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34results about How to "Effectively remove interference" patented technology
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Method for detecting catecholamine in blood plasma by liquid chromatography tandem mass spectrometry
ActiveCN106442837AEffectively remove interferenceEliminate distractionsComponent separationCatecholamineGas chromatography–mass spectrometry
The invention discloses a method for detecting catecholamine in blood plasma by liquid chromatography tandem mass spectrometry. The method comprises the following steps of preparing a standard product, separating by liquid chromatography, detecting by a mass spectrum, drawing a standard curve, and detecting the catecholamine in the blood plasma. The method has the beneficial effects that the catecholamine is detected by innovatively applying a high-flux liquid chromatography tandem triple quadrupole mass spectrograph; protein is precipitated by acetonitrile, dansyl chloride is used for performing derivative reaction, and the liquid chromatography tandem triple quadrupole mass spectrograph is used for detecting after extraction, so that the pretreatment steps are simple, the interference of a matrix in the blood plasma is effectively removed, and the specificity is good; after the derivatization of dansyl chloride, the detection sensitivity is effectively improved; the high-flux liquid chromatography tandem rod mass spectrograph is used for detecting, three types of catecholamine, including dopamine, epinephrine and norepinephrine, in the blood plasma can be quantitatively and accurately detected; the detection time is short, the flux is high, the detection sensitivity is high, the specificity is good, and the cost is low.
Owner:HANGZHOU BAICHEN MEDICAL LAB CO LTD
Resource allocation method for supporting interference removal, and serving cell base station
ActiveUS20150358974A1Effectively remove interferenceImprove reception performanceCriteria allocationDistributed allocationResource blockCell based
One embodiment of the present specification provides a method for resource allocation by a serving cell base station, for supporting interference removal. The resource allocation method may comprise the steps of: determining whether or not UE has an interference removal function; and if the UE has the interference removal function, allocating resource blocks (RB) to the UE through a negotiation with an interfering cell with respect to the allocation of the resource blocks (RB). Herein the resource blocks (RB) of the interfering cell, which are co-located with the resource blocks (RB) according to the negotiation, may be allocated to another UE by the interfering cell without being divided.
Owner:LG ELECTRONICS INC
Upstream noise inhibiting method automatically adapting to noise thresholds in LTE-distributed relay system
ActiveCN106685867AAvoid Lifting DefectsImprove uplink receiving sensitivityLine-faulsts/interference reductionHigh level techniquesDigital signal processingResource block
The invention discloses an upstream noise inhibiting method automatically adapting to noise thresholds in an LTE-distributed relay system. The method comprises the steps of adding a base noise inhibiting module in a baseband digital signal processing unit of a remote unit in the direction of an uplink, getting a sub-band digital signal of each resource block after received an LTE upstream digital baseband signal passes an analysis filter bank, calculating power values of each digital signal in each resource block and a power value of current base noise, and getting an opening threshold and a closing threshold of noise after an automatically adapted noise threshold updates current noise threshold value. Then, calculated digital signal power in each resource block is compared with the noise thresholds in a judgment unit, after which, sub-band signals with low power are set to zero according to a corresponding comparison and judgment method to inhibit the base noise. After noise is inhibited, each sub-band signal in each resource block gets a restructured LTE digital baseline signal through a synthesis filter bank.
Owner:SOUTHEAST UNIV
Determination method for bromo-dioxin in environment sample
ActiveCN104749287AEffectively remove interferenceEliminate distractionsComponent separationGas phaseIsotope
The invention discloses a determination method for bromo-dioxin in an environment sample, particularly relates to determination of the bromo-dioxin in coexistence of polybrominated diphenyl ethers and the bromo-dioxin, and belongs to the field of detection of the bromo-dioxin. The determination method comprises pre-treatment of the sample and instrument analysis. The pre-treatment of the sample comprises Soxhlet extraction-sulfuric acid treatment-purification by multilayered silica gel columns-purification by an active carbon silica gel column-nitrogen blowing concentration; and the determination is as follows: an isotope dilution-high resolution gas chromatography-high resolution mass spectrometry (HRGC-HRMS) is used for determining the test sample. The problems that the polybrominated diphenyl ethers and the bromo-dioxin are difficult to separate when the polybrominated diphenyl ethers and the bromo-dioxin coexist, and the bromo-dioxin is decomposed into the polybrominated diphenyl ethers in the instrument analysis process are solved, so that the method is a high-sensitivity and high-accuracy analysis method for determining the bromo-dioxin in the sample.
