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Bloom continuous casting production course processing simulation and reappearance system
A bloom continuous casting production course processing simulation and reappearance system belongs to the field of metallurgy continuous casting production course simulation. The system comprises three functional modules including an object-oriented display module, a database storage module and a simulation calculation module; wherein, the object-oriented display module comprises an input unit and an output unit; the input unit is used for setting and initializing system data and the data set in the input unit are stored in the database; the output unit is used for displaying the calculation results of the system; the simulation calculation module comprises a data receiving unit, a dynamic cell tracking unit and a process model judging unit. The simulation and reappearance system of the invention is convenient for diagnosis, research and analysis of actual production process flows and realizes the function of reappearance of field production course processing, thereby providing quantitative data support for the research on process diagnosis and slab quality.
Owner:NORTHEASTERN UNIV
Alternating current entering alarming device of transformer substation direct current power source system
InactiveCN104316883AEasy to checkImprove stability and reliabilityCurrent/voltage measurementPower supply testingSignal amplifierTransformer
The invention discloses an alternating current entering alarming device of a transformer substation direct current power source system. The alternating current entering alarming device of the transformer substation direct current power source system comprises a sampling isolating circuit, a signal amplifier, an analog-digital converter, a real-time monitoring processor, a data storage device, a master control module and an alarming module, wherein the output end of the sampling isolating circuit sequentially passes through the signal amplifier and the analog-digital converter and is further connected with the input end of the real-time monitoring processor, the real-time monitoring processor is connected with the master control module and the data storage device, and the output end of the master control module is connected with the input end of the alarming module. The alternating current entering alarming device of the transformer substation direct current power source system can monitor an alternating current entering direct current power source system in real time, give an alarm in time and carry out route selection on branches with alternating current entering when alternating current with the amplitude ranging from 10V to 250V enters the direct current power source system and largely facilitate checking of grounding failures for workers, thereby improving stability and reliability of the direct current power source system. The alternating current entering alarming device of the transformer substation direct current power source system can be widely applied to the field of power monitoring.
Owner:ANSHAN POWER SUPPLY COMPANY OF STATE GRID LIAONING ELECTRIC POWER COMPANY +1
Portable rainfall system
ActiveCN105259597ALow costEasy to carryRainfall/precipitation gaugesWithdrawing sample devicesRainwater harvestingStormwater
The invention relates to the technical field of rainfall, and especially relates to a portable rainfall system. The system comprises a rainfall collection device and a rainfall storage device. The rainfall collection device comprises a rainfall collection container and the rainfall storage device comprises a rainfall storage container. The wall of the rainfall collection container is provided with a plurality of first overflowing holes, and the distances from the plurality of first overflowing holes to the bottom of the rainfall collection container are equal. The wall of the rainfall storage container is provided with a plurality of second overflowing holes, and the distances from the plurality of second overflowing holes to the bottom of the rainfall storage container are equal. Any one first overflowing hole of the rainfall collection container is communicated with any one second overflowing hole of the rainfall storage container. The objective of the invention lies in providing the portable rainfall system, so as to simply the structure of a rainfall system to reduce the cost of the system. The invention also solves a technical problem that a rainfall sample cannot be collected in the prior art.
Owner:TIANJIN UNIVERSITY OF TECHNOLOGY
Shock absorber tension and pressure measuring instrument and detection method thereof
InactiveCN103217244ASimple structureAccurate performance judgment resultsApparatus for force/torque/work measurementMeasuring instrumentEngineering
The invention provides a shock absorber tension and pressure measuring instrument and a detection method thereof, which overcome the defects that existing measuring equipment measures data incompletely, and is low in measurement precision and free of a function of perfecting parameter statistics and analysis. The shock absorber tension and pressure measuring instrument comprises a supporting frame, wherein the supporting frame is provided with an operation desk; a motor is arranged below the operation desk; the output shaft of the motor vertically penetrates through the operation desk and is connected with a transmission component in a driving way; the outer end of the transmission component is movably connected onto a sliding component; a tension and pressure detection position is arranged on the sliding component; a tension and pressure sensor is positioned on the tail end of the tension and pressure detection position; the tension and pressure sensor is connected with an amplifier filter, an A / D (Analog / Digital) converter, a microprocessor and an upper computer in sequence; and the microprocessor controls and is connected with the motor through a driving circuit. The detection method of the shock absorber tension and pressure measuring instrument comprises the steps of pressure collection, conversion, judging, storage, transmission, motor control and the like. The shock absorber tension and pressure measuring instrument and the detection method thereof have the advantages of being simple in structure of the instrument, reliable to act, rational in detection program design and clear in detection parameters, thereby being beneficial to further research and analysis.
