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30results about How to "Simplify the detection process" patented technology

Colloidal gold test strip for detecting hereditary hearing loss, and preparation method and application thereof

The invention provides a colloidal gold test strip for detecting hereditary hearing loss. The colloidal gold test strip comprises a base plate, and a sample loading pad, a colloidal gold binding pad, a chromatographic membrane and a sample sucking pad which are successively adhered on the base plate, wherein the colloidal gold binding pad is a glass fiber membrane or polyester film coated with colloidal gold-labeled SLC26A4 antibody and GJB2 antibody and the chromatographic membrane is a cellulose nitrate membrane coated with SLC26A4 and GJB2 antibodies. The invention further provides a preparation method for the colloidal gold test strip and a colloidal gold kit for detecting hereditary hearing loss. According to the invention, colloidal gold immunochromatography is employed to simultaneously detect the SLC26A4 and GJB2 antibodies; expensive apparatuses and tedious operation are not needed in detection; detection flow is simplified; a detection period is substantially shortened; people can detect hereditary hearing loss by themselves in virtue of the colloidal gold test strip and kit; whether gene mutation exists in a to-be-tested sample can be confirmed, so reference is provided for clinical diagnosis and treatment; and the colloidal gold test strip and kit are extensively applied to large-scale pre-pregnant prevention, intervention in pregnancy, postpartum screening and medication directions.
Owner:WUHAN J H BIO TECH

Extended target adaptive detection method and system based on oblique projection under interference

The invention relates to an extended target adaptive detection method and system based on oblique projection under interference. Firstly, a signal matrix, an interference matrix, a to-be-detected data matrix and a training sample matrix are constructed, then a sampling covariance matrix and an inverse matrix of a square root matrix of the sampling covariance matrix are constructed according to a training sample, and then the signal matrix, the interference matrix and the to-be-detected data matrix are whitened according to the square root matrix. Then an oblique projection matrix is constructed according to the whitened signal matrix and the whitened interference matrix, detection statistics is constructed according to the oblique projection matrix and the whitened to-be-detected data matrix, and a detection threshold is determined according to a false alarm probability set by a system and the detection statistics; and finally, the detection statistical magnitude is compared with the detection threshold to judge whether the target exists or not. According to the detector designed by the invention, interference can be thoroughly suppressed, target detection is realized, and independent filtering and constant false alarm processing flows are not needed.
Owner:AIR FORCE EARLY WARNING ACADEMY

Optical detection equipment

The invention provides optical detection equipment which is used for detecting surface defects of a wafer. The optical detection equipment comprises a support assembly, a carrying table, a first main detection lens, a second main detection lens, a carrying table driving unit and an imaging analysis unit, the camera shooting end of the first main detection lens faces the camera shooting end of the second main detection lens, and the camera shooting end of the first main detection lens and the camera shooting end of the second main detection lens are arranged in the direction perpendicular to the supporting face of the carrying table. The supporting surface of the carrying table is provided with a light-transmitting structure; when the carrying table driving unit drives the carrying table to move in the x direction and/or the y direction of the plane where the supporting face of the carrying table is located, the carrying table bearing the to-be-detected wafer is located between the first main detection lens and the second main detection lens which are correspondingly arranged so that the front face and the back face of the to-be-detected wafer can be detected at the same time. And the front surface detection result and the back surface detection result of the wafer to be detected completely correspond to each other, so that the purposes of simplifying the detection process and improving the defect detection rate and the detection efficiency of the wafer are achieved.
Owner:昂坤视觉(北京)科技有限公司

Method for improving effective coverage of sound field of ultrasonic probe, and ultrasonic detection wedge block

PendingCN110320275AImprove consistencyImprove the effective coverage of the sound fieldAnalysing solids using sonic/ultrasonic/infrasonic wavesOblique incidenceUltrasound
The invention provides an ultrasonic detection wedge block, comprising a working surface and a connecting surface on front and back sides, wherein the shape of the working surface of the ultrasonic detection wedge block comprises one or more jagged steps, a rising surface of each step is a focusing surface or plane, and a falling surface is a plane; the rising surface of the step is obliquely arranged, so that the direction of a sound beam emitted by an ultrasonic probe can be changed, and oblique incidence of ultrasonic waves can be achieved on a workpiece; and the plurality of jagged steps can divide a single sound beam emitted by the ultrasonic probe into several sound beams. The invention further provides a method for improving the effective coverage of a sound field of the ultrasonicprobe, wherein the ultrasonic detection wedge block is attached above the ultrasonic probe; and the sound beam of the ultrasonic wave emitted by the ultrasonic probe is divided by the ultrasonic detection wedge block to form a plurality of sound beams, and meanwhile the workpiece is detected. By adopting the method provided by the invention, the effective coverage of the sound field of the ultrasonic probe can be increased, and the consistency of detection signals is improved.
Owner:HUST WUXI RES INST

