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Aircraft magnetic disturbance field model parameter calculating method
InactiveCN103837845AImprove targetingAvoid solution errorsMagnitude/direction of magnetic fieldsMagnetic disturbanceModel parameters
The invention belongs to the field of compensation for aircraft magnetic disturbance fields, and particularly relates to an aircraft magnetic disturbance field model parameter calculating method. The aircraft magnetic disturbance field model parameter calculating method comprises the steps of measuring an environment magnetic field of a tested area, measuring a fixed magnetic field and an inductive interference field of a carrier, calculating model parameters of the inductive interference field, measuring a vortex interference field of the carrier, and calculating model parameters of the vortex interference field. The three magnetic disturbance fields of the carrier are measured and calculated gradually in the testing process, and testing pertinence is enhanced; calculating errors caused by the carrier movement coupling according to a traditional method are avoided by effectively controlling the carrier to move; calibration flying necessary in the traditional method is avoided through off-line tests and calculation, and testing resources are saved; the magnetic field of the testing environment can be effectively controlled, and errors caused by the unstable magnetic field of the tested area according to the traditional method are avoided.
Owner:HARBIN ENG UNIV
Method for determining number of stereoscopic image subjective assessment testees and experiment data
InactiveCN103873854AGuaranteed reliabilitySave experimental resourcesTelevision systemsSpecial data processing applicationsImaging qualityConfidence interval
The invention discloses a method for determining the number of stereoscopic image subjective assessment testees and experiment data, and relates to the field of stereoscopic image quality subjective assessment. The method comprises the following steps of through analyzing preprocessing data, determining the number of the subjective assessment testees by perverting a confidence interval formula to shorten an experiment cycle and reduce the cost; performing a subjective assessment experiment by utilizing the determined reasonable number of qualified testees, including the processes of establishing a stereoscopic image database, selecting reasonable testing environmental conditions, selecting the testees according to standards and training and testing the testees; lastly, according to the image quality subjective assessment standard regulation and the Grubbs' test method, eliminating abnormal testees and reasonably screening abnormal data in experiment data to avoid the influence of the testees, the experiment environment and other uncertain factors on the accuracy of an experiment result. The method is based on stereoscopic image quality subjective assessment, and the accuracy of the experiment data result is improved from the angle of statistics.
Owner:TIANJIN UNIV
Method for determining acceleration factors in EM testing structure
ActiveCN101923124ASave experimental resourcesElectronic circuit testingResistance/reactance/impedenceFurnace temperatureElectrical resistance and conductance
The invention discloses a method for determining acceleration factors in an EM test structure. The method comprises the following steps: measuring the resistance temperature coefficient of the EM test structure by adopting current which cannot cause Joule heat on the EM structure in a furnace temperature rising process; 2, accelerating current in the condition of at least three groups of current after the furnace is heated to a preset temperature, wherein at least two groups ensure that the EM test structure generates different Joule heats, and measuring the resistance value of the EM test structure under the condition of different currents; 3, calculating the actual temperature of the EM test structure under the condition of different currents according to the resistance temperature coefficient an the resistance value; 4, performing EM experiment, and acquiring the center life of each group under the experimental condition after the experiment is completed; and 5, calculating the acceleration factors according to a black equation by using the actual temperature value and the current condition of the EM test structure and the center life. The method can reduce the cost for measuring two acceleration factors Ea and N of the EM test structure, and improves the production efficiency.
Owner:SHANGHAI HUAHONG GRACE SEMICON MFG CORP
Virtual experiment table used for teaching
InactiveCN104517489AImprove scalabilityIn line with operating habitsInput/output for user-computer interactionCosmonautic condition simulationsSomatosensory systemHolographic imaging
The invention is suitable for a virtual experiment table which is realized mainly through a 3D holographic imaging technology and a somatosensory technology. Specifically, the invention provides a virtual experiment table which can almost completely replaces an existing student experiment table, and students can experience operation processes of replication experiments in person, and according to operation of the students, the virtual experiment table shows different experiment results for the students. The virtual experiment table has six main functions of 3D imaging, motion identification, face identification, experiment selection, operation error correction, and experimental demonstration, so as to solve problems in conventional experiment teaching processes that students are lack of operational ability and deep understanding for various experiment phenomenon, and that consumption of various experimental equipment is large.
