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59results about How to "Reduce counting errors" patented technology
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Grain condition detecting rod
ActiveCN101655418APrevent climbing outInhibit entryWithdrawing sample devicesInsect catchers and killersDust collectorInsect
The invention discloses a grain condition detecting rod which comprises a hollow insect attracting pipe and a conical head; the upper end of the insect attracting pipe is provided with a plug; the pipe wall of the insect attracting pipe is provided with an insect attracting opening; and an insect collecting device is provided between the insect attracting pipe and the conical head. the insect attracting pipe is connected with the conical head; the insect collecting device comprises an insect collector which is hollow at the upper part and is provided with a groove that forms an insect collecting space; the hollow part at the upper part of the insect collector is communicated with the insect collecting space; the insect collecting space is connected with an insect drawing pipe which penetrates the plug, the insect attracting pipe and the insect collector; and the lower end of the insect drawing pipe is communicated with the insect collecting space. As the grain condition detecting rod is provided with an insect collecting device, a negative pressure environment which facilitates the drawing is easily formed when the insect that comes into the insect collecting device is drawn thereby quickly drawing the insect out. An independent insect collecting space is provided in the insect collector, and the forming of drawing negative pressure environment is furthermore ensured, and therefore the non-stop and quick drawing-out of insect in drawing can be ensured.
Owner:ZHENGZHOU XINSHENG ELECTRONICS TECH
Pull-up counting system based on image processing and counting method thereof
ActiveCN107103298AMature detection technologyReduce counting errorsCharacter and pattern recognitionSport apparatusFace detectionComputer performance
The invention discloses a pull-up counting system based on image processing and a counting method thereof. The method is characterized by under conditions of a given horizontal bar height, a camera parameter and a shooting environment, according to a shot image sequence, using linear detection, face detection and skin color detection in a digital image processing theory to acquire positions of a horizontal bar, a face and hands; and for a detected correlation area, according to an image rotation invariant moment theory, calculating a zero moment and a first moment of a binary image, and determining accurate face and hand mass center positions and a face area; and then tracking and recording face and hand position changes of a whole image and image gray value changes of a specific area, and through programming analysis, calculating pull-up times of an athlete. Because a non-contact measurement technology is adopted, anti-environment interference capability is high. A position detection technology is mature and a counting error is low. A low computer performance requirement and short execution time are possessed. A rapid, reliable, accurate-counting and real-time requirement is reached. when athletes with different heights and different sexualities carry out test counting, a program does not need to be changed.
Owner:GUILIN UNIV OF ELECTRONIC TECH
Recovery from transitory storage area network component failures
ActiveUS8051335B1High error countReduce counting errorsError detection/correctionInput/output processes for data processingStorage area networkDistributed computing
Lun communications between a storage server and a storage subsystem for a particular lun are assigned both a current path and an alternate path. Lun communications use the current path unless the current path is determined to be faulty. Path errors may result in the storage server determining a path to be faulty. If the current path for a lun communication is determined to be faulty, then the lun communications will be sent through the alternate path so long as the alternate path is determined to be reliable. Over time, a path previously determined to be faulty may recover and be used again for lun communications.
Owner:NETWORK APPLIANCE INC
High-resolution frequency measurement method with continuous counting interval marking
InactiveCN101819231AAchieve correctionReduce counting errorsFrequency to pulse train conversionObservational errorArray data structure
The invention relates to a high-resolution frequency measurement method with continuous counting interval marking, which is mainly technically characterized by: (1) obtaining data which is continuous on time in measurement time, and constructing measurement arrays of M1, M2, M3...Mn; (2) carrying out judgment and data correction on each data and arrangement way in the measurement arrays; (3) determining the value-taking range of relationship factor and the value; and (4) calculating the frequency to be measured and measuring the resolution. The high-resolution frequency measurement method has reasonable design, and can carry out judgment and correction on the data in the measurement arrays according to the specific rules, reduce output risk produced by input competition and counting errors caused by metastable state of a trigger, simultaneously fully utilize frequency information contained in mutual correlation of the measurement data, realize that the measured resolution is unrelated with signal frequency to be measured, improve the measured resolution, reduce the measurement time and reduce the measurement errors caused by the change of the signal frequency to be measured during the measurement process.
