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System and method for network vulnerability analysis using multiple heterogeneous vulnerability scanners
InactiveUS20080092237A1Enhance analysis accuracyEnhance accuracyMemory loss protectionError detection/correctionVulnerability scannerVulnerability scanning
An integrative analysis system and method of network vulnerability utilizing multiple heterogeneous vulnerability scanners to enhance the accuracy of the network vulnerability analysis are provided. The method comprises a scanning policy setting-up step of setting-up a common scanning policy able to be adapted to the multiple heterogeneous vulnerability scanners and specifying the policy for the respective vulnerability scanners, a vulnerability scanning and result collecting step of performing for the multiple heterogeneous vulnerability scanners to scan, to collect a result thereof, and to store the same in a database and a scanning result integrative analysis step of performing a relevance analysis and an integrative analysis on the scanning results collected, thereby obtaining a complementary vulnerability scanning utilizing multiple heterogeneous vulnerability scanners, enhancing the accuracy and the comprehension of the scanning results, and obtaining a comprehensive vulnerability analysis on a network.
Owner:KOREA INTERNET & SECURITY AGENCY
Gas chromatograph and expired air component analyzer
InactiveUS20050160790A1Reliable analysisStable outputAnalysing fluids using sonic/ultrasonic/infrasonic wavesComponent separationBuffer tankGas composition
A gas chromatograph having the capability of performing a reliable measurement under a condition that the baseline of a detector output is stabilized, and a breath component analyzer using the same are provided. This gas chromatograph comprises a gas separation column accommodating a member for causing a flow delay depending on gas component; air pump for supplying an air as a carrier gas into the gas separation column; gas supply port formed in a gas flow channel extending between the air pump and the gas separation column, and adapted to supply a subject gas containing a target gas component to be detected into the carrier gas flowing in the gas flow channel; buffer tank provided upstream of the gas supply port; and a detector for detecting the gas component of the subject gas supplied into the gas separation column.
Owner:FIDELITY NATIONAL INFORMATION SERVICES
Vehicle road load emulation method
InactiveCN101510230AAvoid the difficulty of determining the force relationshipAvoid undetermined difficultiesSpecial data processing applicationsElement modelModularity
The invention provides a vehicle road load simulation method which comprises the following steps of: 1) complete vehicle modular modeling; 2) complete vehicle modular model validation; 3) complete vehicle model assembly; 4) complete vehicle model validation; 5) establishment of finite element models of enhanced durable roads; 6) model initialization; 7) obtaining of virtual road load result; and 8) comparative validation with physical road load. The invention has the advantages of shortening development time and reducing costs, which is of great significance to vehicle development during the conceptual design phase. During the conceptual design phase of new models, fatigue analysis can be carried out before the design and manufacture process by using a virtual prototype to predict road load so as to truly predict the life of the product, thus greatly reducing great expenses caused by producing prototype machines and testing the fatigue life.
Owner:TONGJI UNIV
Sedimentary formation unit-based seismic facies analysis method
ActiveCN102053270AImprove analysis accuracyClear geological significanceSeismic signal processingLithologySeismic attribute
The invention belongs to the technical field of oil gas and coal-bed gas seismic exploration and development, and in particular relates to a reservoir sedimentary evolution analysis method in the exploration and development process. The method is used for providing reliable basic data for optimizing favorable target bed series and zone for oil gas and coal-bed gas exploration and development. In the method, sedimentary characteristics of reservoirs are analyzed by a three-dimensional seismic attribute data body, and high-resolution sequence stratigraphic principle and method, a seismic attribute analysis method and a pattern recognition method are applied; and a K-mean clustering algorithm is adopted, and the analysis process of sedimentary characteristics and sedimentary evolution of a sedimentary formation unit is performed under the control of a sedimentary isochronous interface. The method is used for assisting in reservoir sedimentary evolution research work in the exploration and development process of oil gas including unconventional oil gas, guiding the description of sedimentary characteristics of fine reservoirs of lithologic and stratigraphic trapped oil gas reservoirs, and providing the reliable basic data for optimizing the favorable target bed series and zone for the oil gas and coal-bed gas exploration and development.