Owner:NANJING ZHUANCHUANG INTPROP SERVICES
Air conditioning test device
InactiveCN109580262AEasy to testImprove accuracyStructural/machines measurementAir volumeEngineering
The invention provides an air conditioning test device, comprising a wind speed sensor, a support frame and a main bracket. The wind speed sensor is mounted in a support frame. The support frame is movably mounted on the main bracket. The air conditioning test device of the present invention can adjust the position distribution of the wind speed sensor according to the size of the outlet of the air conditioner. The test is simple, convenient, efficient and fast, and the data accuracy is high. The wind speed data of each test area can be read at the same time. The distribution of the wind in each test area is clear and intuitive, at a glance. The overall distribution of the wind outlets can be tested effectively. Furthermore, the laboratory that performs the noise test can be used for windspeed measurement, which saves labor and machine disassembly time. At the same time, measurement deviation caused by multiple disassembly and assembly and different working conditions can be avoided.
Owner:AUX AIR CONDITIONING LTD BY SHARE LTD
A method of predicting cycle life of lithium battery and uses thereof
ActiveCN112364486AReduce mistakesImprove universalityElectrical testingDesign optimisation/simulationCapacity lossBattery charge
The invention discloses a method for predicting the cycle life of a lithium battery and application of the method. The method comprises the steps that a capacity attenuation model shown in the formulaI is established, Qloss represents the capacity loss rate, T represents the cycle temperature, N represents the number of cycles, and alpha, beta, gamma and lambda are all model parameters to be solved; determining experiment conditions according to the battery type and the battery use temperature range, and performing battery charge-discharge cycle test under different experiment conditions to determine values of model parameters alpha, beta, gamma and lambda, thereby obtaining a capacity attenuation model suitable for a specific battery type; and utilizing the obtained capacity attenuationmodel to predict the cycle life of the same type of to-be-tested battery at a specific use temperature. The prediction method is higher in accuracy, can more accurately predict the cycle life of the similar battery at a certain cycle temperature, provides technical support and theoretical basis for replacement when the battery reaches the end of the life, can reduce the test cost, shortens the test period and saves the experimental resources, and is suitable for popularization and application.
Owner:KUNSHAN BAOTRON NEW ENERGY TECH CO LTD
Aluminum anode oxidation dual-test-piece experiment device
InactiveCN103255460AAffect qualityAffect production qualityAnodisationElectrolysis componentsAluminum anodeLead electrode
The invention relates to an aluminum anode oxidation dual-test-piece experiment device which comprises a DC (direct-current) stabilized power supply and a glass container, wherein the glass container are symmetrically provided with two combined lead electrodes; the middle part of the glass container is provided with two anode oxidation test pieces; two negative electrode leads out of a DC stabilized power supply negative electrode terminal are respectively connected to the middle parts of the upper surfaces of the two combined lead electrodes; and two positive electrode leads out of a DC stabilized power supply positive electrode terminal are respectively connected with upper ends of the two anode oxidation test pieces. The experiment device has the most obvious characteristic that dual test pieces can be tested simultaneously, so that the speed and efficiency for preparing test pieces are greatly improved, the research process is accelerated greatly, and limited experiment resources can be saved.
