Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

98results about How to "Overcome workload" patented technology

Truss combined beam and upper and layer connected light steel structure and construction method thereof

InactiveCN102359180ATroubleshoot simultaneous connectionsSolve the shortcomings that the pressure is not easy to meet the force requirementsGirdersJoistsRear quarterKeel
The invention discloses a truss combined beam and upper and layer connected light steel structure and a construction method thereof. The light steel structure comprises upper wall sheet columns distributed at intervals, lower wall sheet columns distributed at intervals, upper wall sheet column lower connecting pipes connected among the lower parts of the upper wall sheet columns, lower wall sheet column upper connecting pipes connected among the upper parts of the lower wall sheet columns, and truss combined beams connected between the upper wall sheet columns and the lower wall sheet columns through upper and lower connectors, wherein the upper and lower connectors are beam passing buckles, the web plates of the beam passing buckles consist of upper web plates and lower web plates, a square connecting port is formed between the upper web plates and the lower web plates, upper chord member connecting plates are extended from the left and right sides of the square connecting ports, and the upper chord member connecting plates and side plates of the beam passing buckles are positioned in the same plane. Through the light steel structure, the structural stability of a light steel keel house system is enhanced, and the floor surface beams, the connecting pipes and the floor panels do not easily vibrate.
Owner:筑巢(北京)科技有限公司

Automatic warehousing system

InactiveCN106347919AOvercome workloadOvercome single trivialStorage devicesWorkloadButt joint
The invention discloses an automatic storage system, which includes a movable platform and a shelf, and the movable platform moves along a planned path to a specified position and docking with the shelf, and also includes an acquisition unit, which acquires the position of the shelf in the working environment; an operation unit , calculate and determine the specified pose of the movable platform in the environment map according to the position and direction of the shelf; the path planning unit generates the path for the movable platform to move from the current position to the specified pose; overcomes the work of picking goods from the manual shelf in the prior art In order to solve the technical problems of large quantity, single and trivial, and manual repetitive operations, the unit of the docking device and the interaction between each unit are designed through intelligent configuration, and the docking device and the docking object can be completed even if the docking object changes its position at will. The perfect docking has achieved accurate planning of the path, and truly realized the technical effect of "machine replacement for labor" in picking up goods from the shelf.
Owner:NANJIANG ROBOT

Wall painting information extraction method based on hyperspectral imaging

The invention discloses a wall painting information extraction method based on hyperspectral imaging. The method comprises the following steps of: 1, acquiring original hyperspectral image information of a wall painting in a preset region; and 2, extracting draft information of the wall painting, pigment information of the wall painting and disease information of the wall painting according to the original hyperspectral image information. According to the wall painting information extraction method based on the hyperspectral imaging, the wall painting information is extracted and analyzed according to the advantages of a hyperspectral technology, so that the shortcomings of large working amount, large error, multiple manmade factors and the like of the conventional wall painting information investigation and analysis method are overcome; the wall painting information extraction method has the characteristics of quickness and effectiveness; the shortcoming of insufficient spectral information in dispersion wave band in a multi-spectrum technology is overcome; and the wall painting information extraction method has the advantages of spectrum continuity and rich data and is favorable for quick, effective and scientific analysis of wall painting information, so that instruction and basis are supplied to deep research and protective repair on the wall painting information.
Owner:BEIJING UNIV OF CIVIL ENG & ARCHITECTURE

Tracking and controlling system and tracking method for heliostat

The invention provides a tracking and controlling system and a tracking method for a heliostat. The tracking and controlling system comprise a dual pitch heliostat, a biaxial tilt angle sensor, a machine vision initial error correction system and a host control system, wherein the biaxial tilt angle sensor is used for measuring the real-time tilt angles between the north-south dimensionality and the east-west dimensionality of the mirror plane of the dual pitch heliostat and the horizontal plane; the machine vision initial error correction system is used for correcting the initial mounting error of the biaxial tilt angle sensor; vectors of a solar incident ray in a certain time and a local place are calculated according to the sun position algorithm; theoretical east-west and north-south tilt angles of the dual pitch heliostat relative to the horizontal plane are calculated according to the geometric tracking algorithm; difference valves between the theoretical tilt angles and actual tilt angles, fed back by the biaxial tilt angle sensor, of the dual pitch heliostat are obtained by comparing the theoretical tilt angles with the actual tilt angles; a motor is driven to rotate by an on-site controller of a controlling device according to the difference values; when the difference values are zero, the motor stops rotating, and the tracking is accomplished.
Owner:INST OF ELECTRICAL ENG CHINESE ACAD OF SCI