Owner:SHANDONG UNIV OF SCI & TECH
Communication system for inland lake observation network
ActiveCN113938928AAvoid congestionImprove communication efficiencyDigital data information retrievalSpecial data processing applicationsEngineeringData acquisition module
The invention discloses a communication system for an inland lake observation network, and relates to the technical field of communication. The system comprises a data collection module which is used for collecting observation data of an inland lake through an inland lake observation network in response to a preset data collection instruction; a data analysis module which is used for analyzing the received observation data, and classifying the observation data according to observation coefficients, wherein different transmission paths are selected for different data, so that base station congestion is effectively avoided, and the communication efficiency and communication quality are improved; a data transmission module which is used for selecting a corresponding base station to access the data collection module according to a preset rule to form a transmission path and sending the observation data to an observation center; and a data monitoring module which is used for retrieving, downloading and monitoring the observation data stored in a storage module, and judging whether the observation data needs to be updated or not. According to the invention, the latest observation data of a corresponding lake can be timely collected, and the observation personnel can conveniently research and analyze the observation data, so that application values of the observation data are improved, and the communication efficiency is improved.
Owner:广州浩瀚电子科技有限公司
Method, system and device for monitoring data remote transmission and receiving
ActiveCN103944959ASolutions varySolve operational problemsData switching networksCommunication interfaceComputer compatibility
The invention relates to a method, system and device for monitoring data remote transmission and receiving. Monitoring data are obtained through communication interfaces of one or more instruments, and are merged according to a certain sequence into a path of merged monitoring data conforming to the same protocol to be transmitted out in a wireless mode. Due to the fact that the monitoring data are merged according to the certain sequence and converted into the data conforming to the same protocol to be transmitted out, the problems that due to the facts that the communication interfaces of the instruments are different, and protocols of communication structures are incompatible, operations and information exchange between heterogeneous networks are difficultly carried out are solved. In conclusion, the method, system and device for monitoring data remote transmission are high in compatibility and capable of collecting various kinds of monitoring data at the same time and remotely transmitting the monitoring data to a client in a non-interfering mode.
Owner:何颖 +4
First-order fixed-value control system regulating valve fault diagnosis method and system
InactiveCN110687885ARich sources of dataImprove reliabilityElectric testing/monitoringFault detection algorithmControl system
The invention relates to a first-order fixed-value control system regulating valve fault diagnosis method and system. The method comprises the following steps: setting different types and different intensities of faults for a first-order fixed-value liquid level control system online, and analyzing fault characteristic values according to discrete data points; acquiring sensor detection data and regulating valve opening data of a normal stable system online to obtain a fault detection threshold value, and determining a fault detection algorithm; determining a fault estimation algorithm; establishing a fault qualitative model; and carrying out example verification of fault diagnosis methods and systems. The method and system can be widely applied to online fault diagnosis of the regulatingvalve of the first-order constant value control system.
Owner:CHINA JILIANG UNIV
Query system and query method thereof based on structured report data
PendingCN110751998AConvenient queryEasy for research and analysisDatabase management systemsSpecial data processing applicationsMedical imaging dataData mining
The invention provides a query system based on structured report data. The query system comprises a database module, which is used for storing medical image data of a patient; a query item definitionmodule, which defines all query item data corresponding to the medical image data, and divides the query item data into a plurality of query groups according to attributes of structured report parameters; a query condition definition module, which defines all query conditions, wherein the query conditions comprise character type query conditions, digital type query conditions and multi-choice interface query conditions; and a query module, which matches the query item data with query data based on the query item data selected by a user on a structured report query interface, the query conditions and the filled query data, extracts the query item data meeting the query conditions from the database module, and outputs a query result. The invention further discloses a query method based on the structured report data. According to the invention, doctors can inquire various data such as basic information of patients and structured report data, so that the doctors can analyze the data conveniently.