Owner:ZHEJIANG COLLEGE OF CONSTR
Semi-physical simulation system for offshore full-power wind power converter
InactiveCN111221263AAvoid reliabilityAvoid accuracySimulator controlReal-time simulationClassical mechanics
The invention discloses a semi-physical simulation system for an offshore full-power wind power converter. The semi-physical simulation system comprises an upper computer, a real-time simulation unitand a physical control unit. The upper computer is used for inputting simulation parameters of a wind power converter and outputting a simulation control instruction. A main circuit model of the windpower converter is stored in the real-time simulation unit. And the simulation unit is used for simulating the main circuit model according to the simulation control instruction in the current simulation step length, outputting a first signal corresponding to the current simulation step length to the physical control unit, and simulating the next simulation step length of the main circuit model according to a second signal corresponding to the current simulation step length fed back by the physical control unit. The physical control unit is used for processing the first signal corresponding tothe current simulation step length according to a locally stored control algorithm and a logic algorithm; and the processing result is used as a second signal corresponding to the current simulationstep length, and the second signal is fed back to the real-time simulation unit, so that the real-time simulation unit performs simulation of the next simulation step length according to the second signal.
Owner:CSR ZHUZHOU ELECTRIC LOCOMOTIVE RES INST
Method for simulating silicon dioxide coated calcium fluoride based on Materials Studio
ActiveCN112164425ASave experimental resourcesReduce R&D costsChemical processes analysis/designComputational theoretical chemistryKinetic analysisFluoride calcium
The invention particularly relates to a method for simulating silicon dioxide coated calcium fluoride by using Matrials Studio software, which comprises the following steps: 1) constructing an initialmodel to be calculated by using software to obtain a silicon dioxide calcium fluoride molecular structure data file; 2) performing structure optimization on the initial model by utilizing a Force module in software; 3) performing molecular dynamics operation on the model by utilizing a Force module in software; 4) performing dynamic analysis on the model after dynamic processing; 5) calculating the interface distance and energy of the silicon dioxide calcium fluoride molecular structure to obtain distance and energy parameters; and 6) calculating to obtain the adsorption energy between the silicon dioxide and the calcium fluoride. Silicon dioxide coated calcium fluoride with complex procedures in the experiment process is simulated through the computer, detailed analysis is carried out from the atomic level, an experimenter is helped to analyze the simulated coating result, the experiment period is effectively shortened, the experiment cost is saved, a large number of experiments areavoided, and the safety of the experimenter is guaranteed.
Owner:QILU UNIV OF TECH
A method for determining the number of subjects and experimental data for subjective evaluation of stereoscopic images
InactiveCN103873854BGuaranteed reliabilitySave experimental resourcesTelevision systemsSpecial data processing applicationsImaging qualityConfidence interval
Owner:TIANJIN UNIV
Measurement target for characterizing shock wave speed of medium Z opaque material and method
The invention relates to a measurement target for characterizing shock wave speed of a medium Z opaque material and a method, and belongs to the technical field of high-pressure characteristics of thematerial. The measurement target is located at a diagnostic hole of a drive black cavity and comprises an ablation layer, a tracer layer and a sample layer, wherein the ablation layer is arranged toface the diagnostic hole; the tracer layer is made of a transparent material; the sample layer is a medium Z opaque material sample layer, is of a stepped structure and comprises a first sample layer,a second sample layer and a third sample layer which are arranged side by side in sequence, and the thicknesses of the first sample layer, the second sample layer and the third sample layer are increased in sequence. Compared with a traditional wedge-shaped sample, planar sample design is adopted, machining is easy, the machining precision is high, higher-precision measurement can be realized, the requirement for experimental conditions can be broadened to the greatest extent, an experimental result derives from the same driving source, possible difference of the experimental conditions between different times is eliminated, consistency and reliability of data are guaranteed, and meanwhile, experimental resources are saved.
