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30results about How to "Avoid test results" patented technology
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Electronic die cutting material defect detecting implementation method based on machine vision
ActiveCN106770332ARealize the shapeImplement defect identificationOptically investigating flaws/contaminationMaterial defectDimension measurement
The invention discloses an electronic die cutting material defect detecting implementation method based on machine vision. The method comprises the following steps of (a) loading a detection template; (b) transferring a detection object; (c) monitoring through a sensor; (d) capturing an image; (e) identifying an object; (f) processing the image; (g) carrying out binarization processing; (h) carrying out data statistics and detection analysis. The method adopts a non-contact optical sensor system, and adopts a machine to replace human eyes to measure and judge, a system utilizes a CCD (Charge Coupled Device) camera for capturing the image of an objective measuring object, and information such as pixel distribution, brightness and color of the image of the objective measuring object is converted into digital image signals; a project control system operates the signals to extract the characteristics of the measuring object; finally, field equipment is controlled to act according to tolerance and other condition output results so as to meet the core demands on on-line detection of product defects and dimension measurement, so that the measurement precision, the measurement speed, and the reliability under an industrial site environment can be ensured.
Owner:HANGZHOU BYTE INFORMATION TECH CO LTD
Device for testing whole life cycle precision degeneration of RV reducer
The invention discloses a device for testing whole life cycle precision degeneration of an RV reducer. A sliding plate driven by a driving mechanism is arranged on a flat plate. A mounting support isfixed to the sliding plate, a servo motor and the RV reducer to be tested are fixed to the mounting support, and the output end of the servo motor is connected with the input end of the RV reducer. Abearing pedestal support is fixed to the flat plate, a left stand plate and a right stand plate are arranged on the bearing pedestal support, a bearing assembly and a coder are mounted on the left stand plate, an output flange is arranged on the side, close to the RV reducer, of the left stand plate, and after the output flange and the RV reducer are in contact, fixed transmission can be achieved.A loading shaft is mounted on the right stand plate through a bearing assembly, an output flange shaft penetrates through the bearing assembly and a hole in the coder to be connected with one end ofthe loading shaft through a coupler, and the other end of the loading shaft is connected with a loading rod with a balance weight. According to the device, the reducer transmission error in the complete period of a fatigue life experiment can be tracked and tested in real time, and the transmission error of the reducer in the state of bearing variable loads can be tested.
Owner:浙江环动机器人关节科技股份有限公司
Excrement detector and excrement detection method
ActiveCN104049095AEfficient detectionAvoid test resultsMaterial analysisControl systemElectrical control
The invention discloses an excrement detector which comprises a base, a portal frame component, an automatic material supply component, a sample conveying system, a chuck component, a suction disk component, a first liquid feeding device, a second liquid feeding device, a first photographing device, a second photographing device, an identification and recording system, an electrical control system and upper-layer human-machine interaction application software. Under deployment of the control system, the excrement detector is in combined work, so that automatic pushing, sampling, coating, microscopic photographing, occult blood reaction photographing and automatic recycling of a sample are fully automatically implemented; and furthermore, the upper-layer human-machine interaction application software supplies a detection result. The invention also provides an excrement detection method. The excrement detector disclosed by the invention is high in automation degree; manual operation is not needed in a detection process; and cross infection among the samples can be avoided under automatic detection, and the problem that the detection result cannot be matched with a patient can be well solved.
Owner:CMICS MEDICAL INSTR CO LTD
Scan based automatic test pattern generation (ATPG) test circuit, test method using the test circuit, and scan chain reordering method
ActiveUS7343536B2Avoid test resultsElectronic circuit testingSolid-state devicesEngineeringAutomatic test pattern generation
Owner:SAMSUNG ELECTRONICS CO LTD
Generating device, generating method, program and recording medium
InactiveUS7962822B2Reduce the differenceScan capture power dissipation can be thereby suppressedElectronic circuit testingError detection/correctionParallel computingTest vector
A generation apparatus and the like for generating a test vector set capable of reducing differences in a logic value generated before and after a scan capture for outputs from scan cells included in a full-scan sequential circuit are provided. A generation apparatus 200 generating an initial test vector set 216 for a logic circuit includes a target vector identification unit 204 identifying a test vector satisfying a predetermined criterion and to be selected for the number of bits (the number of bit transitions) whose logic values differ before and after scan capture with respect to outputs from scan cells included in the sequential circuit, from among test vectors in the initial test vector set 216, and a test vector set conversion unit 206 converting the test vector identified by the test vector identification unit 204 and to be selected so as to reduce the number of bit transitions with respect to outputs from the scan cells included in the sequential circuit.
