nuclear power plant circulating pump control, and particularly relates to a nuclear power plant circulating water flow adjusting method. In the nuclear power plant circulating water supply system, each unit is provided with at least one circulating pump, and the circulating pump is controlled by a circulating pump frequency converter; the method comprises the steps that after the circulating pump is started, the given frequency of the frequency converter is adjusted according to the cold source temperature. According to the method, the circulating water flow can be reduced by reducing the running frequency of the circulating pump in winter, so that the condensation water supercooling degree of a conventional island is reduced, and the problem of low condensation water supercooling degree in winter is solved.

Solar energy water heating controller

... 一种太阳能热水控制器，其特征在于，包括中央处理器、液晶显示触摸屏、触摸响应模块、显示模块、报警模块、数据采集模块、调节控制模块、无线收发模块、漏电模块。中央处理器分别连接触摸响应模块、显示模块、报警模块、数据采集模块、调节控制模块、无线收发模块和漏电模块，触摸响应模块和显示模块还连接液晶显示触摸屏，无线收发模块通过无线通信方式连接移动终端，数据采集模块连接位于热水器集水箱内的温度传感器和液位传感器，调节控制器分别连接位于进水管的进水控制阀和位于溢水管的出水控制阀，调节控制器还连接位于集水箱上的电加热器。本控制器实现智能温度显示和调控，具备主动控制和声光报警功能，还能通过移动终端进行远程监控。 ...

Handheld buffering protector that bores

... 本实用新型公开的一种手持钻缓冲防护装置，一种手持钻缓冲防护装置，包括固定罩在钻帽带夹头(5)的连接体上的保护罩(6),其中,保护罩(6)前端制有通过钻头(7),伸入工件钻孔加工体的防护筒,所述防护筒的台阶孔内设有通过钻头(7),一端限位在台阶孔内，一端由内向外伸出所述防护筒轴端的缓冲弹簧(8)。本实用新型解决了手持式钻较长工作长度钻头，在高速旋转状态下工作，穿孔突进加速重力，时常导致铣伤制孔工件口径边缘现象的问题。 ...

Nano-drug for inducing mitochondrial dysfunction to reverse multi-drug resistance through red blood cell transfer

The invention relates to a nano-drug for reversing multidrug resistance by inducing mitochondrial dysfunction through red blood cell transfer, a preparation method of the nano-drug, a polymer carrier of the nano-drug and a preparation method of the polymer carrier. After intravenous administration, the nano-drug can be combined with an erythrocyte membrane, and a red blood cell stool car is built for blood transmission; after reaching the tumor, the nano-drug is desorbed from red blood cells and then is combined with a cancer cell membrane to start transendocytosis to enter the tumor; the acidic tumor microenvironment induces tertiary amine protonation to start cation-mediated transendocytosis to promote tumor deep penetration of the nano-drug; part of the nano-drugs enter mitochondria in a targeting manner in a transendocytosis process, 3-bromopyruvic acid and cinnamyl aldehyde are released in mitochondria in a ROS-responsive manner, the 3-bromopyruvic acid is used for inhibiting respiration ...

Channel state information reporting method, electronic equipment and storage medium

The embodiment of the invention relates to the technical field of communication, and discloses a channel state information reporting method, electronic equipment and a storage medium. The channel state information reporting method is applied to a station STA, and comprises the following steps: acquiring channel state information of each target unit in a target bandwidth; the target unit comprises a multi-resource unit (MRU), or the target unit comprises each continuous frequency band in the target bandwidth under the condition that the target bandwidth is discontinuous; compressing the channel state information of each target unit based on a preset machine learning model to generate a channel measurement report according to a compression result; and sending the channel measurement report to a wireless access point (AP). The method is at least beneficial to reducing resources occupied in a channel state information reporting process during discontinuous bandwidth or multi-resource unit scheduling ...

Big data analysis-based live broadcast goods carrying quality evaluation method

The invention discloses a live broadcast goods carrying quality evaluation method based on big data analysis. The method comprises the following steps: obtaining live broadcast goods carrying data; obtaining a feature vector of a live broadcast attribute based on the live broadcast goods-carrying data; based on the live broadcast goods carrying data, obtaining a preset number of live broadcast goods carrying quality classifications; on the basis of the feature vector and the live-broadcast goods quality classification, constructing a live-broadcast goods quality evaluation model; and inputting the feature vector into the live broadcast goods carrying quality evaluation model to obtain a live broadcast goods carrying quality category. According to the method, the support vector machine is adopted to perform big data learning, the quantitative evaluation model between the live broadcast attribute feature vector and the cargo carrying result is established, and the quantitative evaluation ...

Area sprays new fan of heat recovery of function

... 本实用新型公开了一种带喷淋功能的热回收新风机，包括两套空气喷淋系统和热回收新风机主体，空气喷淋系统分别为自来水喷淋系统和冷凝水喷淋系统；热回收新风机主体包括新风管道、回风管道和位于新风管道和回风管道之间的换热芯体，换热芯体为铝制菱形换热芯体；自来水喷淋系统包括自来水水箱和喷淋装置，自来水喷淋系统的喷淋装置位于热回收新风机主体的回风管道内，自来水喷淋系统的喷淋装置可对换热芯体一侧进行喷雾；冷凝水喷淋系统包括冷凝水箱和喷淋装置，冷凝水喷淋系统的喷淋装置位于热回收新风机主体的新风管道内，冷凝水喷淋系统的喷淋装置可对换热芯体一侧进行喷雾。本实用新型可以提高换热芯体传热量，降低新风负荷，提高热回收效率。 ...

