Product
Patsnap Eureka
For R&D, Patsnap Eureka makes reading and utilizing patents & technical documents easy.
Patsnap Eureka AIR
Designed for self-driven R&D workflows. Generate viable solutions, solve complex R&D challenges, empower your innovation with AI.
Patsnap Eureka Materials
Designed for material experts only. Revolutionize your material R&D, from search, analyze, to developing new materials.
Feature
TechResearch
Generate reliable direction feasibility study reports for your R&D in just a few steps.
TechSeek
Discover and master advanced knowledge NOW. Basics, ideas, possibilities, all at once.
TechMind
As an expert in R&D Theories, TechMind can generates customized viable solutions instantly.
TechRisk
Analyze your overall solution with one click, know your potential R&D risks in advance.
TechMonitor
Get weekly tech updates, stay abreast of the latest tech innovations and key insights.
Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
46results about How to "Convenient for experimental observation" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Multifunctional physical simulation test system for coal engineering and coal model test method
ActiveCN106018105AHigh loading tonnageLarge model sizeMaterial strength using tensile/compressive forcesPermeability/surface area analysisTest chamberModel test
The invention relates to a multifunctional physical simulation test system for coal engineering. The system comprises a test chamber, a model forming subsystem, a hydraulic loading control subsystem, a test subsystem and a gas pumping and injecting subsystem, wherein the test chamber comprises a loading frame and a counterforce cover detachably connected to one end of the loading frame; the loading frame and the counterforce cover are coaxially mounted on a base; a guide rail is arranged on the base in an axial direction of the loading frame; and support seats capable of sliding along the guide rail are mounted on the guide rail and are mounted at bottoms of the loading frame and the counterforce cover respectively; a track conveying subsystem for conveying models is detachably connected between the model forming subsystem and the test chamber. The invention further provides a coal model test method. According to the multifunctional physical simulation test system for coal engineering and the coal model test method, operation such as drilling, joint forming, fracturing, coal and gas outburst, excavation and support of underground construction and the like under actions of crustal stress, gas pressure and comprehensive multiple factors can be simulated, and an experimental verification means is provided for coal and gas outburst related occurrence mechanism, prediction and control.
Owner:CHONGQING UNIV
Experiment device and experiment method for high-temperature high-flow-velocity gas flow heat transfer
ActiveCN110057863AEnsure safetyAvoid interferenceMaterial heat developmentAtmospheric airEngineering
The invention discloses an experiment device and an experiment method for high-temperature high-flow-velocity gas flow heat transfer. The experiment device comprises a gas open circuit based on electromagnetic induction heating and pressure accumulation driving, and a water cooling closed circulation circuit. The gas open circuit of the experiment device mainly provides a gas source through a high-pressure gas storage tank, a pressure reduction valve, a regulation valve, a flowmeter and a check valve are arranged between the high-pressure gas storage tank and a heating section to form a circuit pressure and flow measurement module; the heating section is arranged in a pressure container, and an electromagnetic induction heater is adopted to provide heating power to form an experiment section system; a thermocouple and a pressure sensor are arranged on the heating section to form an experiment section temperature and pressure measurement module; and the water cooling closed circulationcircuit guarantees that a high-temperature tail gas working medium is released in the atmosphere under a low-temperature state after the high-temperature tail gas working medium is cooled. By use of the experiment device, high-temperature high-flow-velocity gas flow heat transfer characteristics under different working conditions can be researched, and reliable experiment data is provided for relevant gas cooling reactors, including high-temperature gas cooled reactors, nuclear heat propulsion reactors and the like.
Owner:XI AN JIAOTONG UNIV
Programmable young animal frightening stimulus stress experiment system
InactiveCN102388817ASolve the electric shock without blind areaRealize no blind zone for electric shockOther apparatusReflexBlind zone
The invention relates to a programmable young animal frightening stimulus stress experiment system. The system comprises a stress experiment equipment subsystem and an electric appliance control subsystem, and is characterized in that the stress experiment equipment subsystem and the electric appliance control subsystem are installed in the same sealed sound-insulation box; the electric appliance control subsystem is an electromechanical integrated structure composed of an electronic stimulus control part and a programmable frightening stimulus signal time controller; and the electric appliance control subsystem is installed at top part of an experiment equipment isolation box. The system has the beneficial effects that: the defects in the prior art are overcome; by structure innovation, electric striking without blind zones is achieved as well as wind stimulus and odor stimulus are increased; the programmable experiment system can conveniently provide multiple quantized young animal stress reflection stimulus signals, and research the mouse stress reflex behavior under the condition that multiple mice undergo various frightening stimuli in the same environment; and the stimulus integration scheme can be freely defined according to the preset corresponding stimulus stress environment.