Owner:CSD IDEA BEIJING INST OF ENVIRONMENTAL INNOVATION
High-voltage electroscope
InactiveCN104849533AAccurate test resultsEffective filteringCurrent/voltage measurementHigh pressureSignal transition
The invention discloses a high-voltage electroscope. The high-voltage electroscope comprises an electroscope body, the electroscope body is internally provided with a signal acquisition module, a signal processing module, a signal detection and analysis module and a power supply, wherein the signal acquisition module comprises a range finding apparatus and a UV sensor, and the UV sensor is provided with a capacitor, a driving circuit, a rectifier and a filtering instrument; the signal processing module comprises a digital and signal processing apparatus and a signal transmitter, and the digital and signal processing apparatus is provided with a signal converter, a memory, an alarm apparatus, a display apparatus and a humiture gatherer; and the signal detection and analysis module comprises an online detection apparatus and a remote transmission apparatus; and the electroscope body is provided with a switch button, an installation port and an operation handle. The high-voltage electroscope has the following advantage: the UV sensor can convert UV signals into measurable electric signals, can detect a circuit over a long distance, is free from contact with a high-voltage cable or live-line equipment, and is accurate in live part verification result.
Owner:STATE GRID SHANDONG ELECTRIC POWER CO PINGYUAN POWER SUPPLY CO +1
Method for extracting and detecting frisee polyphenols (levan)
ActiveCN102944622AEffective interferenceEffectively remove interferenceComponent separationRoom temperaturePolystyrene
The invention belongs to the field of analysis and detection, and relates to a method for extracting and detecting frisee polyphenols (levan). An inventor adopts a GracePure<TM> SPE C18-Max column produced by GRACE Company to filter a sample in the extraction of frisee plant samples. The column can remove the polar matters from a water solution, nearly cannot absorb sugar, and can effectively reduce the detection background. A common HPLC (high performance liquid chromatography) instrument is adopted, but a PREVAIL Carbohydrate ES special sugar column produced by the GRACE Company is adopted and has good sugar separation function. The sugar column is an amino sugar column bonded by polystyrene and divinylbenzene, so the problem of disturbing other amino columns is avoided, the chemical degradation is avoided, and the stability is realized at room temperature and under the gradient elution condition; an ELSD (evaporative light-scattering detector) is used for the sugar detection, and one complete set of extraction and detection flow of the polyphenols (levan) of the frisee plant samples is firstly established.
Owner:NANJING AGRICULTURAL UNIVERSITY
Non-vegetation-covered area airborne LiDAR data echo intensity value correction method
ActiveCN106291505AImprove accuracyImprove use valueWave based measurement systemsPhysicsElevation - value
The invention belongs to the technical field of remote sensing and mapping, and specifically relates to a non-vegetation-covered area airborne LiDAR data echo intensity value correction method. The method includes following steps: performing primary correction of an echo intensity value based on the flying height and the laser point elevation value, and performing homogenization on the influences of the laser transmission distance on the echo intensity value; calculating the tendency angle values of laser points point by point by setting a threshold determination condition and taking the plane distance value, the elevation value and the echo intensity value as references based on LiDAR data after primary correction; and calculating the reflection angle with the combination of the tendency angle and an incidence angle, and performing correction calculation on the echo intensity value of the original LiDAR data again. According to the method, the technical problem of difficult realization of airborne LiDAR data echo intensity value correction of non-vegetation surface features, especially inclined surface features in the prior art is solved, the airborne LiDAR data echo intensity value can better reflect the surface feature media attributes, and the application values thereof in surface feature classification and identification are improved.
