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351results about How to "Fast test results" patented technology

Method for quickly measuring blade of large-sized water turbine

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.
Owner:XI AN JIAOTONG UNIV

Air cleaning device

The invention relates to an air cleaning device, in particular to the air cleaning device used in a data central apparatus room. According to the air cleaning device, a filtering method combining physical filtering and chemical filtering is adopted, and the pollutant concentration in the air is monitored by a gas sensor in real time. A central processing control unit generates a 4-20mA current signal or a 0-10V voltage signal to a controller of a draught fan according to the received pollutant concentration signal, the rotating speed of the draught fan is dynamically adjusted in real time, the central processing control unit uploads the data detected by a pollution degree detector and a temperature and humidity detector to a remote monitoring terminal through a communication interface, a temperature, humidity and corrosion level radar map is generated, the effect to the device from the pollutant is analyzed, the corrosion variation trend is tracked, the corrosion risks are grasped in advance, early corrosion warning is issued, and measures are taken in advance to remove hidden dangers. A specific filtering scheme is appointed according to the environment air to enable the air cleaning device to operate in an energy-saving and efficient mode.
Owner:关玉园

Frame sealing glue composition, display device and detection method

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.
Owner:BOE TECH GRP CO LTD

Method of using electronic nose for detecting freshness of river crucian carp

InactiveCN102879436ATo achieve the purpose of freshness detectionReduce dosageMaterial resistanceRise rateSignal-to-noise ratio (imaging)
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.
Owner:ZHEJIANG GONGSHANG UNIVERSITY

Method for detecting fresh degree of chicken meat by electronic nose

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.
Owner:TIANJIN UNIV OF COMMERCE

Blister tablet packaging defect visual-detection device and method

InactiveCN106290382APackaging defect detection implementationFast test resultsOptically investigating flaws/contaminationSortingVision basedCcd camera
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.
Owner:GUANGDONG POLYTECHNIC NORMAL UNIV

Wearable NIRS-EEG based schizophrenia early detection evaluation system

The invention discloses a wearable NIRS-EEG based schizophrenia early detection evaluation system. The system comprises an NIRS-EEG bimodal cerebral function monitor device, a mobile intelligent terminal and a network server, wherein the NIRS-EEG bimodal cerebral function monitor device is used for acquiring cerebral function information of schizophrenia patients or healthy persons in real time by adopting NIRS and EEG technologies, and transmitting the cerebral function information to the mobile intelligent terminal through bluetooth signals; the mobile intelligent terminal is used for uploading data to the network server for data processing via mobile internet; and the network server is used for saving the processed data, generating a corresponding diagnosis result, and feeding back to the mobile intelligent terminal for data waveform display. The system has the advantages of accurate detection evaluation result and extremely low power consumption, and can be used for quickly and conveniently performing early detection and disease early warning for schizophrenia patients and providing scientific and reasonable guidance for nursing schizophrenia patients, so that pains and psychological burden of schizophrenia patients and family members thereof can be reduced.
Owner:GUANGDONG PROV MEDICAL INSTR INST +2

Assay detector device compatible with any digital camera/portable computing device

ActiveUS20150304555A1Rapid and accurate and affordable laboratory-quality testingRapid and quantitative test resultAnalysis material containersTelevision system detailsPoint of careDigital imaging
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.
Owner:I CALQ

Method for detecting nucleic acid by colloidal gold chromatography technology and reagent kit

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.
Owner:武汉中帜生物科技股份有限公司

Cholesterol sensor

A method for the determination of the amount of cholesterol in a sample is provided. The method typically provides a breakdown of the HDL and LDL cholesterol contents of the sample.
Owner:ROCHE DIABETES CARE INC

Method of using electronic nose for detecting freshness of tilapia

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.
Owner:ZHEJIANG GONGSHANG UNIVERSITY

