348results about How to "Fast test results" patented technology

The invention discloses a method for quickly measuring a blade of a large-sized water turbine, which is characterized by comprising the following steps: firstly, sticking a mark point to the surface of the blade, then shooting a group of photos from different angles as measured primary data, and inputting the data to a computer to carry out analytic processing; by carrying out image detection for the group of photos in a measurement software, identifying the mark point in each photo and positioning the center of the mark point, and matching the mark points with the same name; finally, reconstructing a three-dimensional coordinate of corresponding object points according to a plurality of two-dimensional coordinates of the mark points, fitting a sparse framework model of a target by the reconstructed three-dimensional mark points, then scanning the surface of the blade block by block by using a binocular grating scanning method to acquire a local dense point cloud, and aligning the dense point cloud to an overall coordinate system according to the local mark points to acquire a dense point model of the blade; and by comparing the dense point model with a CAD designed model after aligning, calculating a three-dimensional processing error of the surface of a workpiece.

The invention discloses a frame sealing glue composition. The frame sealing glue composition comprises a frame sealing glue, a fluorescent material and a dispersant, wherein the frame sealing glue comprises a prepolymer, an active monomer, a thermal curing agent and a photoinitiator. Through addition of the fluorescent material with a fluorescent effect into the conventional frame sealing glue, the obtained frame sealing glue composition exerts a same adhesive effect as that of the conventional frame sealing glue and facilitates detection of bonding effects on frame sealing glue layers through the fluorescent effect. The invention further discloses a display device and a detection method based on the frame sealing glue composition. The frame sealing glue layers are irradiated by invisible light with wavelength of less than 400 nm, and sealing conditions of the frame sealing glue layers are determined according to the fluorescent effect of the frame sealing glue layers. Thus, bonding effects on the frame sealing glue layers can be conveniently and effectively detected without detection in a special environment, breaking of panels in the process of carrying is avoided, and detection results can be effectively and rapidly obtained.

A method of using an electronic nose for detecting freshness of river crucian carp includes the steps: (1) placing river crucian carp samples to be detected into a sample container, sealing and standing for 20-40min at the room temperature; (2) inserting a filtered gas probe of the electronic nose into the sample container for 40-60s, and collecting top gas; (3) enabling the gas to enter a gas sensor array for detection and analysis; and (4) collecting and storing related data of gas according to the specific process: (4-1) extracting response characteristic values of the gas sensor array, wherein the response characteristic values include an initial value, a stable value, rise time and rise rate; (4-2) curing a non-linear stochastic resonance algorithm into a digital signal processor internally arranged in the electronic nose, and inputting the original response characteristic values of the electronic nose into a DSP (digital signal processor) and outputting a signal-to-noise-ratio spectral characteristic value by computing; and (4-3) computing a freshness value of the river crucian carp according to a freshness prediction model and the signal-to-noise-ratio spectral characteristic value. The method is simple, convenient, rapid and effective.

The invention discloses a method for using an electronic nose to detect the freshness of chicken. The invention aims at providing a method which uses the electronic nose to detect the freshness of chicken, has the advantages of rapidity and simpleness, easy use and objective and reliable detection result, and can reduce the impact of storing conditions to the detection result. The method comprises the following steps: a chicken sample to be detected is put into a sealed container and then heated in water bath with thermostatic control; the heated chicken sample is put into a test room, and then smell sent by the sample is detected by a gas sensor array which consists of four gas sensors of different types; the data which is aquired by the gas sensor array is collected and processed; and then the freshness of chicken is judged according to the processing result of the data. The detection method uses an electronic nose which consists of four gas sensors of different types to detect the chicken sample, and has the advantages of objective, accurate, and fast detection result, good repeatability, simple analysis process and small using amount of sensors, and reduces the extraction of eigenvalues.

The invention discloses a blister tablet packaging defect visual-detection device and method. The detection device comprises a detection platform and a detection system, wherein the detection platform comprises a worktable for blister tablets to be put, a pneumatic sorting structure and a conveying mechanism. The detection system comprises an image acquisition module, a motion control module and an upper computer. The image acquisition module comprises a photoelectric sensor, an image acquisition card, an illuminating light source and a CCD camera. The motion control module comprises a drive mechanism, a motion control card and a pneumaticsorting mechanism. The blister tablet packagingdefect visual-detection device adopts a vision based detection scheme to conduct vision detection and analysis on blister tablet packaging so as to achieve detection of different defects of different sizes of blister tablets and removal of defected products and ensures high-speed automatic production of blister tablet packaging.