Owner:北京赛迈特锐医疗科技有限公司
Method for determining residual stress of sealing ring of solid rocket engine under high pressure
ActiveCN106066905ASolve elusive problemsEasy for research and analysisApparatus for force/torque/work measurementSpecial data processing applicationsResidual deformationPressure difference
The invention relates to a method for determining residual stress of a sealing ring of a solid rocket engine under high pressure, and belongs to the field of solid rocket engine sealing technology. The method includes the steps of determining related parameters of the solid rocket engine, determining the preload compression deflection of the sealing ring, determining the air pressure difference of the solid rocket engine working under high pressure, determining the deformation rate of the sealing ring under the preload state, solving the residual deformation rate of the sealing ring, and solving the residual stress of the sealing ring. Based on a Mooney-Rivlin model, a threaded connection simplified model and air pressure difference effect model established for a rubber sealing ring, the residual stress of the sealing ring under high pressure effect is determined according to known preload compression of the sealing ring and internal and external air pressure difference of the solid rocket engine, and leakage rate of the sealing ring when the solid rocket engine is under high pressure effect is determined. Theoretical support for improving the assembly process of a solid rocket engine is provided.
Owner:CHONGQING UNIV
Experimental device and method for grouting and filling magnetic slurry fractures
PendingCN114486641AAvoid disturbanceGuarantee the quality of the projectTelevision system detailsColor television detailsAir pumpClassical mechanics
The invention provides an experimental device and method for magnetic slurry crack grouting and filling, the experimental device comprises a steel truss, a crack seepage visualization device to be experimented and a camera are carried on the steel truss, the crack seepage visualization device is connected with a bottom slurry outlet of a multifunctional pressure grouting tank through a grouting pipe, and the camera is connected with the multifunctional pressure grouting tank. The top of the multifunctional pressure grouting tank communicates with a pressure pipe, and the pressure pipe communicates with an air pump. Establishing a flow track and a filling area rule of magnetic grout under the action of different grouting pressures, and establishing a crack grout grouting radial diffusion model; slurry matching parameters are provided for different types of crack grouting repair projects, better filling of the interior of the crack is achieved, and the cost is reduced while the repair quality is guaranteed.
Owner:CHINA THREE GORGES UNIV
Dry distillation equipment for dynamic circulation extraction of spices
PendingCN108485815AAchieve retort conditionsFragrance ingredients are completeEssential-oils/perfumesEngineeringSolvent
The invention discloses dry distillation equipment for dynamic circulation extraction of spices. The dry distillation equipment comprises a dry distillation extraction kettle, a multi-stage condensation recovery device, an air pump and an air preheating device, wherein the dry distillation extraction kettle comprises a raw material bin, a far infrared heating jacket, a temperature probe, an air outlet I and an air inlet I; the multi-stage condensation recovery device comprises an air condenser, a water condenser, a spice collecting tank, a freezing liquid condenser and a liquid N2 cold trap which are sequentially connected by a pipe; the air outlet I of the raw material bin is connected to the air inlet II of the air condenser by a pipe, the air outlet of the liquid N2 cold trap is connected to a passage valve I, the air pump, a passage valve II and the gas preheating device through a pipe, and the gas preheating device is connected with the air inlet I of the raw material bin througha pipe. Air is repeatedly circulated in the system to dynamically complete the process of extracting and recovering spices. The dry distillation equipment has no solvent, and has the outstanding advantages of safety, environmental protection, excellent quality and low cost, and can be used to obtain thermal cracking spices.
