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38results about How to "Will not affect the detection effect" patented technology

Method for detecting crowded people flow in real time based on three-dimensional depth map data

InactiveCN104835147AReduce mutual occlusionLess occlusion phenomenonImage analysisVideo monitoringComputation complexity
The invention relates to a method for detecting a crowded people flow in real time based on three-dimensional depth map data. The method comprises the following steps: acquiring three-dimensional depth map data by using a camera; acquiring preliminary head targets by using foreground extraction and head target area detection; tracking pedestrians and recording the movement loci; and determining the number of the pedestrians and moving direction according to the movement loci. The method performs image processing on a three-dimensional depth map, effectively solves a defect of false detection in two-dimensional image data processing, improves the accuracy of people flow statistics, reduces computation complexity, may detect people flow in real time, and is suitable for intelligent video monitoring field.
Owner:SHANGHAI INST OF MICROSYSTEM & INFORMATION TECH CHINESE ACAD OF SCI

Intensive pedestrian flow rate real-time detection method based on color feature

The invention relates to an intensive pedestrian flow rate real-time detection method based on the color feature. The intensive pedestrian flow rate real-time detection method based on the color feature comprises the following steps: carrying out cluster characteristic analysis on collected hair color picture samples, carrying out preprocessing of distortion correction on videos, carrying out binaryzation according to the color feature, extracting movement foreground according to difference of backgrounds, mixing a binaryzation result and a foreground picture, obtaining an area of heads of pedestrians by analyzing, tracking the pedestrians, recording tracks of the pedestrians, and judging the number of the pedestrians and movement directions according to track information. The intensive pedestrian flow rate real-time detection method based on the color feature can effectively solve the problems of interference of background colors and difficult cutting of foreground of moving targets, is low in computation complexity, can detect the pedestrian flow rate in real time, and is suitable for the field of monitoring of intelligent videos.
Owner:SHANGHAI INST OF MICROSYSTEM & INFORMATION TECH CHINESE ACAD OF SCI

Printed matter defect detection method and device based on artifact elimination

The invention discloses a printed matter defect detection method and device based on artifact elimination. The method comprises steps of image positioning and registration, carrying out the positioning and registration of a standard template image and a target image of a to-be-detected printed matter based on a line mod feature point positioning and registration algorithm; target image artifact elimination, respectively dividing the standard image and the target image after positioning and registration into a plurality of sub-blocks with the same size, and eliminating artifacts caused by localdeformation of the target image by using a sub-block neighborhood sliding artifact elimination method; extracting background region defects of the final difference image; extracting a contour of thestandard image and performing mathematical morphology expansion operation to obtain a contour mask, segmenting the final differential image into a contour area and a non-contour area by using a contour mask covering method, extracting and judging defects in the non-contour area and the contour area of the final differential image, and finally integrating, outputting and displaying the defects. Themethod can be used for successfully detecting the defects such as smudginess, incompleteness, ghosting, shifting, scratching and skip printing.
Owner:HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL +1

Direct-reading dust concentration detector

The invention discloses a direct-reading dust concentration detector, and belongs to the technical field of environment-friendly safety facilities. The direct-reading dust concentration detector comprises an air extracting device and a sampling head, and is characterized in that: the detector also comprises a signal transmitting device, a signal receiving device, a dust intercepting device, a signal processing device carrying a display screen and a box body; the sampling head is fixed with the box body, extends out of the box body, and is connected with the signal receiving device through a gas path; the air extracting device, the signal transmitting device, the signal receiving device and the signal processing device are arranged in the box body; the signal receiving device is matched with the signal transmitting device and is positioned on the upper part of the signal transmitting device; the dust intercepting device is arranged between the signal transmitting device and the signal receiving device; the signal transmitting device and the signal receiving device are all eclectically connected with the signal processing device through circuits; and the signal transmitting device is connected with the air extracting device through a gas path. The direct-reading dust concentration detector has the advantages of not influencing detection effect due to vibration, really reflectingthe dust concentration in working environment in real time, and displaying the dust concentration on the display screen.
Owner:常熟市德虞矿山机电有限公司

