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43results about How to "Have consistency" patented technology

Information embedding and interaction system facing real-time communication and method

The invention relates to an information embedding and interaction system facing real-time communication and a method. The system at least comprises a client end, a server and an information database, wherein the client end comprises a keyword identification unit, a display unit and an interaction display meter; the server comprises a keyword matching unit for keyword matching and an interaction operational unit; and the information database is used for storing a large amount of data information. The system is designed to better provide services for real-time chatting users and information and overcome defects of the existing information embedding technique. Information of the services can be stored in the information database through keywords, accurate search can be achieved through matching of the keywords with the information stored in the information database, and thus cluttered information can be avoided.
Owner:张潇

Begonia cultivating and planting method

InactiveCN102422809AWonderful and unique viewing valueEasy to transportPlant genotype modificationSelf-pollinationOrganic matter
The invention discloses a cultivating and planting method of a begonia named Yinjiao. According to the invention, an artificial pollination method is adopted, begonia dryadis irmsch. is adopted as a female parent, B.'White King' is adopted as a male parent, and sexual hybridization is carried out; an offspring individual plant is subject to self-pollination, and the variety Yinjiao is obtained through selective breeding from an F2 generation colony; the chromosome numbers of the parents and the filial generation are determined; and the variety Yinjiao obtained through the previous cultivationsteps is planted in humic soil under a temperature of 15-25 DEG C and an air relative humidity of 65-75%, where in the humic soil is air-permeating and is rich in organic matters. Also, the drainage of the humic soil is good.
Owner:KUNMING INST OF BOTANY - CHINESE ACAD OF SCI

IP group identification method and device for abnormal user login

The invention relates to an IP group identification method and device for abnormal user login, and the method comprises the steps: obtaining a login log, carrying out the statistics of the login log in each preset period, and obtaining a login frequency sequence of each IP; taking the login frequency sequence as a sample set to train an isolated forest algorithm to obtain a score of each IP address; for each score, obtaining a mode of the score, and obtaining a login log set corresponding to the mode; screening out the frequency sequence of the login log corresponding to the mode from the login frequency sequence, and carrying out binarization processing on the screened-out frequency sequence to obtain a mark of each IP in each period; and according to the mark of each IP in each period, utilizing a kappa algorithm to obtain a kappa coefficient between the data of the login log set, and taking the login log set of which the kappa coefficient is greater than a preset threshold value asan abnormal login group. By applying the embodiment of the invention, the mutually independent black production behaviors between the IPs can be identified.
Owner:SHANGHAI GUAN AN INFORMATION TECH

Method for breeding and planting begonia evansiania 'Kaiyun'

InactiveCN102428866AAdaptableWonderful and unique viewing valuePlant genotype modificationVeinF1 generation
The invention discloses a method for breeding and planting begonia evansiania 'Kaiyun' (a variety of begonia evansiania), which adopts the artificial pollination. The method comprises the following steps: adopting the B. 'Silvery Pearl' as female parent and adopting the B.augustinei Hemsl. as male parent to execute artificial pollination and hybridize; then selecting and breeding from F1 generation group; and testing the number of chromosome of the parents and filial generation, wherein the leaf of the new bred variety of the begonia evansiania B. 'Kaiyun' is in amaranth from which silvery white transmits in young stage; when the leaf grows gradually, the complete color of the leaf is in silvery white with a little amaranth, and excepting the parts of the leaf along the main vein and the lateral veins are in linear green, the rest parts are in silvery white spots. The begonia evansiania 'Kaiyun' is planted in humus soil with rich organic substance, good air permeability and drainage when the temperature is 15-25 DEG C and relative air humidity is 65-75%.
Owner:KUNMING INST OF BOTANY - CHINESE ACAD OF SCI

Light control method, device and equipment for automatically identifying music and storage medium

The invention discloses a light control method, device and equipment for automatically identifying music and a storage medium. The method includes the following steps: acquiring an audio signal; extracting audio characteristics according to the audio signal; acquiring light characteristics according to the audio characteristics and a mapping relationship between the audio characteristics and the light characteristics; generating a light control instruction according to the light characteristics and a lamp address, wherein the lamp address is the address of a lamp under the Art-Net protocol; and according to the light control instruction, controlling the lamp corresponding to the lamp address to work according to the light characteristics. Therefore, the technical problem that a method of manually editing the lighting effect by using PC software in the prior art has high costs and wastes time can be overcome, the music is automatically identified and the lamp is controlled according tothe audio characteristics of the music to generate the corresponding lighting effect, so that the music and the light have consistency, and the entertainment atmosphere can be better rendered; and according to the scheme, the automatic identification is realized, the cost is reduced, and the user experience is also improved.
Owner:GLOWWORM (SHENZHEN) LIGHTING TECH CO LTD