Owner:JAPAN SCI & TECH CORP +2
Generating device, generating method, program and recording medium
InactiveUS20090019327A1Reduce differenceReduce rateElectronic circuit testingLogical operation testingLogical circuitTest vector
A generation apparatus and the like for generating a test vector set capable of reducing differences in a logic value generated before and after a scan capture for outputs from scan cells included in a full-scan sequential circuit are provided. A generation apparatus 200 generating an initial test vector set 216 for a logic circuit includes a target vector identification unit 204 identifying a test vector satisfying a predetermined criterion and to be selected for the number of bits (the number of bit transitions) whose logic values differ before and after scan capture with respect to outputs from scan cells included in the sequential circuit, from among test vectors in the initial test vector set 216, and a test vector set conversion unit 206 converting the test vector identified by the test vector identification unit 204 and to be selected so as to reduce the number of bit transitions with respect to outputs from the scan cells included in the sequential circuit.
Owner:JAPAN SCI & TECH CORP +2
Method for detecting live enterohemorrhagic escherichia coli O157: H7
InactiveCN103224977AAvoid test resultsStrong specificityMicrobiological testing/measurementMicroorganism based processesPropidium monoazideFood borne
The invention discloses a method for detecting live enterohemorrhagic escherichia coli O157: H7. The method solves the problem that the existing real-time fluorescence PCR technology cannot effectively distinguish live or dead enterohemorrhagic escherichia coli thereby leading to overestimation of a pathogenic bacterium risk. The method comprises the following steps of pre-treating a liquid sample needing to be detected, adding propidium monoazide (PMA) into the pre-treated liquid sample, controlling a PMA final concentration to 15-20 micrograms per milliliter, carrying out incubation in the dark at a normal temperature, carrying out halogen tungsten lamp radiation treatment, extracting a genome DNA of the treated sample, utilizing the extracted sample genome DNA as a template, carrying out real-time fluorescence PCR quantitative detection of object enterohemorrhagic escherichia coli in the sample, wherein primers and fluorescent label probes used by the real-time fluorescence PCR quantitative detection are shown in the formula of SEQ ID NO.1. The method has short operation time of about 1.5h and can be widely used in the field of food-borne pathogenic bacterium detection.
Owner:SOUTH CHINA UNIV OF TECH
Safe and active image tampering detection method and device
ActiveCN104935783AIntegrity guaranteedAvoid False Detection ResultsTransmissionPictoral communicationPattern recognitionImage integrity
The embodiment of the present invention discloses a safe and active image tampering detection method and device. The method comprises: sending end equipment obtaining a first image, generating a random value of which the length is a second numerical value, obtaining a pre-configured fixed value of which the length is a third numerical value, and using the random value and the fixed value for generating a specified type character string of which the length is a first numerical value; performing Hash operation on the first image and the specified type character string by using an information digest algorithm to obtain a first information digest value; performing encryption processing on the specified type character string by using an encryption algorithm to obtain an encrypted specified type character string; adding the first information digest value and the encrypted specified type character string to the first image for obtaining a second image; sending the second image to receiving end equipment; and the receiving end equipment using the first information digest value and the encrypted specified type character string for detecting whether the first image is tampered or not. In the embodiment of the present invention, the image integrity and the image authenticity in the process of obtaining evidence for the images are ensured.