Direct-reading dust concentration detector

The invention discloses a direct-reading dust concentration detector, and belongs to the technical field of environment-friendly safety facilities. The direct-reading dust concentration detector comprises an air extracting device and a sampling head, and is characterized in that: the detector also comprises a signal transmitting device, a signal receiving device, a dust intercepting device, a signal processing device carrying a display screen and a box body; the sampling head is fixed with the box body, extends out of the box body, and is connected with the signal receiving device through a gas path; the air extracting device, the signal transmitting device, the signal receiving device and the signal processing device are arranged in the box body; the signal receiving device is matched with the signal transmitting device and is positioned on the upper part of the signal transmitting device; the dust intercepting device is arranged between the signal transmitting device and the signal receiving device; the signal transmitting device and the signal receiving device are all eclectically connected with the signal processing device through circuits; and the signal transmitting device is connected with the air extracting device through a gas path. The direct-reading dust concentration detector has the advantages of not influencing detection effect due to vibration, really reflecting the dust concentration in working environment in real time, and displaying the dust concentration on the display screen.
Owner:常熟市德虞矿山机电有限公司

Portable motor rotor detector

The invention discloses a portable motor rotor detector. The detector is characterized by comprising an operating console, a detection ring, a cylinder, a pressing block and springs, a fixed plate is arranged on the operating console, a cylinder is fixedly mounted on the fixed plate and is provided with a connecting rod, the connecting rod is connected to the pressing block, a block is arranged in the fixed plate, the springs are arranged in the block, the detection ring is fixedly mounted on the block via a buffer plate, and the detection ring is provided with a limiting rod. The portable motor rotor detector has the advantages that rollers and brake discs are mounted under the operating console so that the detector is convenient to move and transfer, the brake discs can provided a static work table top for the detector, the detection effect is not influenced, the structure is simple, the cylinder cooperates with the pressing block to press a rotor into the detection ring and provide convenience for rotor detection, the concentricity and verticality of the rotor are further improved, and the rotor quality is ensured.
Owner:启东市环球齿轮有限公司

Far-field wireless charging receiving target detection method based on convolutional neural network

The invention discloses a far-field wireless charging receiving target detection method based on a convolutional neural network. According to the method, a camera is added to a far-field wireless charging transmitting end. The method is mainly characterized in that the deep convolutional neural network is used for target detection, only a camera is needed to acquire a picture, the accuracy dependson an algorithm, and equipment errors do not need to be worried about. By taking the detection time as an index, the network structure is optimized to improve the detection efficiency. The idea of animage pyramid is used, connection of different feature maps is considered, and the small target detection capability is improved. A MaskRCNN network framework and a ResNet101 backbone network are modified, and the detection accuracy and speed are considered. A method of visual prepositioning and then laser scanning fine positioning is adopted, and the traversal scanning positioning time is shortened to one third.
Owner:TONGJI UNIV

Multi-phase co-culture and detection method and device thereof

The invention relates to a multi-phase co-culture and detection method and a device thereof, and belongs to the technical field of microbe culture. According to the multi-phase co-culture and detection device, a culture tank (1.1) and a culture chamber (1.2) with a plurality of small chambers are formed on a base plate; and liquid culture media are injected into the culture tank (1.1), and various solid or semisolid culture media are injected into the small chambers of the culture chamber (1.2). The liquid culture media are coated to the solid or semisolid culture media by shaking the device to complete the inoculated culture process of bacterial colonies and obtain corresponding detection results. By the device, the solid-phase culture media, the liquid-phase culture media and the semisolid-phase culture media can be separated with each other and can contact with each other under a certain physical condition, so that the complex operation of inoculating bacteria between different culture media is avoided, a false positive result caused by microbial pollution of environment is reduced, the culture and detection of microbial samples are simplified, the stability of detection efficiency and detection results is improved, and the culture and detection can also be performed on a large scale.
Owner:嘉兴杰赛生物科技有限公司

Metal foreign object detecting system of string type radio energy transmission system