Owner:BEIJING RES INST OF URANIUM GEOLOGY
Cell-penetrating peptide and particles thereof coating hydrophobic molecules and preparation method and application of particles
InactiveCN109517071AImprove hydrophobicitySmooth entryPolypeptide with localisation/targeting motifPowder deliveryD-ArginineFluorescence
The invention discloses a cell-penetrating peptide and particles thereof coating hydrophobic molecules and a preparation method and an application of the particles and belongs to the technical field of nano biomaterials. The amino acid sequence of the cell-penetrating peptide is X-Y-(r-R)3-(R)-2, wherein X is a peptide chain with at least three amino acid residues and at most 20 amino acid residues; the amino acids in X are separately selected from phenylalanine, leucine, isoleucine, alanine, tryptophan, proline, methionine or histidine; Y is a peptide chain with at most 20 any amino acid residues; r is D arginine; R is L arginine. The amphipathic cell-penetrating peptide and hydrophobic molecules are co-assembled to be self-assembled to form nanoparticles through the hydrophobic interaction of the noncovalent molecules. The nanoparticles can enable the hydrophobic molecules to penetrate cytomembranes quickly with low cell toxicity into the cells. The nanoparticles have a good application prospect in the fields of cytomembrane fluorescence imaging, time resolution imaging, hydrophobic drug coating and the like.
Owner:HUAZHONG UNIV OF SCI & TECH
Gas detection method used for infrared gas analyzer
InactiveCN102128806ACompensation for drift errorEffectively remove interferenceColor/spectral properties measurementsEngineeringAtmospheric pressure
The invention discloses a gas detection method used for an infrared gas analyzer. The method comprises the following steps of: acquiring a flow difference signal measured by the infrared gas analyzer, and carrying out analog-to-digital conversion on the flow signal to obtain a digital flow difference signal; sequentially carrying out digital filtering, temperature compensating and pressure compensating on the flow difference signal to respectively eliminate interferences of interference component gases in a gas to be detected, ambient temperature and air pressure to obtain the flow difference signal; and carrying out nonlinear processing on the processed flow difference signal according to a Beer law, and calculating to obtain the concentration value of a measured component in the gas to be detected. By adopting the method disclosed by the invention, interferences of the interference component gases in the gas to be detected, the ambient temperature and the air pressure in the infrared gas analyzer can be effectively eliminated, drift error of hardware is compensated, and a high-accuracy concentration value of the measured component in the gas to be detected is obtained by calculation.
Owner:深圳市赛宝伦科技有限公司
Method for detecting residual quantity of dibromochloropropane and 1, 3-dichloropropene in vegetables and fruits by gas chromatography-mass spectrometry
PendingCN111983078AThe pre-processing process is simpleEffective interferenceComponent separationBiotechnologyMass Spectrometry-Mass Spectrometry
The invention discloses a method for detecting residual quantity of dibromochloropropane and 1, 3-dichloropropene in vegetables and fruits by gas chromatography-mass spectrometry. The method comprisesthe following steps: pretreatment, headspace (HS) sample introduction, GC-MS / MS (Gas Chromatography-Mass Spectrometry-Mass Spectrometry) determination and quantification by an external standard method. According to the method, the detection limit of dibromochloropropane is as low as 0.4 mu g / kg, the recovery rate is 87.08%-104.86%, and the RSD value is 5.28%-8.29%; the detection limit of 1, 3-dichloropropene is as low as 2 mu g / kg, the recovery rates of cis / trans isomers are 88.82%-119.45% and 87.20%-116.55% respectively, and the RSD values are 3.49%-8.14% and 1.15%-9.72% respectively. The method is easy to operate, environment-friendly, high in sensitivity and good in reproducibility.
Owner:山东寿光检测集团有限公司
Method for detecting patulin in apple juice
ActiveCN111289637AImprove adsorption capacityImprove accuracyComponent separationBiotechnologyInternal standard
The invention belongs to the technical field of patulin detection, and relates to a method for detecting patulin in apple juice. The method comprises the following steps: uniformly mixing apple juiceto be detected with a patulin isotope internal standard, and carrying out solid-liquid separation to obtain clarified apple juice containing the internal standard; pretreating the clarified apple juice containing the internal standard by using a quaternary amine polymer solid-phase extraction column to obtain a sample to be detected; preparing patulin standard working solutions that have differentconcentrations and contain the patulin isotope internal standards; carrying out UPLC-ID-MS / MS detection on the sample to be detected and the patulin standard working solutions with different concentrations to obtain mass spectrogram peak areas corresponding to the sample to be detected and the patulin standard working solutions with different concentrations; making a standard curve; and calculating the content of patulin in the sample to be detected according to the standard curve and the peak area of the mass spectrogram corresponding to the sample to be detected so as to obtain the contentof patulin in the apple juice to be detected. The method enables the detection accuracy and sensitivity of patulin in apple juice to be improved.