Owner:LASER FUSION RES CENT CHINA ACAD OF ENG PHYSICS
Device for dynamically analyzing and detecting gaseous product
ActiveCN109541084ARich dynamic detection meansDoes not take up spaceComponent separationPressure vessels for chemical processGas phaseEngineering
The invention provides a device for analyzing and detecting a reaction gaseous product, comprising a reaction unit, a separation unit, a detector, and the like, wherein the reaction unit is a high pressure reaction kettle, the lid of which is provided with a pressure gauge, an air inlet and an air outlet; one end of the air inlet is connected to the gas source through a pipeline and a regulating valve, and the other end is connected into the high pressure reaction kettle; one end of the air outlet is connected into the high pressure reaction kettle, and the other end is connected to the separation unit through the pipeline, the regulating valve and a gas flow meter; finally the gas of the reaction unit is analyzed by the detector, and an electric heater is provided around the kettle chamber to provide required temperature for the reaction kettle. The invention can be used for inspecting the gaseous catalytic reaction efficiency or detecting the gaseous product generated during some reaction processes by changing the filling mode of the high pressure reaction kettle and the kettle lid structure, and has the advantages of simple structure, convenient operation and low cost.
Owner:HUBEI INST OF AEROSPACE CHEMOTECHNOLOGY
Method of predicting gap between model tail cavity and supporting rod for wind tunnel test
InactiveCN111189605ASimple forecasting methodEasy to implementAerodynamic testingForecastingEngineeringFeature data
The invention discloses a method of predicting a gap between a model tail cavity and a supporting rod for a wind tunnel test, and relates to the field of experimental fluid mechanics. The method comprises: representing the gap between the model tail cavity and the supporting rod by utilizing a difference value of physical data and characteristic data, wherein the physical data comprises a model tail cavity radius and a supporting rod radius, and the two radiuses are in a difference relation, the characteristic data comprises deflection angle data, model tail cavity supporting rod displacementand supporting rod head displacement, and the deflection angle data and the model tail cavity supporting rod displacement are summed and subtracted from the supporting rod head displacement to obtainan absolute value, the deflection angle data comprises a distance between the model tail cavity and a supporting rod head and a sine value of a model deflection angle, and the two are in a product relation. The method is simple, easy to use and convenient to implement, and can predict the collision of the model and the supporting rod before an experiment is carried out, thereby helping to improveexperiment planning, being conducive to improving experiment precision and experiment efficiency, and saving experiment resources.
Owner:成都陆面体科技有限公司
Method for predicting gap between model tail cavity and supporting rod for wind tunnel test
PendingCN111241762ASimple forecasting methodEasy to implementAerodynamic testingDesign optimisation/simulationSi modelEngineering
The invention discloses a prediction method for a gap between a model tail cavity and a supporting rod for a wind tunnel test, and relates to the field of experimental fluid mechanics. The method comprises the step of representing a gap between the model tail cavity and the supporting rod by utilizing a difference value of physical data and characteristic data. The physical data comprises a modeltail cavity radius and a supporting rod radius, and the two radiuses are in a difference relation. The characteristic data comprises deflection angle data, model tail cavity supporting rod displacement and supporting rod head displacement, and the deflection angle data and the model tail cavity supporting rod displacement are summed and subtracted from the supporting rod head displacement to obtain an absolute value. The deflection angle data comprises the distance between the model tail cavity and the supporting rod head and the sine value of the model deflection angle, and the two are in a product relation. The method is simple, easy to use and convenient to implement, and can predict the collision between the model and the support rod before an experiment is carried out, and the methodfacilitates improving experiment planning, improving experiment accuracy and experiment efficiency and saving experiment resources.
Owner:成都陆面体科技有限公司
A method for identifying Bacillus coagulans
ActiveCN104004846BSave experimental resourcesMicrobiological testing/measurementMicroorganism based processesMicrobiologyGenome
Owner:JIANGSU HFQ BIO TECH CO LTD
Search engine based data processing method and platform
ActiveCN104281691AImprove experimental efficiencySave experimental resourcesWeb data indexingSpecial data processing applicationsInternet searchingData processing
The invention discloses a search engine based data processing method and platform. The method includes: acquiring N*r pieces of initial statistical information within N time periods through search results of a search engine; performing weighted merging on a first average and a first variance of r sample sizes corresponding to r set click positions within each of the N time periods by taking respective sample sizes as weights so as to obtain a second average and a second variance after the positions within each of the N time periods are merged; performing weighted merging on the second average and the second variance on time after merging of the N positions so as to obtain an overall average and an overall variance corresponding to the N time periods; acquiring a statistic used for A / B test according to the overall average and the overall variance. By the method and platform, effective inspection can be performed on indexes in internet search through A / B test, and scientific and objective bases are provided for analysts for experiment effect evaluation.