Owner:BEIJING UNIV OF POSTS & TELECOMM
microchip
InactiveUS20140186214A1Highly analysis resultHighly reliable testDispersed particle separationLaboratory glasswaresEngineering
Owner:HORIBA LTD
Raw milk purchasing quality safety management control system
The invention provides a raw milk purchasing quality safety management control system which comprises data of each milk producer in a milking station, data information of milk cows owned by each milk producer, detailed test data of milk sample of each raw milk tank vehicle every day, raw milk purchasing information every day, allocation condition of raw milk, log-on system of a computer, a host interface of the system, test system, a receipt report automatically generated by the system, and leader searching. The raw milk purchasing quality safety management control system uses an electronic computer, software and network communication technology to acquire, store, process and analyze the information in the whole business process of enterprise production. The log-on system is a channel for entering the system. The host interface of the system points out a link requiring entering. The test system is a main link to test whether the raw milk is qualified or not. The system automatically generates the receipt report, a milk source department purchases milk according to the report, a milk collection worktable collects milk according to a list, and the milk out of the list is unqualified milk and is incapable of being purchased. In the leader searching, a leader can log in the system to search detailed milk source conditions so as to ensure the raw milk purchasing quality safety.
Owner:山西古城乳业集团有限公司
Intelligent sorting equipment for agricultural product grading and using method thereof
ActiveCN112495819AAvoid human subjective evaluationImprove sorting efficiencySortingMachine visionRobotic arm
The invention discloses intelligent sorting equipment for agricultural product grading and a using method thereof. The intelligent sorting equipment for agricultural product grading comprises a feeding device, a conveyor belt, a plurality of visual detection devices, a sorting device and a control device, wherein the feeding device moves feeding trays to the conveyor belt, and every time the feeding device moves a plurality of feeding trays into one group; the plurality of visual detection devices are arranged on the conveyor belt, and each visual detection device is provided with a visual sensor and a camera; the sorting device comprises a plurality of symmetrically arranged mechanical arms, transferring devices connected with the mechanical arms and sorting trays; each transferring device comprises a supporting plate, a sliding rail, a movable block and a connecting rod connected with the movable block, wherein the sliding rail and the movable block are arranged on the supporting plate; one end of the connecting rod is further connected with a grabber; the control device comprises a control box, a control panel, a display screen and control buttons. The equipment meets the stepsof feeding, conveying, visual inspection and transferring, and the sorting efficiency and accuracy are greatly improved by matching the machine vision devices with the mechanical arms.
Owner:SUZHOU POLYTECHNIC INST OF AGRI
Detecting method for limited residual quantity of heavy metals in traditional Chinese medicinal material or traditional Chinese medicinal decoction piece
The invention discloses a detecting method for limited residual quantity of heavy metals in a traditional Chinese medicinal material or a traditional Chinese medicinal decoction piece. The detection is realized by an intelligent detecting system. The detecting method comprises the following steps: S1, detecting information security; S2, evaluating the information security; S3, displaying and alarming the information security. According to the detecting method disclosed by the invention, the intelligent system replaces people for conducting security detection on residual heavy metals of the traditional Chinese medicinal material. By use of the system and the method, the interference of human subjective factors can be eliminated, detection results varying from person to person are avoided, people are liberated from strenuous labor, the precision can be improved, and guarantee is provided for the security of the traditional Chinese medicinal material. The detecting method disclosed by the invention has the capabilities of detecting ten heavy metal elements at the same time: copper, chromium, germanium, lead, arsenic, selenium, cadmium, mercury, manganese and zinc in edible mushrooms.
Owner:安徽鑫泰药业有限公司
Air-conditioning apparatus
InactiveUS20200003449A1Easy to determineAvoid test resultsMechanical apparatusAnalysing solids using sonic/ultrasonic/infrasonic wavesBiofilmEnvironmental engineering
An air-conditioning apparatus makes it possible to detect the presence or absence of a biofilm without the influence of water surface. The air-conditioning apparatus performs at least cooling operation or humidifying operation. The air-conditioning apparatus includes a drain pan to receive water, a draining unit to drain water received in the drain pan, and a detection unit to detect a biofilm formed in the drain pan. The detection unit performs the detection of the biofilm in a state in which draining of water from the drain pan is complete.