Owner:NAT INST OF METROLOGY CHINA
Variable speed gear fault signal extraction method, diagnosis method and system based on adaptive time-varying comb filtering, and storage medium
ActiveCN113074941AOvercoming Modal Confusion IssuesImprove adaptabilityMachine part testingWind energy generationSignal extractionControl engineering
The invention discloses a variable speed gear fault signal extraction method, diagnosis method and system based on adaptive time-varying comb filtering, and a storage medium. The diagnosis method comprises the following steps of acquiring a gear vibration signal and a rotating speed signal under a variable rotating speed, performing time-varying comb filtering on the gear vibration signal by using an adaptive time-varying comb filter to obtain a time-varying comb filtering signal, performing equal-angle resampling on the time-varying comb filtering signal according to the rotating speed signal to obtain an angular domain resampling signal, and performing spectral analysis on the angular domain resampling signal to obtain an order spectrum, and diagnosing the gear fault under the variable rotation speed according to the modulation side frequency order around the meshing order in the order spectrum. According to the method, the gear meshing vibration frequency component and the modulation side frequency component containing the gear fault information under the variable rotating speed are accurately extracted, meanwhile, interference of other signal components is removed, and the gear fault characteristics under the variable rotating speed can be effectively highlighted.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
Shared frequency transmitter
InactiveUS20060050811A1Effectively remove interferenceImprove efficiencySpatial transmit diversityModulated-carrier systemsCommunications systemTransmitter
A shared frequency transmitter for use in a network environment where transmitters and receivers of plural radio communication systems in which the same frequency is used exist is disclosed. The shared frequency transmitter includes (a) a communicating unit configured to detect peripheral transmitters existing in a peripheral area, and to exchange information with the detected peripheral transmitters; and (b) a signal generating unit configured to generate a transmit signal by applying an interference cancellation technique based on the information obtained through the exchange of information.
Owner:NTT DOCOMO INC
Anti-heparin stable alpha-L-fucosidase detection kit and application thereof
ActiveCN112986164AEffectively remove interferenceEliminate distractionsColor/spectral properties measurementsGlycosideActive agent
The invention relates to the technical field of detection reagents, in particular to an anti-heparin stable alpha-L-fucosidase detection kit and application thereof. The kit comprises 0.03-0.1 g / L of streptomycin sulfate, 50-500 mmol / L of a buffer solution, 0.1-3 g / L of a substrate, 1-50 g / L of a surfactant, 0.001-0.1 g / L of a stabilizer and 0.3-3 g / L of a preservative; and the substrate is prepared from 2-chloro-p-nitrophenol-alpha-L-fucoside or M-G-2-chloro-p-nitrophenol-alpha-L-fucoside. Streptomycin sulfate with proper concentration is added into the alpha-L-fucosidase detection reagent, so that interference of heparin in a sample is effectively removed, and the problem that an AFU single reagent is not resistant to heparin is solved.
Owner:上海执诚生物科技有限公司
Method for the determination of brominated dioxins in environmental samples
ActiveCN104749287BEffectively remove interferenceEliminate distractionsComponent separationDiphenyl etherActivated carbon
Owner:CSD IDEA BEIJING INST OF ENVIRONMENTAL INNOVATION
Method and system detecting cloth of sewing machine
ActiveCN110749939AShorten the timeAccurate sensing of light intensityProgramme-controlled sewing machinesOptical detectionChemistryEngineering
The invention discloses a method and a system detecting cloth of a sewing machine. The method includes the steps of: when an infrared-emitting diode oppositely projecting to an infrared photosensitivediode in an infrared light receiving circuit is started, receiving a first sampling signal sent by the infrared light receiving circuit; when the infrared-emitting diode is shut, receiving a second sampling signal sent by the infrared light receiving circuit; generating first infrared light energy corresponding to the first sampling signal and second infrared light energy corresponding to the second sampling signal, and calculating a difference between the first infrared light energy and the second infrared light energy; and according to a comparison between the difference and present infrared light energy, determining whether a corresponding position of the infrared photosensitive diode has the cloth. The method and the system provided by the invention may effectively remove interferenceof infrared light in an environment on cloth detection, reduce the time for the cloth detection, and are helpful to control a length of a thread chain when the sewing machine trims a thread; and withthe arrangement of the infrared photosensitive diode, a light intensity may be sensed more accurately, and thus the accuracy for the cloth detection is improved.