Environment-friendly energy-saving pipeline inner wall spraying device

ActiveCN109013124ASolve problems such as poor performanceSimple radius adjustmentLiquid spraying apparatusElectric controlConductor Coil
The invention discloses an environment-friendly energy-saving pipeline inner wall spraying device. The device comprises an externally-arranged to-be-sprayed pipeline, a movable mounting cylinder is coaxially arranged in the middle position of the interior of the to-be-sprayed pipeline, a plurality of guide adjusting movable structures are arranged on the outer side of the movable mounting cylindercooperating with the inner wall of the to-be-sprayed pipeline in an equal angle manner, a conical face liquid storage barrel is arranged on the left end of the movable mounting cylinder in an extendmanner, and a liquid inlet pipe is horizontally inlaid in the middle position of the left end of the conical face liquid storage barrel; a rotary pressurization material guiding structure is inlaid inside the movable mounting cylinder, a conical face spraying cylinder is rotationally installed on the right side of the movable mounting cylinder, each guide adjusting movable structure comprises a plurality of limiting guide mounting cylinders arranged at equal angles on the outer side of the movable mounting cylinder, and electric control winding wheels are installed at the bottom of the limiting guide mounting cylinders correspondingly in a semi-inlaid mode. According to the device, the structure is compact in design, the pipeline operation radius is easy to adjust, an atomization sprayingprocess is smooth, the atomization spraying is uniform, and passing ability is good.
Owner:南通宝得利机械制造有限公司

Whale and dolphin Click-like sound and traditional sonar signal classification method and device

The invention belongs to the field of marine applied acoustics. In order to provide a new artificial classification method for underwater acoustical signals with stable classification results, low workload, good subjectivity, accurate feature extraction, high classification accuracy, and good adaptability, the invention provides a whale and dolphin Click-like sound and traditional sonar signal classification method and device. The device includes three subsystems: a signal preprocessing subsystem, a signal time-frequency feature extraction subsystem, and a signal time-frequency feature classification subsystem. The signal preprocessing subsystem comprises: a hydrophone, a sound storage medium, a sound de-noising module and an endpoint detection module. The signal time-frequency feature extraction subsystem comprises a signal short-time Fourier transform preprocessing module, a signal time-frequency contour extraction module, a signal time-frequency contour curve fitting and signal time-frequency feature extraction module. The whale and dolphin Click-like sound and traditional sonar signal classification method and device are mainly applied to marine applied acoustics.
Owner:TIANJIN UNIV

3D image stitching method and apparatus

The invention relates to the technical field of image stitching, in particular to a 3D image stitching method and apparatus. The method includes the steps of obtaining images which are to be stitched and shot by a distributed camera in a target monitoring area, wherein an overlapping area in a set ratio is arranged between every two stitched images; determining the position correspondence of image feature points of the images to be stitched; determining a geometric projection plane through overall orientation information of the image feature points; projecting all of the images to be stitched to the geometric projection plane according to the position correspondence of the image feature points to determine an overall diagram framework; stitching the images according to overall coordinates of the image feature points to obtain a three-dimensional panoramic image. The3D image stitching method and apparatus can quickly perform stitching for images in the target monitoring area to achieve 3D scene display and effectively overcomes the deficiencies of heavy workload, long cycle and model re-use difficulty of existing reverse three-dimensional modeling so as to perfectly meet the actual needs of three-dimensional scene display of users.
Owner:华雁智能科技(集团)股份有限公司

Evaluation device and method of well cementation flushing efficiency

InactiveCN104863533AReliable evaluationControl variableFlushingWell cementingFilter paper
The invention provides an evaluation device and method of well cementation flushing efficiency. Designed according to the Reynolds number equality theory, the device comprises a simulated well casing, a heating water tank, a power pump and an electromagnetic flowmeter, wherein the simulated well casing mainly comprises an inner barrel and an outer barrel; the inner barrel comprises an inner barrel body, steel screen meshes with different mesh numbers and an inner barrel end cover; the inner barrel can simulate a stratum under the circumstance that the steel screen meshes are covered with filter paper or the inner barrel is filled with quartz sand; the outer barrel can rotate; guide vanes with different forms are designed to simulate a casing pipe. The method is easy to operate, high in comparability and low in workload, can effectively form a filter cake, simulate and evaluate the characteristics of the flushing efficiency under the circumstance that the casing pipe rotates or a spiral centralizer is used, can evaluate the flushing efficiency of flushing fluid for a first interface and a second interface, can evaluate and optimally select the flushing fluid system and design the dosage of the flushing fluid, and is wide in application.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Traditional Chinese medicine asiaticoside carrying core/shell structure nanometer fiber film preparation method and wound dressing use