Microcomputer protection device suitable for low-temperature environment

The utility model discloses a microcomputer protection device adapted to a low temperature environment, comprising a cabinet, an operation panel, operation buttons, a display screen, a heating sheet, a printed circuit board, a diode, a CPU, a temperature controller, and a cabinet heating device, the front end of the cabinet is provided with the operation panel, and the front of the operation panel is provided with the operation buttons and the display screen. The computer case comprises a display screen, heating pieces are fixed to the periphery of the display screen, the outer walls of the heating pieces are wrapped with insulating glue, a printed circuit board is installed at the rear end of the display screen, a diode is connected between the printed circuit board and the display screen, a CPU and a temperature controller are installed at the top of the printed circuit board, and a case heating device is installed in the case. According to the utility model, the problems of difficult ...

Three-dimensional electric power overhaul frame

A three-dimensional electric power overhaul frame disclosed by the present invention comprises a main supporting rod, the main supporting rod comprises a cylindrical main support and a regular quadrangular prism main support, a hanging ring is arranged on one side of the upper end of the cylindrical main support, and the cylindrical main support is sleeved and connected with an upper circular ring and a lower circular ring which are coaxially arranged. The upper circular ring and the lower circular ring can horizontally rotate along the cylindrical main support, an upper telescopic inclined support and a lower telescopic inclined support which can swing up and down are hinged to the side faces of the upper circular ring and the lower circular ring correspondingly, and the lower end of the regular quadrangular main support is fixedly connected with a fastening device A; the lower end of the upper telescopic inclined support and the lower end of the lower telescopic inclined support are movably ...

Flooded evaporation type air source heat pump system

The invention discloses a flooded evaporation type air source heat pump system, and belongs to the field of heat supply air conditioners. The two ends of the exhaust pipeline communicate with an outlet of the compressor and an inlet of the condenser, the two ends of the first condensation pipeline communicate with an outlet of the condenser and the gas-liquid separator, the two ends of the first air suction pipeline communicate with an inlet of the compressor and the gas-liquid separator, and the gas-liquid separator communicates with the multiple liquid separation pipelines through the second condensation pipeline. Each liquid distribution pipeline is communicated with a corresponding evaporator inlet, a plurality of evaporator outlets are communicated with a second air suction pipeline through corresponding liquid collection pipelines, the two ends of a bypass pipeline are communicated with an exhaust pipeline and one ends of a plurality of gas distribution pipelines, the other ends of ...

Forest fire spreading prediction method and system

The invention discloses a forest fire spreading prediction method and system. The method comprises the following steps: acquiring a forest map, forest terrain and meteorological data information; dividing the forest land to be predicted into a plurality of cells with the same area according to the forest land map, and summarizing the acquired information by taking the cells as units; the method comprises the following steps: directly assigning a cellular state by considering the incombustibility of an entity of a region where a cellular is located, obtaining the cellular state based on the ratio of the burnt area of the cellular to the area of the whole cellular under the condition that the combustible entity exists in the region where the cellular is located, and calculating the current cellular state by considering the air temperature, the relative humidity, the wind speed, the wind direction and the current cellular state. Constructing a forest fire spreading model for predicting the ...

Method for predicting residual service life of draining pump of top cover of hydroelectric generating set

A method for predicting the remaining service life of a top cover drainage pump of a hydroelectric generating set comprises the following steps: constructing a top cover drainage pump historical operation data set and a top cover drainage pump operation life data set; fitting the top cover drainage pump service life data set to obtain a top cover drainage pump service life distribution rule and carrying out image identification judgment; function fault points of the top cover drainage pump are determined according to the operation life distribution rule of the top cover drainage pump and the failure principle; according to the reliability principle, reliability calculation is carried out on the historical operation data set of the top cover drainage pump and the function fault point of the top cover drainage pump, a reliability training data set of the top cover drainage pump is constructed, and a reliability threshold value of the function fault point is determined; constructing a reliability ...

Data processing method and device, server and computer storage medium

The invention provides a data processing method and device, a server and a computer storage medium, and the method comprises the steps: after a source end receives a data processing request, exporting target data according to the data processing type and the information of data source equipment needing to be processed; integrating all the target data to obtain a first target data packet; processing the first target data packet to obtain a corresponding feature code; the source end encrypts and encodes the first target data packet to obtain a third target data packet; and sending the feature codes corresponding to the third target data packet and the first target data packet to the destination end. After the destination end receives the third target data packet, decoding and decrypting the third target data packet to obtain a fifth target data packet; processing the fifth target data packet to obtain a corresponding feature code; and if the two feature codes are consistent, respectively ...

Method for detecting activity of NK (Natural Killer) cells in reproductive immunity

The invention discloses a method for detecting the activity of NK cells in reproductive immunity, and particularly relates to a kit for detecting killer cell factors secreted by the NK cells and active receptors expressed on the surfaces of the cells, so that the activity of the NK cells is comprehensively evaluated, and three representative molecules of granzyme B (GZMB), gamma interferon and CD107a secreted by the cells are detected. The intrinsic reason of the NK cell dysfunction is found from the own characteristics of the NK cells, and the reproductive immunity problem of a patient can be reflected more effectively.