Owner:JACK SEWING MASCH CO LTD
A correction method for echo intensity value of airborne lidar data in non-vegetated area
ActiveCN106291505BImprove accuracyImprove use valueWave based measurement systemsEcho intensityFlying height
The invention belongs to the technical field of remote sensing and mapping, and specifically relates to a non-vegetation-covered area airborne LiDAR data echo intensity value correction method. The method includes following steps: performing primary correction of an echo intensity value based on the flying height and the laser point elevation value, and performing homogenization on the influences of the laser transmission distance on the echo intensity value; calculating the tendency angle values of laser points point by point by setting a threshold determination condition and taking the plane distance value, the elevation value and the echo intensity value as references based on LiDAR data after primary correction; and calculating the reflection angle with the combination of the tendency angle and an incidence angle, and performing correction calculation on the echo intensity value of the original LiDAR data again. According to the method, the technical problem of difficult realization of airborne LiDAR data echo intensity value correction of non-vegetation surface features, especially inclined surface features in the prior art is solved, the airborne LiDAR data echo intensity value can better reflect the surface feature media attributes, and the application values thereof in surface feature classification and identification are improved.
Owner:BEIJING RES INST OF URANIUM GEOLOGY
A high voltage electroscope
InactiveCN104849533BAccurate test resultsEffective filteringCurrent/voltage measurementHigh pressureSignal transition
The invention discloses a high-voltage electroscope. The high-voltage electroscope comprises an electroscope body, the electroscope body is internally provided with a signal acquisition module, a signal processing module, a signal detection and analysis module and a power supply, wherein the signal acquisition module comprises a range finding apparatus and a UV sensor, and the UV sensor is provided with a capacitor, a driving circuit, a rectifier and a filtering instrument; the signal processing module comprises a digital and signal processing apparatus and a signal transmitter, and the digital and signal processing apparatus is provided with a signal converter, a memory, an alarm apparatus, a display apparatus and a humiture gatherer; and the signal detection and analysis module comprises an online detection apparatus and a remote transmission apparatus; and the electroscope body is provided with a switch button, an installation port and an operation handle. The high-voltage electroscope has the following advantage: the UV sensor can convert UV signals into measurable electric signals, can detect a circuit over a long distance, is free from contact with a high-voltage cable or live-line equipment, and is accurate in live part verification result.
Owner:STATE GRID SHANDONG ELECTRIC POWER CO PINGYUAN POWER SUPPLY CO +1
M2 group-based candidate causal mutation site gene localization method
ActiveCN113130005ARobust and fast candidate gene mappingShorten the timeMicrobiological testing/measurementProteomicsMutant alleleWild type
The invention belongs to the technical field of bioinformatics and biology, and particularly relates to a candidate causal mutation site gene localization method based on an M2 group. According to the method provided by the invention, positioning of candidate causal mutation sites is accelerated by only researching the M2 generation, and background variation can be effectively removed through mutual comparison among M2 groups in the M2-seq under the condition that wild type variation information of a mutant plant is not known. In addition, signal interference caused by rejection linkage of adjacent mutant alleles can be effectively removed by using the absolute value of the [delta]SNP index, so that causal mutation in a target gene can be identified favorably.