Owner:CHINA PETROLEUM & CHEM CORP +1
Public bank big data service platform based on openstack
ActiveCN104767813AImprove computing efficiencyImprove analysis accuracyTransmissionSpecial data processing applicationsData platformEngineering
The invention discloses a public bank big data service platform based on openstack. The public bank big data service platform comprises a cloud foundation platform, a data platform, an analysis platform and an application layer. A user transmits data to the data platform, the analysis platform performs analysis and mining on the data of the data platform through the cloud foundation platform, and the application layer applies the data of the analysis platform through the cloud foundation platform. The public bank big data service platform can be widely applied to a government, an enterprise and various social organizations, and successful implementation of a project will have an active effect on promoting implementation of the smart city strategy in China.
Owner:江苏国盾科技实业有限责任公司
Fault diagnosis method and apparatus for rolling bearing
ActiveCN105547698AOK automaticallyQuick fixMachine bearings testingFrequency spectrumFrequency conversion
The embodiments of the invention provide a fault diagnosis method and apparatus for a rolling bearing. The fault diagnosis method for the rolling bearing comprises the following steps: acquiring vibration signals of the rolling bearing, and solving a time-frequency spectrum of the vibration signals; according to the time-frequency spectrum, determining an optimal order component of the vibration signals; according to the optimal order component, performing angle re-sampling on the vibration signals to obtain angle domain signals; and performing envelope analyzing on the angle domain signals, and determining fault positions of the rolling bearing, wherein determination of the optimal order component comprises: setting an equivalent frequency conversion scope and searching for all order components from the time-frequency spectrum; and calculating order energy of the order components and determining the optimal order component from the equivalent frequency conversion scope. The fault diagnosis method and apparatus for the rolling bearing realize automatic and rapid determination of the optimal order component so as to provide a basis for fault diagnosis of the rolling bearing, improve the fault diagnosis accuracy and avoid interference of manual factors.
Owner:XINJIANG GOLDWIND SCI & TECH
Novel full-automatic blood type analyzer
InactiveCN101865927ARealize fully automated circulating blood group analysisHigh degree of automationBiological testingImage recordingGroup A - blood
The invention provides a novel full-automatic blood type analyzer, which comprises a sample disk subsystem, a reagent sampling subsystem, a reagent distribution subsystem, a reaction disk subsystem, a blowing mixing subsystem, a digital image recording and analyzing subsystem, a reaction cup cleaning subsystem, a computer control subsystem and a software management system, wherein the subsystems are arranged on an analyzer main frame and can perform automatic sample acquisition, and blood type analysis, recording and management respectively; the sample disk subsystem, the reagent sampling subsystem, the reagent distribution subsystem, the reaction disk subsystem, the blowing mixing subsystem, the digital image recording and analyzing subsystem and the reaction cup cleaning subsystem are connected with the computer control subsystem respectively; and a software management system and a digital image recording and analyzing program are stored in a master control computer of the computer control subsystem. The novel full-automatic blood type analyzer has the characteristics of high degree of automation, high detection speed, stable performance, high analysis accuracy, low cost and application to medical establishment.
Owner:武汉医尔特科技有限公司
Golf swing analysis method
InactiveUS20100323805A1Improve analysis accuracyGymnastic exercisingDigital computer detailsEngineeringAnalysis method
A swing analysis method of the present invention includes steps of: preparing a radio type acceleration measuring device 4 capable of measuring respective accelerations in three axis directions; mounting the acceleration measuring device 4 to a golf player's body t1; receiving measured data from the acceleration measuring device 4 during a swing through radio communication; and analyzing a golf swing based on the acceleration data. Preferably, the acceleration measuring device is attached to each of two or more portions of the tester t1. Preferably, an attached position of the acceleration measuring device is any part selected from the group consisting of a head, a neck, a shoulder, a back, a waist and a wrist. Preferably, a weight of the acceleration measuring device is equal to or more than 10 g.