Manufacturing method of low-strength high-plasticity wire rod and manufacturing method of high-strength thin steel wire

The invention discloses a manufacturing method of a low-strength high-plasticity wire rod and a manufacturing method of a high-strength thin steel wire. The manufacturing method of the wire rod comprises the steps that components of the wire rod are mixed and smelted according to the proportion, and obtained molten steel is cast to obtain a casting blank; carrying out hot rolling on the casting blank to obtain a wire rod; and cooling the wire rod, and controlling the temperature to be 660-700 DEG C and the phase change process for 15-30 seconds. The manufacturing method of the thin steel wire comprises the following steps of: performing drawing, austenitizing heat treatment and final drawing on the wire rod to prepare the thin steel wire. The deformation performance of the wire rod produced through the method is improved, the comprehensive performance of the drawn superfine steel wire can be optimized, and the structure defects are reduced while the strength of the steel wire is not lost ...

Equipment for detecting thermal insulation performance of doors and windows

The door and window thermal insulation performance detection equipment comprises a base, a hot box and a cold box, the hot box and the cold box are arranged on the base, and the base is provided with a two-way air cylinder which can drive the hot box and the cold box to move oppositely and clamp a door and window body; a feeding belt is arranged on one side of the base, and supporting rods for pushing the door and window body are rotationally arranged on the feeding belt at intervals. The end, close to the two-way air cylinder, of the feeding belt is provided with a first direction changing plate capable of changing the door and window body in the flat state into the door and window body in the vertical state. A first rail stretching across the upper portion of the middle of the overheating box and the upper portion of the middle of the cooling box is arranged above the first turning plate, and a fixing frame is arranged in the first rail in a sliding mode. A guide device for guiding the ...

Construction supporting equipment for electric power

The construction supporting equipment comprises a fixed clamping plate, an inner cavity of the fixed clamping plate is fixedly connected with a rotor motor through a fixed insertion opening, the surface of an output shaft of the rotor motor is fixedly connected with an external gear, and the surface of the external gear is connected with a main rotating disc in an engaged mode; the invention belongs to the technical field of power construction. The device has the advantages that the practicability is high, the power equipment is lifted by adopting a lifting method, so that an operator can conveniently install the equipment, during actual operation, interfaces on the front side and the rear side of the equipment are not hindered by related plate bodies, and the equipment can automatically rotate under the action of the device to carry out switching work on the front side and the rear side; and an operator is very inconvenient to carry tools and materials when transferring to the back of ...

Punching position marking tool for copper bar thermal shrinkage processing

The invention relates to a punching position marking tool for copper bar thermal shrinkage processing, which is characterized in that a fixing suite is integrally of a hollow square structure, an opening is formed in the left side surface of the fixing suite, a turnover plate is rotatably arranged at the opening, a light source sensing plate is arranged on the inner surface of the turnover plate, and a detection piece is located in the middle of the inner surface of the left side of the fixing suite; the two sets of driving limiting pieces are symmetrically arranged on the inner top face and the inner bottom face of the fixing sleeve piece respectively, one end of a connecting plate is fixedly connected with the inner wall of the fixing sleeve piece through an electric push rod, metal protection plates are vertically and fixedly arranged on the two sides of the other end of the connecting plate, and a driving wheel is transversely and rotationally arranged between the two metal protection ...

Preparation method of sitagliptin intermediate pyrazine hydrochloride

The invention relates to a preparation method of a sitagliptin intermediate pyrazine hydrochloride, and belongs to the technical field of drug intermediate synthesis. In order to solve the problems of poor yield and yield in the prior art, the invention provides the preparation method of the sitagliptin intermediate pyrazine hydrochloride, which is characterized by comprising the following steps: by taking N-[(2Z)-piperazine-2-subunit]-2, 2, 2-trifluoroacethydrazide as a raw material, carrying out cyclization reaction by heating or heating in an organic solvent medium to obtain the sitagliptin intermediate pyrazine hydrochloride. After concentrating and distilling to remove water in a system, filtering to obtain a compound 3-(trifluoromethyl)-5, 6, 7, 8-tetrahydro-[1, 2, 4] triazolo [4, 3-a] pyrazine in a free state as shown in the formula I; and adding an anhydrous hydrogen chloride reagent to carry out a salt forming reaction to obtain the corresponding compound 3-(trifluoromethyl)-5, ...

Battery pole piece overlapping method

The invention aims to provide the battery pole piece laminating method which is high in working efficiency, relatively low in cost and relatively low in material waste amount. The laminating equipment adopted by the invention comprises a positive electrode manipulator, a negative electrode manipulator, a positive electrode material table, a negative electrode material table, a positive electrode positioning table, a negative electrode positioning table, a laminating table translation device, a diaphragm paper feeding device, a deviation rectifying device and a laminating bag discharging device, the overlapping working method comprises the steps of positive and negative pole piece feeding, diaphragm paper fixing, positive and negative pole piece positioning, positive and negative pole piece overlapping and overlapping bag discharging. The invention can be applied to the technical field of battery assembly.