Owner:TIANJIN UNIV OF SPORT
Experimental device for flow field display
InactiveCN102620904ATimely processingPrevent compromising securityHydrodynamic testingExperimental researchFrequency conversion
The invention discloses an experimental device for a flow field display. An air inlet and an air outlet are arranged at two ends of a pipeline respectively; a trace gas generating device is arranged in the pipeline and is close to the air inlet; an axial-flow fan is arranged in the pipeline and is close to the air outlet; an observation section is arranged on the pipeline with the trace gas generating device and the axial-flow fan; a model control device is arranged in the observation section; a laser sheet cutting flow field device and an image data acquisition control device are arranged above the observation section; a steady flow tube bundle is arranged in the pipeline between the trace gas generating device and the observation section; a computer is connected with the model control device, the image data acquisition control device and the axial-flow fan through data transmission lines; and a fan frequency conversion control device is connected between the computer and the axial-flow fan. The experimental device is simple and convenient in control, acquires reliable experimental data and is used for qualitative experimental research for a flow field.
Owner:CHINA UNIV OF MINING & TECH
Electrophysiological comprehensive experiment shielding box
InactiveCN103454314AEasy to replaceEasy to moveMaterial analysis by electric/magnetic meansLiquid tankEngineering
The invention discloses an electrophysiological comprehensive experiment shielding box. The shielding box mainly comprises a box body, a box cover, electrodes, nerve trunk tissue fixing devices and multifunctional liquid tanks, wherein a movable conductive pole assembly, a specimen fixing device, the nerve trunk tissue fixing devices, a thighbone fixing seat of a muscle specimen fixing device, a muscle specimen fixing device screw, a general liquid tank (24) and a side cover of a side drawer sample are arranged in the box boy, and a first handle is arranged on the side cover of the side drawer sample; the box cover is provided with a staff gauge, a gap, an opening and a specimen shielding moisturizing cover or a shielding moisturizing surrounding bucket, wherein the gap is used for moving a sliding positioning block, the opening is correspondingly formed in a muscle fixing device in the box body, the specimen shielding moisturizing cover or the shielding moisturizing surrounding bucket covers the opening, a second handle is arranged on the specimen shielding moisturizing cover, the muscle fixing device comprises the thighbone fixing seat and the muscle specimen fixing device screw, and the shielding moisturizing surrounding bucket comprises two parts, namely a bucket body and a bucket opening. The electrophysiological comprehensive experiment shielding box has the characteristic of convenience in operation and is suitable for popularization and application.
Owner:ARMY MEDICAL UNIV
Oryzias melastigma fertilized egg hatching method
ActiveCN111134056AImprove cleanlinessImprove hatchabilityClimate change adaptationPisciculture and aquariaAnimal scienceSalinity
The invention relates to an oryzias melastigma fertilized egg hatching method, and belongs to the field of aquaculture. According to the oryzias melastigma fertilized egg hatching method, the fertilized eggs are hatched in seawater with different salinity gradients, the physical and chemical conditions for hatching are the temperature being 26-28 DEG C, the humidity being 40-60%, the light intensity being 80-125[mu]mol.m-2.s-1, and the light-dark ratio being 14:10. The fertilized eggs with high cleanliness can be obtained, experimental operations such as embryology experiment observation and microinjection can be carried out conveniently, and the hatching rate of the fertilized eggs can be as high as 94.7% by using the oryzias melastigma fertilized egg hatching method. Moreover, hatched oryzias melastigma can develop, grow and reproduce normally after the long-term observation, and no abnormal phenomena are found.