Owner:BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD
Method for establishing zebrafish senile dementia model and application
ActiveCN108935231AReduce drug useAlzheimer's disease symptomsClimate change adaptationAccessory food factorsD-GlucoseSenile dementia
The invention particularly relates to a method for establishing a zebrafish senile dementia model and application. A glucose culture solution and an okada acid culture solution are included,the glucose culture solution and the okada acid culture solution are alternately used for culturing zebrafishes, and a single culture time of the glucose culture solution orthe okada acid culture solution is 22-26 hours. The method disclosedis the first methodwhich alternately cultures the zebrafishes with a specific concentration of the glucose culture solution and the okada acid culture solution, zebrafish senile dementia-like symptoms can be quickly and effectively caused, thereby greatly reducing the dosage of okada acid, and experimental resources are saved.
Owner:BIOLOGY INST OF SHANDONG ACAD OF SCI
A method for correcting deviations of ship sea surface wind speed and wind direction measurement data
ActiveCN107145647BTrue wind speed increasedImproving the quality of true wind direction dataGeometric CADDesign optimisation/simulationAnalysis dataLeast squares support vector machine
The invention discloses a method for correcting the deviation of sea surface wind speed and wind direction measurement data of a ship. The method comprises the following steps: carrying out three-dimensional geometric modeling on a ship body and a superstructure; simulating a blunt-body detour flow airflow field around the ship; carrying out regression modeling by virtue of a least square support vector machine; correcting measurement data of a wind detecting sensor; and solving a sea surface true wind speed and wind direction. High-quality sea surface average true wind speed and wind direction data obtained by virtue of the method can be used for calculating air-sea flux, constructing sea surface wind reanalysis data files, establishing a sea mode driving field, researching an ocean-atmosphere coupled mode and the like. Compared with a method for correcting deviation of sea surface wind by modeling experimental data of an actual ship, the method has the advantages that the blunt-body detour flow airflow field is acquired by virtue of computational fluid mechanics simulation, so that the experimental time can be shortened, and the experimental resources can be saved.
Owner:OCEANOGRAPHIC INSTR RES INST SHANDONG ACAD OF SCI
Pharmacological prediction method for anti-tumor angiogenesis key targets of oldenlandia diffusa
PendingCN114582417ARealize accurate predictionGood guide for experimental researchMolecular designChemical structure searchRelational databasePharmacometrics
The invention belongs to the field of pharmacological research of active ingredients of traditional Chinese medicine, and particularly discloses a pharmacological prediction method for anti-tumor angiogenesis key targets of oldenlandia diffusa, which comprises the following steps: 1) constructing modules including an oldenlandia diffusa ingredient database module and an anti-tumor angiogenesis target module; 2) using molecular docking software to read components and target spots in the modules in batches for molecular docking, and obtaining docking scores; and 3) according to a docking scoring result, constructing a component-target action relationship database to analyze the anti-tumor angiogenesis key active substances of the oldenlandia diffusa and the targets thereof. According to the method, the oldenlandia diffusa active ingredient module and the anti-tumor angiogenesis target spot module are constructed from the construction of the database module through a data evaluation method, and the data module is called through molecular docking software to perform high-throughput simulation docking, so that accurate prediction of the oldenlandia diffusa anti-tumor angiogenesis key target spot is realized, and the prediction accuracy of the oldenlandia diffusa anti-tumor angiogenesis target spot is improved. And experimental research can be better guided.