The invention discloses a preparation method and use of a traditional Chinese medicine asiaticoside carrying core / shell structure nanometer fiber film. The traditional Chinese medicine asiaticoside carrying core / shell structure nanometer fiber film is prepared from a lactic acid / glycollic acid copolymer (PLGA) as a shell and polycaprolactone (PCL) as an inner core through a coaxial electrospinning method. The preparation method has the advantages of use of easily available raw materials, operation easiness, good controllability and large scale industrial production easiness. The traditional Chinese medicine asiaticoside carrying core / shell structure nanometer fiber film can be used for wound dressing and has the advantages of controllable drug loading amount, high drug utilization rate and excellent wound healing promoting effect.
Owner:杭州珈晟生物数字技术有限公司

Planar special-shaped non-circular grinding contouring control method

The invention relates to a planar special-shaped non-circular grinding contouring control method which includes the steps of (1) initializing parameters including rho, t, Rs, re and q; (2) finding a grinding wheel center position O2 and a grinding wheel center track rotation angle theta 1 by means of the formula, wherein the grinding wheel center position O2 and the grinding wheel center track rotation angle theta 1 correspond to any special-shaped contouring point O1 under a coordinate system xOy, and the coordinate system xOy takes the rotation center O of a special contouring as the coordinate origin; (3) shifting the coordinate system according to an eccentric distance re, and calculating the grinding wheel center displacement and a grinding wheel center track rotation angle theta 2 under a coordinate system x0O0y0, wherein the coordinate system x0O0y0 takes the rotation center O0 of a C-axis as the coordinate origin; (4) solving a grinding wheel center displacement X and a grinding wheel center track rotation angle theta with a center height difference q; (5) determining a C-X axis interpolation relation according to the obtained grinding wheel center track rotation angle theta and the grinding wheel center position X.
Owner:SHANGHAI MACHINE TOOL WORK

Color recognition-based robot tracking method

The invention relates to a color recognition-based robot tracking method. The method comprises the following steps of: step 1, capturing an image by using a camera mounted on a robot; step 2, analyzing the captured image and obtaining position coordinates of a specific color object; and step 3, generating a control instruction according to the position coordinates of the specific color object, controlling action of the robot, circularly executing the steps 1 to 3, and stopping the motion of the robot until the distance from the robot to the specific color object is less than a set value. The method is rational in design; by adopting a color recognition-based navigation tracking mode, the method can be realized by capturing the image with the camera and easily analyzing and processing and the captured image; the problems of complex algorithm, large operation and high consumption of system resource existing in the conventional visual navigation mode are solved; and the method has the characteristics of simple algorithm, small operation, high real-time property, small occupancy of the system resource and the like.
Owner:SHANGHAI PAXING INFORMATION TECH

Method of analyzing resonance stability of flexible DC transmission access system

The invention provides a method of analyzing the resonance stability of a flexible DC transmission access system. A node admittance matrix of the flexible DC transmission access system is analyzed, the resonance mode of the system is determined, and the stability of the system is further judged. In view of the application scene of analyzing the resonance stability problem of the flexible DC transmission access system, the flexible DC transmission access system resonance stability analyzing method can comprehensively analyze the resonance mode existing in the flexible DC transmission access system, and the stability of the system is judged. The resonance stability judgment method overcomes the problems of a large workload and unknown parameters of a state space method, and in comparison with an impedance analysis method, the scanned resonance mode is more complete, the stability of the whole system is more accurately judged, and some reference and guidance are provided for actual engineering planning and construction of the flexible DC transmission engineer.
Owner:YUNNAN POWER GRID