Owner:YUNNAN YANGRUI TECH GRP
Multifunctional rumen monitoring device
ActiveCN110897614AEasy to useWeight increaseClimate change adaptationDiagnostic recording/measuringProcess engineeringRumen
The invention relates to a multifunctional rumen monitoring device. The multifunctional rumen monitoring device comprises a shell which is formed by a first shell and a second shell and has a light upper part and a heavy lower part, a protective layer covering the shell; a permanent magnet, a pH sensor, a first temperature sensor, a first pressure sensor, a processor and a power supply unit are arranged in the second shell; and a filter screen is used for protecting the pH sensor. The device has the advantages that through weight distribution, the monitoring device is light at the upper part and heavy at the lower part, so that the monitoring device can float in gastric juice without sinking to the bottom of the gastric juice; data such as pH, temperature, pressure and peristalsis of the rumen can be obtained in real time for a long time, and research and analysis by related personnel are facilitated; the whole device is made of a corrosion-resistant material, and the power supply unitcan provide long-time electric energy supply, so that the monitoring device can be used for a long time; the shape of the device is reasonably designed to prevent rumination from leaving the rumen; and the permanent magnet is integrated in the shell, so that metal substances in gastric juice can be adsorbed, and meanwhile, the weight of the lower part of the shell is increased.
Owner:光明牧业有限公司
Capturing device for magnetic impurities in liquid metal
InactiveCN102784716AIncrease the air gap magnetic field strengthMultiple captureHigh gradient magnetic separatorsMotor driveCopper
A capturing device for magnetic impurities in liquid metal comprises a magnetic field system, a wire net, a crucible, a smelting tank, a sealing system, a fastening connecting rod, a support platform, a motor, a belt and a gas passageway; permanent magnets in the magnetic field system are placed in limit slide blocks on a guide rail and provide a magnetic field through a magnetic yoke; the crucible is arranged in the smelting tank as a liquid metal container; the wire net is vertically arranged in liquid metal through a rotating shaft; the sealing system comprises a sealing flange, the rotating shaft, a copper sleeve and a sealing oil trough; the position of the wire net in the liquid metal can be changed by adjusting the lifting height of the rotating shaft, and the fastening connecting rod is fixed through a fastening screw so as to fix the rotating shaft; the motor drives the rotating shaft through the belt; and the gas passageway is arranged at the upper end of the sealing oil trough and is used for allowing liquid metal protective gas to pass in and out. The capturing device for magnetic impurities can be used for simulating part of working parameters of magnetic traps in liquid metal and capturing magnetic impurities and is a simple and effective device for research on action of magnetic impurities in liquid metal.
Owner:HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
Data statistics method and device for investment subjects, electronic equipment and storage medium
ActiveCN110928928AImplement extensionsRealize all-round data statisticsDigital data information retrievalFinanceDatasheetEngineering
The embodiment of the invention discloses a data statistics method and device for investment subjects, electronic equipment and a storage medium. The data statistics method comprises the steps: responding to a selection instruction, selecting field data of at least one field of at least one data table from a database, and carrying out the correlation of the field data of the same subject instance;setting a label for each main instance according to the field data corresponding to each main instance; in response to the label tree generation instruction, constructing a label tree model accordingto at least one preset label group; according to the label of each main instance, associating each main instance to a corresponding branch node in the label tree model; and in response to the statistical instruction, determining a to-be-counted node in the label tree model, performing statistics on the subject instance corresponding to the to-be-counted node, and generating a statistical table according to a statistical result, thereby realizing omnibearing data statistics on each investment subject.