Owner:MITSUBISHI ELECTRIC CORP
Stool detector and stool detection method
The invention discloses an excrement detector which comprises a base, a portal frame component, an automatic material supply component, a sample conveying system, a chuck component, a suction disk component, a first liquid feeding device, a second liquid feeding device, a first photographing device, a second photographing device, an identification and recording system, an electrical control system and upper-layer human-machine interaction application software. Under deployment of the control system, the excrement detector is in combined work, so that automatic pushing, sampling, coating, microscopic photographing, occult blood reaction photographing and automatic recycling of a sample are fully automatically implemented; and furthermore, the upper-layer human-machine interaction application software supplies a detection result. The invention also provides an excrement detection method. The excrement detector disclosed by the invention is high in automation degree; manual operation is not needed in a detection process; and cross infection among the samples can be avoided under automatic detection, and the problem that the detection result cannot be matched with a patient can be well solved.
Owner:CMICS MEDICAL INSTR CO LTD
Industrial product visual sorting equipment and sorting process thereof
ActiveCN112718546AAvoid human subjective evaluationImprove sorting efficiencySortingMachine visionVisual inspection
The invention discloses industrial product visual sorting equipment and a sorting process thereof. The industrial product visual sorting equipment comprises a feeding mechanism, a sorting mechanism and a control mechanism, wherein the feeding mechanism comprises an X-Y axis transferring device, and the X-Y axis transferring device transfers a batch of to-be-sorted products to the sorting mechanism; the sorting mechanism comprises a first conveying belt, a sorting conveying belt, a second conveying belt, a plurality of manipulators and a plurality of visual inspection devices; the visual inspection devices are arranged on the first conveying belt, the sorting conveying belt and the second conveying belt; the sorting conveying belt consists of an identification region X, a sorting region X1, a sorting region X2, a sorting region X3 and a waste region; the first conveying belt consists of an identification region A1, an identification region A2 and an identification region A3; the second conveying belt consists of an identification region B1, an identification region B2 and an identification region B3; and the control mechanism controls the working modes of the feeding mechanism and the sorting mechanism. By using the machine vision devices and the manipulators, various types of products in the same batch and different grades of the same type of products in the same batch can be sorted, and the sorting efficiency and accuracy are greatly improved.
Owner:NANJING UNIV OF TECH +1
Simulated oral cavity device for collecting buccal cigarette dissolved matter and using method thereof
ActiveCN106932229APrevent detection conditionAvoid test resultsWithdrawing sample devicesAgainst vector-borne diseasesMembrane permeabilizationCapillary Tubing
The invention relates to the technical field of simulated oral cavity devices and relates to a simulated oral cavity device for collecting buccal cigarette dissolved matter and a using method thereof. The simulated oral cavity device dissolves out and collects matter in buccal cigarettes in a simulated buccal state and comprises two layers of thin films, a constant-temperature water bath and a guide-out end capillary tube, edges around the thin films are in press-fit airtight to form a film wrapping jacket, an interlayer for placement of a buccal cigarette sample is arranged between the thin films, and infiltration liquid is guided into the interlayer by adopting a method of membrane permeation or capillary tube diversion to infiltrate the buccal sample; the film wrapping jacket is put below liquid level of liquid in the constant-temperature water bath, and one end of the guide-out end capillary tube extends into the interlayer while the other end of the same is connected with a dissolved liquid collection component. The simulated oral cavity device enables contact area of the buccal sample and the thin films to be consistent with that in a real oral cavity; during an experiment, the buccal sample is in a temperature environment in a simulated oral cavity, and pressure of the liquid can simulate pressure between gingiva and cheek.
