43results about How to "Quick screening" patented technology

The invention discloses a children autism risk assessment method and system based on multi-modal collaborative reasoning and a vertical domain large model, and the method comprises the steps: collecting the audio data of a to-be-assessed child and a parent in a parent-child interaction link, and collecting the video data through collection equipment; analyzing and marking the collected audio data, and generating a sounding record and a transcription text with a timestamp; performing real-time analysis and labeling on the collected video data, and generating sight line, expression and action recognition records with timestamps; performing independent analysis on the preprocessed multi-modal data, performing feature fusion and collaborative analysis on the multi-modal data such as audio, text and video by using a multi-modal collaborative reasoning method, and generating a scientific data index for autism risk assessment; training a vertical domain large model special for autism risk assessment; and inputting the generated data indexes into a vertical domain large model, and outputting targeted assessment suggestions by the large model in combination with daily information of the children to be assessed obtained by interviews and conversations with parents.

The invention discloses a swelling microneedle patch and a preparation method thereof. The swelling microneedle patch comprises a backing and a swelling microneedle array adhered to the backing, the swelling microneedle array comprises a plurality of microneedles; the microneedle is in the shape of a cone or a rectangular pyramid; the height of the microneedle is 100 to 1000 [mu] m; the diameter of the tip end of the microneedle is 5-30 microns; the diameter of the bottom of the microneedle is 50-500 [mu] m; and the center-to-center distance between every two adjacent microneedles is 50-2000 microns. The swelling microneedle patch provided by the invention can overcome the barrier action of cuticle to penetrate subcutaneously and absorb subcutaneous tissue interstitial fluid, and is simple in preparation process, low in cost and high in universality. The patch is combined with a colloidal gold lateral chromatography test strip, so that the limitations that in-vitro diagnosis of infectious diseases depends on a blood sample, professional medical personnel are needed for operation, the subject compliance is poor and the like can be solved, and the patch is suitable for rapid screening and diagnosis of the infectious diseases.

The utility model discloses a sand screening device for building construction, and relates to the technical field of sand screening for building construction, the sand screening device comprises a device main body and a sand screening mechanism, the sand screening mechanism is arranged on the inner side of the device main body, and by arranging the sand screening mechanism, the telescopic length of a hydraulic lifting rod is adjusted, so that the position of a sand throwing plate is conveniently changed according to the sand amount; sand in the sand storage tank is thrown to the sand screening net through the sand throwing plate, the sand is more dispersed and uniform in the falling process through throwing, when the sand is thrown up through the sand throwing plate, the mass stress of large-particle broken stones mixed in the sand is larger, and therefore the large-particle broken stones are thrown farther than the sand, the large-particle broken stones fall into the collecting bin, and the collecting efficiency is improved. And meanwhile, the sand blocking fan blows air inwards, so that the sand is subjected to outward wind resistance, a large amount of sand is prevented from being thrown into the collecting bin, the sand screening effect is ensured, broken stones entering the collecting bin are screened through the sand filtering screen, and normal sand entering the collecting bin can fall into the sand outlet so as to be taken and used together.

The utility model relates to the technical field of straw cutting-off, in particular to an agricultural harvesting straw cutting-off machine which comprises a cutting-off box. The device further comprises a hole plate and a crushing roller, a cutting-off box is fixedly connected, a cutting-off roller is rotationally connected into the cutting-off box, and a long blade is fixedly connected to the outer side of the cutting-off roller through a fixing block. Through the use of the long blade and the crushing roller, the controller controls the cutting air cylinder to drive the cutter to primarily cut moving straw, the cutting length can be flexibly adjusted, the single cutting load is reduced, the abrasion to the cutter is reduced, the primarily cut straw falls into the cutting box, the cutting roller rotates to drive the long blade to rotate, and the straw can be cut into the straw. The two crushing rollers rotate relatively, the straw is uniformly crushed into fine particles, the overall treatment efficiency of the straw is improved through three-stage cutting, the diversified market requirements are met, and the production efficiency is improved.