Owner:CHINA CONSTRUCTION BANK
Macroscopic examination method of high-manganese high-titanium microalloying steel casting slab
InactiveCN110749467ASimple stepsEasy for research and analysisWithdrawing sample devicesPreparing sample for investigationAlkaline waterManganese
The invention provides a macroscopic examination method of a high-manganese high-titanium microalloying steel casting slab applied to the technical field of steelmaking and continuous casting slabs. The macroscopic examination method of the high-manganese high-titanium microalloying steel casting slab comprises the examination steps that after the slab is out of a fan section, the slab is stackedoffline and cooled to normal temperature; a slab macroscopic sample is cut, the milling machine machining thickness of the examination surface of the slab macroscopic sample is controlled, and the roughness of the examination surface of the slab macroscopic sample is controlled; industrial hydrochloric acid with water are matched to form an acid solution, the acid solution is added to a pickling tank and heated; the slab macroscopic sample is put into the pickling tank for erosion, the examination surface of the slab macroscopic sample is cleaned with alkaline water, and the examination surface of the slab macroscopic sample is blown dry; and the slab macroscopic sample is rated, and the rating result is obtained. According to the macroscopic examination method of the high-manganese high-titanium microalloying steel casting slab, the rating result of the slab macroscopic sample can truly reflect the original slab quality of a continuous casting slab, and basic data are provided for theoptimization of a continuous casting technology and the research on the relationship with the quality of a rolled material.
Owner:MAANSHAN IRON & STEEL CO LTD
Concrete bridge bottom crack detecting device
ActiveCN102243063BStable and continuous acquisitionTake advantage ofTelevision system detailsColor television detailsEngineeringChassis
Owner:HUAZHONG UNIV OF SCI & TECH
Method and system for automatically testing resistance value and marking automobile temperature sensor
InactiveCN112129428ASensitive and meticulous controlImprove test efficiencyResistance/reactance/impedenceThermometer testing/calibrationTest efficiencyManual testing
The invention provides a method for automatically testing a resistance value and marking an automobile temperature sensor. The method comprises the steps of loading a to-be-tested automobile temperature sensor to a position fixer in a constant-temperature water tank; performing temperature detection on the constant-temperature water tank where the to-be-tested temperature sensor is located, and ifthat the temperature of the constant-temperature water tank meets the temperature stability standard is detected, performing resistance value detection on the to-be-tested automobile temperature sensor; comparing the resistance value measured by the to-be-tested automobile temperature sensor with a preset threshold resistance value range; and if the resistance value of the to-be-tested automobiletemperature sensor is within the preset threshold resistance value range, controlling an air cylinder marking mechanism to mark the current to-be-tested automobile temperature sensor, and marking thecurrent to-be-tested automobile temperature sensor as a qualified product. According to the method, an existing manual test on the automobile temperature sensor is optimized and improved into an automatic test, so that the test efficiency and the test reliability are improved. The whole process of testing the automobile temperature sensor is more visually shown on test software, and test data isautomatically stored locally, so that later tracing and research analysis are facilitated.
Owner:XIAOGAN HUAGONG GAOLI ELECTRONICS
Temperature distribution calculation method and system suitable for zinc oxide arrester
PendingCN111985075ACalculation speedImprove efficiencyData processing applicationsDesign optimisation/simulationEngineeringInfrared temperature measurement
The invention provides a temperature distribution calculation method and system suitable for a zinc oxide arrester. According to the invention, sunlight radiation and wind speed are converted into corresponding boundary conditions to be applied to the temperature field simulation model; therefore, the temperature distribution rule of the extra-high voltage lightning arrester under the influence ofexternal environmental factors can be researched and analyzed without a temperature rise test with a long period and a large error, and technical support is provided for infrared temperature measurement and fault diagnosis of the lightning arrester.
Owner:ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER COMPANY +1
Bloom continuous casting production course processing simulation and reappearance system
A bloom continuous casting production course processing simulation and reappearance system belongs to the field of metallurgy continuous casting production course simulation. The system comprises three functional modules including an object-oriented display module, a database storage module and a simulation calculation module; wherein, the object-oriented display module comprises an input unit andan output unit; the input unit is used for setting and initializing system data and the data set in the input unit are stored in the database; the output unit is used for displaying the calculation results of the system; the simulation calculation module comprises a data receiving unit, a dynamic cell tracking unit and a process model judging unit. The simulation and reappearance system of the invention is convenient for diagnosis, research and analysis of actual production process flows and realizes the function of reappearance of field production course processing, thereby providing quantitative data support for the research on process diagnosis and slab quality.