Vehicle remote control reliability test method and system

The invention discloses a reliability test method and system for vehicle remote control. The method comprises the steps that a computer sends various test control instructions to mobile equipment through a general command line tool; the mobile device converts the received test control instructions into remote operation instructions and sends the remote operation instructions to the corresponding remote control vehicles; the remote control vehicle responds to the various remote operation instructions to carry out function testing on vehicle electric devices and generates feedback information; the mobile device processes feedback information of the remote control vehicle to generate a remote control result picture and feeds the remote control result picture back to the computer; the computer performs character recognition on the remote control result picture to obtain a test result, and the method improves the test efficiency and the test precision through the application of an automatic ...

Reconfigurable double-wishbone type independent suspension device

The invention discloses a reconfigurable double-wishbone type independent suspension device, which belongs to the technical field of vehicles, and comprises a main shaft, an upper support, a spring damping element, an upper wishbone, a steering knuckle, a lower wishbone, a steering pull rod, a steering actuator and wheels, the upper support is fixedly connected to the main shaft; the upper cross arm and the lower cross arm are hinged with the main shaft; the steering knuckle is hinged between the upper cross arm and the lower cross arm; one end of the spring damping element is hinged to the upper support, and the other end is hinged to the middle of the lower cross arm; two supporting rods are arranged on the steering knuckle, one end of the steering pull rod is hinged to one supporting rod of the steering knuckle, and the other end of the steering pull rod is hinged to the steering actuator. The other supporting rod of the steering knuckle is coaxially connected with a hub of the wheel ...

Forging cooling system

The invention belongs to the technical field of bearing forge piece machining, and particularly relates to a forge piece cooling system which comprises a lifting mechanism, a cooling water tank, a discharging mechanism and a conveying mechanism, the lifting mechanism is fixed above the cooling water tank, and a forge piece conducts lifting motion through the lifting mechanism so as to be immersed in the cooling water tank or supported out of the cooling water tank; a discharging mechanism is arranged on one side of the upper portion of the cooling water tank and pushes the forgings supported out of the cooling water tank to the conveying mechanism. Mechanical processes such as the lifting mechanism, the discharging mechanism and the conveying mechanism are adopted, standardization and automation of the whole cooling process are achieved, the cooling temperature and the cooling time are convenient to control, and stability and consistency of products are guaranteed; a cooling water tank ...

Monitoring camera convenient and fast to disassemble and assemble

The invention discloses a monitoring camera convenient and fast to disassemble and assemble, and belongs to the technical field of cameras, the monitoring camera comprises a connecting assembly, a cleaning anti-seismic assembly is mounted below the connecting assembly, a camera assembly is mounted below the cleaning anti-seismic assembly, and a mounting device is mounted above the connecting assembly. An air flowing device is installed on the outer side of the cleaning anti-seismic assembly. According to the invention, by arranging the mounting device, a worker can quickly disassemble and assemble the camera assembly and other structures through simple operation as required, so that the disassembly and assembly difficulty of the worker is reduced, and the convenience of the camera is improved; according to the invention, by arranging the mounting device, a worker can adjust the angle of the camera assembly and other structures to a certain extent by operating the motor when needed, so that ...

Alanine production crystallization evaporator

The invention relates to an alanine production crystallization evaporator which comprises a shell, a heating vessel module is arranged at the bottom end in the shell, a sealing cover is embedded in the upper end of the shell, a fixing frame is arranged at the upper end of the sealing cover, a gas conveying module is arranged in the fixing frame, and an electric rotating disc is arranged at the lower end of the fixing frame. Wiping assemblies are evenly arranged on the edge of the electric rotating disc in the circumferential direction of the electric rotating disc, a rotating shaft capable of conveying gas is arranged in the middle of the electric rotating disc, stirring assemblies are evenly arranged at the lower end of the rotating shaft in the circumferential direction of the rotating shaft, and outlet assemblies are evenly arranged outside the shell in the circumferential direction of the shell; the problems that an existing stirring structure generally rotates in the circumferential ...

Amino acid mother liquor drying equipment

The invention discloses amino acid mother liquor drying equipment which comprises a pretreatment mechanism, a drying mechanism and a drying mechanism, a drying mechanism; the preheating spraying mechanism is fixedly arranged on the surface of the drying mechanism in a sleeving mode, the liquid inlet end of the preheating spraying mechanism communicates with the liquid outlet end of the pretreatment mechanism, and the liquid outlet end of the preheating spraying mechanism communicates with the liquid inlet end of the drying mechanism; the discharging mechanism is fixedly connected to the discharging end of the bottom of the drying mechanism; the air inlet end of the vacuumizing condensation mechanism is communicated with the air outlet end of the drying mechanism. The invention aims to solve the technical problems that in the using process of existing amino acid mother liquor drying equipment, the drying efficiency of the amino acid mother liquor is low, the treatment time of the amino acid ...