Owner:TIANJIN AGRICULTURE COLLEGE
Binocular image bus passenger flow calculation method associated with bus door state
InactiveCN108446611AReduce passenger flow overcounting errorsImprove environmental adaptabilityImage enhancementImage analysisFeature matchingLinkage concept
The invention belongs to the technical field of image processing, particularly to a binocular image bus passenger flow calculation method associated with a bus door state. On the basis of adopting busdoor linkage to perform double background elimination under door opening and closing backgrounds and a bus door state linkage motion trajectory tracking method, depth estimation is performed on a binocular image collected by a binocular camera, and a parallax error is determined for each pixel in the binocular image; and judgment is made according to a depth map made by the parallax errors, humanhead feature matching and motion trajectory tracking are performed on a suspected head, and passengers getting on and getting off in a human head area satisfying a condition are counted. According tothe method provided by the invention, on the basis of an original binocular image bus passenger flow calculation method, through a double background elimination processing technology under door opening and closing backgrounds in combination with bus door linkage, a passenger flow overstating error brought by bus door opening and closing is reduced; and by adoption of the motion trajectory tracking method based on the bus door state, a getting-on / getting-off passenger flow overstating error caused by back-and-forth shaking in the vicinity of an image recognition area is reduced.
Owner:深圳市图敏智能视频股份有限公司
Steel ball intelligent automatic counting device and automatic counting method thereof
The invention provides a steel ball intelligent automatic counting device which can accurately count steel balls, so that counting errors are lowered, unnecessary waste of materials and labor is reduced, and production efficiency is improved. The steel ball intelligent automatic counting device comprises a counting scale and is characterized in that the counting scale is provided with an industrial camera which is connected with a computer control system, and the computer control system conducts counting processing to the steel balls, on the counting scale, which are collected by the industrial camera. The invention further provides a steel ball intelligent automatic counting method on the basis of the steel ball intelligent automatic counting device.
Owner:河南云扬钢球制造有限公司
Rope skipping counting method and device, wearable equipment and storage medium
The invention discloses a rope skipping counting method and device, wearable equipment and a storage medium. The method comprises the steps of acquiring motion data, collected by a three-axis gyroscope in the wearable equipment, of a user, performing principal component extraction on the motion data to obtain principal component data, and counting the peak value number of peak points of the principal component data, wherein the peak value number serves as the frequency of rope skipping of the user. The problem of poor precision caused by manual, mechanical or electronic counting in the prior art is solved, the wearable equipment with the three-axis gyroscope achieves automatic counting of rope skipping, the counting error is reduced, and the counting accuracy is improved.
Owner:BEIJING CALORIE INFORMATION TECH CO LTD
Kit for identification of circulating tumor cells through combination of CD45 immunofluorescence and CEP17 probe and use thereof
ActiveCN106980018AReduce identification errorsShorten detection timeMicrobiological testing/measurementMaterial analysisFluorescenceBiology
The invention belongs to the field of biomedical clinical detection and relates to a kit for identification of circulating tumor cells through CD45 immunofluorescence-CEP17 fluorescence in-situ hybridization probe combined one-step method co-dyeing, and a use thereof. The kit comprises a fixing solution, 2*SSC, 0.3% NP-40 / 0.4*SSC, 0.075 M of a KCl solution, a CD45 monoclonal antibody-CEP17 probe mixed liquid, a DAPI redyeing agent, a perforating agent, a sealing liquid and a mounting medium. The kit uses combination of a CD45 immunofluorescent antibody and a CEP17 fluorescence in-situ hybridization probe to identify the captured circulating tumor cells, completes immunofluorescence and fluorescence in-situ hybridization detection by a one-step method, and solves the problem that the immunofluorescence detection and the fluorescence in-situ hybridization detection produce mutual interference in combined use and detection time is long. The one-step method-based hybridization incubation can be fast finished in 2h so that detection time is greatly reduced. The detection result is visual.