The invention relates to a metal foreign object detecting system of a string type radio energy transmission system, and belongs to the technical field of metal foreign object detection in radio energytransmission. The invention aims to solve the problem that the detection sensitivity of the metal foreign object in the wireless energy transmission system is low and coaxial transmitting and receiving coils are required. A high frequency square wave power supply is used to provide a voltage signal that can be decomposed into a fundamental wave and each odd harmonic for the transmitting unit of the wireless energy transmission system; a fundamental energy transmitting current is included in the receiving unit of the wireless energy transmission system; a detecting unit is used to generate aninduced voltage based on the transmitting coil by detecting the coil set; a converting unit is used to sequentially filter, rectify and condition the induced voltage to obtain an adjusted amplitude ofthe induced voltage; and a control unit is used to control the on and off and frequency of the high frequency square wave power supply. The metal foreign object detecting system provided by the invention has the advantage of high detection sensitivity without affecting the transmission of electric energy on the basis of realizing the detection of metal foreign objects, and does not affect the detection effect when the transmitting and receiving coils of the power transmission system are misaligned.
Owner:HARBIN INST OF TECH

Gas pressure regulator achieving direct action through spring load

InactiveCN105605267AStable pressure regulation performanceImprove safety and reliabilityEqualizing valvesSafety valvesButt jointBlocked valves
The invention discloses a gas pressure regulator achieving direct action through a spring load. The gas pressure regulator is characterized in that the gas pressure regulator comprises a valve body, a valve element assembly, a block valve assembly and an actuator; the block valve assembly is internally provided with a releasing part, a sensing part and a block valve rod; the actuator is internally provided with thin film, and a sensing cavity is formed below the thin film; the sensing cavity and a gas pressure detecting port corresponding to the actuator are each provided with a pipe joint which is in butt joint with a signal pipe; each pipe joint is provided with a step internal interface of which the exterior is shaped like a horn and an outer end, and a seal assembly A and a seal assembly B are arranged between the signal pipe and each pipe joint which is in butt join with the signal pipe. According to the gas pressure regulator achieving direct action through the spring load, the pressure regulating performance is stale, integration of overpressure and pressure loss can be achieved, and the safety and the reliability are higher; meanwhile, the problem that an existing signal pipe is partially connected with the sensor directly is solved, the signal pipe is firmly and tightly connected with the pipe joints, even though the signal pipe is used for a long time, the disengagement phenomena such as cracking cannot occur on the joint parts of the signal pipe, the situation of unstable joint parts cannot occur either, and the sealing property of the gas pressure is guaranteed.
Owner:LESHAN SHANYING MOLD

Kit for detecting multiple influenza viruses by polymerase chain reaction (PCR) microarray

The invention relates to a kit for detecting multiple influenza viruses by a polymerase chain reaction (PCR) microarray. The kit comprises mainly a PCR microarray reaction plate, a PCR reaction solution, and a packaging box for centralized and partitioned packaging of reagent bottles or reagent tubes. Through the combination of a real-time fluorescence PCR technology and a microarray technology, on the single PCR microarray reaction plate, the kit can detect eight influenza viruses comprising influenza A virus, influenza B virus, seasonal influenza H1 subtype virus, seasonal influenza H3 subtype virus, influenza A H1N1 virus, highly pathogenic avian influenza H5 subtype virus, highly pathogenic avian influenza H7 subtype virus, and highly pathogenic avian influenza H9 subtype virus simultaneously. A result of detection adopting the kit can be utilized for differential diagnosis and monitoring of pathogens capable of causing influenza.
Owner:DAAN GENE CO LTD

Pipeline water leakage detection system in pipe gallery

The invention relates to a pipeline water leakage detection system in a pipe gallery, and belongs to the technical field of water leakage detection systems for pipe galleries. The pipeline water leakage detection system in the pipe gallery comprises two parallel wires and a server, and is characterized in that the two parallel wires are laid in a multi-group segmented manner along the pipe gallery and are respectively laid below a water pipe in the pipe gallery, the two wires in each group are connected to a data acquisition unit, and each data acquisition unit is connected to the server through a network cable; and each data acquisition unit is provided with a power supply unit for supplying power to the wires, a detection unit for detecting whether the two wires are short-circuited, and a communication unit interacting with the server.
Owner:YANTAI TENGLIAN INFORMATION TECH