Unified monitoring system of Prometheus monitoring strategy

The invention discloses a unified monitoring system for a Prometheus monitoring strategy, and the system comprises an analysis monitoring module which carries out the explanation of the grammar configuration in a monitoring strategy file, and checks the effectiveness of grammar; a host monitoring module which is used for monitoring and updating the monitoring strategy files of the plurality of hosts in real time and enabling the updating to be consistent; an automatic loading module which is connected to the host monitoring module and is used for realizing automatic loading of Prometheus afterthe monitoring strategy file is updated and providing a rollback function; a unified entry module which is used for setting a data unified entry and storing the written data; and a page operation module which modifies the monitoring strategy file through a page and receives, displays and analyzes the information transmitted by the monitoring module. Page operation is provided, and misoperation isreduced; by checking and explaining related grammars configured for the monitoring strategy, the learning cost is reduced; and the monitoring strategies of Prometheus in multiple hosts are updated inreal time, the consistency of the monitoring strategies is kept, and a rollback function is achieved.
Owner:BEIJING ZHICHI BOCHUANG TECH

Soil testing and formulated fertilization county expert consultation system

The invention discloses a soil testing and formulated fertilization county expert consultation system. The system comprises a farmer operation-oriented touch screen system and a background management PC system, wherein the touch screen system uses a touch screen computer as a carrier; the PC system is electrically connected with the touch screen system and performs timely update and management on data of the touch screen system; the touch screen system comprises a resident identification card login interface, a geographic information system technology and a fertilization suggestion card printing exit; and the touch screen system comprises the geographic information system technology and a decision model, supports data query of GPS information, performs grading evaluation on a condition of abundance or deficiency of soil nutrients according to characteristics of different regions, crops and soils, and provides decisions for users. According to the system, the touch screen is used as the running carrier, so that an interface is tidy and attractive, the operation is simple, the decision data is accurate, the problems of relatively low technological and cultural qualities of farmers, difficulty in applying a soil testing and formulated fertilization technology, and the like are solved, and the purposes of thinking what the farmers think, meeting the needs of the farmers and developing agriculture by science and technology are achieved.
Owner:剑川县农田建设办公室

Document generation method and system, computer equipment and computer readable storage medium

The invention discloses a document generation method, which is applied to a distributed system. The distributed system comprises a management device, a storage device and a processing device; the management device is used for maintaining a document template and uploading the document template to the storage device after maintenance is completed, and the method comprises the steps that the management device responds to a document generation request sent by a user and obtains a document number carried in the document generation request and a user identifier of the user; the management device downloads a document template associated with the document number from the storage device; the management device sends the user identifier and the document number to the processing device; the processingdevice determines a parameter name based on the document number and determines a parameter value corresponding to the parameter name based on the user identifier; the processing device returns the parameter name and the parameter value to the management device; and the management device determines a parameter filling position of the parameter name in the document template, and fills the parameterfilling position of the document template with the parameter value to generate a document.
Owner:PINGAN PUHUI ENTERPRISE MANAGEMENT CO LTD

Bending forming process and tool for square pipe

The invention belongs to the field of machine manufacturing, and particularly relates to a bending forming process and tool for a square pipe. The bending forming process comprises the following steps of (1) designing and manufacturing the tool: designing and manufacturing the dedicated tool according to the requirement of the bending size of the square pipe, wherein the tool comprises a substrate (1), a plurality of circle forming baffles (2) and a plurality of ejecting and pushing devices (3). The substrate (1) is used as the reference datum plane. The circle forming baffles (2) are fixed on the same surface of the substrate (1). The extension connecting lines of the baffles (2) coincide with the inner circle of a workpiece. The ejecting and pushing devices (3) is arranged along the excircle of the workpiece to provide needed external force for bending of the square pipe; (2) prebending the workpiece; (3) fixing the workpiece; (4) conducting hot straightening on the workpiece; and (5) removing the margin: removing the margin of the square pipe, forming a ring body after a joint is welded, and polishing a welding seam to be smooth. Through implementation of the bending forming process, indexes such as the roundness, the planeness and the appearance quality of the ring body after the square pipe is formed through bending can be effectively improved, the processing residual stress is removed, the structural strength of a product is improved, and compared with a conventional square pipe bending forming technology, the cost is low, the precision is high, and the process and the tool are suitable for popularization.
Owner:XINJIANG YIZHITE MACHINERY EQUIP MFG CO LTD