Owner:WUHAN HEALTHCHART BIOLOGICAL TECH
Kit applying CD45 immunofluorescence combined with CEP 8 probe to identify circulating tumor cells and application thereof
ActiveCN106970225AReduce identification errorsShorten detection timeMicrobiological testing/measurementMaterial analysisFluorescenceWilms' tumor
The invention belongs to the field of biomedicine clinical detection, and particularly relates to a kit applying CD45 immunofluorescence combined with a CEP8 fluorescent in-situ hybridization probe for one-step process co-dyeing to identify circulating tumor cells and application thereof. The kit comprises fixing liquid, 2xSSC, 0.3%NP-40 / 0.4xSSC, 0.075M KCI solution, CD45 monoclonal antibody and CEP 8 probe mixed liquid, DAPI counter stain, perforating agent, closing liquid and mounting medium. The CD45 immunofluorescence antibody is combined with the CEP8 fluorescent in-situ hybridization probe to identify captured circulating tumor cells, and immunofluorescence and fluorescent in-situ hybridization detection are completed through a one-step process, so that the problems of mutual interference and long detection time when immunofluorescence detection and fluorescent in-situ hybridization detection are combined are solved; hybridization incubation through the one-step process is completed quickly within 2h, so that detection time is greatly reduced, and detection results are visual to observe.
Owner:WUHAN HEALTHCHART BIOLOGICAL TECH
Weight induction coin counting machine
The invention relates to a weight induction coin counting machine comprising a support and a base which is arranged at one side of the support. The support is internally provided with a coin collecting bucket. The base is provided with a supporting plate and a weighing and counting device. The supporting plate is provided with a coin separating chute track which is obliquely arranged and connected with the coin collecting bucket. The coin separating chute track is provided with multiple coin outlet holes of different sizes along the track direction. Coin outlet tracks connected with different coin outlet holes are arranged below the coin separating chute track. The weighing and counting device is provided with coin placing barrels which are matched with the position of the coin outlet tracks. According to the weight induction coin counting machine, different types of coins finally enter different coin placing barrels from the coin outlet holes of different sizes due to the size difference of different types of coins; and the weight of the coins in the coin placing barrels is weighted by the weighing and counting device and the account is calculated according to the weight data so that effective separation of different values of coins can be realized and the total amount of the coins can be calculated.
Owner:LINGNAN NORMAL UNIV
Multichannel synchronous frequency measuring apparatus
ActiveCN109030939AImprove applicabilityImprove acceleration performanceFrequency to pulse train conversionContinuous waveBus interface
The invention provides a multichannel synchronous frequency measuring apparatus, and relates to the technical field of electronic equipment testing. The synchronous frequency measuring apparatus can improve the precision of continuous wave frequency test of the electronic equipment. The synchronous frequency measuring apparatus receives a measured signal by a signal receiving unit; arranges an adjustable delay module in a phase coincidence detecting unit; generates a phase coincidence point pulse by the phase coincidence detecting unit based on the measured signal, a standard frequency signal,a delayed measured signal and a delayed standard frequency signal; generates a synchronous gate signal by a counting gate module; controlles a measured signal counting module and a standard frequencysignal counting module to count; and calculates a frequency of the measured signal by the frequency calculating module based on a counting result of the two counting modules, and outputs via a bus interface. According to the technical scheme of the invention, it is beneficial to reduce the possibility of multiple phase coincidence point pulses occurring in a least common multiple period, improvethe reliability of generating the synchronous gate signal, and improve the accuracy of calculating the frequency of the measured signal.
Owner:中国人民解放军陆军工程大学石家庄校区
Detection method of viable bacterium number of embedded probiotic product
ActiveCN108998497AImprove stabilityEliminate odorMicrobiological testing/measurementPolyethylene glycolDissolution
The invention discloses a detection method of the viable bacterium number of an embedded probiotic product and relates to the technical field of probiotic products. The method comprises the steps as follows: (1) pretreatment; (2) preparation of a thallus suspension; (3) gradient dilution; (4) bacterial colony culture; (5) bacterial colony counting: performing bacterial colony counting on a culturedish in the step (4) to obtain a viable bacterium detection result, wherein a dilution buffer solution in the step (2) is prepared from substances in percentage by weight as follows: 0.3%-0.6% of KH2PO4, 0.5%-0.7% of Na2HPO4, 0.6%-1.0% of NaCl, 0.5%-1.5% of tween-80, 0.05%-0.1% of polyethylene glycol, 0.01%-0.1% of polyoxypropylene glycerol ether, 0.04%0.08% of beta-cyclodextrine and the balanceof purified water. The tween-80 is used as a surfactant to promote dissolution of an embedded layer and completely release probiotics, the added polyoxypropylene glycerol ether and beta-cyclodextrinecan eliminate foam and foreign odors, the counting error is small, the detection result is reliable, strict sterile operation is realized, mixed bacterium pollution is avoided, the detection result credibility is high, and the promotional value is very high.