Owner:SUMITOMO RUBBER IND LTD +1
Method of quickly segmenting moving target in non-restrictive scene based on full convolution network
ActiveCN106296728AOvercoming the disadvantages of incomplete target segmentationUnlimited sizeImage enhancementImage analysisGround truthSample image
The invention relates to a method of quickly segmenting a moving target in a non-restrictive scene based on a full convolution network, which belongs to the technical field of video object segmentation. The method comprises steps: firstly, framing is carried out on the video, and a result after framing is used for making a Ground Truth set S for a sample image; a full convolution neural network trained through a PASCAL VOC standard library is adopted to predict a target in each frame of the video, a deep feature estimator for an image foreground target is acquired, target maximum intra-class likelihood mapping information in all frames is obtained hereby, and initial prediction on the foreground and the background in the video frames is realized; and then, through a Markov random field, deep feature estimators for the foreground and the background are refined, and thus, segmentation on the video foreground moving target in the non-restrictive scene video can be realized. The information of the moving target can be effectively acquired, high-efficiency and accurate segmentation on the moving target can be realized, and the analysis precision of the video foreground-background information is improved.
Owner:KUNMING UNIV OF SCI & TECH
Method and apparatus for analyzing streaked pattern image
ActiveUS7333641B2Appropriately distortionImprove accuracyImage analysisMatching and classificationPattern recognitionDistortion
A streaked pattern image analyzing apparatus for use in an analysis of a fingerprint and the like for aiding in the identification as to whether or not an applied first streaked pattern image matches a second streaked pattern image. The apparatus comprises an image distortion modification unit for modifying data on one of the first streaked pattern image and the second streaked pattern image such that a point on a first streaked pattern image which resides on a skeleton thinned from a streak of the streaked pattern image and having a corresponding point on the second streaked pattern image is brought closer to a point on a skeleton of the second streaked pattern image corresponding to the point, and an image display unit for displaying the streaked pattern image modified by the image distortion modifying unit and the other streaked pattern image.
Owner:NEC CORP
System for sorting blocky solid construction waste on basis of multiple detection modes
The invention discloses a system for sorting blocky solid construction waste on the basis of multiple detection modes. The system is provided with one or more sorting units. Each sorting unit comprises a detection and recognition part, a jet part, a sorting part and a real-time detection and control system. Each detection and recognition part is provided with a sensor array and a conveying belt. Each sensor array comprises various sensor components located above and below the corresponding conveying belt. Each real-time detection and control system is used for achieving signal processing of the corresponding sensor array and controlling the corresponding conveying belt and high-pressure air pumps of the corresponding jet part. By judging object physical and chemical properties obtained after signal processing, the construction waste is selectively jetted into different sorting boxes through high-pressure air guns. The construction waste which is subjected to mechanical sorting (involving primary smashing and screening) and has the similar density is differentiated through spectroscopy and a plurality of other physical and chemical characteristic parameters, in this way, sorting of the solid construction waste is achieved. The system has high analytical precision, cost performance and efficiency and is easy to maintain.
Owner:QUANZHOU INST OF EQUIP MFG
Statistics distributed gamma or X ray energy spectrum unscrambling method
InactiveCN102608649AImprove analysis accuracySimplify the spectrum analysis processX-ray spectral distribution measurementX-rayWorkload
The invention discloses a statistics distributed gamma or X ray energy spectrum unscrambling method which solves the problems of poor generality, large workload and poor precision of the traditional method. According to the invention, aiming at a Gaussian part in a gamma or X ray full-energy peak, a plurality of parameters with respective physical significances, which are obtained according to gamma or X ray detection characteristics are established, and solution processes of the parameters are illustrated. The statistics distributed gamma or X ray energy spectrum unscrambling method is technically characterized in that under the condition of stable or unchangeable simulation conditions of a gamma or X ray detector, the parameters are figured out once, and energy spectrum fitting can be carried out form a long time by using the parameters, so that the unscrambling realizing process is simplified and universalized, the defects of variable parameters and insufficient significance in the traditional energy spectrum fitting function or simulation energy spectrum widening function unscrambling method are avoided, and the analysis speed and the analysis precision of gamma or X ray energy spectrum analysis are improved.