Liquid stable kit for measuring beta-hydroxybutyric acid by cyclic enzyme method

The invention discloses a liquid stable kit for measuring beta-hydroxybutyric acid by a cyclic enzyme method. The liquid stable kit consists of a reagent 1 and a reagent 2, wherein 1L of reagent 1 comprises 50 to 500mmol of buffer solution, 1 to 5KU of beta-hydroxybutyrate dehydrogenase, 1 to 5KU of diaphorase, 0.1 to 100g of surfactant, 1 to 100mmol of stabilizer, 0.1 to 100g of anti-interference agent I, 0.1 to 100g of anti-interference agent II, and 0.1 to 100ml of preservative; and 1L of reagent 2 comprises 50 to 500mmol of buffer solution, 1 to 20mmol of coenzyme I, 0.1 to 10mmol of nitrotetrazolium blue, 1 to 100mmol of stabilizer and 0.1 to 100ml of preservative. The liquid stable kit has the advantages of stability, wide linear range, high measurement accuracy, high antijamming capability and low cost.
Owner:NINGBO MEDICAL SYSTEM BIOTECHNOLOGY CO LTD

Novel infectious disease nucleic acid rapid detection kit and its detection method

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.
Owner:USTAR BIOTECHHANGZHOULTD

Remote pavement construction diagnosis system and method based on infrared thermal image of third-generation (3G) network

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.
Owner:ZHONGSHAN TOPWARE ELECTRONICS TECH

Method for measuring chromium content in tungsten substrate added with chromium or simultaneously added with chromium and vanadium

The invention relates to a method of mensurating the content of chrome in tungsten matrix which is added with the chrome and vanadium separately or synchronously. The method is characterized in that a sample is melted by sodium dioxide and is soaked in hot water; meanwhile, the sodium dioxide is also used as oxidant to oxidize the chrome into high valence chrome; ammonium bifluoride is used for complexing main body tungsten and avoiding tungstenic acid cementing out; the whole analysis process avoids the occurrence of precipitation and opacification; titration can be carried out under completely limpid and transparent state; and titration result is exact and reliable. The limpid and transparent solution during the titration is very important to the accuracy of titration analysis. The solution is always limpid and transparent during the whole mensuration process, thereby ensuring that the interference of the vanadium is eliminated exactly and quantitatively when the chrome is mensurated. After the interference of the vanadium is oxidized by potassium permanganate, ferrous ammonium sulphate standard solution is used for titrating to eliminate by a subtraction method. The mensurating method ensures that the mensuration is carried out under the completely limpid and transparent state, and the method eliminates the interference of the vanadium completely and quantitatively and improves the accuracy and the speed for detecting the content of the chrome in the tungsten matrix which is added with the chrome and the vanadium separately or synchronously.
Owner:JIANGXI RARE EARTH & RARE METALS TUNGSTEN GRP

Method for detecting freshness of crab by utilizing electronic nose

InactiveCN105223240ATo achieve the purpose of freshness detectionThe test results are objectiveMaterial resistanceSensor arrayRoom temperature
The invention discloses a method for detecting freshness of crab by utilizing an electronic nose. The method comprises the following steps: (1) putting a to-be-detected crab sample into a sample container, sealing and standing for 30-50min at room temperature; (2) inserting a filtered gas probe of the electronic nose into the sample container, setting time as 40-60s and collecting headspace gas; (3) guiding the gas to enter into a gas sensor array, detecting and analyzing; (4) collecting and storing the related data of the gas through the following specific steps: 1) extracting response characteristic values of the gas sensor array, including an initial value, a stable value, a rise time and a rise speed, 2) in a DSP (Digital Signal Processor) built in the electronic nose, inputting the collected original response characteristic values of the electronic nose to the DSP and calculating an output signal-to-noise ratio spectrum signature value according to a solidifying nonlinear stochastic resonance algorithm, and 3) calculating a freshness value of the crab according to a freshness forecasting model and the signal-to-noise ratio spectrum signature value. The method provided by the invention is simple, convenient, high-speed and effective.
Owner:SHANGHAI INST OF TECH

Serum AFU detection kit

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.
Owner:NINGBO MEDICAL SYSTEM BIOTECHNOLOGY CO LTD