Convenient meter cover for instrument

The invention discloses a convenient instrument cover, which comprises a hook mechanism, which comprises a contraction ring assembly and an opening and closing assembly arranged at the bottom end of the contraction ring assembly; the adjusting mechanism comprises a protective shell assembly connected with the opening and closing assembly, two sets of connecting assemblies arranged on the surface of the protective shell assembly and a contraction assembly arranged on the surface of the other side of the protective shell assembly, and the connecting assemblies are vertically symmetrical; according to the invention, the instrument meter can be fixed at different positions through two modes of hanging of the hook mechanism and the magnetic attraction property of the magnet material, the instrument meter is fixed and protected at the same time, and the shell is designed according to the state of the instrument meter, so that the instrument meter is convenient to install and use in the hanging ...

Deep cavity measurement method, device, equipment and medium

The invention discloses a deep cavity measurement method, device and equipment and a medium, and relates to the technical field of deep cavity measurement. A glass tube and an industrial camera are arranged on the two sides of the deep-cavity object respectively, a laser projector and a conical reflector are sequentially installed in the glass tube, and the laser projector, the conical reflector and the industrial camera are coaxially arranged; the method comprises the steps of obtaining a deep cavity inner wall image of a deep cavity object based on an industrial camera, and obtaining three-dimensional data of the deep cavity object based on the deep cavity inner wall image; based on the three-dimensional data, constructing a three-dimensional model of the deep cavity object, and based on the industrial camera, obtaining a deep cavity inner wall image of the deep cavity object, including obtaining first reflected light reflected by the emitted laser on a conical reflector; obtaining second ...

Distributed set membership filtering method based on mobile robot positioning system

The invention discloses a distributed set membership filtering method based on a mobile robot positioning system. The method comprises the following steps: step 1, establishing a mobile robot positioning system dynamic model with a saturated state under an encryption and decryption mechanism; 2, designing a distributed set membership filter under the significance of minimizing a filtering error ellipsoid domain; 3, calculating an intermediate matrix Pi, k + 1k of each node in the sensor network at the moment k; 5, designing a distributed set membership filter of the ith sensor node at the k + 1 moment to judge whether k + 1 reaches the total duration M or not, if k + 1 is smaller than M, executing the step 6, and if k + 1 is larger than or equal to M, ending operation; step 6, calculating a filtering error limited matrix Pi, k + 1k + 1 of each sensor node; and letting k = k + 1, and executing the step 2 until k + 1 > = M. According to the method, the problem that distributed filtering of ...

Network security protection system

The invention discloses a network security protection system, which belongs to the technical field of network security and comprises a protection box body, a mounting box is mounted at the lower end of the protection box body, pulleys are mounted at the lower end of the mounting box, a moving assembly is mounted in the mounting box, and a door plate is rotationally connected and mounted on one side of the protection box body through a rotating shaft. A heat dissipation assembly is installed at the upper end of the protection box body, the heat dissipation assembly is arranged, and through cooperation of a heat dissipation fan and a dustproof net, the heat dissipation fan can conduct heat dissipation and cooling on a computer in the protection box body, and the situation that the computer is damaged due to the fact that heat generated by overload of the computer cannot be dissipated in time is avoided; by arranging the moving assembly, the protective box body can be conveniently moved by ...

Mushroom material manufacturing method for cultivating gastrodia elata through nutrition bowls and gastrodia elata planting method

The invention relates to the technical field of planting, in particular to a fungus material manufacturing method for cultivating gastrodia elata through nutrition bowls and a gastrodia elata planting method. 2, forest land preparation; 3, planting; 4, uniformly placing; 5, the wood is evenly placed in the nutrition bowl; 6, filling gaps of the wood with fine soil; 7, placing chrysanthemum grass and sawdust flowers, flattening and pressing, covering with fine soil, and covering with coverings such as pine needles and the like; the gastrodia elata planting method comprises the following steps: 1, collecting mulches such as pine needles on a cultured nutrition pot, and taking out soil until fillers such as chrysanthemum grass can be seen; 2, 12-15 seeds are evenly placed in a nutrition bowl, and all seed heads face the same direction; 3, fern grass and sawdust flowers (also can be replaced by other materials) cover the peripheries of the hemp seeds, and the surface of the whole nutrition ...

Bidirectional power modular multilevel resonant converter and power regulation and control method thereof

The invention relates to a direct current-direct current electric energy technology, and provides a bidirectional power modular multilevel resonant converter and a power regulation and control method thereof. The modularized multi-level direct-current converter comprises a modularized multi-level circuit, a resonance circuit, a medium-high frequency transformer and a rectifying circuit. According to the invention, through output detection of the current of the middle-high voltage side or the low voltage side, the working frequencies of the modularized multi-level circuit and the rectification circuit are adjusted in a closed-loop manner, so that power two-way transmission between the middle-high voltage side and the low voltage side of the converter is regulated and controlled. The advantages of a modular multi-level circuit and a resonant converter are combined, the current and voltage stress of a device is reduced, the high frequency of a system is improved, the power density is further ...

Ventilation plate structure of arc-shaped unit curtain wall

The ventilation plate structure of the arc-shaped unit curtain wall comprises a right-angle stand column, an arc-angle stand column, a unit upper cross beam, a unit lower cross beam and curtain wall glass, and the curtain wall glass is matched with the right-angle stand column, the arc-angle stand column, the unit upper cross beam and the unit lower cross beam through glass auxiliary frames; upper and lower unit cross beams are fixed on the side surfaces of the right-angle upright posts through cross beam screws, and transfer aluminum grooves are arranged in cavities at the upper and lower ends of the arc-angle upright posts and are fixedly connected with the arc-angle upright posts through screws; the unit upper and lower cross beams are respectively connected and fixed with the transfer groove aluminum at the upper and lower ends of the arc-angle upright posts; according to the scheme, the ventilation structure is designed on the unit lower cross beam to meet the requirement of the ventilation ...