Devices and methods for performing a point of care diagnostic test. In one embodiment, such a device may be adaptable to essentially any handheld digital imaging device. Such a device may include a sample holder for positioning an assay device in relation to the digital imaging device and an expandable/contractible member having the sample holder slidably coupled thereto. The expandable/contractible member is configured for removably attaching the testing device the digital imaging device and for positioning the sample holder in relation to an image capture means of the digital imaging device. In one embodiment, such devices may include a second slot configured for receiving one or more of a second assay cassette, an assay device, assay cassettes of various sizes, a printed circuit board, and the like.

The invention discloses a method for detecting nucleic acid by a colloidal gold chromatography technology and a reagent kit, and belongs to the technical field of medical biology. A universal test paper strip for nucleic acid detection is provided; colloidal gold particles are marked on a universal probe 1, and then, the universal probe is fixed on a glass cellulose membrane; the probe sequence is designed into a universal sequence; the test paper strip is fixed on a PVC (polyvinyl chloride) bottom plate; a sample pad, glass fiber, an NC membrane and water absorption paper are in sequential arrangement from the left side to the right side, wherein a T line (detection line) and a C line (quality control line) are arranged on the NC membrane; antibodies to labels b cover the detection line; antibodies to labels a cover the quality control line; the specificity probe A series and the specificity B series successfully combine a gold mark probe and nucleic acid amplification fragments in series; the specificity detection of nucleic acid amplification fragments is realized. The method has the advantages that the technical requirement on the experiment personnel is low; the required detection time is short; special instrument equipment is not needed; the popularization to basic levels and remote rural area medical institutions is easy.

A method of using an electronic nose for detecting freshness of tilapia includes the steps: (1) respectively placing back and belly samples of tilapia to be detected into a sample container, and standing for 20-40min at the room temperature; (2) inserting a sample injection pinhead of the electronic nose into the sample container at the normal temperature, inserting an air filter filled with activated carbon into the sample container to balance air pressure, starting the electronic nose, and enabling the electronic nose to suck gas given out by the standing samples inside; (3) detecting the gas given out by the samples by the aid of a gas sensor array inside an electronic nose gas chamber, wherein detecting time is 40-60s, and cleaning time is 3-8min; (4) setting an experimental period interval as 10-12 hours; and (5) collecting data acquired by the gas sensor array, performing data processing for the acquired data, and computing so that a freshness value of the tilapia is obtained. The method is simple, convenient, rapid and effective.

The invention relates to a novel infectious disease nucleic acid rapid detection kit and its detection method, the rapid detection kit comprises an apparatus-free micro nucleic acid extraction kit, a nucleic acid constant temperature amplification reaction kit and a nucleic acid anti-pollution detection apparatus. The apparatus-free micro nucleic acid extraction kit comprises a micro nucleic acid extraction apparatus, a suction device, a cell lysate, a cleaning solution and an eluate. The rapid detection kit has the advantage that the apparatus-free nucleic acid extraction is carried out. The detection kit has the advantages of strong specificity, high sensitivity, simple operation, rapidity and no apparatus requirement during the detection process.

The invention discloses a remote pavement construction diagnosis system and method based on an infrared thermal image of a third-generation (3G) network. The system comprises an infrared thermal image acquisition system and an infrared thermal image quality inspection center which are in communication connection with each other through a 3G wireless communication network, wherein the infrared thermal image acquisition system comprises an advanced reduced instruction set computer (RISC) machine (ARM) embedded system, an infrared thermal imager which is connected to the ARM embedded system, a distance measuring device and a 3G wireless communication module; the infrared thermal image quality inspection center comprises a 3G wireless network card and a data processor; the infrared thermal image acquisition system and the infrared thermal image quality inspection center are in communication connection with each other through the 3G wireless communication module and the 3G wireless network card. Through an advanced 3G network transmission technology, the remote wireless communication of a control signal and the real-time transmission, recording and analysis of an infrared image and temperature data between the infrared thermal image acquisition system and the infrared thermal image quality inspection center are easily realized.

The invention relates to a serum AFU detection kit. The kit comprises a reagent 1 and a reagent 2, wherein the reagent 1 comprises 50-500 mmol/L of a buffer solution (pH 4.0-4.5), 1-50 g/L of a surfactant, 1-20 g/L of an anti-interference agent and 0.1-100 g/L of a preservative; the reagent 2 comprises 50-500 mmol/L of a buffer solution (pH 7.0-7.5), 2-60 g/L of glucose, 1-20 KU/L of hexokinase, 1-20 KU/L of glucose-6-phosphate dehydrogenase, 0.3-5 g/L of magnesium sulfate, 0.2-5 g/L of a substrate, 1-100 mmol/L of a stabilizer, 0.1-40 g/L of a protective agent and 0.1-100 g/L of a preservative. With the adoption of the kit, problems of the poor substrate stability, the poor anti-interference capacity and the lower sensitivity which exist universally are solved.