Owner:CHENGDU UNIVERSITY OF TECHNOLOGY
Method for detecting harmonic waves of electric system based on window and interpolated FFT
InactiveCN101701982AImprove analysis accuracyImprove reliabilitySpectral/fourier analysisPower system harmonicsFrequency spectrum
The invention discloses a method for detecting harmonic waves of an electric system based on window and interpolated FFT. The method comprises the following steps of obtaining sampling data of detected signals by an analog to digital converter, carrying out an operation of adding Hanning window FFT on the sampling data, searching a peak and an adjacent secondary peak of a spectral line to obtain an interpolation coefficient of a fundamental wave, obtaining the interpolation coefficient of each level of harmonic wave by the interpolation coefficient of the fundamental wave, eliminating the interference of the fundamental wave frequency spectrum to the adjacent harmonic wave frequency spectrum to modify the spectral line of the harmonic wave, and finally obtaining the frequency, the amplitude value and the phase of the fundamental wave and each level of harmonic wave by an interpolation operation. The invention firstly puts forwards that a real spectral line of the harmonic wave can be obtained by eliminating the interference of the fundamental wave frequency spectrum to the adjacent harmonic wave frequency spectrum in the Hanning window FFT spectral line. The scheme of the invention has the advantages of providing the method for detecting the window interpolated FFT harmonic wave with a small calculation amount and high analyzing precision.
Owner:ZHEJIANG UNIV
Electrocardiogram data analysis method and system
ActiveCN105411567AExact secondary analysisImprove work efficiencyDiagnostic signal processingSensorsMedical equipmentElectrocardiogram analysis
The invention discloses an electrocardiogram data analysis method and system, and relates to the field of medical equipment. The method comprises the following steps: by collecting human body electrocardiogram data by virtue of a plurality of leads, acquiring and saving the electrocardiogram data collected by the plurality of the leads within N hours; selecting one of the plurality of the leads, with the minimum interference, as an analysis lead, and analyzing the electrocardiogram data collected by the analysis lead, so as to obtain electrocardiogram waveforms and an electrocardiogram form report within the N hours; examining the electrocardiogram waveforms which are obtained by analyzing the electrocardiogram data collected by the analysis lead to find out the electrocardiogram waveform with waveform quality nonconforming to requirement as well as a corresponding time period; and replacing the electrocardiogram form report with the waveform quality nonconforming to the requirement with the corresponding electrocardiogram form report of the electrocardiogram data collected by other leads within the time period, so that an electrocardiogram form report with analysis precision improved is obtained. The analysis method and the analysis system disclosed by the invention can improve the precision of a dynamic electrocardiogram analysis result.
Owner:北京世纪今科医疗器械有限公司
Viewing terminal, viewing authorization system, method for authorizing viewing, remote education method, and recorded medium
InactiveUS7500256B1Improve analysis accuracyImprove accuracyAnalogue secracy/subscription systemsBroadcast information monitoringTime informationEntry time
An audiovisual terminal, an audiovisual authentication system, a method of authenticating audiovisual education, a remote education method, and a recording medium readable with the audiovisual terminal, all suitable for authenticating the actual viewing of education programs, especially to authenticate the actual viewing in remote education. Through the audiovisual terminal, a viewer of an audiovisual program enters a confirmation code which is specific to the audiovisual program and is transmitted to a principal who authenticates viewing of the program, and time information corresponding to the viewing confirmation code. The time information corresponding to the viewing confirmation code is typically a time point at which the code is entered. It may also be a time interval calculated, for example, from the entering time. The audiovisual terminal confirms whether the viewer is actually viewing a remote education program. The time information is stored or transmitted in correspondence with a viewing confirmation code.
Owner:BUSINESS BREAKTHROUGH
Method for analyzing and NMO correcting two parameters transformation wave speed
InactiveCN101251604AImprove analysis accuracyMany intermediate linksSeismic signal processingCorrection methodShot point
The invention belongs to a method of processing and explaining the seismic data in the oil exploration field and is a velocity analysis and NMO correction method of two-parameter converted wave. The method comprises the following steps of: extracting CMP gather and conducting conventional overlap velocity analysis to obtain NMO correction velocity of longitudinal waves; extracting CMP gather of converted waves; with the CMP gather data of the converted waves as input data, conducting initial velocity ratio analysis with a formula (A); with the common shot point gather of the converted wave as input data, conducting common conversion points (CCP) position calculation by using the NMO correction velocity of the longitudinal waves and the initial velocity ratio obtained via analysis so as to extract CCP gather; conducting velocity ratio analysis with the formula (A); conducting NMO correction on CCP gather of the converted waves with a formula (B); extracting CCP gather of final converted waves and converted waves overlap.