Multi-measurement-in-one data acquisition and database building method for engineering construction project

The invention discloses a multi-measurement-in-one data acquisition and database building method for an engineering construction project. The method comprises the steps of carrying a three-dimensional laser scanner, a camera and other sensors through a ground tripod, a mobile measurement vehicle, an unmanned plane, an SLAM backpack and other multiple platforms, and carrying out the multi-measurement-in-one total-factor acquisition; integrating measurement results and inputting into a 'multi-measurement-in-one' database based on a full-life-cycle geographic entity, and realizing 'multi-verification-in-one' of planning verification, cadastre and real estate through comparison of point cloud and BIM. The method has the advantages of being high in collection efficiency, complete in measurement information, traceable in result, capable of supporting three-dimensional integrated acceptance and the like, and has method demonstration and technical guidance significance for comprehensively promoting in-place 'multi-measurement-in-one' implementation.
Owner:JIANGSU PROVINCE SURVEYING & MAPPING ENG INST

Method and equipment for brain-function analysis and judgment technique system

The embodiment of the invention discloses a method and equipment for a brain-function analysis and judgment technique system. The method comprises the following steps: firstly acquiring brain wave information of a tested subject through an electroencephalograph, transmitting the brain wave information to a computer, and drawing an electroencephalograph image; recognizing and analyzing the electroencephalograph image, determining the type and quality level of graphs, and storing a result into a database; dividing the electroencephalograph image into thirteen graph types according to the stereoscopic impression and aesthetic perception of the graphs and the crossing degree and tightness of lines, dividing the crossing degree of the lines into three angle types including an orthorhombic type, a tangent crossing type and a mixed crossing type, and dividing the graphs into five quality levels of especial excellence, excellence, good, medium and normal according to the areas, line interval, gridding, patterns, stereoscopic impression, fullness, integrity, uniformity, fluctuation and sharp turning of the graphs of the electroencephalograph image; and carrying out comparative analysis on collected data and models in the database by virtue of the database, automatically generating different versions of test reports according to requirements of customers, and automatically sending the test reports to a client. The invention aims at providing the brain-function analysis and judgment method and system which are convenient to use and relatively high in efficiency.
Owner:北京天智脑象科技有限公司

Welding clamp for assembling floor and battery box and manufacturing method

The invention discloses a welding clamp for assembling a floor and a battery box and a manufacturing method, and belongs to the technical field of electric vehicles. The method comprises the following steps of: welding a framework with basically same size as the position of a whole body floor longitudinal beam by using 40*60 rectangular tubes, welding a plate with thickness of 10 to 20 millimeters at the corresponding position of a battery box mounting hole on the longitudinal beam, cutting four section copying blocks according to a section graph of the external size of the longitudinal beam, then flatly milling and drilling the surfaces of a plurality of welded thick plates on the welded framework in a numerical control milling form to make the surfaces of the thick plates on a plane and make holes and battery box mounting hole data consistent, and finally welding the four section copying blocks on the framework at the corresponding positions of the single longitudinal beam as far as possible to obtain the welding clamp for assembling the floor and the battery box.
Owner:BEIJING ELECTRIC VEHICLE

Ultra-high-order harmonic measuring device and measuring method

The invention relates to an ultra-high-order harmonic measuring device and a corresponding measuring method, and belongs to the technical field of electric energy quality detection. An analog input interface of a backboard of the device is respectively connected with corresponding input ends of an FPGA (Field Programmable Gate Array) through a group of filtering conversion circuits which are connected in parallel; each filtering conversion circuit consists of a band-pass filter and a digital-to-analog converter; the digital output interface is connected with the corresponding input end of the FPGA through the backboard network interface and the network physical layer interface; the band-pass filter is composed of analog front-end circuits connected in series and first and second filter circuits connected in paralle; and the output end of the digital-to-analog converter is connected with a corresponding input port of the FPGA. The method on the basis of the device actually realizes correction of a final harmonic calculation result according to actually measured amplitude-frequency characteristics, so that the harmonic measurement precision is improved. By the adoption of the method, measured data can have repeatability and consistency, and the requirements of IEC 61000-4-30 (edition 3.0) can be practically met.
Owner:南京灿能电力自动化股份有限公司