Owner:广州富诺营养科技有限公司
Sticky trapping type tobacco pest trapper
InactiveCN104604825AAchieve intuitiveAchieve transparencyInsect catchers and killersTrappingEngineering
Owner:李翊玮
Particle counting method
InactiveCN108627448AReduce layered suspension issuesReduce counting errorsIndividual particle analysisComputational physicsMicrofluidic chip
The invention provides a particle counting method and relates to the technical field of biological particle detection. The particle counting method provided by the invention has the benefits that by adopting a microfluidic chip detection technology based on a Coulter principle, an electric pulse signal generated when cells and / or microbial samples flow through a detection area on the microfluidicchip is analyzed to obtain the size and the quantity of particles; the adopted microfluidic chip mainly reduces the stratified suspension problem of particle samples through the chip structure design(reducing the micro-channel depth) and effectively reduces the counting error and the cell death and life discrimination error caused by particle stratification during image acquisition in combinationwith the field depth of an optical system; the field depth of an optical lens is greater than the depth of the chip, so that the image feature difference caused by the stratified suspension is avoided; in addition, through the design of the chip, all the added quantitative samples can also flow through the detection area, so that the counting of all the samples is realized; in conclusion, the accuracy and the consistency of count results of the cells or other biological particles are much better than those obtained by an existing detection method.
Owner:JIANGSU JIM BIO SCI & TECH
Full-automatic glue binding machine for printed matters
ActiveCN112918150ASave human effortImprove efficiencyBook making processesBookbinding adhesiveElectric machineryDrive motor
The invention discloses a full-automatic glue binding machine for printed matters. The full-automatic glue binding machine comprises a workbench, a feeding mechanism, a volume dividing mechanism, a discharging channel, a gluing mechanism, a binding mechanism and a discharging table. The feeding mechanism comprises a feeding bin, a baffle, a bearing plate, a through hole, a power bin, a driving motor, a first bevel gear, a jacking column, a jacking thread, a second bevel gear, a rear output shaft, a friction shaft, a friction roller, a driving belt, a stop block, a stop groove, multiple stop springs arranged in the stop groove, an output bin arranged at the bottom of the feeding bin and a propelling roller arranged in the output bin. The first bevel gear is meshed with the second bevel gear. The stop block slides in the stop groove. Automatic feeding and binding of printed matters are achieved through the feeding mechanism, manpower is saved, and efficiency is improved. Automatic page counting can be achieved through the volume dividing mechanism, a certain number of printed pages are further controlled to be bound into a book, the automation degree is high, and the counting error is small.
Owner:CHONGQING FULING TAIJI PRINTING CO LTD
Warehouse stacker positioning device
InactiveCN110817227AReduce counting errorsSimple structureStorage devicesForeign matterStructural engineering
The invention discloses a warehouse stacker positioning device. The warehouse stacker positioning device comprises a goods shelf, reflecting devices and receiving devices, wherein the reflecting devices are arranged on the outer side of the goods shelf, the reflecting devices are fixedly connected with the goods shelf through fixing bolts, the multiple group reflecting devices comprise upper addressing plates, lower addressing plates, front addressing plates and calibration holes; the upper addressing plates are arranged on the upper surfaces of the reflecting devices, the lower addressing plates are arranged on the lower surfaces of the reflecting devices, the front addressing plates are arranged on the front end faces of the reflecting devices, and the calibration holes are formed in themiddles of the front end faces of the front addressing plates; and each receiving device comprises a stacker, an upper addressing device, a lower addressing device, a front addressing device, an upper connecting rod, a lower connecting rod and a calibrator. The warehouse stacker positioning device is simple in structure, the phenomenon of inaccurate counting caused by foreign matter interferenceis greatly reduced, the practicability of the device is improved, and the warehouse stacker positioning device is worthy of popularization.