Valve element control assembly and valve

The valve element control assembly comprises a support, a handle and an adjusting rod, the handle is rotatably connected to the support, one end of the handle is movably connected with a valve element connecting pin, the handle rotates to drive the valve element connecting pin to move, and the adjusting rod is in threaded connection with the support and can be screwed in and screwed out relative to the support. A connecting assembly is arranged between the adjusting rod and the valve element connecting pin and has a locking position and a releasing position, the adjusting rod is connected with the valve element connecting pin at the locking position, and the adjusting rod is separated from the valve element connecting pin at the releasing position. The valve element control assembly has double adjusting modes, rapid reversing of the valve body can be achieved through the handle, the opening degree of the valve body can be accurately adjusted and controlled through the adjusting rod, the ...

Distributed routing protocol method suitable for large-scale unmanned aerial vehicle cluster network

The invention relates to the technical field of unmanned aerial vehicle communication, in particular to a distributed routing protocol method suitable for a large-scale unmanned aerial vehicle cluster network. According to the method, a geographic position assisted greedy forwarding mode is introduced into each node in an unmanned aerial vehicle cluster, latest local topological structure information is obtained, an autonomous network is rapidly constructed, distributed routing is performed based on local topological information, received hello messages are processed, a two-hop neighbor table for obtaining the local topological information is established, and the local topological information is obtained. Resources are dynamically allocated through the dynamic routing relay, and appropriate channel resources are quickly allocated to each node; a ground base station selects a minimum distance path from a source node to a destination node based on a routing decision of local information, ...

Dust sensor and dust concentration detection method

The invention discloses a dust sensor, which comprises a dust fan, an air blowing end, a dust sensor, a dust sensor and a control device, wherein one end of the dust fan forms the air blowing end; the strain gauge is located on one side of the blowing end, the strain gauge receives the gas blown out by the dust fan, and the dust content in the gas is judged by monitoring the change of the resistance value of the strain gauge. The brand-new dust sensor is provided for detecting the dust concentration, the defects that traditional optical detection is far away, gas containing dust is driven by a dust draught fan to be blown to a strain gauge, and the dust content is judged according to the resistance value change of the strain gauge are abandoned, and the dust sensor can be used for a long time, does not need to be cleaned frequently and is convenient to use. The device is suitable for being used in the environment where manual cleaning is inconvenient.

A receive dress ball frock for submarine pipeline magnetic leakage detects

... 本实用新型公开了一种用于海底管道漏磁检测的收装球工装，包括防磁导球槽，所述防磁导球槽的横截面为半圆形，所述半圆形的内径与收装球的外径吻合，所述防磁导球槽固定在支撑框上，在所述支撑框上设有主支腿套筒，所述主支腿套筒套装在主支腿上，在所述主支腿上设有从上至下依次排布的多个限位孔，在所述主支腿套筒上设有定位孔，所述定位孔和所述限位孔通过定位销连接。本实用新型能够避免球体受到机械损伤，降低球体各节与球筒碰撞的几率，减少球体机械损伤，极大地提高了球体的通过性，提高了漏磁检测装球的一次到位率、一次通过率，减少了收装球时间，降低了施工强度，避免了对探头的机械损伤。 ...

Take comdenstion water to spray new fan of full heat recovery of function

... 本实用新型公开了一种带冷凝水喷淋功能的全热回收新风机，包括冷凝水喷淋系统和热回收新风机主体；热回收新风机主体包括新风管道、回风管道和全热换热芯体；冷凝水喷淋系统包括冷凝水箱和喷淋装置，冷凝水箱与制冷空调的冷凝水管连通，冷凝水箱通过循环水泵与喷淋装置连接，喷淋装置靠近新风管道的室内新风一侧，喷淋装置可对新风管道内的空气进行喷淋；回风管道设有回风风机，新风管道设有新风风机、挡水板和积水盘，积水盘设有排水管，排水管与冷凝水箱连通。本实用新型不仅可以提高全热换热芯体的传热量，通过回收利用制冷空调中冷凝水的冷量，增加了供冷量，极大程度地提高新风处理能力，降低新风负荷，提高了热回收效率。 ...

Website application security protection method and device, equipment and storage medium

The invention provides a security protection method and device for a website application, equipment and a storage medium, and the method comprises the steps: obtaining request service data sent by a user from a background log system, the request service data comprising a request header field; performing risk identification on the request service data according to the request header field, and judging whether the request service data has a behavior of bypassing a protection system; and if the behavior of bypassing the protection system exists, performing alarm interception processing on the request service data. Based on the method, whether the request service data has the behavior of bypassing the protection system or not is judged through the request header field, and the problem that a platform cannot be helped to defend malicious attacks through the WAF due to the fact that the WAF is bypassed in the prior art can be solved.