Main reflector interchange structure of satellite communication earth station antenna and technology for main reflector interchange structure

ActiveCN106654593AHigh precisionSolve the problem of unstable surface accuracy of repeated installationMechanical measuring arrangementsAntennasStructural engineeringRadiation beam
The invention discloses a main reflector interchange structure of a satellite communication earth station antenna and a technology for the main reflector interchange structure. The main reflector interchange structure comprises an overall antenna head, wherein the overall antenna head comprises main reflector panels, a center body, radiation beams, truss pull rods, connection plates and installation holes. According to the technical main points, the radiation beams are surrounded by the truss pull rods, are connected with and arranged on the center body through bolts and locating taper pins, are arranged at equal intervals and surround the center body for a circle; a center surface formed by various support lugs of the radiation beams and the center shaft of the center body are on the same surface; molded drilling is adopted by all installation holes in the main reflector panels, the center body and the radiation beams, so that the consistency of the installation holes and the precision of hole sites and hole diameters are ensured; the main reflector panels are formed by mold drawing and are assembled, riveted and molded by adopting a tooling clamp, the radiation beams are molded, processed and produced by adopting a setting mold, and the truss pull rods are processed and produced by adopting the setting mold, so that main reflector interchange is achieved through improvement of these processes.
Owner:盐城市星地通信设备有限公司

Hydrocarbon oil dewaxing experimental instrument and experimental method thereof

The invention discloses a hydrocarbon oil dewaxing experimental instrument and an experimental method thereof. According to the invention, a solvent cylinder and a filter cylinder which are the same as a sample cylinder in specification and dimension and have interchangeability are additionally arranged on the basis of the traditional hydrocarbon oil dewaxing experimental instrument, and the solvent cylinder, the filter cylinder and the sample cylinder are simultaneously positioned in a same cold bath, so that the consistency of solvent temperature, filter temperature and sample temperature is ensured in an experimental process, the difficulty of experimental operation and temperature control which needs to be respectively carried out on the sample cylinder, the solvent cylinder and the filter cylinder in the experimental process, the system errors of an experimental result are decreased, and the parallelism of the experimental result is enhanced; and the automation of solvent addition is realized by adding a solvent metering addition system, so that the labor intensity of manual operation in the experimental process is reduced, the contact opportunity of an experimental operator and toxic chemical components contained in the experimental solvent is reduced, and the occupational health of the experimental operator is favorable.
Owner:CHINA NAT OFFSHORE OIL CORP +3

Data estimation method and device

PendingCN112380273AEnsure that the estimated parameters obtained by regression are consistentHave consistencyRelational databasesSpecial data processing applicationsEstimation methodsBehavioral data
The invention relates to a data estimation method and device. The method comprises steps of obtaining user historical behavior data and historical user portrait data in a first historical time period,and determining first preprocessing data; obtaining user target behavior data in a second historical time period; based on the historical user portrait data, decentralizing the first sub-behavior data, the second sub-behavior data, the target behavior data and the first preprocessing data to obtain third sub-behavior data, fourth sub-behavior data, target behavior processing data and second preprocessing data; regressing the second preprocessed data and the third sub-behavior data to obtain a third sub-behavior data estimated value; performing regression on the third sub-behavior data estimated value, the fourth sub-behavior data and the target behavior processing data to obtain estimated parameters; and obtaining current behavior data and current user portrait data of the user at the current moment, and estimating future behavior data of the user based on the estimation parameters. The method is advantaged in that an endogeny problem can be solved, and the future behavior data of theuser can be accurately estimated.
Owner:BEIJING DAJIA INTERNET INFORMATION TECH CO LTD

College park-oriented catering order intelligent delivery method, storage medium and computer