OFDM system interference detection method and system

The provided interference detection method for OFDM system comprises: a. the sender sends OFDM signal to the receiver; and b. the latter executes orthogonal interference detection. This invention eliminates channel estimation and the relative error, has no effect on current data communication, and can combine with other signal process module fro more application.
Owner:HUAWEI TECH CO LTD

Improved industrial sewage detecting device

The invention discloses an improved industrial sewage detecting device which comprises a pouring pool fixedly installed on a wall body, a sewage tank fixedly installed in the ground and a communicating pipe. A sewage inlet pipe is arranged at the upper end of the sewage tank. The communicating pipe comprises a vertical pipe at the upper end, and a washing pipe and a sewage guide pipe which are located at the lower end of the vertical pipe. The lower end of the washing pipe is connected with a purifying device. The sewage guide pipe is fixedly connected with the sewage inlet pipe. A main pipe going deep into the ground and connected with the vertical pipe is arranged at the lower end of the pouring pool. A seal ring is arranged at the joint of the vertical pipe and the main pipe. An openingand closing valve located above the pouring pool is installed in the wall body. A partition plate is rotationally installed at the joint of the vertical pipe and the main pipe through a rotating pinshaft. A water passing groove is formed in the joint of the washing pipe and the vertical pipe. An air pipe is arranged at the joint of the sewage inlet pipe and the vertical pipe and connected with apressure exerting device arranged in the ground.
Owner:佛山市庐米文化传播有限公司

Powder paint detection spraying table

The invention relates to a powder paint detection spraying table. The powder paint detection spraying table comprises a cuboid box body, wherein an operating platform is fixed on the front end of the box body, an opening is formed in the surface of the box body above the operating platform, a test cavity is formed in the opening, an air suction hole is formed in the test cavity, and is connected with an exhaust fan, the innermost side wall of the test cavity is a rectangular-pyramid test oblique surface, the rectangular-pyramid test oblique surface is concaved towards the inside of the box body, the air suction hole is formed in the center of the test oblique surface, the side wall of the test cavity is connected with a water spray nozzle, a spraying opening of the water spray nozzle faces the test oblique surface, a collection groove is formed in the bottom of the test cavity, a water discharging hole is formed in the center of the bottom of the collection groove, and is connected with a water discharging pipe, the water discharging pipe is also connected with a precipitating pool. A device depending on the water scouring is designed on the basis of independently depending on the wind power, so that the water scouring effect is good, the clearing speed is high, and the subsequent detection effect is not influenced.
Owner:ZHEJIANG HUACAI NEW MATERIAL CO LTD

Intelligent mouse

The invention discloses an intelligent mouse which comprises a mouse body, a data detection device is arranged in the mouse body and comprises a transparent cover, a connecting block is fixedly connected to the rear face of the transparent cover, a connecting groove is movably connected to the rear face of the connecting block, a connecting ring is arranged on the front face of the connecting groove, and the connecting ring is movably connected to the rear face of the connecting block. According to the intelligent mouse, the transparent cover is moved outwards, the movement of the transparent cover drives the movement of the connecting block, the separation of the connecting block and the connecting groove is realized, a user can conveniently disassemble the data detection device, the transparent cover is made of a transparent material, the transparent cover is made of a transparent material, and the data detection device is convenient to disassemble. According to the intelligent mouse, the data detection head is protected, the detection effect of the data detection head cannot be affected, the function of the intelligent mouse is improved by detecting the data of the human body, and the practicability of the intelligent mouse is greatly improved.
Owner:上海鉴科模型科技有限公司

Detection device for photovoltaic system, photovoltaic system and method of use

The invention provides a detection device for a photovoltaic system, the photovoltaic system, and an application method for the photovoltaic system. The detection device for the photovoltaic system comprises a box body and a circuit board arranged inside the box body, wherein the box body comprises an upper cover and a bottom case which form an accommodating cavity for accommodating the circuit board; a photoelectric detector is arranged on the circuit board; a translucent mirror is arranged on the upper cover and is relative to the photoelectric detector. The photovoltaic system comprises a plurality of photovoltaic components; each photovoltaic component is connected to a tracker used for tracking a sun light incidence angle; each tracker is connected with the detection device. The invention further provides the application method for the photovoltaic system. Through the system, the condition that the surfaces of the photovoltaic components absorb incident sunlight all the time can be ensured, so that within a limited lighting time, the power output of the photovoltaic components can be the highest, the utilization rate of the photovoltaic components is improved, and the production cost is reduced.
Owner:ARCTECH SOLAR HLDG CO LTD