Cleaning agent for solar panel

The invention relates to a cleaning agent for a solar panel. The cleaning agent comprises the following components by mass percent: 10 to 30 percent of surface active agent, 10 to 30 percent of solvent, 0.5 to 5 percent of electrostatic resisting agent, 10 to 30 percent of antifreezing agent, 2 to 5 percent of softening agent and 5 to 20 percent of oil removing agent. The solar panel is conventionally cleaned manually and rinsed mechanically at present, and the traditional way for cleaning the solar panel has the weaknesses such as high labor cost, large workload, high risk, complexity in operation, halfway cleaning, short washing period and the like. The cleaning agent for the solar panel is strong in decontamination capacity, anti-electrostatic, wide in environmental applicability, good in stability, low-foam, nondestructive for the glass surface, free from peculiar smell, toxic-free, corrosiveless, inflammable, unexplosive and free from polluting the environment.
Owner:WUHAN ZHUOCHENG PHOTOVOLTAIC NEW ENERGY CO LTD

Optimal well-location deployment method and device aiming at small fault block reservoir

ActiveCN107939372AHigh yieldIncrease net present valueFluid removalWell placementPetroleum
The invention discloses an optimal well-location deployment method and device aiming at a small fault block reservoir, and belongs to the technical field of petroleum exploitation. The optimal well-location deployment method comprises the steps that 1, the proportion of injection-production units in a block is determined; 2, the geometric boundary of the block is extracted; 3, an initial well location is determined in the geometric boundary of the block; 4, on the basis of the initial well location, the injection-production units are added one by one, and the well locations of the newly-addedinjection-production units are optimized until the recovery ratio or the net present value is no longer increased; and 5, the most proper number of the injection-production units is selected accordingto the relation curve and the actual target between the number of the injection-production units and the recovery ratio. According to the optimal well-location deployment method and device, convergence is good, factors such as the plane geometric shape of a fault block, the size of the fault block, spatial distribution characteristics of an oil sand body, heterogeneity of a reservoir stratum, anddirectionality of the permeability are fully taken into account, and the recovery ratio or the net present value of the reservoir can be increased.
Owner:中科数智能源科技(深圳)有限公司

Internet of things-based multi-source data connection system

The invention discloses an Internet of things-based multi-source data connection system. The system comprises embedded hardware equipment, embedded software equipment, intermediate service equipment and application equipment which are connected in turn. The Internet of things-based multi-source data connection system can overcome the defects of low geographic distribution adaptability, high networking cost, low Internet of things data transmission reliability, large maintenance workload and the like in the prior art and has the advantages of high geographic distribution adaptability, low networking cost, high Internet of things data transmission reliability and small maintenance workload.
Owner:XINJIANG ZHIXIANG TECH

Method for discriminating requirements of ultra-high voltage (UHV) line steady-state overvoltage device

The invention relates to a method for discriminating requirements of an ultra-high voltage (UHV) line steady-state overvoltage device, which is based on the lossless transmission line theory. According to the lossless transmission line theory, the voltage relationship and the current relationship between any two points on a line can be analyzed as long as distribution parameters of wires are known. By using the characteristic, the method analyzes the voltage distribution situations when a power system with a UHV idle line operates, comprehensively considers the parameters, the lengths and the high-resistance configurations of UHV wires, and judges whether steady-state overvoltage problems occur in the UHV line and whether a steady-state overvoltage device needs to be configured. Traditional discriminating methods completely use power system simulation software to conduct large amounts of verbose simulations, however, the discriminating method of the invention overcomes the problems, has the characteristics of good adaptability, simple operation and less calculation amounts, and can be used for the quick discrimination of the requirements of a UHV steady-state overvoltage device.
Owner:CHINA ELECTRIC POWER RES INST +1

Automatic verification method of latching logic

An automatic generation method of automatic verification method of latching logic comprises the following steps: firstly, according to a primary system graph, establishing a data chain table capable of expressing system electric topology and determining an operation task; secondly, selecting virtual operation equipment and analyzing the type of the operation equipment; and finally, according to the type and the current state of the equipment, adopting corresponding equipment latching logic verification rule as basic verification latching logic to output a verification result and finish the verification process. The automatic generation method can effectively overcome the disadvantages of preliminary manual compiling of latching logic rule including heavy workload, possible omission of the latching logic rule and difficult maintenance, and ensure that operation steps meet the requirements of the latching logic; moreover, the method can improve the operating safety of a power network to effectively avoid human body casualty accidents.
Owner:西安辰方思创科技有限公司