Transformer substation plugging structure for preventing condensation of switch cabinet

The invention discloses a transformer substation plugging structure for preventing condensation of a switch cabinet, and the structure comprises a first plugging wall which is disposed at a position, corresponding to the outer wall of a switch chamber, in a cable trench, a second plugging wall which is disposed at the outer side of the first plugging wall, and a plugging filler which is disposed between the first plugging wall and the second plugging wall. The first plugging wall and the second plugging wall are combined into an integrated structure through the plugging filler, and the part, penetrating through the plugging wall, of the cable is wrapped with a waterproof wrapping material. A fixed frame is installed at the position, corresponding to a gate, of an outer wall of the substation, a movable waterproof baffle is arranged on the fixed frame, a prefabricated waterproof movable box is arranged on the inner side of the gate of the substation, and a water absorption expansion bag ...

Voltage control method of resonant converter with modular rectification structure

The invention relates to a direct current-direct current electric energy transmission technology, and provides a voltage control method of a resonant converter with a modular rectification structure. The modularized multi-level direct-current converter comprises a modularized multi-level rectifying circuit, a resonance circuit, a medium-high frequency transformer and an inverter circuit. By detecting the magnitude of the output voltage, the working frequency of the modular multi-level resonant converter is adjusted in a closed-loop mode, and accurate control over the output voltage is achieved. The level of output voltage can be improved, 10kV or high-level output voltage can be obtained, the advantages of a modular multi-level circuit and a resonant converter are combined, the current and voltage stress of a device is reduced, and high-frequency conversion from low-voltage direct current to middle-high-voltage direct current in a wide working range of a system is improved. And the adopted ...

Structured light module

A structured light module disclosed by the present invention comprises a structured light projector, an infrared receiving camera and a monitoring structure, the structured light projector comprises a circuit board, a light source, a lens barrel and a collimation diffraction element, the light source is connected with the circuit board, the lens barrel forms an installation cavity, the lens barrel covers the circuit board, the light source is located in the installation cavity, the collimation diffraction element is connected with the lens barrel, and the collimation diffraction element is located in the installation cavity. The collimation diffraction element is located in the installation cavity and right faces the light source. The infrared receiving camera is connected with the circuit board. The monitoring structure is used for monitoring whether the collimation diffraction element is separated from the lens cone and whether the lens cone is separated from the circuit board. The monitoring ...

Digital human generation method and system based on AI and image synthesis technology

The invention belongs to the field of digital people, and discloses a digital people generation method and system based on AI and image synthesis technology, and the method comprises the steps: S1, obtaining a real face image P; s2, preprocessing the P to obtain a preprocessed image aP; s3, noise reduction processing is performed on the aP, after edge pixel points are obtained through edge detection, a first image oneP is formed by the edge pixel points and adjacent pixel points, meanwhile, a second image twoP is formed by the remaining pixel points, noise reduction results of the oneP and the twoP are merged, and a noise reduction image bP is obtained; S4, three-dimensional reconstruction is performed on the bP, and a three-dimensional face model is obtained; and S5, generating a digital person based on the three-dimensional face model. According to the invention, the face of the generated digital human can be more similar to the face in the real face image.

3D structured light module, assembling method and three-dimensional imaging equipment

The invention discloses a 3D structure light module, an assembling method and three-dimensional imaging equipment, and the 3D structure light module comprises a support which is provided with a first inner cavity and a second inner cavity; the projector module is arranged in the first inner cavity, the first laser light source is located on the focal plane of the collimation phase face of the optical element, the second laser light source is fixed to the conductive heightening piece and located on the virtual focal plane of the collimation phase face of the optical element, and the first laser light source and the second laser light source are connected with a control circuit. The control circuit controls the first laser light source and the second laser light source to light at intervals, so that the optical element outputs structured light and uniform infrared light at intervals; and the infrared camera module is arranged in the second inner cavity and is used for outputting uniform infrared ...

Large-scale hydroelectric generating set speed regulation control mode switching method

The invention provides a large-scale hydroelectric generating set speed regulation control mode switching method, which is realized based on a speed regulator controller, and comprises the following steps: step 1, state initialization; 2, judging whether a control handle of the speed regulator control cabinet is located at a first preset position or not, and if yes, entering step 3; otherwise, entering step 17; 3, judging whether the general circuit breaker at the outlet of the large-scale hydroelectric generating set is in a first preset state or not, and if so, respectively entering steps 5, 7, 9, 15 and 18; otherwise, entering the step 4; 4, determining that the control mode of the speed regulator is a frequency mode; step 5, judging whether a command for switching the frequency mode of the speed regulation in-situ touch screen is received or not, and if so, entering step 6; and 6, determining that the control mode of the speed regulator is a frequency mode load state, wherein the large-scale ...

Jet mixing charge device

... 本实用新型提供一种射流搅拌加药装置，包括混药槽、离心泵和储药槽；混药槽的出水口与离心泵进口相连，离心泵的排水口通过阀门分别与射流器的进水口和储药槽的转液口相连；射流器的进气口为药剂自动投加口，射流器的出水口与混药槽回流口相连；所述的混药槽内设有折流板，混药槽槽底设有排污口。本实用新型采用射流搅拌，利用射流器的特性，实现混合和自动加药，即可自动投加液体药剂也可投加固体药剂，且投加速度可控，操作便捷安全，药剂混合效果佳。本实用新型能通过机械射流提高药剂溶液温度，有利于低温环境操作。 ...