Owner:中国石油集团西北地质研究所有限公司
Inspecting method, inspecting system, and method for manufacturing electronic devices
InactiveUS7068834B1Increase productionShorten analysis timeImage enhancementImage analysisDisplay deviceImage detection
The present invention has an analyzing unit including an image detection device for producing a plurality of images of a workpiece, a storage for storing detected images produced by the image detection device, and a display having a screen with a first area for displaying a plurality of detected images stored in the storage and a plurality of second areas for classifying the detected images according to features of the detected images, whereby the plurality of detected images are moved on the screen from the first area to selected second areas to classify the plurality of detected images in the second areas.
Owner:HITACHI LTD
Online detection method for torsion vibration signal of automotive power transmission system
InactiveCN101871846AAccurate torsional vibration frequencyAccurate calculation of torsional vibration frequencyVibration measurement in solidsVehicle testingElectric power transmissionVibration control
Owner:TSINGHUA UNIV
A method for rapid and non-destructive analysis of nutritional quality of whole cottonseed based on near-infrared spectroscopy
InactiveCN102279168AEliminate distractionsImprove signal-to-noise ratioColor/spectral properties measurementsNondestructive analysisNutrition
The invention provides a novel fast and non-destructive analysis method for the nutritional quality of cottonseed. The method comprises the following steps: 1) selecting whole cottonseeds of representative cotton varieties as experimental samples; 2) using a near-infrared spectrometer to collect near-infrared spectral data of whole cottonseeds, and the spectral scanning range is 800-2500nm; 3) using the national standard method Accurately analyze the nutritional quality of cottonseed; 4) Preprocess the near-infrared spectrum data; 5) Select spectral variables to eliminate non-informative variables; 6) Use the multivariate correction method to establish the near-infrared spectrum of whole cottonseed and the nutritional value of whole cottonseed 7) Performance evaluation of the calibration model; 8) Collect near-infrared spectral data of the whole cottonseed to be tested, and use the calibration model to predict its nutritional quality after preprocessing the spectral data. The invention has fast analysis speed, does not destroy samples, does not require sample pretreatment, has high detection accuracy, and can analyze various nutritional quality components in cotton seeds at the same time, and provides a convenient, fast and efficient analysis method for cotton breeding and cotton seed inspection.
Owner:ZHEJIANG UNIV
Harmonic analysis method
ActiveCN102393488APhase Angle Error ImprovementImprove analysis accuracySpectral/fourier analysisPower qualityHarmonic analysis
The invention discloses a high-precision harmonic analysis method improved on the basis of quasi-synchronous discrete Fourier transformation (DFT). The method comprises the step: changing the position of a frequency domain sample according to the drift of signal frequency when harmonic analysis is performed by applying the quasi-synchronous DFT, wherein the position of the frequency domain sample is mu2pi / N, and mu is the drift of the signal frequency, and mu is equal to 1 when the signal frequency does not have the drift. The harmonic analysis method disclosed by the invention comprises thinking: a variable barrier, i.e. the position of the frequency domain sample is changed according to the drift of the signal frequency when the harmonic analysis is performed. The technology disclosed by the invention is beneficial to more accurately obtaining the information, such as the amplitudes, the initial phase angles, the frequencies and the like of all harmonics in the fields of applying the harmonic analysis, such as the fields of power quality monitoring, electronic product production inspection, electric equipment monitoring and the like.