Visual identification system of direct-reading water meter and identification method thereof

The invention discloses a visual recognition system of a direct-reading water meter and a recognition method thereof. The recognition system sets the corresponding numerical value 0 on ten arc segments indicating 0 to 9 on the circumferential surface of each character wheel of the direct-reading water meter. The two-dimensional code identification of ~9, the identification method includes the following steps: 1) taking the image information of the direct-reading water meter dial; 2) removing the noise in the image by using median filtering and Gaussian filtering on the dial image; 3) passing the two-dimensional code The positioning information of the logo is used to calibrate the image angle; 4) the threshold value of the dial image is calculated, and binarization is performed, and the gray value greater than the threshold is set to the maximum gray value 1, and the gray value smaller than the threshold is set to 0; 5) Recognize the value of each character wheel in the dial image separately, and combine the recognized values ​​of each character wheel into the water meter reading. The invention obtains the water volume reading of the direct-reading water meter by identifying the two-dimensional code, effectively solves the problem of insufficient memory of the single-chip microcomputer, and reduces the cost of the water meter visual system.
Owner:UNIV OF JINAN

Cable on-line monitoring device for wireless transmission

The invention provides a cable on-line monitoring device for wireless transmission, belongs to the technical field of electric power systems, and particularly relates to the cable on-line monitoring device for wireless transmission. Measured signals are extracted through current sensors, amplified and filtered through amplifying and filtering circuits, and transmitted to a singlechip through sampling circuits, and the singlechip can assemble the signals into a fixed message format for transmission, so that the defects such as long measurement period, large measurement workload, less measurement data, no continuity and the like in the prior art can be effectively overcome.
Owner:武汉朗德电气有限公司

Aircraft designing and manufacturing method based on aerodynamic force mathematical model and aircraft thereof

The invention provides an axial symmetry aircraft manufacturing method based on an aerodynamic force mathematical model, which is characterized by comprising the following steps: 1, establishing an aerodynamic force mathematical model; and 2, performing construction simulation on flight mechanics, a control system, a structural system and an electrical system of the aircraft according to the aerodynamic force mathematical model, and manufacturing the aircraft according to a construction simulation result. The method is suitable for an axisymmetric aircraft or an approximately axisymmetric aircraft with any number of control surfaces, the aerodynamic mathematical model starts from rudder deflection of each control surface instead of controlling rudder deflection channel combination, the model expression is simplified, the limitation of a control strategy is got rid of, the defects of an existing linear mathematical model and an existing nonlinear mathematical model in the aspects of workload, data accuracy, use flexibility and the like are overcome, the advantages of the linear mathematical model and the advantages of the nonlinear mathematical model are considered, and efficiency is improved.
Owner:SHANGHAI INST OF ELECTROMECHANICAL ENG

Method for precisely determining mitochondrion whole genome sequence of eriocheir sinensis

The invention relates to a method for precisely determining a mitochondrion whole genome sequence of eriocheir sinensis and the whole genome sequence obtained by using the method. The method comprisesthe following steps of (1) extracting the whole genome DNA in eriocheir sinensis muscle tissues, building a gene library, and performing sequencing by using a second generation sequencing technology;(2) screening a sequencing read segment by referring to the mitochondrion whole genome sequence of closely related species; eliminating nuclear DNA segments; then performing mitochondrion genome splicing; and performing prediction annotation on the protein-coding genes, rRNA and tRNA of the spliced mitochondrion genome; and (3) comparing the spliced mitochondrion genome sequence and the mitochondrion genome sequence of the closely related species; performing PCR amplification on a corresponding second generation sequencing sample according to a conservative region by referring to a mitochondrion whole genome sequence design primer of the closely related species; sequencing a PCR amplification product by using a first generation sequencing technology; and correcting the spliced mitochondrion genome sequence. The method has the advantages of high speed and high accuracy.
Owner:SHANGHAI OCEAN UNIV

Application of relA gene in increase of moenomycin yield of streptomyces bambergiensis and strain