Industrial sewage detecting device

The invention discloses an industrial sewage detecting device. The device comprises a black-flowing pool fixedly mounted on a wall body, a sewage box fixedly mounted in the ground, and a communicationpipe, wherein a sewage feeding pipe is arranged at the upper end of the sewage box; the communication pipe comprises a vertical pipe arranged at the upper end, a washing pipe and a sewage guide pipe;the washing pipe and the sewage guide pipe are positioned at the lower end of the vertical pipe; the lower end of the washing pipe is connected with a purifying device; the sewage guide pipe is fixedly connected with the sewage feeding pipe; a main pipe extending to the ground and connected with the vertical pipe is arranged at the lower end of the back-flowing pool; a sealing ring is arranged atthe connecting part of the vertical pipe and the main pipe; an on-off valve positioned above the back-flowing pool is mounted in the wall body; the connecting part of the washing pipe and the sewageguide pipe is equipped with a separating plate through a rotating pin shaft by twisting; a water running groove is formed in the connecting part of the washing pipe and the vertical pipe; an air pipeconnected with a pressure applying device in the ground is arranged at the connecting part of the sewage feeding pipe and the vertical pipe.
Owner:山东润通科技有限公司

Methane gas sensor based on optical material and monitoring system

The invention relates to a methane gas sensor based on an optical material and a monitoring system, the methane gas sensor comprises a substrate, a nano dielectric cylinder layer and a gas sensitive layer which are sequentially arranged in a laminated structure from bottom to top, the nano dielectric cylinder layer is composed of a plurality of nano dielectric cylinders distributed in an array; the upper end and the lower end of each nano dielectric cylinder are connected with the gas sensitive layer and the substrate respectively, the gas sensitive layer is made of a material sensitive to methane gas, the nano dielectric cylinders are made of a material with the dielectric constant larger than 10 at the infrared band of 1530-1565 nm, and the substrate is made of a material with the infrared band of 1530-1565 nm and without absorption loss. According to the invention, the CH4 gas concentration is monitored by using a gas-sensitive mechanism, and the detection data is accurate, stable and reliable; and the gas sensitive layer of the methane gas sensor is in contact with CH4 gas to cause the refractive index change of the gas sensitive layer, so that the reaction in a gas pool can greatly avoid the influence of environmental factors such as temperature and humidity in a coal mine on detection.
Owner:XIAN UNIV OF SCI & TECH

An industrial sewage detection device

The invention discloses an industrial sewage detecting device. The device comprises a black-flowing pool fixedly mounted on a wall body, a sewage box fixedly mounted in the ground, and a communicationpipe, wherein a sewage feeding pipe is arranged at the upper end of the sewage box; the communication pipe comprises a vertical pipe arranged at the upper end, a washing pipe and a sewage guide pipe;the washing pipe and the sewage guide pipe are positioned at the lower end of the vertical pipe; the lower end of the washing pipe is connected with a purifying device; the sewage guide pipe is fixedly connected with the sewage feeding pipe; a main pipe extending to the ground and connected with the vertical pipe is arranged at the lower end of the back-flowing pool; a sealing ring is arranged atthe connecting part of the vertical pipe and the main pipe; an on-off valve positioned above the back-flowing pool is mounted in the wall body; the connecting part of the washing pipe and the sewageguide pipe is equipped with a separating plate through a rotating pin shaft by twisting; a water running groove is formed in the connecting part of the washing pipe and the vertical pipe; an air pipeconnected with a pressure applying device in the ground is arranged at the connecting part of the sewage feeding pipe and the vertical pipe.
Owner:山东润通科技有限公司