Cord density detection device for steel cord

The invention provides a cord density detection device for a steel cord. The device comprises a high-precision electronic scale detection platform, a cylinder, a shear head, a weight control display and a strong magnetic attraction seat, the length from the left end of the high-precision electronic scale detection platform to the shear head is 1m, the strong magnetic attraction base includes a magnetic clamping piece, the steel cord is kept straight and parallel, a cylinder control switch is switched on when the other end of the straightened steel cord is aligned with the right end of the high-precision electronic scale detection platform, the cylinder pushes the shear head to shear off the steel cord, and the numerical value displayed by the weight control displayer represents the cord density. The length of a sample is set to be 1m; a peeling button is used so that the display directly display the cord density; the detection period is shortened, the detection process is simplified, the detection precision is improved by arranging the high-precision electronic scale detection platform and the strong magnetic attraction seat, and the high-precision electronic scale detection platform can be moved beside any machine tool take-up device, so that the cord density can be conveniently detected in time, and the diameter of a single wire for machine tool production can be convenientlyadjusted in time.
Owner:JIANGSU XINGDA STEEL TYPE CORD

Optical flow control detector for determining phosphorus content in seawater based on mobile phone APP

The invention provides an optical flow control detector for determining the phosphorus content in seawater based on a mobile phone APP. The optical flow control detector comprises a first micro-flow pump for pumping liquid to be detected and a second micro-flow pump for pumping an indicator, wherein a reaction part is a microfluidic network and is of a tree-shaped network structure; the reaction part is a multi-layer mixing unit; a detection unit comprises a light source, a microfluidic chip and a photosensitive element which are arranged from top to bottom, and a sandwich structure is formed;the microfluidic chip is provided with a colorimetric unit; the lowest mixing unit communicates with the colorimetric unit in a one-to-one manner; a signal transmission part converts a light signal obtained by the detection part into an electric signal and is connected to the mobile phone APP through Bluetooth; the mobile phone APP obtains a detection result through calculation; and a waste liquid collecting part communicates with an outlet of the colorimetric unit for collecting the discharged waste liquid. The optical flow control detector for determining the phosphorus content in the seawater based on the mobile phone APP is small, efficient and portable, and the content of phosphate can be stably determined.
Owner:WUHAN UNIV

Portable constructional engineering quality detector

The invention discloses a portable constructional engineering quality detector, and relates to the technical field of building construction equipment. The detector comprises a detector body, the detector body comprises a supporting mechanism and a detection mechanism, the top surface of the supporting mechanism is clamped with the detection mechanism, the supporting mechanism comprises two scissor-type lifting frames which are symmetrically arranged, a driving screw rod is mounted in one scissor-type lifting frame, and two guide rails which are symmetrically arranged are fixedly connected between the opposite surfaces of the two scissor-type lifting frames; sliding grooves are formed in the tops of the two guide rails, a transmission screw is rotationally connected between the opposite surfaces of the two shear type lifting frames, and a forward thread part and a reverse thread part which are symmetrically distributed are arranged on the circumferential side face of the transmission screw. Through the design of the detector body, drilling and coring work of constructional engineering can be efficiently achieved, and on the basis of the drilling and coring function, pressure bearing detection of a sample core can be achieved.
Owner:于磊

On-line antimony reduction detection device and method

The invention discloses an antimony online reduction detection device and method. The device comprises a photochemical reduction device and a detection device, the photochemical reduction device comprises a quartz micro-channel reaction chamber, an ultraviolet light source and a sample injector connected to a sample injection port of the quartz micro-channel reaction chamber, and a to-be-detected sample injected into the quartz micro-channel reaction chamber under irradiation of the ultraviolet light source and a reducing agent are subjected to a photochemical reduction reaction; the detection device comprises a hydride generation device connected with the outlet of the quartz micro-channel reaction chamber and an atomic fluorescence spectrometer connected with the hydride generation device. The photochemical reduction device is connected with the hydride generation device in the detection device, so that online photochemical reduction and atomic fluorescence spectrum detection of pentavalent antimony in a to-be-detected sample are realized, and detection of antimony in the to-be-detected sample can be realized according to an atomic fluorescence spectrum detection result; according to the invention, the detection speed is increased, the detection process is simplified, the medicament and labor cost is saved, the sensitivity is improved, and the secondary pollution is reduced.
Owner:CHINA ENFI ENGINEERING CORPORATION

Water washing type dye flaw detection penetrant taking water as developer as well as preparation method and use method of water washing type dye flaw detection penetrant

The invention relates to the technical field of penetrant flaw detection, in particular to a washing type dye flaw detection penetrant taking water as a developer, and a preparation method and a use method thereof. The flaw detection penetrant comprises the following components in parts by weight: 5-15 parts of a coloring dye, 5-15 parts of an organic compound, 30-50 parts of a solvent, 20-40 parts of an emulsifier and 1-5 parts of a defoaming agent, the organic compound is a natural terpenoid or organic resin. The problem that in the prior art, the penetrant flaw detection process is complex is solved. According to the washing type dye flaw detection penetrant, water serves as a developing agent to replace a traditional white developing agent, after the flaw detection penetrant on the surface of a workpiece is washed with water, the developing agent does not need to be sprayed after drying, a water film left on the surface of the workpiece serves as the developing agent, a coloring agent permeating into cracks is sucked to the surface of the workpiece according to the capillary principle, and whether the surface of the workpiece has defects can be observed by placing for a while.
Owner:SHANGHAI QUANKAI NEW MATERIALS TECH CO LTD