The invention provides an application of a relA gene in increase of the moenomycin yield of streptomyces bambergiensis, as well as obtained relA gene blocking engineering bacteria, namely, streptomyces bambergiensis 1203 for producing moenomycin and an application of the streptomyces bambergiensis 1203, wherein the strain is preserved in China General Microbiological Culture Collection Centre, the preservation number is CGMCC No. 7237, and the collection date is January 31, 2013. According to the application and the strain provided by the invention, relA homologous genes on streptomyces bambergiensis chromosomes are blocked by virtue of a molecular biological technique, thus increasing the moenomycin yield, and overcoming the defects of blindness, high screening workload and the like of mutagenesis adopting traditional physical and chemical methods.
Owner:ZHEJIANG UNIV OF TECH

Method for constructing fully prefabricated floor slab partially-overlapped joint and component of joint

The invention relates to a method for constructing a fully prefabricated floor slab partially-overlapped joint and a component of the joint. Dovetail grooves with the wide interiors and the narrow exteriors are arranged on the upper edge of a fully prefabricated floor slab, a shear bolt nail is arranged on a steel beam of a main structure, a long strip-shaped field additional truss steel bar withleft and right clamping convexes is longitudinally arranged on the shear bolt nail in a welded mode, the dovetail grooves comprise rib-out dovetail grooves and non-rib-out dovetail grooves which are arranged at intervals, the field additional steel bars are welded in the relatively-grouped rib-out dovetail grooves, and structural shear steel bar frames are welded in the relatively-grouped non-rib-out dovetail grooves. The constructed joint is an integral structure with multiple built-in trusses so that longitudinal, transverse and vertical displacement movement of the fully prefabricated floorslab can be effectively prevented, splicing is reliable, the service life is long, the joint has the effect that cannot be realized through an existing joint constructed through an overlapped cast-in-place method, the novel method is scientific and reasonable, simple in structure, low in cost, and easy to popularize and implement, and has strong practicability.
Owner:CHINA RAILWAY CONSTR ENG GROUP

Molecular marker in close linkage with head cabbage waxless bright green gene cgl-4 and application of molecular marker

ActiveCN106191231AClose chain relationshipClose genetic distanceMicrobiological testing/measurementDNA/RNA fragmentationGermplasmNucleotide sequencing
The invention provides a molecular marker in close linkage with head cabbage waxless bright green gene cgl-4 and application of the molecular marker. The molecular marker is characterized in that nucleotide sequences of a sense primer and a reverse primer of the molecular marker BCYM000140 are as shown in Seq ID No.1 and Seq ID No.2. The invention further provides a method and a kit for screening head cabbage genetic resources containing the head cabbage waxless bright green gene cgl-4 on the basis of the molecular marker. The marker or the kit has advantages of high specificity and accuracy and is capable of simply and quickly find out whether a tested material contains the waxless bright green gene cgl-4 or not in an early growth period of plants to make it convenient for targeted execution of subsequent breeding operations.
Owner:INST OF VEGETABLE & FLOWERS CHINESE ACAD OF AGRI SCI

Functional marker associated with drought resistance of rape in seedling stage and application of functional marker

The invention discloses a functional marker associated with drought resistance of rape in the seedling stage and application of the functional marker. The sequence of the functional marker is as shown in SEQ ID NO:1, and the molecular weight is 465 bp. Application of the functional marker in drought-resistant seedling breeding of rape includes the steps that firstly, the DNA of a rape plant is extracted; secondly, PCR amplification is conducted, wherein the primer sequence F is 5'-TGAGGCTGATAGGATACTGG-3', and the primer sequence R is 5'-CCACGGGCACCTACATTA-3'; thirdly, after the amplification product is subjected to electrophoretic separation with agarose gel with the concentration being 1.5%, it is predicted that draught resistance of the rape plant is good when a specific band of the functional marker with the molecular weight being 465 bp occurs, and it is predicted that draught resistance of the rape plant is poor when the specific band of the functional marker with the molecular weight being 465 bp lacks. The new genetic marker is provided for genetic improvement of drought resistance of the rape in the seedling stage, the problems that a conventional seedling breeding method is large in drought resistance identification workload, the period is long and the method is influenced by the environment easily are solved, selection efficiency of drought resistance seedling breeding of rape is remarkably improved, and the seedling breeding progress of new varieties is accelerated.
Owner:INST OF OIL CROPS RES CHINESE ACAD OF AGRI SCI

Rapid measurement and analysis method for rock mass structural features of underground engineering