Multi-phase co-culture and detection method and device thereof

The invention relates to a multi-phase co-culture and detection method and a device thereof, and belongs to the technical field of microbe culture. According to the multi-phase co-culture and detection device, a culture tank (1.1) and a culture chamber (1.2) with a plurality of small chambers are formed on a base plate; and liquid culture media are injected into the culture tank (1.1), and various solid or semisolid culture media are injected into the small chambers of the culture chamber (1.2). The liquid culture media are coated to the solid or semisolid culture media by shaking the device to complete the inoculated culture process of bacterial colonies and obtain corresponding detection results. By the device, the solid-phase culture media, the liquid-phase culture media and the semisolid-phase culture media can be separated with each other and can contact with each other under a certain physical condition, so that the complex operation of inoculating bacteria between different culture media is avoided, a false positive result caused by microbial pollution of environment is reduced, the culture and detection of microbial samples are simplified, the stability of detection efficiency and detection results is improved, and the culture and detection can also be performed on a large scale.
Owner:嘉兴杰赛生物科技有限公司

Novel industrial sewage detection device

The invention discloses a novel industrial sewage detection device. The device comprises a flood lighting device fixedly installed on a wall, a backflow tank, a sewage tank which is fixedly arranged in the ground, and a communication pipe, wherein a sewage inlet pipe is arranged at the upper end of the sewage tank, the communication pipe comprises a vertical pipe at the upper end and a washing pipe and a sewage guide pipe which are located at the lower end of the vertical pipe, the lower end of the washing pipe is connected with purification equipment, and the sewage guiding pipe is fixedly connected with the sewage inlet pipe; a main pipe which extends into the ground and is connected with the vertical pipe is arranged at the lower end of the backflow tank, and a sealing ring is arranged at the joint of the vertical pipe and the main pipe; an opening and closing valve located above the backflow tank is further installed in the wall, and a separating plate is arranged at the joint of the washing pipe and the sewage guiding pipe in a twisting mode through a rotating pin shaft; a water passing groove is formed in the joint of the washing pipe and the vertical pipe, an air pipe is arranged at the joint of the sewage inlet pipe and the vertical pipe, and the air pipe is connected with a pressure applying device arranged in the ground.
Owner:江苏新测检测科技有限公司

Novel signal amplification immunofluorescence kit

The invention provides an immunofluorescence kit for a novel signal amplification technology. The immunofluorescence kit specifically comprises the following components: a second antibody-HRP, a TSA-Alkyne reagent and an Azide-tracing marker. According to the kit, click chemistry and a TSA signal amplification method are combined, the advantages of the two methods are exerted, multi-round cyclic amplification can be performed according to experimental requirements, more backgrounds cannot be brought to slice tissues, the detection effect of a mark cannot be influenced, and when a fluorescence detection technology is used, the exposure value is low, autofluorescence interference can be avoided, and fluorescence signal detection can be more sensitive; and the kit has an excellent detection effect on a weak expression protein target spot.
Owner:湖北百奥斯生物科技有限公司

In-place needle for detecting attachment of device

The invention relates to an in-place needle for detecting attachment of a device, which comprises a middle ejector needle, a probe installation block, elastic ejector needles and a cooper sheet, wherein the two elastic ejector needles are installed on the probe installation block, the middle ejector needle is installed on the probe installation block and is arranged in a gap between the elastic ejector needles, the elastic ejector needles are longer than the middle ejector needle in a non-pressure state, telescopic ends of the elastic ejector needles are fixedly connected with the copper sheet, a movable gap is formed between the middle ejector needle and the copper sheet, when the copper sheet touches an element to be detected on a PCBA (Printed Circuit Board Assembly) board, the elasticejector needles are compressed, the copper sheet touches the top of the middle ejector needle, and at the moment, the copper sheet is in current conduction with the middle ejector needle, so as to judge whether the element on the PCBA board is attached. The in-place needle of the invention has the beneficial effects that: the device on the PCBA board is contacted through a plane, a test effect isnot influenced by irregular device attachment, and a structure is simple.
Owner:深圳市明信测试设备股份有限公司

