16results about How to "Conducive to screening" patented technology

The embodiment of the invention provides a single-channel electroencephalogram sleep analysis method and related equipment, and belongs to the technical field of electroencephalogram signal processing and sleep health monitoring. The method comprises the following steps: carrying out preprocessing and time sequence enhancement on a single-channel electroencephalogram signal; extracting local and global features by using a double-branch feature encoder; feature distribution alignment between a source domain and a target domain is realized through a double-contrast adversarial learning module in combination with cross-view time sequence contrast learning and conditional adversarial alignment; dynamically adjusting a target domain sample weight based on information gain through a learnable reweighting module so as to correct label distribution offset; and finally, high-precision sleep staging or OSAHS event detection is realized by utilizing a classifier. According to the method, the generalization ability and robustness of the model in a cross-subject scene are remarkably improved, accurate analysis can be achieved only through single-channel electroencephalogram signals, the hardware cost and the use threshold are reduced, and the method is suitable for scenes such as family sleep monitoring and telemedicine screening.

The utility model discloses a kind of limestone crushing screening devices, its structure includes box, vibration screen is installed in the top of box inside corresponding place of hopper, two matching blocks are installed corresponding in the bottom left and right ends of vibration screen, the matching block of left side is sliding fit with vibration screen, the matching block of right side is fixedly connected with vibration screen, two matching blocks are connected with supporting mechanism and are hinged fit with supporting mechanism, the supporting mechanism of left end is fixedly connected with box left side, the installation position of the supporting mechanism of right end is adjustable in vertical direction, the vertical height of right end supporting mechanism is adjusted to change the right end height of vibration screen and further change the inclination angle of vibration screen, box left end is also profiled with side chamber, side chamber has feed inlet and discharge port between box, two crushing rollers are rotatably arranged in side chamber, side chamber is provided with first guide plate, and the other end of first guide plate extends into box through discharge port, conveying belt device is arranged through the bottom of box.

The utility model relates to the technical field of metallurgy discloses a leaching machine for zinc recovery, including leaching box and the support block of fixed mounting in the bottom of leaching box near the place of four corners, the middle part department of leaching box top is fixed and is installed with the feeding pipe of penetrating, and the inner chamber of feeding pipe is fixed and installed with the screening board near the middle part department, through the intercoordination between these components of gear ring, movable gear, rotation rod, swing rod, knock ball, L-shaped board, bearing plate, drive motor, carousel, connecting rod, sliding block, transmission rack plate and transmission gear, can drive the knock ball of four sides of feeding pipe to and fro swing, namely can continuously knock to feeding pipe, makes it produce vibration to the efficiency of screening board screening can be accelerated, and the screening effect is better, solves only through the screening of screening board and influences the efficiency of screening.

This invention belongs to the field of fetoglobulin B detection technology, and discloses an immunochromatographic test strip for quantitative detection of fetoglobulin B using quantum dot fluorescent microspheres and its preparation method. The immunochromatographic test strip of this invention includes a sample pad, a release pad, and a nitrocellulose membrane; the release pad is coated with a fetoglobulin B monoclonal antibody labeled with quantum dot fluorescent microspheres and a mouse IgG antibody labeled with quantum dot fluorescent microspheres; the nitrocellulose membrane has a detection line and a control line, the detection line is coated with fetoglobulin B monoclonal antibody, and the control line is coated with goat anti-mouse IgG antibody. The immunochromatographic test strip of this invention reduces the detection time to 9-12 minutes, and the total detection time is only 20 minutes, achieving rapid and accurate quantitative detection of fetoglobulin B. It also features high detection sensitivity, a wide detection range, and simple and rapid operation, which is beneficial for the screening and monitoring of atherosclerotic coronary heart disease.

This utility model relates to the field of rice packaging and transfer technology, and discloses a transfer device for packaging organic rice. It includes a base, four support rods fixedly connected to the top of the base, a bracket fixedly connected to the top of the base near the rear, a control sensor fixedly connected to the top of the bracket, an adsorption plate fixedly connected to the bottom of the bracket, and a filter box fixedly connected to the top of the base near the right side. Square grooves are provided on both sides of the filter box, and a cover plate is movably connected to the top of the filter box. When the conveyor motor is turned on, the main gear connected to it rotates under the movable connection of the bearing. This, in turn, meshes with the toothed conveyor belt and the secondary gear, causing the toothed conveyor belt to rotate and transport the organic rice. Under the action of the control sensor, the adsorption plate is activated to adsorb iron impurities in the organic rice transported on the toothed conveyor belt, which is beneficial for further screening out impurities in the organic rice.