The invention belongs to the technical field of take-out order delivery, and discloses a college park-oriented catering order intelligent delivery method, storage medium and computer, and the delivery method comprises the following steps: it is judged whether there are riders capable of delivering orders, if there are no riders capable of delivering orders, quitting of the process is carried out, and waiting for the next time slice is carried out; if there is a rider capable of dispatching the order, entering order dispatching algorithm initialization; an order sending algorithm is initialized, order and rider data are read, a meal taking area and a meal delivery area are divided based on a K-means clustering algorithm, and the order receiving priority of a rider is evaluated; a meal taking time prediction model based on a neural network is constructed, and prediction of order delivery time is realized; based on operation optimization, order distribution of campus take-out delivery is realized; and a meal delivery path of the rider is planned based on a genetic algorithm, and the shortest meal delivery path of the rider is obtained According to the invention, the delivery efficiency and the delivery experience are improved, and the delivery cost is reduced; and the workload and professional skill requirements of dispatchers are reduced, so that the labor cost is reduced.
Owner:北京我来文化传媒有限公司

Planar reflective array antenna

The invention discloses a broadband planar reflective array antenna with a wider phase compensation range. The technical scheme adopted is as follows: the planar reflective array antenna includes a feed source and a conductive planar reflective array surface; the feed source is used for emitting or receiving electromagnetic waves; the conductive planar reflective array surface is used for scattering the electromagnetic waves emitted by the feed source into planar waves or receiving the planar waves and converging the planar waves onto the feed source; and a number of reflection units are distributed in an array on the conductive planar reflective array surface, and each reflection unit includes a phase hole and four branches distributed on the phase hole. The planar reflective array antenna is characterized in that twigs extend in the same direction from one side of the branches, the twigs extend near the edges of the phase holes, and slots for are formed between the twigs and the edges of the phase holes to adjust and control phase compensation and working frequency.
Owner:尚光林

Correction method and correction system of photosensitive circuit board

PendingCN112631624AGood factory performance consistencySimplify the board structureSoftware deploymentCode compilationData combinationElectrical and Electronics engineering
The invention discloses a correction method and a correction system of a photosensitive circuit board. The correction method of the photosensitive circuit board comprises the following steps: collecting an illuminance-photosensitive signal data combination of an unburned photosensitive circuit board by using a photosensitive element; and in the process of burning the photosensitive circuit board, recompiling the illuminance-photosensitive signal data combination acquired by the photosensitive element and a source program, and burning the illuminance-photosensitive signal data combination and the source program to the photosensitive circuit board. According to the correction method of the photosensitive circuit board, when products with corresponding photosensitive circuit boards are produced in batches, the corresponding products have good delivery performance consistency.
Owner:厦门骏微电子科技有限公司

Display detection method and system

The invention discloses a display detection method and system. The method includes the following steps of controlling the to-be-tested display to display a preset test picture; using the image acquisition device for acquiring a preset test picture displayed by the display to be tested so as to acquire a detection image; obtaining a to-be-corrected region from the detection image based on the plurality of boundaries corresponding to the preset test picture and detected from the detection image; geometrically deforming the to-be-corrected area to obtain the detection area and geometric deformation parameters of the detection area; judging whether the to-be-detected display is normal or not based on the pixel characteristic value in the other detection area obtained according to the geometric deformation parameter.
Owner:PEGATRON

Energy data processing method and device, equipment and storage medium

Embodiments of the invention provide an energy data processing method and device, and a storage medium. The method comprises the steps of encrypting an energy data set of multiple target devices acquired from a data center, and generating a task allocation strategy corresponding to the energy data set; according to a task allocation strategy, respectively sending energy data in the energy data set to a plurality of block chain nodes, so that each block chain node respectively adds the received energy data into a block chain system; sending a second message to each block chain node according to the received first message, and after receiving a confirmation message returned based on the second message from each block chain node, performing carbon emission data calculation on the energy data of the to-be-carbon transaction device to obtain target carbon emission data; and if the target carbon emission data is higher than the preset emission amount, generating a carbon emission bill and sending the carbon emission bill to the carbon transaction waiting device. According to the scheme, repeated calculation of the carbon emission data can be avoided, and then the validity of energy station carbon emission data authentication is improved.
Owner:上海创能国瑞新能源科技股份有限公司