Test method of fuel cell catalytic layer metal loads

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.
Owner:中科嘉鸿(佛山市)新能源科技有限公司

Smartphone dock and diagnostic-test reader plus related methods

Disclosed is are a diagnostic test reader and related methods or systems. In one embodiment, a smartphone, including diagnostic software and a camera, may be docked onto the reader so that the camera of the phone is coupled to a diffuser for imaging test strips or other test cartridges provided to the reader. Preferably, the diagnostic software is configured to interpret an image of the strip and provide diagnostic feedback via the interface of the phone. Light for producing the image may be from the flash of the smartphone camera or a light source inside the reader. The more specific details of the disclosed reader are described in connection with the figures.
Owner:WANG NAISHU +1

Human immunodeficiency virus antigen and antibody combined detection kit, use and detection method thereof

InactiveCN106546732AShorten the windowImprove early detection rateBiological material analysisAntigenAntibody
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.
Owner:SHENZHEN MINDRAY BIO MEDICAL ELECTRONICS CO LTD

Method and apparatus for fast testing yarn moisture regain

The present invention is fast yarn moisture regain detecting method and apparatus. The yarn sample is first separated into bundle, weighed and set inside sample basket of the matter with very low microwave dielectric loss; and several sample baskets are heated and ventilated inside microwave heating box. Owing to yarn sample with moisture absorbed and great dielectric loss, the yarn sample has fast raised temperature and its water is released from inside and taken out by the fast flowing air. During heating, the yarn sample is weighed regularly until the weight difference between twice adjacent measurements become less than 0.05 %, and the yarn moisture regain is calculated based on relevant formula, stored, displayed and printed.
Owner:上海宝鼎电子有限公司 +2

Method for detecting 1,5-anhydro sorbitol and related diagnostic kit

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.
Owner:BEIJING STRONG BIOTECH

Visual detection apparatus and method for quality of corn kernel

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.
Owner:GUANGDONG POLYTECHNIC NORMAL UNIV

High flux detection method and biochip based on nucleic acid address coding

InactiveCN102435730AEasily determine concentrationDetermine the concentrationMicrobiological testing/measurementMaterial analysisNucleic acid localizationFluid phase
The invention discloses a high flux detection method and detection biochip based on nucleic acid address coding. According to the invention, the principle of specific complementation and hybridization of nucleic acid is ingeniously utilized to locate nucleic acid with different sequences at different areas of the chip; conjugates of complementary nucleic acid and proteins are located at corresponding positions on the biochip because of interaction among nucleic acid; therefore, disadvantages and deficiency of conventional protein chips are overcome, a whole reaction is carried out in a liquid environment, and since genetic coding is infinite, limitation of bead coding in liquid phase chips is overcome. Thus, the detection biochip provided in the invention combines the advantages of solid phase chips and liquid phase chips and enables a more accurate high flux detection reaction to be achieved.
Owner:广东朗源生物科技有限公司

Chip test method and chip test device

The invention discloses a chip test method and a chip test device. The chip test device comprises the test equipment, a chip test circuit board, an input interface which is arranged on the chip test circuit board, is connected with the test equipment and is used for carrying out data transmission between the test equipment and the chip test circuit board, and a controller which is arranged on the chip test circuit board, is connected with a to-be-tested chip and the input interface, is used for acquiring a state instruction of the input interface and determining a corresponding test vector according to the state instruction, wherein the controller is further used for sending a work mode corresponding to the test vector to the to-be-tested chip to make the to-be-tested chip operate in a work mode, the controller is further used for acquiring a work state of the to-be-tested chip operating in the work mode and determining a detection result of the to-be-tested chip according to the work state. Through the method and the device, a technical problem of poor compatibility existing in a chip test device in the prior art is solved.
Owner:ANALOGIX SEMICON (SUZHOU) INC +1

Dual colloidal gold test strip for detecting human bone metabolic biomarker and detection device applying same

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.
Owner:吕炜锋

Thin-layer chromatography identification method of carbon traditional Chinese medicine formula granules

InactiveCN105241997AMeet the requirements of the rapid inspectionSimple and fast operationComponent separationMedicinal herbsBenzoic acid
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.
Owner:GUANGDONG YIFANG PHARMA

Monitoring system for detecting number of accessing personnel by virtue of infrared ray array and application of monitoring system

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.
Owner:SHANDONG UNIV

Differential privacy disclosure detection method and system for to-be-published text of social network

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.
Owner:BEIJING INFORMATION SCI & TECH UNIV
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