Method for judging oil mixing of switch cavity oil way of guide vane servomotor of large water-turbine generator set

A method for judging oil mixing of a switch cavity oil way of a guide vane servomotor of a large water-turbine generator set comprises the steps that 1, analog quantity and switch quantity signals including guide vane opening PID output, guide vane opening and the position state of a main distributing valve are collected in real time, and the analog quantity signals are judged to be effective; 2, when the guide vane opening command is met, the main distributing valve is in the opening position, but the opening degree of the guide vane is not changed, the step 3 is executed; otherwise, turning to the step 1; 3, when it is judged that the pressure/oil level of the hydraulic system of the speed regulator fluctuates greatly, a large pump is loaded/unloaded frequently, and the oil leakage amount is too large, the step 4 is executed; otherwise, turning to the step 1; 4, judging whether the pressure of the switch cavity of the guide vane servomotor tends to be consistent or not, and if the pressure ...

Pixel mapping method for liquid crystal panel and backlight module

The invention discloses a pixel mapping method for a liquid crystal panel and a backlight module, and belongs to the technical field of liquid crystal display. The pixel mapping method comprises the following steps: determining the number of pixels in a row of an image to be displayed, the number of pixels in a column of the image to be displayed, and the number of transverse backlight partitions and the number of longitudinal backlight partitions of a backlight module; judging whether the sum result is an integer or not, and executing respectively; rounding the result or the result to obtain or; calculating the number of row pixels which are not mapped to the backlight partition in each row in the to-be-displayed image; or calculating the number of column pixels which are not mapped to the backlight partition in each column in the to-be-displayed image; calculating the number of periods of transverse backlight partitions or the number of periods of longitudinal backlight partitions in ...

Mechanical overspeed fault shutdown judgment system for water-turbine generator set

The invention discloses a mechanical overspeed fault shutdown judgment system for a water-turbine generator set, which triggers backup mechanical overspeed protection of a water turbine through dual redundancy of a hydraulic loop state of a mechanical overspeed device and a position feedback node heterogeneous signal of the mechanical overspeed device. The protection hidden danger of a single-point mistaken outlet water turbine caused by misoperation of a feedback node of the overspeed device can be effectively avoided, and the action reliability of the overspeed protection device is not affected.

Interlayer feature compression transmission method, and compressed data decoding method and device

The invention relates to the technical field of deep learning network models, in particular to an intermediate layer feature compression transmission method and a compressed data decoding method and device, and the method comprises the steps: obtaining to-be-transmitted data; inputting to-be-transmitted data into the deep learning network model, outputting intermediate layer features of the deep learning network model, and allocating one or more quantization intervals for each channel in the intermediate layer features through an iterative calculation method and statistical characteristics of the intermediate layer features; and quantizing the intermediate layer features by using one or more quantization intervals, compressing the quantized intermediate layer features by using entropy coding to obtain compressed data, and transmitting the compressed data to cloud equipment. Therefore, the problems of relatively poor compression effect, huge workload, relatively large quantization error ...

Voltage dip location and detection device

... 本实用新型提供了种电压暂降定位与检测装置，其包括依次相连的数据采集装置、无线传感器网络、电压暂降信号检测装置。数据采集装置包括电压、电流传感器。无线传感器网络包括相连的汇聚节点设备和网关设备，各传感器与汇聚节点设备相连。该装置适应环境广泛，具备可移动性，并可对电压暂降进行定位与检测，具有较强的实用性。 ...

Hydropower station governor main distributing valve twitching fault diagnosis and early warning method

A hydropower station governor main distributing valve twitch fault diagnosis and early warning method comprises the following steps: screening collected governor historical monitoring data to obtain each state quantity associated with a main distributing twitch fault, selecting data in the middle and back periods before the twitch fault occurs to form a data matrix of which the size is [the number of state quantities at a time point], the data are used as input layer training data of the neural network; judging whether main distribution is twitched or not manually to form a data matrix with the size of [time point 1], and using the data matrix as output layer training data of the neural network; transposing the data matrix and normalizing data values in the data matrix; importing the normalized data matrix into a BP neural network for training; carrying out binarization processing on a filtering result; if the result is equal to 1, the main distributing valve is judged to be in a twitching ...

Hull bilge structure, preparation method thereof and docking block for bilge structure construction

The invention relates to a hull bilge structure, a preparation method thereof and a docking block for bilge structure construction, the hull bilge structure comprises a vertical longitudinal girder arranged at the joint of an outer plate and a hull bottom plate and an inner longitudinal wall parallel to the longitudinal girder, and the lower edge of the inner longitudinal wall is provided with an inclined bilge longitudinal girder; according to the hull bilge, the inner longitudinal wall, the longitudinal girders and the bilge longitudinal girders are arranged in the longitudinal direction of the hull in a penetrating mode, the arrangement number of transverse rib plates is reduced, the cost and the self weight of the ship are reduced, the high-strength and light-weight bilge structure type is achieved, and therefore oil consumption is reduced, the anti-rolling capacity of the ship is improved, and the comfort of the ship is improved; the device has the advantages that the device can stop ...