Owner:数恒(苏州)新材料科技有限公司
Pill counting and bottling device
The invention discloses a pill counting and bottling device, and relates to the field of pharmacy production equipment. The pill counting and bottling device comprises a base, a pill conveying assembly, a limiting and conveying platform, a pill storage mechanism and a bottling mechanism. The pill conveying assembly is fixedly arranged on the base, and the limiting and conveying platform is fixedlyarranged on the base; the pill storage mechanism is composed of a feeding hopper and a sealing plate push rod, the bottling mechanism is composed of a stepping motor, a rotating shaft and a round bucket, and four bucket grooves are uniformly formed in the round bucket in the circumferential direction. The device is simple and reasonable in structure, pills can be loaded into six medicine bottlesequally according to a specified number at the same time, and the bottling efficiency is improved; a counting sensing system is abandoned, the structure of the device is simplified, the equipment costis reduced, and the counting error is reduced.
Owner:WUHU KANGQI PHARMA
Glove counting, stacking and conveying machine
InactiveCN110422408ANeatly stackedReduce counting errorsPackaging automatic controlEngineeringMechanical engineering
The invention discloses a glove counting, stacking and conveying machine comprising a rack, a conveying plate and a control device. The conveying plate is arranged on the lower portion of the rack andis slidably connected with the rack. The upper portion of the rack is provided with an adjusting plate and rotary plates arranged below the adjusting plate symmetrically. The adjusting plate and therack are slidably connected. The sliding direction of the adjusting plate is opposite to that of the conveying plate. The opposite outer sides of the rotary plates are rotationally connected with therack. Rotary shafts of the rotary plates are perpendicular to the sliding direction of the adjusting plate. Gloves can be stacked according to the set quantity, counting error is small, and the glovesare stacked neatly. In the glove production process of the prior art, 60%-70% of time of an operator is used for repeatedly counting and stacking gloves, while through the glove counting, stacking and conveying machine, 4-5 dozens of gloves can be stacked on the outer side, equivalently when 4-5 dozens of gloves are stacked outside each machine, an operator conduct management once, manpower is saved, efficiency is improved by multiple times, equipment is not liable to damage, service life is long, use and maintenance cost is low, and the glove counting, stacking and conveying machine has verygood use value and commercial value.
Owner:银建
Analog measurement method, measured data fitting method and chemiluminiscence tester
ActiveCN109556738AReliable measurementImprove linearityChemiluminescene/bioluminescenceStart timeEngineering
The invention relates to an analog measurement method, a measured data fitting method and a chemiluminiscence tester. The analog measurement method comprises the following steps: acquiring a direct current signal output by an incident photon in an optical signal after being enhanced and amplified by a photomultiplier; converting the direct current signal output by the photomultiplier into a voltage signal through a direct current amplifier, and filtering the voltage signal via a filtering circuit to output a filtered voltage signal; acquiring a first voltage value at a preset starting time point and a second voltage value at a preset ending time point, calculating a difference value of the second voltage value and the first voltage value by an analog-to-digital converter, and outputting ananalog-to-digital conversion value; and calculating a first analog count value of the optical signal according to the analog-to-digital conversion value. Through the above method, it is ensured thatgood linearity is obtained when counting optical signals of different intensities, the counting errors are reduced, and the measurement of the optical signal by a chemiluminescence analyzer is more reliable.
Owner:SHENZHEN NEW INDS BIOMEDICAL ENG
Device for measuring specific resistance parameter of sludge, use method and application thereof
InactiveCN111175172AAvoid artificial readingsReduce counting errorsWeighing by removing componentData connectionSludge
The invention relates to the technical field of sludge treatment, and discloses a device for measuring a specific resistance parameter of sludge, a use method and an application thereof. The device comprises a filtering unit, a gas supply unit, a filtrate collecting unit, a mass weighing unit and a counting unit. In the invention, the gas supply unit provides filtering pressure for the filtering unit; a sludge sample is filtered in a sealed positive pressure space of the filtering unit; and a filtrate is obtained by the filtrate collecting unit and conveyed to the mass weighing unit to be weighed, the counting unit in data connection with the mass weighing unit automatically obtains filtrate mass and time interval data and records a curve of a filtrate volume and time to obtain a parameterb, manual reading is avoided, and counting errors of a traditional method are effectively reduced. In addition, the filtering unit is provided with a space for keeping complete sealing.