This invention discloses a stator assembly magnetic tile anti-tipping mechanism, belonging to the field of motor assembly technology. It includes a frame, and further comprises: an adhesive application mechanism, a magnetic tile assembly mechanism, a magnetic tile clamp installation mechanism, and a feeding mechanism. The leftmost side of the frame is equipped with an adhesive application mechanism for applying adhesive to the inner wall of the motor housing. The middle left side of the frame is equipped with a magnetic tile assembly mechanism for inserting the magnetic tiles into the motor housing. The middle right side of the frame is equipped with two magnetic tile clamp installation mechanisms for inserting magnetic tile clamps into the motor housing. The rightmost side of the frame is equipped with a feeding mechanism for inspecting and unloading the assembled product. The magnetic tile assembly mechanism includes: a magnetic tile pressing component, a feeding component, and a magnetic tile anti-tipping component. The magnetic tile pressing component is installed on the middle left side of the frame, and the feeding component is installed on the front side of the frame. Through this method, the invention can prevent the magnetic tiles from tipping over during the installation of the motor housing, while also enabling the recycling of the positioning core assembly.

The application discloses a domain name resolution method and device based on domain name request risk management and control, the method comprises the following steps: identifying domain name requests as normal domain name requests or abnormal domain name requests; according to the user domain name access behavior data set and the abnormal domain name association strength, evaluating the security rating and the security score of the user; sending the normal domain name requests initiated by users with different security ratings to the DNS server subset cluster corresponding to their levels, so that the DNS server subset cluster of the level responds to the normal domain name requests in order based on the security score; predicting the normal domain names with high probability of access to form a domain name resource list, which is used to cache the domain name resource list to the selected DNS server when the security rating of the user is higher than the set threshold, so as to improve the domain name resolution cache hit rate and the resolution efficiency. The application solves the problem of reduced performance of the domain name server caused by the low utilization rate of the conventional DNS server due to the zombie network attack.

This invention discloses an industrial control board testing device, comprising: an insulated box with an inlet and a second conveyor belt; a first conveyor belt disposed on the outer side of the second conveyor belt away from the insulated box; a testing unit disposed above the feeding section of the first conveyor belt; a cylinder mounted on the side of the first conveyor belt opposite to a transition plate; a strip-shaped baffle disposed on the side of the second conveyor belt opposite to the transition plate; a first guide plate and a second guide plate disposed on the side of the strip-shaped baffle opposite to the first conveyor belt and above the second conveyor belt; and a guide portion formed at the other end of the second guide plate that is inclined toward the second conveyor belt opposite to the first guide plate. This invention can quickly screen out defective products based on the test results through the cooperation between the testing unit and the cylinder, and can also achieve stable connection and high-precision transport of good products, facilitating the direct feeding of good products into the insulated box for high and low temperature testing, thus improving testing efficiency.

The invention provides a high-flux monosaccharide separation and quantification method and kit based on gel electrophoresis. The separation and quantification method comprises the following steps: (1) providing a fluorescence-labeled monosaccharide sample to be detected; (2) injecting the monosaccharide sample to be detected into a capillary electrophoresis system, and performing first electrophoretic separation under a first separation system to obtain a first electrophoretogram; the first separation system comprises borate-free first separation gel and a first buffer solution; (3) cleaning a capillary tube of the capillary electrophoresis system, injecting the monosaccharide sample to be detected into the capillary tube again, and performing electrophoretic separation for the second time in a second separation system to obtain a second electrophoretogram; the second separation system comprises second separation gel containing borate and a second buffer solution; and (4) carrying out qualitative identification and quantitative calculation on the mixed monosaccharide according to the migration time difference and peak overlapping condition of each monosaccharide component in the first electrophoretogram and the second electrophoretogram.

The application discloses a kind of cultivation of smell and headspace analysis combination's odd nan hand string nondestructive identification method, it is related to precious timber true and false identification and quality detection technical field, including following step A: sample pool data model establishment: a1, sample selection: collect the cultivation of different producing areas, gram weight, shape and size odd nan hand string genuine sample not less than 200;Collect by high pressure injection paste, press oil, bubble medicine, high throwing, immersion paste smearing and non-lignum aquilariae imitated fake sample not less than 200;A2, electronic nose data acquisition: using electronic nose to the sample carries out smell data acquisition, acquisition condition includes;By being provided with electronic nose data acquisition and key sensor screening, the whole identification process does not need to be destructively treated to sample any cutting, grinding etc., completely maintain the integrity and value of hand string, and electronic nose detection can be completed within 1 hour, headspace mass spectrum analysis as supplementary means can be completed within 3 hours, improve detection efficiency.