Owner:NORTHEASTERN UNIV LIAONING
Hydrops drainage device for cardiovascular medicine department
PendingCN112891647APrevent backflowAffect detection accuracyMedical devicesSuction devicesOral gavageGuide tube
The invention belongs to the technical field of medical instruments, and discloses a hydrops drainage device for the cardiovascular medicine department, which comprises a suction bottle and a bottle rack, the suction bottle is clamped on the bottle rack through a lantern ring, the suction bottle is connected with a suction pipe, a negative pressure pipe and a first flow guide pipe in a sealed mode, the suction pipe is sleeved with a guide pipe, the negative pressure pipe is connected with a negative pressure suction pump. the inner side of the suction bottle is connected with a collecting plate, the lower end of the first flow guide pipe is sleeved with a flow guide pipe adjuster and an arch-shaped buffer pipe, the arch-shaped buffer pipe is connected with a liquid flowmeter, a liquid outlet pipe of the liquid flowmeter is connected with a second flow guide pipe, the second flow guide pipe is connected with a liquid three-way valve, two liquid outlets of the liquid three-way valve are respectively in pipe connection with a first liquid outlet pipe and a second liquid outlet pipe, the first liquid outlet pipe is connected with a first hydrops bottle, and the second liquid outlet pipe is connected with a second hydrops bottle. The hydrops drainage device solves the problems that in the drainage process of an existing hydrops drainage device, a hydrops bottle cannot be replaced, and the hydrops amount detection precision is low, and is suitable for hydrops drainage in the cardiovascular medicine department.
Owner:HEILONGJIANG UNIV OF CHINESE MEDICINE
Power distribution network electric energy quality flexible detection and analysis system
InactiveCN109831027AFlexible configurationEasy for research and analysisCircuit arrangementsElectric vehicle charging technologyPower qualityAlternating current
The invention discloses a power distribution network electric energy quality flexible detection and analysis system and belongs to the power distribution network detection field. The power distribution network electric energy quality flexible detection and analysis system comprises an electric energy monitor. The electric energy monitor comprises an electric energy monitor A installed in a non-linear power supply, an electric energy monitor B installed in an alternating current / direct current hybrid power distribution network, and an electric energy monitor C installed in a load device. The electric energy monitor A, the electric energy monitor B and the electric energy monitor C simultaneously collect electric energy characteristics of three dimensions of the non-linear power supply, thealternating current / direct current hybrid power distribution network and the load device. Based on analysis of a typical complex power distribution network, a rapid detection and analysis method of complex power distribution network electric energy quality parameters is grasped, and the flexible configuration of an electric energy quality management device is realized. Besides, through a verification module, a power grid time domain simulation analysis method is used to detect and calculate each parameter of electric energy quality so as to ensure the rationality of a model.
Owner:ELECTRIC POWER RES INST OF STATE GRID ZHEJIANG ELECTRIC POWER COMAPNY +2
Visualized medical auxiliary inspection equipment
The invention relates to visualized medical auxiliary inspection equipment, belonging to the technical field of medical appliances. The visualized medical auxiliary inspection equipment not only can process clinical inspection data but also can demonstrate to many people in time, thereby being convenient for teaching activities. The visualized medical auxiliary inspection equipment of the invention comprises an observing system and an imaging device, wherein the observing system has a barrel-shaped shell and is provided with an ocular lens, an objective lens, a spectroscope, an optical fiber interface and a mechanical supporting seat, and the optical fiber interface is connected with the imaging device through optical fibers. The invention has the advantages of small volume, low cost and convenient use. When in use, the scene seen by a user who wears the visualized medical auxiliary inspection equipment is shown on the imaging system or other external equipment. The visualized medical auxiliary inspection equipment can be widely applied to scientific research, teaching and medical diagnosis and identification and especially medical diagnosis and teaching of frontal mirrors, indirect laryngoscopes, ophthalmoscopes, skiascopes and other equipment which only can be independently observed by observers, can also be used for drawing, shooting and recording of teaching data, scientific research data and clinical data, and is beneficial to research analysis, teaching demonstration, consultation identification and other works.