Owner:NORTHEAST INST OF GEOGRAPHY & AGRIECOLOGY C A S
Quantitative detection method for <14>C in urine
PendingCN113188863AEffectively remove interferenceEliminate distractionsMaterial analysis using wave/particle radiationPreparing sample for investigationPotassium persulfateChloride
The invention discloses a quantitative detection method for <14>C in urine, which belongs to the technical field of radiohygiene. The method comprises the following steps of (1) measuring a certain volume of urine sample, adding potassium persulfate, heating, stirring, converting organic carbon and inorganic carbon in the urine sample into carbon dioxide, purging the generated carbon dioxide through carrier gas, and absorbing with alkali liquor, and (2) adjusting the pH value of the absorption liquid with ammonium chloride, adding a saturated calcium chloride solution to generate calcium carbonate precipitate, standing, carrying out suction filtration, and drying, and (3) grinding the prepared calcium carbonate precipitate powder into powder by using a mortar, weighing a proper amount of powder, and carrying out <14>C activity measurement by using a liquid scintillation counter. The method provided by the invention has the advantages of high accuracy, high recovery rate and stable detection result, and can meet the analysis of the activity concentration of <14>C in the urine sample.
Owner:国家卫生健康委职业安全卫生研究中心
Method for extracting and detecting frisee polyphenols (levan)
ActiveCN102944622BEffective interferenceEffectively remove interferenceComponent separationPolystyreneGradient elution
The invention belongs to the field of analysis and detection, and relates to a method for extracting and detecting frisee polyphenols (levan). An inventor adopts a GracePure<TM> SPE C18-Max column produced by GRACE Company to filter a sample in the extraction of frisee plant samples. The column can remove the polar matters from a water solution, nearly cannot absorb sugar, and can effectively reduce the detection background. A common HPLC (high performance liquid chromatography) instrument is adopted, but a PREVAIL Carbohydrate ES special sugar column produced by the GRACE Company is adopted and has good sugar separation function. The sugar column is an amino sugar column bonded by polystyrene and divinylbenzene, so the problem of disturbing other amino columns is avoided, the chemical degradation is avoided, and the stability is realized at room temperature and under the gradient elution condition; an ELSD (evaporative light-scattering detector) is used for the sugar detection, and one complete set of extraction and detection flow of the polyphenols (levan) of the frisee plant samples is firstly established.
Owner:NANJING AGRICULTURAL UNIVERSITY
Shared frequency transmitter
InactiveUS7937041B2Effectively remove interferenceImprove efficiencyError preventionLine-faulsts/interference reductionCommunications systemEngineering
Owner:NTT DOCOMO INC
Drainage pipeline video data restoration method based on computer vision
ActiveCN112950508AEffectively remove interferenceEliminate distractionsImage enhancementImage analysisNoise (video)Data center
The invention relates to a pipeline video data restoration method based on computer vision. The method comprises the following steps: carrying out gray stretching on a pipeline image and video collected by a pipeline robot; processing noise interference by using smooth filtering; extracting an iron cable in the center of the video image as a template to realize positioning; performing target identification on the video data center by using an SIFT corner detection algorithm; detecting the cables on the left and right sides of the target by using Hough transform; gray coverage being carried out on the iron cable in the center of the video image and the cables on the two sides; and repairing the data by using an FMM image repairing algorithm. The method can effectively restore the video data collected in the pipeline, reduce the processing difficulty of later pipeline data, improve the processing speed and recognition efficiency of later disease images, and is suitable for the field of urban pipeline and industrial pipeline maintenance.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)
An Uplink Noise Suppression Method with Adaptive Noise Threshold in LTE Distributed Relay System
ActiveCN106685867BAvoid Lifting DefectsImprove uplink receiving sensitivityLine-faulsts/interference reductionHigh level techniquesDigital signal processingResource block
The invention discloses an upstream noise inhibiting method automatically adapting to noise thresholds in an LTE-distributed relay system. The method comprises the steps of adding a base noise inhibiting module in a baseband digital signal processing unit of a remote unit in the direction of an uplink, getting a sub-band digital signal of each resource block after received an LTE upstream digital baseband signal passes an analysis filter bank, calculating power values of each digital signal in each resource block and a power value of current base noise, and getting an opening threshold and a closing threshold of noise after an automatically adapted noise threshold updates current noise threshold value. Then, calculated digital signal power in each resource block is compared with the noise thresholds in a judgment unit, after which, sub-band signals with low power are set to zero according to a corresponding comparison and judgment method to inhibit the base noise. After noise is inhibited, each sub-band signal in each resource block gets a restructured LTE digital baseline signal through a synthesis filter bank.