The invention relates to a rapid measurement and analysis method for rock mass structural features of underground engineering. The method comprises the following steps that: step one, a survey area isdetermined based on a survey purpose and the area is divided into a plurality of sub areas by using a large geological structure like a fault as a boundary; step two, a plurality of measuring pointsare divided in the survey area, wherein the measuring points are arranged in the survey area at intervals; step three, according to occurrence characteristics of the joints in the range of the measuring points, dominant joint groups are divided and joint measurement windows are arranged by using the center points of the measuring points as centers based on the trend occurrence characteristics of the dominant joint groups; and step four, the measurement and analysis of the tendency, the inclination angle, the average joint spacing and the average trace length of the joint are carried out basedon the joint measurement windows. Therefore, defects of large field work load, many needed measurement field indexes, and statistic analysis work delay due to the joint information full-sample measurement and statistics of the traditional surveying method are overcome; and the rapid and accurate measurement and analysis of rock mass structure surface of underground space are realized.
Owner:NORTHEASTERN UNIV

Primer group and probe capable of simultaneous quantitative determination of pratylenchus neglectus and pratylenchus thornei Sher&Allen and application thereof

ActiveCN104830973AOvercoming the heavy detection workloadOvercoming the high cost of testingMicrobiological testing/measurementDNA/RNA fragmentationQuantitative determinationNematode
The invention discloses a primer group and probe capable of simultaneous quantitative determination of pratylenchus neglectus and pratylenchus thornei Sher&Allen, the primer group includes a primer pair pnF / pnR and a primer pair ptF / ptR, and the probe is prbpt and prbpn. The sequences of the primer pnF / pnR are respectively as shown in SEQ ID NO.1 and 2, and the sequences of the primer ptF / ptR are respectively as shown in SEQ ID NO.4 and 5, and the sequences of the prbpt and prbpn are respectively as shown in SEQ ID NO. 3 and 6. Multiplex real-time fluorescence PCR method established by the primer group and the probe can not only specifically simultaneously determine the pratylenchus neglectus and pratylenchus thornei Sher&Allen from a mixed nematode sample or matrix, effectively overcomes the disadvantages of heavy workload and high detection cost, and can achieve the detection sensitivity of a single nematode. At the same time, the method can also be used for quantitative analysis of the pratylenchus neglectus and pratylenchus thornei Sher&Allen, and has important propulsion significance to actual testing work.
Owner:SOUTH CHINA AGRI UNIV

Method for calculating temperature of IGBT module based on BP neural network

PendingCN110795894AImprove accuracyAvoid temperature rise dummy loading on an IGBT chipGeometric CADDesign optimisation/simulationData packJunction temperature
The invention provides a method for calculating the temperature of an IGBT module based on a BP neural network, and the method comprises the following steps: S1, building a sample set, and enabling the data of the sample set to comprise the loss data of all power elements in the IGBT module and the corresponding junction temperature data; S2, establishing a structure of a BP neural network by taking the loss data as input and the junction temperature data as expected output; S3, performing network training on the BP neural network; S4, inputting the loss data into the trained BP neural network, and calculating actual output; S5, comparing the actual output with the expected output, and judging whether an error is within a preset range or not: S6, if so, performing simulation prediction byusing a current BP neural network; and S7, if not, adjusting the structure of the current BP neural network, and returning to the step S3. According to the method, the junction temperature requirementof the IGBT module can be accurately obtained in real time.
Owner:SHANGHAI JINMAI ELECTRONICS TECH

Method for developing client software

The invention discloses a method for developing client software. The method comprises the steps that based on the feedback and suggestions, about the needed functions of software to be developed, of a user, program codes of the needed functions of the software to be developed are established, after self-inspection is conducted, a program-based bug and quality check file is stored, a tested program is corrected, the program is fed back to a second client side for a secondary test until a test result shows that no bug exists, the program is sent to a second server side for storage, and the test result is recorded; the program codes, without a bug, stored by the second server side are obtained, a application test is conducted, and in the application test process, test experience and improvement suggestions are investigated randomly; after the application test is completed, the test experience and improvement suggestions obtained through random investigation are sent to a first client side. The method for developing the client software overcomes the defects that in the prior art, workload is large, debugging flexibility is poor and work efficiency is low and has the advantages that workload is small, debugging flexibility is high, and work efficiency is high.
Owner:LIUZHOU YIHUBAIYING TECH CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Eureka Blog
Learn More
PatSnap group products