Laser, mode locking state monitoring method and mode locking state monitoring device

The invention relates to a laser and a mode locking state monitoring method and device, and the method comprises the steps: executing a mode locking state judgment flow when the mode locking state ismode locking success; if the mode locking state is mode locking failure, executing a mode locking process; wherein the mode locking process comprises the steps of adjusting a working current, and thenexecuting a mode locking state judgment process; the mode locking state judgment process comprises the step of judging the mode locking state according to the frequency value of the pulse laser; andthe pulse laser is collected at an output port of a laser or a seed light source of the laser, and the judgment logic for judging the mode locking state according to the frequency value of the pulse laser is as follows: if the frequency value is within a first threshold range and is continuously within the first threshold range for multiple times, and the mode locking state is judged to be that the mode locking is successful; and if the frequency value is not within a first threshold range and is not within the first threshold range for multiple consecutive times, the mode locking state is judged to be that the mode locking fails. The method has the effects of quickly detecting lock loss and quickly recovering mold locking.
Owner:北京卓镭激光技术有限公司

Method for evaluating quality of folium artemisiae argyi

The invention provides a method for evaluating quality of folium artemisiae argyi. The method comprises the following steps of step S1, weighing 0.8 to 1.2g of folium artemisiae argyi powder into a headspace bottle, adding 7 to 12ml of water, sealing the headspace bottle, shaking uniformly, standing for 20 to 40min, obtaining a test article solution, preparing a reference solution, measuring the reference solution, the test article solution and 1ml of gas in the headspace bottle, and injecting the reference solution, the test article solution and the gas into a gas chromatography-mass spectrometer, analyzing a chromatogram-mass spectrogram, and obtaining the contents of various main components in the folium artemisiae argyi; step S2, weighing 0.15 to 0.35g of folium artemisiae argyi powderinto a digestion tank, adding 8 to 10ml of nitric acid, standing overnight, digesting, removing acid, keeping the volume constant, shaking uniformly, filtering, obtaining a test sample solution, testing the test sample solution by using an inductively coupled plasma source mass spectrometer, and obtaining the contents of inorganic elements; and step S3, performing quality evaluation on the foliumartemisiae argyi according to the contents of various main components and the contents of various inorganic elements in the folium artemisiae argyi, so that a quality evaluation result of the foliumartemisiae argyi can be obtained more comprehensively and accurately.
Owner:GUANGZHOU JINAN BIOMEDICINE RES & DEV CENT

Medical co-body multi-parameter detection system and method based on Harmony operation system

The invention discloses a medical co-body multi-parameter detection system and method based on Harmony operating system, and relates to the technical field of artificial intelligence. The detection system comprises: a medical co-body automatic acquisition and detection system which used for matching specimen information and to-be-detected information under the Harmony operation system, carrying out full-automatic multi-parameter detection of the specimen in a fully-closed environment after the matching condition is met, and obtaining and outputting detection result information; a medical co-body hospital-level detection system which is used for obtaining and outputting to-be-detected information under the Harmony operation system, and acquiring and displaying detection result information; and a medical co-body patient-level detection system which is used for acquiring and displaying detection result information under the Harmony operation system. According to the invention, one-key one-window type completion from detection task arrangement to specimen receiving and acquisition and detection result information release is realized, full-automatic intelligent operation of detection is realized, and the detection efficiency and the detection precision are improved.
Owner:BEIJING FULE CLOUD INSPECTION TECH

Part cleanliness detection device and detection method

The invention relates to a part cleanliness detection device and detection method. The device comprises an electromagnet, a test solution storage container, a driving motor, a paddle, a tray, an electronic balance, a test solution buffer bottle, a filter membrane, a recovery bottle and a vacuum pump, wherein the test solution storage container is made of an iron material which can be adsorbed by the electromagnet, the driving motor is positioned above the test solution storage container, an output shaft of the driving motor extends into the test solution storage container, and the paddle is fixed on the output shaft of the driving motor; an electric heating pipe is arranged at the bottom of the tray; the electromagnet wraps the outer wall of the test solution storage container; the outputend of the lower part of the test solution storage container is connected with the input end of the upper part of the test solution buffer bottle through a valve; an opening is arranged in the test solution buffer bottle; the output end of the lower part of the test solution buffer bottle is connected with the recovery bottle through the filter membrane and another valve; the output end of the upper part of the recovery bottle is connected with the vacuum pump through an air pipe. According to the device, separation of iron impurities and non-iron impurities is achieved, the impurities can beroughly detected through the method, and the detection speed is increased.
Owner:HEBEI UNIV OF TECH
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