Owner:SOUTHEAST UNIV
Embryo Automatic Recognition Method Based on Image Processing
ActiveCN109409182BQuick checkFast and fully automatic detectionImage enhancementImage analysisPattern recognitionImaging processing
The present invention provides a method for automatic recognition of embryos based on image processing. The method for automatic recognition of embryos based on image processing includes the following steps: (A1) edge detection: preprocessing the image of the embryo to obtain the edge detection result of the image; (A2 ) line segment drawing: the edge end of described edge detection result is fitted as line segment, obtains line segment figure; (A3) arc is synthesized: the line segment in line segment figure is merged into arc; (A4) synthesis of circle and ellipse: described Fitting arcs to circles and ellipses (A5) Removal of pseudo circles and pseudo ellipses: removing pseudo circles and pseudo ellipses from circles and ellipses to obtain embryo recognition results. The invention has the advantages of fast detection, precise positioning, good objectivity of embryo selection and the like.
Owner:CHINA INNOVATION INSTR CO LTD
An image acquisition external trigger signal debounce device
InactiveCN103442184BEffectively remove interferenceEliminate distractionsTelevision system detailsColor television detailsNoise suppressionPulse computation
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA
Shaking eliminating device of image acquisition external triggering signals
InactiveCN103442184AEffectively remove interferenceEliminate distractionsTelevision system detailsColor television detailsNoise suppressionComputer science
The invention discloses a shaking eliminating device of image acquisition external triggering signals, and relates to the technology of industrial control. The shaking eliminating device of the image acquisition external triggering signals aims to reduce the using obstacles of image mosaic equipment caused by shaking. According to the technical scheme, a first input noise suppression circuit and a second input noise suppression circuit are both connected with an input phase detection circuit, and the input phase detection circuit, an input pulse counting circuit and an image acquisition triggering circuit are connected in sequence.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA
A kind of anti-heparin stable α-l-fucosidase detection kit and its application
ActiveCN112986164BEffectively remove interferenceEliminate distractionsColor/spectral properties measurementsGlycosideActive agent
The invention relates to the technical field of detection reagents, in particular to a heparin-resistant and stable α-L-fucosidase detection kit and its application. The kit of the present invention comprises streptomycin sulfate 0.03~0.1g / L, buffer 50~500mmol / L, substrate 0.1~3g / L, surfactant 1~50g / L, stabilizer 0.001~0.1g / L L and preservative 0.3~3g / L; The substrate includes 2-chloro-p-nitrophenol-α-L-fucoside or M-G-2-chloro-p-nitrophenol-α-L-rock Alcosides. The present invention effectively removes the interference of heparin in the sample by adding streptomycin sulfate at an appropriate concentration to the α-L-fucosidase detection reagent, and solves the problem that the AFU single reagent is not resistant to heparin.
Owner:上海执诚生物科技有限公司
Cleaning fluid for pathologic cell sheet preparation technology and using method of cleaning fluid
InactiveCN105505601AEffectively remove interferenceEliminate distractionsOrganic detergent compounding agentsSurface-active detergent compositionsStainingAdhesive
The invention discloses a cleaning fluid for a pathologic cell sheet preparation technology. The cleaning fluid is characterized by comprising the following components in percentage by mass: 0.01 to 0.50 percent of adhesive, 10 to 60 percent of a fixing agent, 0.10 to 1.5 percent of an activator, and the balance of ultrapure water. The invention further discloses a using method of the cleaning fluid for the pathologic cell sheet preparation technology. The cleaning fluid disclosed by the invention is used for treating liquid-based cell sheets, and has the advantages that the microscopically background cleanliness is extremely high, and cells cannot fall and the like; the treated cell sheets can achieve the effects of uniformity, consistency, clear color, clean background, no non-specific staining, and zero sheet falling rate.
Owner:MOTIC XIAMEN MEDICAL DIAGNOSTICS SYST
Method and system for detecting fabric of a sewing machine
ActiveCN110749939BEffectively remove interferenceEliminate distractionsProgramme-controlled sewing machinesOptical detectionLight energyEngineering
Owner:JACK SEWING MASCH CO LTD
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