The invention discloses a test method of fuel cell catalytic layer metal loads, and the method is as follows: (1) establishment of a standard curve, to be more specific, preparing more than three metal-element-containing catalysts with different loads on the surface of a substrate material according to a predetermined load, using an X-ray fluorescence spectrometer to test response signals of metal elements on the substrate material, using the ratio of response signals of the metal elements to response signals of a background sample as Y coordinates and the metal loads as X coordinates to draw the standard curve; (2) the catalytic layer load test, to be more specific, using the same background sample and same testing conditions of the standard curve test to test response signals of the metal and the background sample; and (3) the catalytic layer load calculation, to be more specific, establishing a metal load calculation formula according to the standard curve, and substituting test results into the formula to calculate the corresponding metal loads. Compared with the prior art, the test method is simple, reliable and fast without damage on a fuel cell catalyst layer.

The invention discloses a human immunodeficiency virus antigen and antibody combined detection kit, use and a detection method thereof. The detection kit comprises the following components: (a) magnetic particle coating matter, which includes an HIV-1/M specific antigen, an HIV-1/O specific antigen, an HIV-2gp36 antigen, and an HIV p24 antibody that coat the magnetic particles and exist in a magnetic particle diluent; (b) an enzyme marker, which inlcudes marker enzyme marked HIV-1/M specific antigen, HIV-1/O specific antigen, HIV-2gp36 antigen, and HIV p24 antibody in an enzyme marker diluent; (c) a sample treatment solution, which contains a nonionic surfactant; and (d) a test diluent, which is a buffer solution for diluting a to-be-tested sample. The kit can realize combined detection of human immunodeficiency virus antigens and antibodies, and has good specificity and high sensitivity.

The invention relates to a method for detecting 1,5-anhydro sorbitol and a related diagnostic kit. In the method, a sample and adenosine diphosphate are reacted in the presence of adenosine diphosphate dependent hexokinase serving as a catalyst to form anhydroglucose-6-phosphoric acid and adenylic acid, the anhydroglucose-6-phosphoric acid and thio-oxidative NAD(nicotinamide adenine dinucleotide) are reacted in the presence of 1,5-AG(anhydro glucitol)-6-phosphate dehydrogenase(PDH) serving as a catalyst to form thio-reduced coenzymes and compounds of C6H11O8P, and simultaneously the generated C6H11O8P is reacted in the presence of AG-6-PDH and reduced NAD to form AG-6-P and oxidative coenzymes; and because of the cyclic amplification, the sensitivity of 6-anhydro sorbitol is improved. The invention also provides a detection kit for 1,5-anhydro sorbitol based on the method. The kit is convenient and easy to use, can quickly finish detection on a common ultraviolet/visible light analyzer or semi-/full-automatic biochemical analyzer, does not need special or additional instruments and is low in cost.

The invention discloses a visual detection apparatus and method for the quality of a corn kernel. The visual detection apparatus comprises a detection platform and a detection system, wherein the detection platform comprises a workbench used for placing the corn kernel and a conveying mechanism; the detection system comprises a control center module, a separating and discharging module, an image analysis module, an illumination module and a motion control module; and the workbench comprises a shaking source, a scraping plate, a shading case, a photoelectric sensor, an illumination light source and a CCD camera. According to the invention, a visual sense-based detection scheme is employed for visual detection and analysis of the quality of the corn kernel so as to realize quality detection of corn kernels of different types and impurity selection, and high-speed automatic detection of high-quality corn kernels is guaranteed.

The invention belongs to the field of clinical laboratory techniques and in particular relates to a colloidal gold test strip for quantitatively detecting human bone metabolic biomarker and a detection device applying same. The test strip provided by the invention comprises a sample pad, a glass fiber mat coated with gold-labeled streptavidin, a glass fiber mat coated with a gold-labeled antibody, a nitrocellulose membrane and an absorbent pad which are sequentially adhered with one another on a bottom plate in a staggered manner. A quality control line pre-enveloped with a goat anti-rat IgG antibody is formed in the nitrocellulose membrane; a detection line parallel to the quality control line is formed in the nitrocellulose membrane; an antibody capable of being specifically bound with a to-be-detected antigen human bone metabolic biomarker is coated on the detection line; the gold-labeled antibody is an antibody capable of being specifically bound with the to-be-detected antigen human bone metabolic biomarker. According to the test strip provided by the invention, the human bone metabolic biomarker can be quantitatively detected, the requirement on instruments is low, the time of clinically detecting the human bone metabolic biomarker is shortened, and the detection complexity and cost can be reduced.