The utility model discloses an inductor surface defect detection device, which relates to the technical field of inductor surface defect detection and comprises a mounting component, the mounting component comprises a bottom plate, side plates are fixedly mounted on two sides of the bottom plate, and a top plate is fixedly mounted at the tops of the side plates. A rotating assembly is fixedly mounted in the middle of the top end of the bottom plate, a mounting hole is formed in one side of the top plate, two universal joint assemblies are fixedly mounted in the mounting hole, camera assemblies are fixedly mounted on one side of the bottom of the rotating assembly and the bottoms of the universal joint assemblies, and each camera assembly comprises a camera. An annular light supplementing lamp is fixedly installed on the outer side of the camera, the light emitting direction of the annular light supplementing lamp is consistent with the camera shooting direction of the camera, and a control panel is fixedly installed on the top of one end of the top plate. According to the utility model, the illumination can uniformly cover the detection station, the detection error caused by non-uniform light distribution of the traditional detection device is avoided, and the practical value is higher.

This utility model discloses a heat treatment device for processing high-toughness spring steel wire, including a lead bath. A screen is horizontally arranged inside the lead bath. A lead water pump is fixedly connected to one side of the outer wall of the lead bath. A sealing door is provided on one side of the outer wall of the lead bath. A quenching tank is fixedly connected inside the lead bath. Two filter screens are fixedly connected to the bottom of the quenching tank. A circulation pipe corresponding to the lead water pump is fixedly connected to one side of the outer wall of the quenching tank. A bracket is provided inside the quenching tank. Positioning columns are fixedly connected to both ends of the bottom of the bracket. Rollers are provided inside the bracket. This utility model, through the cooperation of the lead bath, lead water pump, quenching tank, filter screen, and screen, facilitates the filtration and removal of slag in the lead liquid. This reduces the impurity content during continuous quenching, improving the lead bath quenching quality of the steel wire and eliminating the need for frequent slag removal by workers, thus increasing the quenching efficiency of steel wire processing.

The utility model discloses a kind of screening devices of tungsten molybdenum powder production convenient cleaning, including box, material duct and material box and matching mouth are distributed through, the rear side edge of the box is equipped with connecting hinge, and the other side of connecting hinge is installed with maintenance cover plate, the other side of maintenance cover plate rear side is installed with locking knob, the lower end of the front side of the box is fixedly connected with ramp. This kind of screening device of tungsten molybdenum powder production convenient cleaning can be double set stable feeding by material duct and auger, and can be adapted to close by closing cover and matching mouth, avoid dust raising, and can be completely matched sweep by brush and second rotating motor to screen mesh, screening effect is better, and screen mesh is independently pulled out and disassembled by positioning pull-out slot, positioning pull-out block, impurity is cleaned conveniently, and maintenance cover plate can be opened as a whole by connecting hinge, it is convenient to clean and use inner wall, more use.

This utility model discloses an integrated hydraulic mechanical device for desanding and desliming, relating to the field of cyclone desanding and desliming equipment. A cyclone separator body is mounted on one side of the frame, with a tangential hydraulic feed inlet at the top. The cyclone separator body has a driven pulley; its rotation drives the lower conical tube to rotate. An adjustable mounting plate is slidably connected to the frame and secured with bolts. An adjusting screw is located on the side of the adjustable mounting plate away from the cyclone separator body, connected to the end of the frame via an adjusting nut. A drive motor is fixed to the bottom surface of the adjustable mounting plate, with its power output shaft passing upwards through the plate. A drive pulley is located above the adjustable mounting plate and securely connected to the drive motor's power output shaft. A transmission belt is fitted onto both the drive and driven pulleys. This utility model improves separation efficiency and adaptability to variable flow conditions while reducing the requirements for feed pressure.

The utility model belongs to the technical field of screening, and particularly relates to a concrete machine-made sand grain type screening auxiliary device which comprises a machine frame and a screening barrel, the screening barrel is arranged on the machine frame in a rotating and sealing mode, the machine frame is further provided with a transmission assembly connected with the screening barrel, and an auxiliary mechanism is arranged in the screening barrel. The rack comprises supporting frames and a mounting frame, the two supporting frames are rotationally connected with the two ends of the screening barrel in a sealed mode respectively, the mounting frame coincides with the axis of the screening barrel and is connected with the two supporting frames, and the multiple auxiliary mechanisms are evenly distributed on the mounting frame. According to the sand screening device, more sand grains can be screened more effectively when the sand grains are screened, on one hand, the situation that screening is insufficient due to the fact that more sand grains are wrapped is avoided, on the other hand, the sand grains with the single grain size can be screened in a targeted mode through a blocking mode, and meanwhile continuous screening can be conducted in the corresponding separated space; and the screening effect is better.