Owner:JIANGSU VOCATIONAL COLLEGE OF MEDICINE
Test method and special device for longitudinal bending strength of cable-stayed bridge cabin
ActiveCN110987398BReasonable designSave experimental resourcesMachine part testingFlexural strengthPressure data
The invention relates to an experiment method and a special device for the total longitudinal bending strength of a cable-stayed bridge cabin, belonging to the technical field of bending strength measurement; the special device for the experiment includes a cabin, a simulated deck, a cable-stayed bridge, a pile foundation platform and a pressure monitoring system; For the two types of experimental conditions of ship arching and sagging, the experimental device for simulating the arching condition and the experimental device for simulating the sagging condition are designed respectively. The difference between the two experimental devices lies in the location of the cable-stayed bridge; it is located under the deck A pressure sensor is arranged at the joint between the buffer rubber pad on the actuator and the deck, and together with the force measuring device on the cable-stayed bridge, real-time pressure data is collected into the loading state monitoring system. Experimental methods include finite element simulation; result analysis and determination of test points; loading load design; step-by-step loading; data extraction and processing. The invention determines the positions of the experimental measuring points in a targeted manner through the finite element simulation method, saves a large amount of experimental resources, and has broad application prospects.
Owner:HARBIN ENG UNIV
Method for determining acceleration factors in EM testing structure
ActiveCN101923124BSave experimental resourcesElectronic circuit testingResistance/reactance/impedenceFurnace temperatureElectrical resistance and conductance
The invention discloses a method for determining acceleration factors in an EM test structure. The method comprises the following steps: measuring the resistance temperature coefficient of the EM test structure by adopting current which cannot cause Joule heat on the EM structure in a furnace temperature rising process; 2, accelerating current in the condition of at least three groups of current after the furnace is heated to a preset temperature, wherein at least two groups ensure that the EM test structure generates different Joule heats, and measuring the resistance value of the EM test structure under the condition of different currents; 3, calculating the actual temperature of the EM test structure under the condition of different currents according to the resistance temperature coefficient an the resistance value; 4, performing EM experiment, and acquiring the center life of each group under the experimental condition after the experiment is completed; and 5, calculating the acceleration factors according to a black equation by using the actual temperature value and the current condition of the EM test structure and the center life. The method can reduce the cost for measuring two acceleration factors Ea and N of the EM test structure, and improves the production efficiency.
Owner:SHANGHAI HUAHONG GRACE SEMICON MFG CORP
A search engine-based data processing method and platform
ActiveCN104281691BImprove experimental efficiencySave experimental resourcesWeb data indexingSpecial data processing applicationsInternet searchingData mining
The invention discloses a search engine based data processing method and platform. The method includes: acquiring N*r pieces of initial statistical information within N time periods through search results of a search engine; performing weighted merging on a first average and a first variance of r sample sizes corresponding to r set click positions within each of the N time periods by taking respective sample sizes as weights so as to obtain a second average and a second variance after the positions within each of the N time periods are merged; performing weighted merging on the second average and the second variance on time after merging of the N positions so as to obtain an overall average and an overall variance corresponding to the N time periods; acquiring a statistic used for A / B test according to the overall average and the overall variance. By the method and platform, effective inspection can be performed on indexes in internet search through A / B test, and scientific and objective bases are provided for analysts for experiment effect evaluation.
Owner:BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD
Chip resistor
InactiveCN111128488AEasy to useSave experimental resourcesResistor terminals/electrodesResistor mounting/supportingEngineeringProtection layer
The invention discloses a chip resistor. The resistor comprises a substrate, an electrode, a resistor body and a protective layer, wherein two electrodes are symmetrically arranged on the substrate; aresistor body is arranged between the electrodes; the resistor body is electrically connected with the electrode; a protective layer is arranged on an upper surface of the resistor body; a connectinggroove of a grid-shaped structure is dug in the substrate, the connecting groove is formed below the resistor body and is completely covered by the resistor body, an insulating protective fence is arranged between the electrodes, the insulating protective fence and the electrodes are matched to surround and reinforce the resistor body, the protective layer is composed of protective layer single bodies, the resistor body is composed of resistor body single bodies which are arranged in order, and each resistor body single body is formed by bonding a protective layer single body, a resistor andan insulating column in sequence from top to bottom. The chip resistor is favorable for researching the influence of different cutting lengths and cutting shapes on the resistor body in a laboratory,can be repeatedly used, and is favorable for saving experimental resources in the laboratory.