Owner:SHANGHAI TOBACCO GRP CO LTD
Keyboard musical instrument and method of acquiring correction information in keyboard musical instrument
ActiveUS20180247628A1Correction for variationEasy to controlElectrophonic musical instrumentsComputer scienceMusical instrument
A keyboard musical instrument is provided in which variations in the detection mechanism is corrected so that an appropriate musical sound control can be performed. Detection sections SW1, SW2, and SW3 detect an object at detection positions pSWl, pSW2, and pSW3. On the basis of a detection timing (rT2) by the detection section SW2, a detected key depression speed (V21), and a detection timing (rT3) by the detection section SW3 in a case where the key is depressed in a derivation mode, after a rST32 value is calculated, a stroke correction value calST32 is derived as correction information J and stored in a memory 57. In the performance mode, the musical sound is controlled on the basis of the detection timing by the detection sections SW1, SW2, and SW3 and the stroke correction value calST32.
Owner:YAMAHA CORP
Keyboard musical instrument and method of acquiring correction information in keyboard musical instrument
ActiveUS10311846B2Easy to controlAccurate informationElectrophonic musical instrumentsComputer science
A keyboard musical instrument is provided in which variations in the detection mechanism is corrected so that an appropriate musical sound control can be performed. Detection sections SW1, SW2, and SW3 detect an object at detection positions pSW1, pSW2, and pSW3. On the basis of a detection timing (rT2) by the detection section SW2, a detected key depression speed (V21), and a detection timing (rT3) by the detection section SW3 in a case where the key is depressed in a derivation mode, after a rST32 value is calculated, a stroke correction value calST32 is derived as correction information J and stored in a memory 57. In the performance mode, the musical sound is controlled on the basis of the detection timing by the detection sections SW1, SW2, and SW3 and the stroke correction value calST32.
Owner:YAMAHA CORP
Calibration device for testing with crushed-stone testing machine
InactiveCN108426799AEasy to quantifyEasy to parseInvestigating abrasion/wear resistanceCrushed stoneEngineering
The invention relates to a calibration device for testing with a crushed-stone testing machine. The calibration device comprises the crushed-stone testing machine, a load sensor, a linear velocity measurement sensor, a data collecting card and a host computer, wherein the crushed-stone testing machine comprises an injection channel, a feeding device and a striking experiment box, a test piece mounting table which is upwardly and downwardly adjustable, and an experiment controller; one end of the injection channel is a compressed air inlet and is provided with a pressure regulating valve and apressure gauge; the other end of the injection channel communicates with the striking experiment box; the feeding device is arranged on the injection channel; the experiment controller is connected with the pressure regulating valve and the pressure gauge; the load sensor and the linear velocity measurement sensor are both detachably mounted on the test piece mounting table which is upwardly and downwardly adjustable. Compared with the prior art, the invention has the advantage that the calibration device can provide an effective basis for the calibration of the striking force and the strikingspeed of the crushed-stone testing machine, ensures the accuracy of subsequent test results, and is simple in structure, reasonable in design and easy and convenient to operate.
Owner:DENKEI TECH RANDD SHANGHAI CO LTD
Raw grain blind detection method and system based on two-dimensional code
PendingCN112613777AAvoid test resultsPrevent cheatingResourcesSensing by electromagnetic radiationComputer sciencePhysics
The invention discloses a raw grain blind detection method and system based on a two-dimensional code, and belongs to the technical field of data processing. The method comprises the following steps: for raw grain, sampling to obtain an raw grain sample of the raw grain, determining an assay index of the raw grain sample for the raw grain sample, and generating a two-dimensional code of the raw grain sample for the assay index; sending the raw grain sample and the two-dimensional code of the raw grain sample into a quality inspection center, scanning the two-dimensional code to obtain an assay index, and carrying out quality inspection on the raw grain sample according to the assay index to obtain a quality inspection result; obtaining a test index by scanning the two-dimensional code, writing the quality inspection result into the two-dimensional code according to the test index, obtaining the quality inspection result by scanning the two-dimensional code, and feeding back the quality inspection result to the raw grain system for storage. According to the invention, the detection result of subjective factors is avoided, and the cheating phenomenon is avoided.