The invention discloses a thin-layer chromatography identification method of carbon traditional Chinese medicine formula granules. The method comprises the steps that 1, sample powder is taken and dissolved through water, hydrochloric acid is added, heating is conducted for hydrolysis, filtration is conducted, filtrate is extracted through ethyl acetate or ethyl ether, extract liquor is evaporated to dryness, and residues are dissolved through methyl alcohol to serve as a test sample solution; 2, reference medicinal materials are taken, decocted through water and filtered, filtrate is concentrated, and then a reference medicinal material solution is prepared through the method for preparing a test sample; 3, the test sample solution and the reference medicinal material solution are sucked and dripped on a same silica gel GF254 thin-layer plate, and developing is conducted by taking a mixture of methylbenzene, one or more of ethyl formate or ethyl acetate or butyl acetate and formic acid as developing solvents according to the volume ratio of 2-8 to 2-8 to 0.1-1; 4, the thin-layer plate is viewed under a 254 nm ultraviolet lamp, and principal spots with the same color are showed on the positions, corresponding to the chromatography of the reference medicinal materials, in the test sample chromatography. The method is rapid, comprehensive and high in specificity, and the requirements of carbonized herbs and the carbonizing drug characteristic of the formula granules thereof can be embodied.

The invention relates to a monitoring system for detecting the number of accessing personnel by virtue of an infrared ray array and application of the monitoring system. The monitoring system comprises pyroelectric infrared sensors, signal processing circuits, a power supply circuit, a serial interface circuit, a single-chip microcomputer and an overload monitor. According to the monitoring system, the pyroelectric infrared sensors are utilized for acquiring infrared rays emitted by a human body when people pass through the monitoring system, judging the accessing directions of people from the vertical direction and measuring and calculating the space width occupied by the infrared rays emitted by the human body, a space width value is compared with a shoulder-width value of the human body preset in a single-chip microcomputer program to calculate the number of the accessing personnel, and the overload monitor is utilized for controlling the operation and the stopping of a construction elevator so as to realize the safe operation of the construction elevator. The monitoring system is rapid and accurate in detection result, simple in structure and strong in applicability and is convenient to mount.

The invention discloses a differential privacy disclosure detection method and system for a to-be-published text of a social network. According to the method, various possible privacy disclosure waysare comprehensively and deeply analyzed; A current to-be-published text of a user is comprehensively considered. A multi-dimensional feature-based privacy disclosure detection convolutional neural network model is established based on the privacy disclosure detection convolutional neural network model, the aggregation effect of privacy information is fully considered, and omnibearing privacy disclosure detection is carried out according to the aggregation effect, so that the detection result is faster, more comprehensive and more accurate. According to the privacy disclosure degree obtained through two times of detection, difference is carried out to obtain the current text privacy disclosure condition. According to the privacy disclosure detection method and device, whether the privacy disclosure prompt is carried out or not is determined, the limitation that a traditional method needs to consider the privacy category is avoided, the complexity that text content is classified first and then privacy disclosure detection is carried out according to features extracted according to the category to which the content belongs in the traditional method is also avoided, and the privacy disclosure detection efficiency is improved.

The invention discloses a database node health condition detection method and a detection device. The database node health condition detection method includes a first step of capturing an active session state of a database node in a lately first session-timeout within every sampling period for any oracle real application clusters (RAC) database node, a second step of computing the percentage of abnormal waiting sessions of the database node within the sampling period according to the active session state, a third step of judging whether the percentage of the abnormal waiting sessions is larger than a preset first threshold value, if so, a fourth step of judging whether the most serious waiting sessions exist in the database node within the sampling period, judging, if existing, a fifth step of judging the database node within the sampling node is an unhealthy node and continuing judging whether the database node within a plurality of continuous preset sampling periods is judged to be the unhealthy node, and if so, a sixth step of executing closing and stopping operation to the database node. The database node health condition detection method and the detection device achieve automatic real-time detection to the health conditions of the oracle RAC database nodes.

The invention discloses an NTx (Naltrexone) detection test strip. The NTx detection test strip comprises a chromatography membrane and a conjugate pad; an immunolabelled NTx antibody and an immunolabelled first antibody are loaded on the conjugate pad; the chromatography membrane is provided with an NTx protein covered detection line and a second antibody covered colorimetric line along a liquid chromatography direction. When a sample is detected, the colorimetric line correspondingly displays the chroma of specific protein concentration after the second antibody is specifically combined withthe first antibody; NTx protein on the detection line and the NTx protein in the sample are competitively combined with the immunolabelled NTx antibody and the color developing depth of the detectionline and the colorimetric line is directly compared so that semi-quantitative detection of the NTx protein is realized. The invention discloses a preparation method of the NTx detection test strip; the preparation method is used for preparing an NTx protein semi-quantitative detection test strip which is rapid and sensitive in detection and does not depend on an instrument. The invention disclosesan NTx detection kit; the NTx detection kit comprises the NTx detection test strip and can provide effective information for early diagnosis and treatment of osteoporosis.