Owner:YONGDING XIANGYI ELECTRONICS CO LTD
Electric appliance testing method and device based on mixed reality
ActiveCN109883743BEasy to testShorten the timeInput/output for user-computer interactionStructural/machines measurementTest efficiencyMixed reality
Owner:GREE ELECTRIC APPLIANCES INC
An efficient and intelligent automatic unfolding device and its application method
InactiveCN104111304BRealize intelligenceEffective height controlComponent separationControl systemEngineering
The invention relates to an efficient intelligent automatic unfolding device which comprises a cylinder body, a cylinder cover, a nylon rope, two pulleys, a glass basket and an intelligent mechanical circuit control system, wherein the intelligent mechanical circuit control system is arranged on the outer wall of the cylinder body; the cylinder body and the glass basket are uncovered hollow cuboids; the glass basket is arranged in the cylinder body, a plurality of triangular holes are formed in a group of opposite side surfaces of the glass basket, and round holes are formed in four top corners of the glass basket; the two pulleys are respectively arranged on two side surfaces of the cylinder body, and two holes are formed in the cylinder body in a position which is parallel to the positions of the pulleys; the nylon rope is used for connecting the glass basket with the pulleys in both sides of the cylinder body through the round holes, and the nylon rope which bypasses the pulleys passes through the holes and then is connected with the intelligent mechanical circuit control system; the cylinder cover covers the cylinder body. The efficient intelligent automatic unfolding device has the advantages of time saving and labor saving, and intellectualization and the automation of a thin-layer chromatography device are realized.
Owner:DALIAN UNIV
A cryogenic platform for in vitro electrophysiological recording
ActiveCN105413783BLow perfusion velocityLow costDomestic cooling apparatusLighting and heating apparatusPeristaltic pumpTemperature control
The invention relates to a low-temperature platform for in vitro electrophysiological recording. The low-temperature platform includes a perfusion slot, a silicone hose, an aluminum tube, a peristaltic pump, a temperature control box, a magnetic table base, a low-temperature fixed platform, and a refrigeration aluminum plate; The perfusion card slot is located on the refrigeration aluminum plate; the refrigeration aluminum plate is fixed on the low-temperature fixed platform through a fixing clip, and the low-temperature solid platform is provided with an ice tank body, a fixed adjustment knob, and a magnetic table seat; the perfusion There is a perfusate outlet on the card slot, and a silicone hose is connected to the outlet of the perfusate fluid, and the other end of the silicone hose is placed in the liquid carrier; two aluminum tube interfaces are provided on the side of the perfusion card slot, and one of the aluminum tubes is The interface is connected to the peristaltic pump through the aluminum tube, and the peristaltic pump is connected to the refrigeration aluminum ring through the aluminum tube, and the other aluminum tube interface is connected to the refrigeration aluminum ring through the aluminum tube; its advantages are: temperature control, high heat dissipation efficiency, Strong anti-interference ability, convenient installation, simple operation, controllable perfusion speed, and low cost.
Owner:SHANGHAI OCEAN UNIV
Visible light communication data transmission system applied to space life science experiment
PendingCN114584215AGuaranteed growthEnable two-way communicationAssociation with control/drive circuitsClose-range type systemsCommunication unitScientific instrument
The invention provides a visible light communication data transmission system applied to a space life science experiment, which comprises a stator plate and a rotor plate, the stator plate is arranged on a load electric cabinet, the rotor plate is arranged on a centrifugal machine, the stator plate and the rotor plate are both provided with communication units, and when a rotor of the centrifugal machine rotates, the communication units are connected with the stator plate and the rotor plate. A bidirectional communication link is established between the rotor plate and the stator plate. According to the visible light communication data transmission system applied to the space life science experiment, the circuit board is installed at the center of the centrifugal machine, the same circuit board is oppositely installed on the load box body, two-way communication is achieved, scientific data generated in a gravity control experiment unit can be downloaded, and the data transmission efficiency is improved. The current situation that complex control experiments are difficult to carry out simultaneously in gravity control experiments and microgravity experiments of space science instruments can be changed, on-orbit replacement of experiment units is supported, and advancement of the space science instruments in China can be guaranteed. A plurality of complex control experiments can be carried out at the same time, and microgravity scientific experiment resources are saved.