Owner:路亚科消防车辆制造有限公司
Method for Absolute Quantification of Polypeptides
InactiveUS20100173786A1Reduce yieldHigh yieldPeptide librariesMicrobiological testing/measurementAbsolute quantificationBiology
Owner:INST NAT DE LA SANTE & DE LA RECHERCHE MEDICALE (INSERM) +1
Operating method of resistive current on-line monitoring system of metal oxide arrester (MOA)
ActiveCN102435815APhase Angle Error ImprovementImprove analysis accuracyCurrent/voltage measurementElectrical testingWave parameterHarmonic analysis
The invention discloses an operating method of a resistive current on-line monitoring system of a metal oxide arrester (MOA). Fundamental wave parameters of a resistive leakage current of the MOA are usually obtained according to a projection method. The method comprises the following steps of: sampling an electric network voltage and an MOA leakage current signal at the same time; acquiring a fundamental wave amplitude value and an initial phase angle of the electric network voltage by using a quasi-synchronization discrete Fourier transformation (DFT) harmonic analysis technology of a variable fence; acquiring the fundamental wave amplitude value and the initial phase angle of the MOA leakage current by using the quasi-synchronization DFT harmonic analysis technology of the variable fence; acquiring a projection angle of a fundamental wave of the leakage current on the fundamental wave of the electric network voltage according to the projection method; and acquiring the fundamental wave of the resistive leakage current of the MOA, and outputting and displaying the fundamental wave. By adoption of the operating method of the resistive current on-line monitoring system of the MOA, the analysis error of the quasi-synchronization DFT harmonic analysis technology is effectively avoided, and a high-accuracy harmonic analysis result is obtained, so that the reliability in test of the resistive current of the MOA based on a harmonic analysis theory is improved.
Owner:路亚科消防车辆制造有限公司
Synthetic aperture radar (SAR) image change detection difference chart generation method based on contourlet transform
InactiveCN102800074AHigh false positive rateEnhanced change areaImage enhancementImage analysisSynthetic aperture radarContourlet
The invention discloses a synthetic aperture radar (SAR) image change detection difference chart generation method based on contourlet transform. A realization process mainly comprises the following steps of: firstly, constructing a logarithmic ratio image and a mean ratio image on two SAR images which are preprocessed and obtained at different time and in a same region; generating corresponding Contourlet coefficients by Contourlet transform processing; respectively calculating the coefficients of the two images in a high-frequency mode and a low-frequency mode according to different fusion rules; performing inverse Contourlet transform on the fused Contourlet coefficients to generate a change difference chart. The different characteristics of high frequency and low frequency are respectively extracted by the mean ratio image and the logarithmic ratio image, and complementation information of the source images is fully utilized by the image fusion based on the Contourlet transform, so that the SAR image change detection can have a better result, the detection error ratio is low, the image noise is inhibited, and the analysis precision is improved. Compared with other difference chart generation methods, the method disclosed by the invention is high in noise inhibition and good in edge maintenance, and can reserve change information to the maximum extent.
Owner:XIDIAN UNIV
Method for analyzing financial stock market trend
InactiveUS20070168269A1Improve accuracyPromote investor 's profitFinanceData miningIntermediate term
Owner:CHUO KUO YU
Quantitative sampler of pathogens in exhaled air
ActiveUS20100159575A1Improve sampling convenienceImprove analysis accuracyBioreactor/fermenter combinationsBiological substance pretreatmentsPathogenGenetic Materials
A quantitative sampler of pathogens in exhaled air is provided. The quantitative sampler includes an air inputting pipe for a sampled individual to blow exhaled air; a check valve unit for preventing the exhaled air from reversely flowing; an aerosol filtering unit having an aerosol filtering material for collecting aerosol particles in the exhaled air; and an air flow meter for measuring if total accumulated volume of the exhaled air reaches a predetermined sampling volume defined as a concentration denominator of exhaled pathogens. The quantitative sampler can be used to collect the aerosol particles, and then moves the aerosol filtering material out of the aerosol filtering unit followed by separating genetic substances in the aerosol particles from the aerosol filter, so that a real-time qPCR can be reacted by using the genetic substances for obtaining a quantitative concentration of the exhaled pathogens.
Owner:KAOHSIUNG MEDICAL UNIVERSITY
Device, method and program for optimization analysis
InactiveUS20060052984A1Improve analysis accuracyImprove efficiencyFinanceNuclear monitoringComputer science
Owner:FUJITSU LTD
Analytical method of multi-source spectrum fusion water quality
InactiveCN101576485AImprove analysis accuracyMeet the needs of on-site rapid analysisColor/spectral properties measurementsFluorescence/phosphorescencePretreatment methodData set
The invention discloses an analytical method of multi-source spectrum fusion water quality. The method takes an ultraviolet / visible absorption spectrum signal and a multi-dimensional fluorescence emission spectrum signal of a water sample to be tested as input, and respectively adopts independent component pretreatment method to extract characteristic signals, remove interference information and obtain characteristic signals of the spectrums. According to the contribution of the characteristic signals of the spectrums to a water quality analyzing model, and aiming at avoiding information hiding, the combined characteristic signal number of the two types of spectrums is determined, the characteristic signals are combined into a spectrum characteristic signal federated data set, and the optimal spectrum configuration combination is solved. Based on an improved support vector machine algorithm, a Boosting method is adopted for modeling, and the optimal spectrum fusion water quality analyzing model is obtained by combining a plurality of modeling results. Based on the spectrum characteristic signal federated data set, the computation model is adopted to compute the comprehensive organic substance pollution index value of the water sample to be tested. The method has the remarkable advantages of high analyzing accuracy, high analysis speed, no pollution of chemical agent, simple operation and maintenance and the like.