Owner:孙渝超 +1
Insect pest motion state monitoring system and method
ActiveCN104935890AEasy for research and analysisReduce workloadImage analysisClosed circuit television systemsMonitoring systemInsect pest
The invention discloses an insect pest motion state monitoring system and method. The insect pest motion state monitoring system comprises a main body and an image acquisition device, wherein an accommodating cavity is formed in the main body; separating plates are arranged in the accommodating cavity; the separating plates partition the accommodating cavity into an insect pest accommodating chamber and at least two observing chambers; the main body is provided with pesticide spray holes corresponding to the insect pest accommodating chamber and each observing chamber respectively; openable valves are arranged between each observing chamber and the insect pest accommodating chamber; and the image acquisition device is used for acquiring image data in each observing chamber. According to the insect pest motion state monitoring system, the image data in each observing chamber is acquired with the image acquisition device, so that plant protection personnel can research and analyze the motions of insect pests to which pesticide is applied. Through the insect pest motion state monitoring method, the motion states of the insect pests to which the pesticide is applied can be recorded, and the workload of the plant protection personnel is relieved.
Owner:GUANGZHOU INST OF RAILWAY TECH
Cable crimping performance test platform and cable crimping performance test method
PendingCN110146439AGuaranteed uptimeEasy to installUsing mechanical meansMaterial analysisMeasurement deviceTest platform
The invention discloses a cable crimping performance test platform and a cable crimping performance test method, wherein the cable crimping performance test platform comprises a crimping mold fixing device, a cable fixing device, a cable moving device, a contact resistance test device, a pressure measurement device and a displacement measurement device, wherein the crimping mold fixing device is used for fixing a crimping mold for crimping a cable; the cable fixing device is used for fixing a to-be-crimped cable; the cable moving device is connected with the cable fixing device; the contact resistance test device is used for measuring contact resistance between the to-be-crimped cable and a connection tube; the pressure measurement device is used for measuring pressure generated by the crimping mold when crimping the to-be-crimped cable; and the displacement measurement device is used for measuring displacement of the connection tube generated after deforming under pressure.
Owner:STATE GRID HEBEI ENERGY TECH SERVICE CO LTD +2
A kind of running-in test method of hydraulic automatic transmission
ActiveCN103364188BHigh strengthReduce damage rateMachine gearing/transmission testingAutomatic transmissionIdle speed
Owner:SPECIAL VEHICLE TECH CENT OF HUBEI AEROSPACE TECH RES INST
A filtration system that prevents cell rupture
ActiveCN109385369BKeep aliveSimple structureBioreactor/fermenter combinationsBiological substance pretreatmentsFilter systemEngineering
The invention provides a filter system capable of preventing cell rupture, comprising a filter, a sample inlet tube, a liquid outlet tube, a bubble monitor, a valve and a control component, wherein a filter membrane is arranged in the filter; the sample inlet tube communicates with the filter; The liquid outlet pipe communicates with the filter; the bubble monitor is arranged on the sampling pipe; the valve is arranged on the liquid outlet pipe; both the air bubble monitor and the valve are connected with the control part. Applying the filtration system of the present invention, the effect is: the overall structure is simplified; through the combined design of the bubble monitor, the valve and the control part, the control part can control the switch of the valve according to the monitoring result of the bubble monitor, and automatically control the filtration process. The termination point ensures that the living cells trapped on the filter membrane are not directly in contact with the air, so that the trapped living cells remain active, which is convenient for the next step of research and analysis.