Cold press molding process for carrier body

The invention discloses a cold press molding process for a carrier body. The cold press molding process is characterized by comprising the following process steps of a, performing fixed-length blanking on a seamless steel tube; b, reducing the diameter of one end of the seamless steel tube; c, bending the tube; d, necking down one end of the seamless steel tube; and e, performing local flattening forming on the wall of the seamless steel tube in a forming mold, and filling the interior of the seamless steel tube with steel balls during flattening forming and blocking the two ends movably. According to the cold press molding process for the carrier body, the carrier body is subjected to cold press molding through the seamless steel tube, the process is simple, and the molded carrier body is high in strength, low in cost, high in size accuracy and attractive in appearance.
Owner:ZHEJIANG LIFUDE MACHINERY

Landing segment robust fusion method based on multi-beam ranging, velocity measurement and inertia

The invention discloses a landing segment robust fusion method based on multi-beam ranging, velocity measurement and inertia. A second-order dynamic system for a detector height and a vertical velocity, and a virtual height for detector ranging are firstly built, the virtual height for detector ranging is used to build a unified linear equation of the detector height and the vertical velocity, optimal unbiased estimation is obtained, and robust estimation for the height and the vertical velocity is further obtained; then, a dynamic equation of a velocity of the detector in relative to a planetand a measurement equation of a detector velocity measurement sensor are built, and further, the unified linear equation and the linear unbiased estimation for the detector velocity are further obtained; and finally, according to the linear unbiased estimation for the velocity of the detector in relative to the planet, with the help of a variance upper bound theory, the robust estimation for thevelocity of the detector in relative to the planet is obtained.
Owner:BEIJING INST OF CONTROL ENG

Use method for adhesive sheet

ActiveCN106413293AEnsure consistencyEnsure the consistency of the size expansion and contraction of adjacent core boards in multi-layer PCBMultilayer circuit manufactureSize changeCopper foil
The invention discloses a use method for adhesive sheet which belongs to a PCB manufacturing field and comprises the following steps: providing a core plate; preparing at least four copper plates on the core plate; measuring the distances among the copper plates and recording them as initial distances; setting an identical adhesive sheet respectively at the upper side and the lower side of the core plate; and setting a copper foil at the side of the adhesive sheet away from the core plate; performing lamination to the adhesive sheet and the core plate; measuring the distances among the copper plates after the lamination process of the copper foil, the adhesive sheet and the core plate and recording them as the final distances; calculating the difference between the final distances and the initial distances and recording it as the change value; and based on the measured initial distances and the final distances among the copper plates, obtaining the size changing trend of the adhesive sheet so as to infer the influence of the adhesive sheet on the size of the core plate in the PCB manufacturing process.
Owner:DONGGUAN SHENGYI ELECTRONICS

Bolt hanging type support of car shell paint detecting module

The invention discloses a bolt hanging type support of a car shell paint detecting module. The bolt hanging type support comprises a bottom plate support, and a fixed block is arranged in the bottom plate support. Symmetric I-shaped springs are arranged on the two sides of the fixed block, and tension linkage devices are arranged at the ends, away from the fixed blocks, of the I-shaped springs. Straight rods are arranged at the ends, away from the I-shaped springs, of the tension linkage devices, and a baffle is arranged between the two straight rods and located at the upper ends of the straight rods. A detecting module is arranged between the baffle and the bottom plate support, and a plurality of equidistant bracing wire openings are formed in the baffle. Grooves are formed in the opposite sides of the two straight rods, and a plurality of II-shaped fixed blocks are arranged on the side walls of each groove at equal intervals. II-shaped springs are arranged on the sides, close to thedetecting module, of the II-shaped fixed blocks. The bolt hanging type support is simple in structure and convenient to use, a good spraying effect is achieved, the consistency of test panel manufacturing is achieved, and the manufacturing efficiency is improved under the condition of ensuring the detecting quality.
Owner:陕西海嵘工程项目管理有限公司

Site-in-the-loop test system and test method oriented to vehicle-road cooperation technology

The invention relates to a site-in-the-loop test system and test method oriented to the vehicle-road cooperation technology, and belongs to the technical field of vehicle-road cooperation test. The system comprises a perception fusion layer, a data transmission layer and an application layer, and point cloud data are recorded and played back to form a virtual test environment; and according to the method, the tested vehicle can interact with the virtual vehicle in the virtual test environment in the site, various extreme scenes are repeatedly drilled, so that the test method with consistency and repeatability is constructed, a convenient, efficient and low-cost test scheme is provided for the V2X to-be-tested vehicle / equipment, and the test result is closer to the performance in the real environment.
Owner:招商局检测车辆技术研究院有限公司