This disclosure relates to the field of image processing technology, and provides an image deduplication method and apparatus for equipment security inspection. The method includes: acquiring a group of images to be deduplicated, the group comprising multiple pairs of images to be deduplicated; extracting spatial feature vectors for each pair of images in the group of images to be deduplicated based on a preset Siamese network model; calculating a similarity value between the spatial feature vectors of each pair of images in the group of images to be deduplicated; extracting color data feature vectors of images in each pair of images to be deduplicated based on the similarity value and a preset image threshold; and determining whether duplicate image pairs exist in the group of images to be deduplicated based on the color data feature vectors. This disclosure can quickly and in real-time find and filter out duplicate images taken at the same angle in the same scene, saving time and effort, increasing work efficiency, and improving the efficiency of subsequent equipment security inspection.

The utility model relates to the technical field of rotary calcination, in particular to an automatic discharging calcination device which comprises a heating shell, a calcination pipe is rotatably connected in the heating shell, a conveying plate is fixedly connected in the calcination pipe, and a discharging plate is fixedly connected to the position, close to the bottom, of one side of the heating shell. The device has the advantages that when the calcining pipe in the heating shell rotates, the stirring block is driven to stir the filter plate, the filter plate can press the spring downwards, the spring stretches out and draws back, and therefore the filter plate can conduct screening, the filtering effect is improved, and the heating efficiency is improved. According to the material screening device, materials at the conveying position of the calcining pipe are screened, large materials slide down along the inclined face, the effect of rapidly screening the materials is achieved, the problem that secondary screening needs to be conducted on the materials after single calcining pipe discharging is conducted is solved, and the working efficiency is improved.

The present disclosure provides an object distribution map generation method and device, electronic equipment and storage medium. The method comprises: obtaining operation feedback data, and generating a heterogeneous graph according to the operation feedback data; obtaining an object isomorphism graph according to the object nodes of a plurality of operation objects in the heterogeneous graph; performing graph pooling processing on the object isomorphism graph based on the embedding features of each object node, to determine a plurality of target object nodes from the plurality of object nodes in the object isomorphism graph, and generate an object distribution map corresponding to the target object nodes. The method can quickly screen out operation objects with low activity, so that computer resources can be saved when generating an object distribution map; and the target object nodes with high activity can be more accurately determined from the plurality of object nodes, so that the generated object distribution map is more accurate.

The utility model discloses a catalyst conductivity testing device, which comprises a testing clamp, an electric heater, a humidifier, a temperature sensor and a humidity sensor, and is characterized in that the testing clamp consists of a first runner plate and a second runner plate; a catalyst film needing to be detected is fixed between the first flow channel plate and the second flow channel plate in a threaded connection mode, the surfaces, making contact with the catalyst film, of the first flow channel plate and the second flow channel plate are inner surfaces, and the other surfaces of the first flow channel plate and the second flow channel plate are outer surfaces; the electric heater is arranged on the outer surfaces of the first runner plate and the second runner plate and is used for heating the test fixture; a moisture outlet of the humidifier is communicated with an air inlet in the clamp through an air path, and the humidifier is used for outputting moisture into the clamp; the temperature sensors are arranged in temperature detection holes in the first flow channel plate and the second flow channel plate and used for monitoring the temperature in real time, and the humidity sensors are arranged in the air channels and used for monitoring the humidity in real time.

This invention discloses a method for locating stormwater and sewage mixing points and identifying pollution sources in drainage pipe networks based on particle swarm optimization (PSO) algorithm, belonging to the field of drainage pipe network monitoring and diagnosis technology. The method includes: acquiring basic data of the drainage pipe network and constructing a SWMM hydraulic and water quality model; deploying monitoring points to acquire real-time monitoring data; determining the range of pollution source parameters; initializing the particle swarm using the PSO algorithm and updating the model parameters; calling SWMM for simulation calculations; calculating the fitness value based on the objective function and updating the extreme values; checking the termination condition and outputting the optimal solution. This invention achieves multi-condition adaptive identification through the organic combination of the PSO algorithm and the SWMM model, effectively solving the problems of low positioning accuracy and poor computational efficiency in complex pipe networks using traditional methods. It has outstanding advantages such as high positioning accuracy, strong adaptability, and excellent computational efficiency, providing an effective technical means for the treatment of stormwater and sewage mixing in urban drainage pipe networks.