The application relates to the field of satellite navigation high-precision positioning technology and discloses a high-precision positioning target range command method and system facing launch resource scheduling. The method acquires satellite navigation observation data, differential correction data, launch task data, launch resource data and target range electronic boundary data, carries out high-precision positioning calculation to generate a positioning credible record, and configures a coordinate version identifier; generates a positioning safety envelope and a positioning effective time window according to the positioning credible record, constructs a positioning constraint resource graph, selects a resource node combination without constraint edge conflict to generate a command scheduling scheme, and outputs a command execution instruction carrying the coordinate version identifier and the instruction effective time window; when a preset degradation event occurs, the positioning safety envelope and the positioning constraint resource graph are reestablished, and the command scheduling scheme is updated.

This utility model relates to the technical field of screening equipment, specifically to a screening device for preparing BPDA catalyst carriers. A feeding hopper is located at the top of the screening box, and a horizontally placed rotating drum is located below the feeding hopper inside the screening box. A magnetic material is installed inside the rotating drum to adsorb and remove ferromagnetic particles. A horizontally placed rotating roller is located below the first waste plate inside the screening box, and a screen plate is fixedly installed below the rotating roller. Material flowing down one side of the rotating drum falls onto the screen plate via a discharge plate for downward screening. The rotating roller drives a scraper to rotate, which scrapes the material sequentially along the screen plate and the abrasive plate. Part of the material scraped onto the abrasive plate is further crushed and ground by the scraper and abrasive particles before flowing down to the screen plate for screening. The remaining large particles are pushed by the scraper until they fall down along the second waste plate and are discharged, achieving a better screening effect.

This invention discloses a device for restoring the functionality of waste cat litter, comprising a drying chamber, a pyrolysis chamber, and a collection box arranged sequentially from top to bottom. The drying chamber has a feed inlet with a screen inside. The drying chamber and the pyrolysis chamber are connected by a connecting pipe. The pyrolysis chamber contains a pyrolysis furnace. The collection box has a sieve plate below the lower outlet of the pyrolysis chamber, and a waste box below the sieve plate. The end of the sieve plate away from the lower outlet of the pyrolysis chamber slopes downwards. Pre-treated cat litter is poured into the drying chamber through the feed inlet for drying, and then enters the pyrolysis chamber for further pyrolysis of cat excrement mixed in with the litter. The pyrolysis products fall onto the sieve plate in the collection box, where the powdery waste is sieved into the waste box by natural sliding. The pyrolyzed cat litter particles slide from the sieve plate into the collection box, resulting in functionally restored cat litter. This cat litter is clean, sterile, and odorless. After flavoring and cooling, it can be used directly as a new product. This device reduces resource waste, lessens the environmental burden, and has broad market prospects.

The application discloses an antibody or antigen binding fragment thereof against CK17, an antibody conjugate, a nucleic acid, a vector, a cell and application thereof, and relates to the technical field of antibody preparation.The antibody or antigen binding fragment thereof against CK17 provided by the application has good binding activity and affinity to CK17 protein, so that a detection product based on the CK17 protein marker can be developed, such as a detection reagent, a kit or a chip. The sensitivity and specificity of detection can be improved by using the antibody or antigen binding fragment thereof against CK17 to detect CK17. The antibody or antigen binding fragment thereof against CK17 can be used for early warning, diagnosis, efficacy evaluation and prognosis of diseases taking the CK17 protein as a marker. The application provides more protein selection for detection of the CK17 protein, early warning, diagnosis, efficacy evaluation and prognosis of epithelial tumors and skin diseases.

The application provides a device control method and system based on visual recognition and network authentication, collects and analyzes internal environment images of a workshop site, obtains running state information of all robot devices inside the workshop site, and performs real-time visual motion recognition on the robot devices; further based on the motion state information, the robot devices that have motion abnormal events are identified, and the network communication channels currently accessed by the robot devices are determined, so as to facilitate comprehensive screening of motion control instructions for the robot devices; the motion control instruction receiving logs of the robot devices that have motion abnormal events are further analyzed, abnormal motion control instructions received by the robot devices are identified, accurate and comprehensive identification of motion control instructions for the robot devices is realized, and based on the abnormal motion control instructions, motion control correction processing is performed on the robot devices, so as to ensure the motion control accuracy, motion safety and reliability of the robot devices.