Owner:AEROSPACE INFORMATION
Method for detecting tension strength and elongation of filaments
InactiveCN109507397AImprove test value accuracyPrevent deviationWeighing by removing componentMaterial strength using tensile/compressive forcesUltimate tensile strengthMoisture regain
The invention relates to a method for detecting tension strength and elongation of filaments. The method comprises the following steps: testing fineness of a sample and recording for statistics; testing the tensile property of the sample and recording for statistics; testing the tensile property of the sample in a wet state and recording for statistics; calculating a moisture regain rate of the sample according to data obtained before and after the same is dried, and recording for statistics; calculating a standard deviation and an average value on a computer, and enabling the standard deviation to be divided by the average value to obtain a variation coefficient of the fineness, and recording; recording the recorded data in a comprehensive list, and drawing a performance histogram and a performance curve chart of the filaments. The method can be used for detecting multiple physical properties of the filament samples, the detection results are comprehensive, and the data is accurate; the method is beneficial to monitoring of product quality indicators, and improves the production efficiency.
Owner:浙江龙赛尔纤维科技有限公司
Watch step-counting accuracy detection device
The invention discloses a watch step-counting accuracy detection device. The device structurally comprises a driving motor, a mechanical counter, a supporting column, a power indicator, a liquid crystal display, a speed control button, an emergency stop button, a device switching button, a control panel, non-slip supporting legs, a power connector, a detection device main body, a watch swing arm and a swing arm braking apparatus. The watch step-counting accuracy detection device disclosed by the invention is provided with the swing arm braking apparatus, during use of the watch step-counting accuracy detection device, after the driving motor is powered off to stop working, the watch swing arm simultaneously stops swinging, the condition that the detection result is different from the accuracy value because the watch swing arm continuously swings due to inertia is avoided, and the detection result accuracy of the watch step-counting accuracy detection device is effectively improved.
Owner:ANHUI JINAIER ELECTRICAL APPLIANCE TECH
A safe active image tampering detection method and device
ActiveCN104935783BIntegrity guaranteedAvoid False Detection ResultsTransmissionPictoral communicationPattern recognitionImage integrity
Owner:BEIJING UNIV OF POSTS & TELECOMM
A method for detecting defects in electronic die-cutting materials based on machine vision
ActiveCN106770332BRealize requirementsGuaranteed reliabilityOptically investigating flaws/contaminationMaterial defectDimension measurement
The invention discloses an electronic die cutting material defect detecting implementation method based on machine vision. The method comprises the following steps of (a) loading a detection template; (b) transferring a detection object; (c) monitoring through a sensor; (d) capturing an image; (e) identifying an object; (f) processing the image; (g) carrying out binarization processing; (h) carrying out data statistics and detection analysis. The method adopts a non-contact optical sensor system, and adopts a machine to replace human eyes to measure and judge, a system utilizes a CCD (Charge Coupled Device) camera for capturing the image of an objective measuring object, and information such as pixel distribution, brightness and color of the image of the objective measuring object is converted into digital image signals; a project control system operates the signals to extract the characteristics of the measuring object; finally, field equipment is controlled to act according to tolerance and other condition output results so as to meet the core demands on on-line detection of product defects and dimension measurement, so that the measurement precision, the measurement speed, and the reliability under an industrial site environment can be ensured.
Owner:HANGZHOU BYTE INFORMATION TECH CO LTD
Recombinant adiponectin antigen, antibody and adiponectin nano-latex enhanced immunoturbidimetric assay kit
The invention discloses a recombinant adiponectin antigen, the preparation of which comprises the following steps: a. culturing a cell line highly expressing recombinant human full-length adiponectin protein in a high-sugar DMEM medium, and the culture condition is 0.25-0.75L / min oxygen flow rate, 3-6% carbon dioxide volume, 5-10% bovine serum volume, 100-200rpm speed, so that the cell line reaches 1-3×10 7 b. Replace the medium with serum-free medium and add 0.5% vitamin C to maintain the cell line at 1-3×10 7 The number of cells continued to express adiponectin for 4 to 10 days. The invention also discloses adiponectin antibody, adiponectin antibody nano latex particles and a kit containing the antigen and antibody nano latex particles. The kit adopts the nano latex-enhanced immune turbidimetric method to detect adiponectin with high accuracy, true and reliable data, and good prediction effect on type 2 diabetes and prediabetes.