The utility model relates to a sorting mechanism, belongs to the technical field of husking machines, in particular to a sorting mechanism of a corn husking machine, which comprises a husking machine body, a mounting seat is arranged on one side of the husking machine body close to a feed opening, a feed plate is fixedly mounted at one end of the mounting seat, and the sorting mechanism further comprises a sorting component. The corn husking and sorting device achieves the effect of quickly and excellently sorting husked corn, and solves the problems that although the husked corn can be sorted in the prior art, the husked corn can be sorted only according to the size of the corn, poor-development defective products cannot be effectively screened, and the sorting efficiency is high. Therefore, the problem of the prior art is solved.

The present application belongs to the technical field of airtightness detection of sealed containers, and particularly relates to a sealed container vacuum pressure detection device, which comprises an operation box and a conveying line arranged on one side of the operation box and used for outputting sealed containers; further comprising: a height adjusting mechanism arranged on one side of the operation box and used for driving the detection mechanism to move up and down; a cross beam frame, one end of which is connected with the height adjusting mechanism and the other end of which is connected with a protective cover located above the conveying line; a detection mechanism arranged in the protective cover and electrically connected with the operation box through a conductive wire; the detection mechanism comprises a scanning probe and a vacuum probe arranged in the protective cover; photoelectric sensors are arranged on both sides of the vacuum probe; the detection device adopts a non-contact online detection mode to realize integrated rapid detection of the shape defects of the iron cover of the sealed container and the vacuum degree in the container, so that the defective sealed containers with air leakage, deformation and sealing failure can be quickly and accurately screened out.

The invention provides a method for detecting heavy metals in soil, and relates to the field of heavy metal detection. The method for detecting the heavy metals in the soil comprises the following steps: preparing a composite detection electrode, establishing a standard curve, and detecting a sample. The preparation of the composite detection electrode comprises the following steps: preparation of cerium-doped nickel-based metal cluster composite graphene, functional modification and electrode modification. The method for detecting the heavy metals in the soil aims at hexavalent chromium in the soil, does not need to depend on a large precise instrument, is high in detection sensitivity, strong in anti-interference capability, good in stability, simple and convenient to operate and rapid in detection, and can meet the timeliness requirement of rapid screening or emergency monitoring of large-batch samples.

The present application relates to the field of fiber composite material strength detection, and more particularly to a road repair fiber composite material strength intelligent testing system, which is characterized by a feature extraction module for obtaining performance data of the fiber composite material to extract corresponding material mixing features; a suitable analysis module for analyzing the quality suitable representation value of the fiber composite material based on the material mixing features to classify the quality suitable categories of the fiber composite material; a selection and calling module for selecting and calling a quality evaluation module or a material labeling module according to the quality suitable categories; the quality evaluation module for evaluating and analyzing the strength quality of the fiber composite material; and the material labeling module for labeling the fiber composite material and performing secondary stirring and dispersion processing. The system realizes efficient, accurate and automatic detection of the strength of the road repair fiber composite material, significantly improves the detection efficiency and quality determination reliability, and reduces the cost of invalid testing and material waste.

This invention belongs to the field of microbial detection technology, specifically relating to a kit for detecting and / or identifying drug-resistant enterococci and its application. The kit includes primer pairs as shown in SEQ ID NO.3 and SEQ ID NO.4. Based on the kit, this invention establishes an oxazolidinone resistance gene. oprA The RAA-agarose gel electrophoresis assay can complete amplification within 15 minutes under isothermal conditions at 35°C and exhibits high specificity. The detection limit of this method is 10. 1 With a detection limit of copies / μL, two orders of magnitude lower than that of PCR, and 100-fold higher sensitivity, this invention provides a new option for rapid and visualized detection of drug-resistant enterococci, suitable for clinical practice; it also provides a new method for detecting oxazolidinone resistance genes. oprA It provides a convenient tool for rapid screening, diagnosis and monitoring, and has good application prospects.