Owner:山东省海洋科学研究院青岛国家海洋科学研究中心
Method for inducing disease resistance of pepper system by taking phosphite as exciton
ActiveCN105409557AShort experiment cycleGood experimental repeatabilitySeed and root treatmentPlant cultivationSporelingMolecular biology
The present invention relates to a method for inducing disease resistance of a pepper system by taking phosphite as an exciton and an application. The method comprises the following steps: firstly, preparing the phosphite; secondly, producing pepper seedlings; and finally, detecting disease resistance defense reaction performance of a phosphite exciton induced pepper, treating the cultured pepper seedlings with the prepared phosphite in a spraying method, performing inducing treatment for 48 hours, then inoculating the etiolated seedlings with Phytophthora capsici Zoospore suspension liquid, and observing morbidity of the seedlings after 3-5 days to determine the effect of the liquid to induce plant disease resistance. By the method, the phosphite adapted to the field application can be prepared in a time and labor saving manner, meanwhile, disease resistance defense reaction activation is detected, so that the gap of understanding in studying disease resistance of pepper by using phosphite as the exciton to activate defense responses and to enhance disease resistance is filled up, and the method has a great significance.
Owner:INST OF PLANT PROTECTION FAAS
HE dyeing device suitable for batch dyeing of various tissues
PendingCN109283033ASave operating timeEasy to operatePreparing sample for investigationDyeingDrainage tubes
The invention relates to an HE dyeing device suitable for batch dyeing of various tissues. The HE dyeing device comprises a stainless steel multilayer supporting frame, a light-proof liquid storage bottle, a washing liquid storage bottle, a circular porous flow splitting disk, a dropping liquid conduit, a supporting bottom box and a rotatable angle objective table. According to the HE dyeing device provided by the invention, the circular porous flow splitting disk is arranged at a liquid flow conduit, which is similar to a shower head sprinkler type structure, a plurality of drainage tubes areadded, switches are arranged on the drainage tubes, and the number of the switches can be appropriately adjusted according to the experimental needs, and batch dyeing can be simultaneously performedto shorten the operation time; and the rotatable angle objective table is installed in a pulley, the location and angle can be adjusted by a handle, a glass slide neck and liquid waste drainage channel are arranged on the objective table, so that glass slides can be well fixed, and the problem of mutual contamination between the glass slides is solved.
Owner:TIANJIN KANGTING BIOLOGICAL ENG GRP CO LTD
Low-turbulence compact circulating water tunnel experimental device
The invention discloses a low-turbulence compact circulating water tunnel experimental device, comprising a water tank (1), a centrifugal pump (7), and a porous plate (2) and a honeycomb screen (3) which are disposed in the water tank (1). The water tank (1) has a water inlet at the upper part and a water outlet at the lower part at the same side. The porous plate (2) is installed between the water inlet and the water outlet. The honeycomb screen (3) is installed at the water outlet, and has an outlet successively connected a contraction section (4), an experimental section (5) and an expansion section (6). The outlet of the expansion section (6) is connected to the inlet of the centrifugal pump (7). The outlet of the centrifugal pump (7) is successively connected with a backflow section(8), a round-to-square section (9) and a diverging section (10). The outlet of the diverging section (10) is connected to the water inlet of the water tank (1). The hydrodynamic design used by the invention greatly reduces the turbulence of a flow field in the experimental section. The whole experimental device has a compact structure, a small occupied space and low manufacturing cost, which greatly improves the applicability of the water tunnel experimental device.
Owner:XI AN JIAOTONG UNIV
High reliable and high efficient coal ash melting property determinator
InactiveCN101281141AReduce occlusion etc.Guaranteed sample sizeMaterial analysis by optical meansInvestigating phase/state changeDead timeCoal
The invention discloses a coal ash melting property determinator, with high reliability and high efficiency, which belongs to a analysis and test device for coal quality. The device includes a motor shell, a camera arranged inside the motor shell, an observation box, an alundum tube, a gray cone pallet arranged on the porcelain boat of the alundum tube, the observation box includes a square or rectangle box with openings on three side, an anti-half semi-permeable spectroscope which can divide light into two directions vertically arranged inside the box along a certain angle; the gray cone pallet is a stepped gray cone pallet, the a gray cone location tunnel in the front row bottom of the stepped gray cone pallet and the gray cone location tunnel in the back row of step are arranged to stagger. The invention has the advantages of that: not only a trouble of simultaneous observation is resolved, but also each sample is opportunely monitored in an experiment process, therefore, the experiment has no dead time, and determination accuracy is quite improved.