Owner:CENT & SOUTHERN CHINA MUNICIPAL ENG DESIGN & RES INST
Installation method of coiled tubing defect stenciling system
ActiveCN113246614AGuarantee job securityEasy to installTypewritersOther printing apparatusCoiled tubingElectrical control
The invention discloses an installation method of a coiled tubing defect stenciling system, and belongs to the technical field of oil pipe detection. The method is characterized by comprising the following steps that S1, coiled tubing is arranged in a stenciling and positioning device in a penetrating manner, and a roller encoder is arranged on a magnetic flux leakage detection unit of a coiled tubing magnetic flux leakage detection device; S2, the stenciling and positioning device is connected to an electric control box, the coiled tubing magnetic flux leakage detection device is connected to a signal processing box, and the signal processing box is connected to the electric control box and a computer; and S3, finally, a debugged paint spraying gun is embedded into a spraying gun clamping sleeve, and a nozzle of the paint spraying gun is aligned with the pipe wall of the coiled tubing. The whole installation process is convenient and fast, stable connection of the coiled tubing magnetic flux leakage detection device and the stenciling and positioning device can be achieved, accurate stenciling and positioning of defects are achieved, the operation safety of the coiled tubing is guaranteed, and the operation cost can be reduced.
Owner:BC P INC CHINA NAT PETROLEUM CORP +1
An automatic feeding and discharging polishing machine with counting function
ActiveCN106276034BRealization of automatic feedingImprove polishing efficiencyConveyor partsChutesEngineeringUltimate tensile strength
Owner:浙江义腾特种钢管有限公司
Automatic metallurgical bar counter
ActiveCN106096711AAvoid or reduce counting errorsReduce counting errorsCounting mechanisms/objectsManufacturing lineGenerating unit
An automatic metallurgical bar counter comprises a first output pulse generating unit, a second output pulse generating unit, a first narrow pulse filtering unit, a second narrow pulse filtering unit, and a count processing unit. Count pulses generated by the first output pulse generating unit and the second output pulse generating unit are sent to the count processing unit for counting after narrow pulse interference in the count pulses are filtered by the first narrow pulse filtering unit and the second narrow pulse filtering unit respectively, and the count processing unit takes the maximum count value as the counting result of the automatic metallurgical bar counter. The automatic metallurgical bar counter can be applied to occasions in need of product counting on all kinds of bar production lines.
Owner:邳州市鑫盛创业投资有限公司
A mechanical counting device
ActiveCN109376840AAccurately record the number of rotationsGood for evaluating cleaning efficiencyCounting mechanisms/objectsSlurryEngineering
The invention discloses a mechanical counting device, comprising a left C-shaped cavity, a right C-shaped cavity and a cylindrical cavity, wherein the left C-shaped cavity and the right C-shaped cavity are combined to form a diamond-shaped cavity, and the diamond-shaped cavity is arranged in the cylindrical cavity and fixed at the bottom of the cylindrical cavity; A left C-shape cavity bottom is fixedly connected with a cylindrical cavity bottom, At that bottom of the right C-shape cavity, An upper part of that filling port is provided with a sealing cover, A seal pressure cap is arranged at the opening of the cylindrical cavity, a threaded hole is arranged between the sealing pressure cap and the cylindrical cavity, the sealing pressure cap and the cylindrical cavity are connected and sealed by fixing bolts in the threaded hole, and a circular steel ball passing hole and an adjusting stopper are arranged on the middle wall of the diamond-shaped cavity formed by the combination of theleft C-shaped cavity and the right C-shaped cavity. The mechanical counting device of the invention can accurately record the number of rotation turns of the pig, judge the running track of the pig, and is favorable for evaluating the cleaning efficiency of high-pressure pipelines with pressure impact such as ore slurry and petroleum pipelines by using the pig. The utility model has the advantagesof simple structure and convenient use, and is favorable for popularization and application.