Owner:THE SECOND XIANGYA HOSPITAL OF CENT SOUTH UNIV
Furnace stopping method for blast furnace anatomy research and spray gun device
ActiveCN110306000AEffectively cut offMake sure there is no air leakBlast furnace componentsBlast furnace detailsCombustionThermocouple
The invention discloses a furnace stopping method for blast furnace anatomy research and a spray gun device. The furnace stopping method is characterized by comprising the following steps that 1) thespray gun device for spraying a filling material into a blast furnace tuyere rotating area is designed and manufactured; 2) short-term damping down of a blast furnace is performed, the spray gun device is arranged to a part of tuyeres of the blast furnace, re-blowing of the blast furnace is performed after the spray gun device is finished arranging; 3) blast furnace blast temperature canceling isperformed, it is ensured that the theoretical combustion temperature at the front of the tuyeres is not higher than the melting point temperature of the filling material; 4) the spray gun device is connected with a spraying machine, and the filling material is sprayed into the blast furnace tuyere rotating area; 5) after the blast furnace damping down and stopping, coal gas is cut off effectively,and blast furnace cooling equipment keeps normal cooling; 6) N2 gas is introduced into the blast furnace, and furnace burden cooling is performed; and 7) a thermocouple is inserted, the thermocoupleis connected into a central control computer to allow the temperature field change to be observed until furnace cooling is finished. According to the furnace stopping method for the blast furnace anatomy research and the spray gun device, the original state of each section of furnace burden of the blast furnace can be well reserved, research and analysis are facilitated, and a relatively good application prospect is achieved.
Owner:MAANSHAN IRON & STEEL CO LTD
Coronavirus knowledge graph generation method and device, electronic equipment and medium
PendingCN113704483AImprove work efficiencyEasy for research and analysisMedical data miningEpidemiological alert systemsAlgorithmTheoretical computer science
The invention provides a coronavirus knowledge graph generation method and device, electronic equipment and a medium. According to one specific embodiment, the method comprises the steps that a coronavirus nucleic acid information set is obtained, coronavirus nucleic acid information comprises coronavirus nucleic acid identification and at least one piece of attribute information, and the attribute information comprises attribute names and attribute values; based on the coronavirus nucleic acid information set, a first knowledge graph is generated, and the first knowledge graph comprises a nucleic acid identification node corresponding to the coronavirus nucleic acid identification, an attribute information node corresponding to the attribute information and a connecting line connecting the nucleic acid identification node and the attribute information node. According to the implementation mode, knowledge mapping of the coronavirus data is realized.
Owner:INST OF MICROBIOLOGY - CHINESE ACAD OF SCI
Large mine stone surface treatment device
PendingCN112571296AEasy for research and analysisAbrasive feedersAbrasive machine appurtenancesMining engineeringElectric machine
The invention discloses a large mine stone surface treatment device. The device comprises a surface softening chamber and a surface treatment chamber, wherein a stone fixing table and an atomizing nozzle are arranged in the surface softening chamber; a rotating shaft connected to the inner bottom of the surface softening chamber is arranged in the center of the bottom surface of the stone fixing table; annular teeth are radially arranged around the stone fixing table; a motor is further arranged at the bottom of the surface softening chamber; a gear meshed with the annular teeth is arranged atthe power output end of the motor; the surface treatment chamber comprises a blast pipe at the top and a pair of rotating chucks; a fine sand circulating pipeline is arranged at the side of the surface treatment chamber; spiral blades are arranged in the fine sand circulating pipeline; the bottom of the fine sand circulating pipeline is communicated with the bottom of the surface treatment chamber; the top of the fine sand circulating pipeline is communicated with the blast pipe; and a fan is arranged in the blast pipe. By means of the device, surface treatment, cleaning and grinding can be conducted on large stones with irregular appearances, and subsequent research and analysis are facilitated.
Owner:WUXI WASHING MACHINERY FACTORY
RNA (ribonucleic acid) extract liquid, preparation method and extraction method of oil palm fruit pericarp RNA
The invention relates to the technical field of biology, and discloses RNA extract liquid, a preparation method and an extraction method of oil palm fruit pericarp RNA. The RNA extract liquid is prepared from common reagents, the preparation method is simple, and the quality is stable and controllable. The RNA of the oil palm fruit pericarp is extracted by adopting the RNA extract liquid disclosedby the invention, the obtained oil palm fruit pericarp RNA has good integrity, good quality, less degradation and less impurities, and the extract time is greatly shortened.
Owner:COCONUT RES INST OF CHINESE ACAD OF TROPICAL AGRI SCI
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