A planar reflectarray antenna

The invention discloses a broadband planar reflective array antenna with a wider phase compensation range. The technical scheme adopted is as follows: the planar reflective array antenna includes a feed source and a conductive planar reflective array surface; the feed source is used for emitting or receiving electromagnetic waves; the conductive planar reflective array surface is used for scattering the electromagnetic waves emitted by the feed source into planar waves or receiving the planar waves and converging the planar waves onto the feed source; and a number of reflection units are distributed in an array on the conductive planar reflective array surface, and each reflection unit includes a phase hole and four branches distributed on the phase hole. The planar reflective array antenna is characterized in that twigs extend in the same direction from one side of the branches, the twigs extend near the edges of the phase holes, and slots for are formed between the twigs and the edges of the phase holes to adjust and control phase compensation and working frequency.
Owner:尚光林

How to use the adhesive sheet

The invention discloses a use method for adhesive sheet which belongs to a PCB manufacturing field and comprises the following steps: providing a core plate; preparing at least four copper plates on the core plate; measuring the distances among the copper plates and recording them as initial distances; setting an identical adhesive sheet respectively at the upper side and the lower side of the core plate; and setting a copper foil at the side of the adhesive sheet away from the core plate; performing lamination to the adhesive sheet and the core plate; measuring the distances among the copper plates after the lamination process of the copper foil, the adhesive sheet and the core plate and recording them as the final distances; calculating the difference between the final distances and the initial distances and recording it as the change value; and based on the measured initial distances and the final distances among the copper plates, obtaining the size changing trend of the adhesive sheet so as to infer the influence of the adhesive sheet on the size of the core plate in the PCB manufacturing process.
Owner:DONGGUAN SHENGYI ELECTRONICS

Hydrocarbon oil dewaxing experimental instrument and experimental method thereof

The invention discloses a hydrocarbon oil dewaxing experimental instrument and an experimental method thereof. According to the invention, a solvent cylinder and a filter cylinder which are the same as a sample cylinder in specification and dimension and have interchangeability are additionally arranged on the basis of the traditional hydrocarbon oil dewaxing experimental instrument, and the solvent cylinder, the filter cylinder and the sample cylinder are simultaneously positioned in a same cold bath, so that the consistency of solvent temperature, filter temperature and sample temperature is ensured in an experimental process, the difficulty of experimental operation and temperature control which needs to be respectively carried out on the sample cylinder, the solvent cylinder and the filter cylinder in the experimental process, the system errors of an experimental result are decreased, and the parallelism of the experimental result is enhanced; and the automation of solvent addition is realized by adding a solvent metering addition system, so that the labor intensity of manual operation in the experimental process is reduced, the contact opportunity of an experimental operator and toxic chemical components contained in the experimental solvent is reduced, and the occupational health of the experimental operator is favorable.
Owner:CHINA NAT OFFSHORE OIL CORP +3

A kind of high temperature and wear-resistant nano-ceramic valve plate and its technology

ActiveCN112066081BExcellent mechanical shock resistanceAvoid crackingValve arrangementsCeramic shaping apparatusNanoceramicHigh heat
The invention discloses a high-temperature-resistant and wear-resistant nano-ceramic valve plate and its technology, which adopts the preparation of castables, material testing, manufacture of heat-resistant steel support frame and valve plate formwork, installation of plastic caps, pouring molding, maintenance, First low-temperature baking, second high-temperature firing, finished product acceptance and other steps, before baking and firing, the step of installing a plastic cap is added. After firing, the plastic cap can be melted, so that the anchor nail and the valve The expansion gap can be formed between the plate bodies, which can give the valve plate a certain expansion space, prevent the valve plate from cracking when heated and expand, and prolong the service life of the valve plate. After a low-temperature baking, a second high-temperature baking is added The firing temperature reaches the working condition of actual use, so that after firing, the product is tested by placing the formed valve plate in a medium-high temperature to simulate the working condition to ensure the quality of the product.
Owner:CHANGXING ZHENGHAO REFRACTORY MATERIAL
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