Owner:英诺生物技术(深圳)有限公司
Playing and memorizing device type selection testing method
ActiveCN102970575BIncrease the use of spaceAvoid test resultsTelevision system detailsColor television detailsFault toleranceMethod test
The invention relates to a playing and memorizing device type selection testing method. A system using the method comprises a plurality of testing work stations, a file system server and a testing management work station which are connected to a tested memory bank through switches to form a testing network and a testing device. The playing and memorizing device type selection testing method comprises the steps of generating simulation files, testing bandwidth of the tested memory bank in a normal work state, testing fault tolerance of the tested memory bank, testing the performance of the tested memory bank and finishing testing. The method tests the bandwidth, fault-tolerant capability, operating performance and other situations of the tested memory bank by simulating various business requirements and emergency situations encountered by the tested memory bank in the playing system and can provide an important reference basis for type selection of the memory bank in the playing system.
Owner:CHINA CENTRAL TELEVISION +1
Web asset detection method, device and equipment and readable storage medium
ActiveCN111143744AReduce update frequencyAvoid test resultsWeb data indexingHardware monitoringHamming distanceOperations research
The invention discloses a web asset detection method, device and equipment and a computer readable storage medium, and the method comprises the steps of obtaining body information of target asset contents in a web asset library, and generating a current simhash value of target assets according to the body information; determining a Hamming distance between the current simhash value and a simhash value of a previous time node of the target asset; judging whether the Hamming distance is less than or equal to a preset distance threshold; if the Hamming distance is greater than a preset distance threshold, judging that the content of the target asset is changed, and recording the current updating time; judging whether the time interval between the current updating time and the previous updating time is greater than a preset time threshold value or not; and if the time interval is greater than a preset time threshold, marking the target asset as a zombie station. According to the method, the device, the equipment and the computer readable storage medium provided by the invention, the accuracy of web asset content change detection is improved.
Owner:HANGZHOU ANHENG INFORMATION TECH CO LTD
Circuit board for testing and method of operating the same
InactiveUS20190265277A1Prevent erroneous test resultAvoid restrictionsPrinted circuit aspectsBase element modificationsVIT signalsHigh frequency
A circuit board for testing and a method of operating the same are provided. A relay is installed on a body of a circuit board having a probe. At least one external conductive line is arranged between the probe and the relay. During high-frequency signal testing, a transmission route is to transmit high-frequency signals to a test machine by means of the external conductive line, but is not to transmit high-frequency signals to a test machine by means of the relay. Accordingly, the limitation of the bandwidth condition of the relay can be avoided.
Owner:SV PROBE PTE LTD
A constant temperature exponential amplification technique based on triple amplification reaction cascade and its application in microRNA detection
ActiveCN105018603BHigh sensitivityHighly Selective Fluorescent DetectionMicrobiological testing/measurementFluorescenceDisplacement reactions
The invention discloses a constant temperature index amplification technology based on triple amplification reaction connection in series and an application of the constant temperature index amplification technology in microRNA detection. According to the invention, a special neck ring structure is designed as a medium body, a constant temperature index amplification reaction is triggered, target sequence cycle is fromed under strand displacement reaction effect of polymerase, a lot of short chain DNA fragments are generated through amplification in short time, deoxyribozyme is activated, a fluorescence substrate is cut, target sequence cycle is formed, constant temperature index amplification reaction is carried out, series connection of a triple cycle amplification process of a deoxyribozyme catalytic reaction is carried out, then a rapid constant temperature index amplification technology with high efficiency is established, and the constant temperature index amplification technology can be used for microRNA ultra-sensitive fluorescence detection.
Owner:SUN YAT SEN UNIV
Microchip
InactiveUS9346051B2Prevent movementPerformed assuredlyLaboratory glasswaresFluid controllersEngineering
Owner:HORIBA LTD
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