Owner:BAOTOU IRON & STEEL GRP
Novel method for carrying out accurate chromosome counting by applying saccharum centromere specific repetitive sequence
ActiveCN113073134ALower requirementAccurate identificationMicrobiological testing/measurementRepetitive SequencesSaccharum
The invention relates to the technical field of bioinformatics and molecular cytogenetics, in particular to a novel method for carrying out accurate chromosome counting by applying a saccharum centromere specific repetitive sequence. The method comprises the following steps: step 1, acquiring the saccharum centromere specific repetitive sequence; and step 2, separating the saccharum centromere repetitive sequence and carrying out counting analysis. According to the invention, a method of combining chromatin immunoprecipitationassay with a high-throughput sequencing technology (ChIP-Seq) for a saccharum centromere specific histone is utilized to obtain a DNA sequence of a saccharum centromere region; and through comparative analysis, repetitive sequences in centromere regions of different saccharum species are screened out. Primers are designed according to the sequence, amplified and marked to be used for mitosis metaphase fluorescence in situ hybridization (FISH), and chromosome counting is carried out. Result shows that the sequence generates specific, clear and bright signals in centromere regions of all chromosomes of different saccharum species. The number of chromosomes of different materials can be rapidly and accurately obtained by counting the number of the centromere signals.
Owner:NANTONG UNIVERSITY
A new method for accurate chromosome counting using sugarcane centromere-specific repeat sequences
ActiveCN113073134BLower requirementAccurate identificationMicrobiological testing/measurementBiotechnologyBio informatics
Owner:NANTONG UNIVERSITY
Metallurgical bar automatic counter
ActiveCN106096711BAvoid or reduce counting errorsReduce counting errorsCounting mechanisms/objectsManufacturing lineGenerating unit
An automatic counter for metallurgical rods includes a first output pulse generating unit, a second output pulse generating unit, a first narrow pulse filtering unit, a second narrow pulse filtering unit, and a counting processing unit. The counting pulses generated by the first output pulse generating unit and the second output pulse generating unit are respectively sent to the counting processing unit for counting after the narrow pulse interference is filtered out by the first narrow pulse filtering unit and the second narrow pulse filtering unit, and the counting processing unit takes The one with the larger counting value is taken as the counting result of the metallurgical bar automatic counter. The metallurgical bar automatic counter can be applied to occasions where product quantity needs to be counted on various bar production lines.
Owner:邳州市鑫盛创业投资有限公司
A cleaning device suitable for municipal stairs
ActiveCN110448231BEasy to sendImprove cleanlinessCarpet cleanersFloor cleanersProcess engineeringMechanical engineering
Owner:GUANGZHOU QIAOYIN ENVIRONMENTAL PROTECTION TECH
Intelligent counting gas meter
PendingCN112763015AHigh technical precisionReduce counting errorsVolume meteringTesting/calibration for volume flowControl engineeringDisplay device
The invention discloses an intelligent counting gas meter, and relates to the technical field of gas meters. The intelligent counting gas meter comprises a counting system, the counting system comprises a fixing frame, a positioning plate, a plurality of sampling sensors, a controller and a display, the plurality of sampling sensors are sequentially numbered anticlockwise or clockwise, the output ends of the plurality of sampling sensors are connected with the input end of the controller, and the output end of the controller is connected with the input end of the display. When a data processor sequentially receives single signals of the thirty sampling sensors according to the numbering sequence of the thirty sampling sensors, the controller counts the gas meter once and accumulatively displays the count on the display. When the data signals, received by the data processor, of the sampling sensors are incomplete or incorrect in sequence, the controller does not count the gas meter and drives an alarm to give an alarm, so that an operator is reminded to overhaul the gas meter, counting errors are reduced, and the technical precision of the gas meter is improved.
Owner:ZHEJIANG RONGXIN GAS METER
Bar rolled piece counting method
ActiveCN109302176AAvoid or reduce counting errorsReduce counting errorsPulse techniqueProduction lineElectrical and Electronics engineering
The invention discloses a bar rolled piece counting method comprising the steps of separately installing count detection devices of a first count pulse generation unit and a second count pulse generation unit at the different section chain of bar transmission or the different positions of the same section chain of bar transmission; separately performing narrow pulse filtering and counting on pulsesignals output by the first count pulse generation unit and the pulse signals output by the second count pulse generation unit, and using the relatively large count value as an automatic counting result of a bar production line, wherein the narrow pulse filtering separately performed on the pulse signals output by the first count pulse generation unit and the pulse signals output by the second count pulse generation unit is implemented by a narrow pulse filtering unit, and the narrow pulse width filtered by the narrow pulse filtering unit is controlled by a bar transmission speed. The counting method can be applied to occasions where the quantity of products needs to be counted on various bar production lines.
Owner:HUNAN UNIV OF TECH
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