The invention relates to the technical field of metal organic framework materials, and particularly discloses a metal organic framework material for detecting glyphosate as well as a preparation method and application of the metal organic framework material. The prepared metal organic framework material is simple in raw material and simple and convenient to synthesize, glyphosate can be detected in a fluorescence-colorimetric dual mode, environmental interference caused by single fluorescence detection is avoided through complementary detection, the fluorescence mode detection limit of the metal organic framework material is 600 nM, the colorimetric mode detection limit of the metal organic framework material is 100 nM, and the detection requirement for trace glyphosate residues in agricultural products is met. The invention further provides a glyphosate detection means based on the paper-based sensor, the metal organic framework material is loaded on the surface of the paper-based sensor, after a sample is dropwise added, color or fluorescence changes can be observed for 15 min under natural light or an ultraviolet lamp, on-site preliminary rapid screening and judgment of glyphosate residues can be achieved without complex instruments, and the method is simple and convenient to operate. And the application scene of the technology is greatly expanded.

The utility model provides a grain filtering device. The grain filtering device comprises a support, a funnel assembly arranged on the upper portion of the support, a filtering assembly arranged at the outlet end of the funnel assembly, a collecting box which covers one side of the filtering assembly and is provided with a cavity, and an air supply assembly arranged on the other side of the filtering assembly. The support is further connected with a first driving part, a crank is arranged between the first driving part and the filtering assembly, and the first driving part drives the filtering assembly to eccentrically rotate along the power output shaft of the filtering assembly. The filtering assembly comprises a cover body with a plurality of screen holes and a plurality of layers of screen cloth arranged in the cover body. The aperture of the screen holes is smaller than the shape of grains, and the aperture of the multi-layer screen is sequentially reduced from top to bottom. When raw materials enter the cover body through the funnel assembly, the air supply assembly supplies air to the raw materials, and part of impurities in the raw materials are blown into the collecting box. According to the grain filtering device disclosed by the utility model, finished grains subjected to multi-layer screening are positioned at the bottom of the cover body, so that the screening efficiency is improved, and the quality of the filtered and screened grains is ensured.

This utility model relates to the field of grinding technology, and in particular to a drug powder screening device, including a screen installed in the main discharge chamber of a grinder, and a pushing structure with a pushing plate that can reciprocate on the screen. The pushing structure of this utility model includes: a screen installed on the body of the grinder, a slide rail, a pushing plate supported by the slide rail and capable of sliding on the slide rail, a reciprocating rod with one end fixedly connected to the pushing plate and the other end extending out of the body, a limiting plate installed on the reciprocating rod, a rack fixedly connected to the reciprocating rod, and a gear meshing with the rack. The limiting plate is connected to the body by a limiting structure. The gear can be controlled to rotate by a motor. When the pushing plate reciprocates, it can push unqualified drug particles into the spare discharge chamber. This utility model can avoid excessive accumulation of drugs on the screen by the pushing plate, thereby ensuring the screening efficiency of the screen.

This application discloses a feeding device for a vertical tapping machine, relating to the field of hardware manufacturing technology. It includes a base, with a mounting platform fixedly connected to the center of the base. A turntable is mounted on the mounting platform, a tapping mechanism is fixedly connected to one side of the top of the mounting platform, and a hole-expanding mechanism is fixedly connected to the other side of the top of the mounting platform. When the feeding assembly moves the processed workpiece, causing it to fall into the discharge tray, an ultrasonic sensor monitors the workpiece in real time. If the workpiece is qualified, it is guided into a collection box through the discharge tray. If the workpiece is found to be unqualified, the internal components of the screening component extend through the operation of the screening component, thereby receiving the unqualified workpiece and conveying it to the defective product box. This allows for rapid screening of the produced workpieces, quickly removing unqualified workpieces and improving the quality of the finished product.

The invention provides a determination method for rapid screening of plastic part color masterbatch carcinogenic dyes, and the determination method for rapid screening of plastic part color masterbatch carcinogenic dyes comprises the following steps: crushing a plastic sample, adding the crushed plastic sample into dichloromethane, carrying out swelling and decoloration, and carrying out ultrasonic extraction to obtain a swelling mixed solution; adding methylbenzene into the swelled mixed solution to swell and decolor, and performing ultrasonic extraction and concentration to obtain a concentrated extract; adding the concentrated extract into a methanol precipitator, and separating to obtain a precipitate mixed solution; and eluting the precipitate mixed solution through an activated alumina small column, drying, and re-dissolving in methanol to obtain a to-be-detected solution, and analyzing by using a liquid chromatograph-mass spectrometer. Dye molecules are selectively released through step-by-step swelling of dichloromethane and toluene, so that the extraction effect of the color masterbatch dye in the plastic is improved; through combination of step-by-step solvent synergistic swelling extraction and multi-stage purification, drying of polymer dissolved impurities is avoided, and efficient and accurate extraction and determination of the plastic color masterbatch dye are realized.