Concrete brick hardness detection device for building construction

The invention relates to a concrete brick hardness detection device for building construction, the concrete brick hardness detection device comprises a vertical frame, a rotating plate mechanism and a linkage mechanism, the top end of the vertical frame is provided with a top seat, the top seat is provided with a detection electric cylinder and a hardness detector, the surface of the top seat is provided with a display screen electrically connected with the hardness detector, and the right side of the vertical frame is provided with a slide way; a rotating plate mechanism is arranged on a vertical frame through a sliding way, a rotating seat is arranged on the left side of the vertical frame, a rotating shaft is arranged on the rotating seat, a carrying cabin is installed through the rotating shaft, the carrying cabin falls on the vertical frame, and a detection electric cylinder drives a probe to directly collide with bricks placed in the carrying cabin so that the breaking strength borne by the bricks under the inching type collision condition can be observed. When the rotating plate rotates to the middle part, the detection electric cylinder drives the probe to collide with the rotating plate firstly, and the rotating plate is utilized to beat the bottom brick so as to observe the breaking strength borne by the brick under the condition of surface moving type collision, so that point and surface detection effects are achieved, and the detection effect is better.
Owner:温州因非科技有限公司

Cell proliferation and toxicity detection kit

The invention discloses a cell proliferation and toxicity detection kit. The cell proliferation and toxicity detection kit has the advantages that the sensitivity and stability of detection can be improved, the reaction time is shortened, and the omitted adding of a detection solution is avoided. The cell proliferation and toxicity detection kit comprises the detection solution and a reaction terminating solution, wherein the detection solution is prepared from WST-8, 2-methyl-1,4-naphthoquinone, an aqueous solution of sodium chloride, an aqueous solution of potassium chloride and an aqueous solution of calcium chloride, the mole ratio of the WST-8 to the 2-methyl-1,4-naphthoquinone is (12 to 18): 1, concentrations of aqueous solutions of sodium chloride, potassium chloride and calcium chloride separately are 8.6g / L, 0.3g / L and 0.28g / L; the reaction terminating solution is HCl of 0.05mol / L to 0.15mol / L.
Owner:大连博格林生物科技有限公司

A method and device for detecting defects in printed matter based on artifact removal

The invention discloses a printed product defect detection method and device based on artifact removal, the method comprising: image positioning and registration: based on the linemod feature point positioning and registration algorithm, the standard template image and the target image of the printed product to be detected are positioned and registered ; Target image artifact removal: Divide the standard image and the target image after positioning and registration into several sub-blocks of the same size, and use the sub-block neighborhood sliding artifact removal method to remove the artifacts caused by the local deformation of the target image; extract the final Defects in the background area of ​​the difference map: extract the contour of the standard image and perform mathematical morphological expansion operations to obtain the contour mask, use the contour mask covering method to segment the final difference map into contour and non-contour areas, extract and distinguish the non-contour areas of the final difference map And the defects in the contour area, and finally integrate the defects and output the display. The method and device of the invention can successfully detect defects such as dirt, incompleteness, double image, displacement, scratch, missing print and the like.
Owner:HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL +1

Equipped with a gas pressure regulating system that detects the stable transmission of air pressure

The invention discloses a gas pressure regulation system with stable transmission of detection gas pressure. A stop valve is stable in performance, an internal tripping mechanism can avoid that the stop valve is wrongly closed due to influences of external impact, a reliable guarantee is provided for improvement on accuracy of detection gas pressure of the stop valve. For the stop valve, a condition that a stop valve signal pipe in a conventional stop valve is directly connected with a senor part is changed. According to the invention, the signal pipe is firmly and tightly connected with a pipe joint, even if the signal pipe and the pipe joint are used for a long term, the connecting part of the signal pipe and the pipe joint is prevented from cracking, falling off and the like, the condition that the connecting part is unstable is avoided. Therefore, gas pressure leakproofness is guaranteed, the detection effect of the sensor is not influenced, the improvement on performance and prolonging of the service life of the stop valve are facilitated. The stable transmission of detection gas pressure P2 can be guaranteed for the whole gas pressure regulation system; and normal operation of the whole gas pressure regulation system can be guaranteed.
Owner:LESHAN BEICHUANG MACHINERY MFG
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