Owner:ZHEJIANG UNIV
Method for simultaneously measuring heavy metals with different forms in coal-fired flue gas
InactiveCN103149271ACalculate concentrationSimultaneous measurementWithdrawing sample devicesPreparing sample for investigationPotassiumBottle
The invention provides a method for simultaneously measuring heavy metals with different forms in coal-fired flue gas. The method comprises the steps that coal-fired flue gas samples are collected through a sample collection system; the sample collection system comprises a sampling pipe with a suction nozzle, and a filtering bracket and a cyclone separator arranged in a hot box which are connected in sequence, and absorption bottles arranged in an ice-bath, which are connected in sequence through ducts, wherein a potassium chloride solution is contained in the first, second and third absorption bottles; an acid hydrogen peroxide solution is contained in the fourth and fifth absorption bottles; hydrogen potassium permanganate solution is contained in the sixth and seventh absorption bottles; silica gel is contained in the eighth absorption bottle; absorption liquid samples in all the absorption bottles are subjected to sample recovery after sample collection, and flue gas samples are subjected to sealing storage; absorption liquid samples in all the absorption bottles are subjected to sample digestion; and then all the digested samples are detected, and the concentrations of heavy metals with different forms in the flue gas are calculated according to measured contents of the heavy metals in all the absorption liquid samples.
Owner:CHINESE RES ACAD OF ENVIRONMENTAL SCI
Compositions and articles for detection of analytes exceeding a pre-set threshold
InactiveUS20070134740A1Highly specific and highly sensitive diagnosticImprove analysis accuracyMicrobiological testing/measurementDisease diagnosisBacterial vaginosisAbsorbent material
The present invention provides a bodily fluid-testing composition for the determination and quantification of a specific ion concentration exceeding a pre-set threshold in a tested fluid, in which an ion oppositely charged to the ion in the bodily fluid is used to compete with an indicator reagent in order to compensate for variability in specific binding of the bodily fluid ions. The present invention further provides an article for monitoring of bodily fluids comprising a substrate and an absorbent material for absorbing the bodily fluid. The substrate includes a composition suitable for identification of a specific ion concentration in a tested fluid. The article can be used to indicate the presence of abnormal ammonium concentration in human urine, amniotic fluid leakage, or biogenic secretions associated with bacterial vaginosis, parasite infections, or deficiency of lactobacillus population, without giving a false positive result.
Owner:COMMON SENSE
Rapid detection method and detection device for detecting diseases in tunnel
The invention relates to a rapid detection method and a detection device for detecting diseases in a tunnel. The detection method comprises the steps of: detecting the lining thickness and a back cavity through an acoustic emission and laser vibration measurement technology; detecting the lining strength and compactness through the laser ultrasonic technology; detecting underground water behind the lining by utilizing an infrared temperature detection technology; detecting the degradation degree of surrounding rock behind the lining by using a laser scanning and inversion technology; and determining the position of the disease by using inertial navigation and image registration technologies. The detection device for detecting diseases in the tunnel comprises an acoustic emission and laservibration measurement module, a laser ultrasonic module, an infrared temperature detection module, a surrounding rock parameter inversion module and the like. The device runs once in the tunnel to obtain the disease features such as lining thickness and the cavity at the back of the lining, the underwater, weakening degree, the concrete degree and the compactness of surrounding rock, and comparedwith the existing inspection technology, the rapid detection method and a detection device have the advantages that the detection efficiency and the identification precision are greatly improved, thedisease positioning is more accurate, and the influence on the normal traffic driving is obviously reduced.
Owner:TONGJI UNIV +1
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