The invention belongs to the technical field of analytical chemistry, and particularly relates to a vinyl chloride product produced by an ethylene method and a trace impurity detection method. According to the method disclosed by the invention, a vinyl chloride liquid sample is instantly and completely vaporized and integrally transferred to a gas chromatograph through flash evaporation sample injection, so that the liquid vinyl chloride sample is completely vaporized and integrally transferred; liquid vinyl chloride is subjected to flash evaporation and then enters a gas chromatography 1mL sample injection six-way valve, volume quantification is ensured, vinyl chloride and impurities are effectively separated through the separation effect of a gas chromatography column, only 1-3 characteristic ions of target impurities are monitored in an SIM mode through the advantages of high sensitivity and low detection limit of a quadrupole mass spectrometry detector, interference of other ions in a matrix is eliminated, and the detection accuracy of the target impurities is improved. The detection method has the advantages that the signal-to-noise ratio is greatly increased, high-sensitivity and high-selectivity quantitative analysis on trace and even trace (g / g level and even lower) impurities in vinyl chloride is realized, rapid screening of vinyl chloride products and identification of process abnormality are realized, and the detection method has universality.

This application provides a detection circuit and impedance detection method. The detection circuit includes a first resistor, a first capacitor, and a processor. A first end of the first resistor is electrically connected to a first end of the first capacitor, and a second end of the first resistor and the second end of the first capacitor are connected to a reference ground. The first end of the first capacitor is connected to the pin to be tested. The processor detects the electrical parameters of the pin to be tested, determines the discharge time of the first capacitor based on the change of the electrical parameters from a first value to a second value, and determines the state of the pin to be tested based on a comparison between the discharge time and a preset time threshold. This allows for the determination of the discharge time of the first capacitor through the electrical parameters of the pin to be tested, and thus the rapid determination of the state of the pin to be tested through the discharge time of the first capacitor. This achieves rapid screening for foreign objects on the pin to be tested, shortening the detection time.

The invention belongs to the technical field of sandstone-type uranium ore prospecting, and particularly relates to a sandstone-type uranium ore prospecting area prediction method based on U content statistics. The method comprises the following steps: 1, collecting and sorting previous and early-stage regional geological survey, uranium ore geological survey and uranium ore drilling data, and carrying out uranium prospecting target horizon optimization; 2, performing lithology-geochemical type division on uranium prospecting target layer sand-conglomerate according to characteristics such as metagenetic alteration; 3, counting U contents of the whole area and each lithology-geochemical type sand-conglomerate, and respectively drawing a U content cumulative probability curve graph; 4, performing comparative analysis on each lithology-geochemical type sand-conglomerate and the U content cumulative probability curve of the whole area, and dividing uranium emigration and migration types; 5, determining the lower limit of U abnormity of U immigration and emigration-immigration type sand-conglomerate; and 6, predicting a uranium metallogenic prospective area according to U immigration type sand-conglomerate abnormal sample distribution and regional uranium mineralization information.

The application provides a cleaning device for slag tank production and processing, which comprises a base, the top of the base is provided with a shell, one end of the top of the shell is provided with a feeding hopper, two scattering shafts are rotationally arranged on the inner top of one end of the shell in a symmetrical manner, the scattering shafts are located below the feeding hopper, and the outer wall of the scattering shaft is provided with a plurality of scattering rods. The device is provided with a three-way spraying system of feeding precooling, scattering cooling and crushing dust suppression. The high-temperature waste slag is sprayed and cooled from the beginning of feeding, and the whole process is continuously water-cooled, so that the temperature of the slag tank waste slag can be quickly reduced, the equipment components are prevented from being damaged by high temperature, the subsequent grinding and recovery are prevented from being affected, the high-temperature waste slag can directly enter the cleaning process without waiting for natural cooling, and the treatment efficiency is greatly improved.