Owner:SHANGHAI INST OF TECHNICAL PHYSICS - CHINESE ACAD OF SCI
A device for dynamic analysis and detection of gas phase products
ActiveCN109541084BRich dynamic detection meansDoes not take up spaceComponent separationPressure vessels for chemical processThermodynamicsGas phase
Provided is a device for analyzing and detecting reaction gas phase products, including a reaction unit, a separation unit, a detector and the like. The reaction unit is a high-pressure reactor, and there are pressure gauges, air inlets and outlets on the lid. One end of the inlet is connected to the gas source through a pipeline and a regulating valve, and the other end is connected to the high-pressure reactor; one end of the outlet is connected to the To the high-pressure reactor, the other end is connected to the separation unit through pipelines, regulating valves, and gas flow meters. Finally, the gas in the reaction unit is analyzed through a detector. There is an electric furnace on the periphery of the reactor cavity to provide the required temperature for the reactor. By changing the filling mode of the high-pressure reactor and the structure of the lid, the invention can be used not only for investigating the gas-phase catalytic reaction efficiency, but also for detecting some gas-phase products produced in the reaction process, and has simple structure, convenient operation and low cost.
Owner:HUBEI INST OF AEROSPACE CHEMOTECHNOLOGY
Mixed reality-based electric appliance test method and device
ActiveCN109883743ASave time going back and forthSave experimental resourcesInput/output for user-computer interactionStructural/machines measurementTest efficiencyMixed reality
The invention discloses a mixed reality-based electric appliance test method and device. The device comprises an acquisition unit, a display unit and a somatosensory unit, wherein the acquisition unitis used for acquiring three-dimensional scene information of an electric appliance in a first room and somatosensory information of a plurality of sites in the first room; the display unit is used for displaying a virtual first room for a tester according to the three-dimensional scene information; and the somatosensory unit is used for enabling the tester to obtain somatosensory of correspondingsites in the first room according to the current sites of the somatosensory information and the tester in the virtual firs room. Through displaying the virtual first room, the tester can obtain visual experience same as the first room and the tester can obtain somatosensory same as the first room, so that users do not need to reach the first room to carry out electric appliance test, thereby saving the roundtrip time, saving the experiment resources, reducing the cost, enabling the tester to test electric appliances at a plurality of different places, and improving the test efficiency.
Owner:GREE ELECTRIC APPLIANCES INC OF ZHUHAI
Enrichment detection method and application of five antitumor drugs in a blood sample
ActiveCN111562322BEasy to unifySave experimental resourcesComponent separationFluid phaseBlood concentration
The invention discloses an enrichment detection method and application of five antitumor drugs in a blood sample. The method comprises the following steps: adjusting the pH value of the blood sample by using an alkaline solution; enriching a target object by adopting a mixed mode filler with C8 (C18) and anion exchange capacity, then using liquid chromatography-tandem mass spectrometry for analysis, and establishing a standard curve by an internal standard method to calculate the concentration of the drugs in the blood sample, wherein the concentrations of anti-tumor drugs related to three structural types can be simultaneously determined. The method has the advantages of high flux, quickness, high extraction recovery rate and no matrix effect, meets the quantitative requirements of various mass spectrometric devices, and can be applied to blood concentration monitoring of the five drugs clinically.
Owner:大连润生康泰医学检验实验室有限公司
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