Owner:CHINA UNIV OF MINING & TECH +1
High-enthalpy gas-solid two-phase transverse jet and supersonic airflow coupling generating device and measuring system
The invention discloses a high-enthalpy gas-solid two-phase transverse jet and supersonic airflow coupling generating device and a measuring system. The device comprises a supersonic airflow generator, a pneumatic particle generator, an ethylene / oxygen / air gas generator, and an experimental chamber. Flow field display measurement systems are used to measure the coupling effect of high-enthalpy gas-solid two-phase transverse jet and supersonic airflow in the experimental chamber. The flow field display measurement systems include a filter / photomultiplier tube / ICCD system, a PLIF system, and / ora schlieren system. Various flow field display measurement systems are set on the outside of the experimental chamber. Through the visual window opened on the experimental chamber, the coupling effectof the high-enthalpy gas-solid two-phase transverse jet and supersonic airflow in the experimental chamber is measured, and the measured data is transferred to a computer. The invention can measure the coupling effect of high-enthalpy gas-solid two-phase transverse jet and supersonic airflow.
Owner:NAT UNIV OF DEFENSE TECH
Least square method path prediction algorithm based on commensurability idea
ActiveCN108520044ANot complicatedImprove accuracyForecastingSpecial data processing applicationsTurn anglePrediction algorithms
The invention discloses a least square method path prediction algorithm based on a commensurability idea. Based on a real user trajectory, the algorithm collects a trajectory data set, extracts latitude and longitude data, divides the trajectory according to a time threshold, plans the area where all points from a starting point of the trajectory to a point which not exceeds a distance threshold are located as a moving point, connects each center point between adjacent moving points in the trajectory to form a new trajectory map, obtains angle values corresponding to all adjacent points, obtains a turning angle set according to a angle threshold, verifies the turning angle set through the commensurability, obtains error values of the current trajectory by least square method fitting, predicts a turning angle of a next trajectory of a user according to the error values, and finally plans a path by combining time and speed. Counting and finding out a user movement angle change law can further improve the accuracy of prediction based on the user.
Owner:XI AN JIAOTONG UNIV
A low-turbulence compact circulating water tunnel experimental device
The invention discloses a low-turbulence compact circulating water tunnel experimental device, comprising a water tank (1), a centrifugal pump (7), and a porous plate (2) and a honeycomb screen (3) which are disposed in the water tank (1). The water tank (1) has a water inlet at the upper part and a water outlet at the lower part at the same side. The porous plate (2) is installed between the water inlet and the water outlet. The honeycomb screen (3) is installed at the water outlet, and has an outlet successively connected a contraction section (4), an experimental section (5) and an expansion section (6). The outlet of the expansion section (6) is connected to the inlet of the centrifugal pump (7). The outlet of the centrifugal pump (7) is successively connected with a backflow section(8), a round-to-square section (9) and a diverging section (10). The outlet of the diverging section (10) is connected to the water inlet of the water tank (1). The hydrodynamic design used by the invention greatly reduces the turbulence of a flow field in the experimental section. The whole experimental device has a compact structure, a small occupied space and low manufacturing cost, which greatly improves the applicability of the water tunnel experimental device.
Owner:XI AN JIAOTONG UNIV
Organic simulant conforming to high-temperature viscosity gradual change characteristic in inorganic glass
ActiveCN114395261AEvasion is difficult to observeAvoid hard-to-record problemsComplex mathematical operationsRosinBorosilicate glass
The invention discloses an organic simulant conforming to a high-temperature viscosity gradual change characteristic in inorganic glass. The organic simulant is an organic mixture formed by heating rosin, EVA (Ethylene Vinyl Acetate) resin and terpene resin. The organic simulant conforms to the high-temperature viscosity characteristic rule of inorganic glass (a simulated object) and is consistent with the temperature-viscosity trend rule of the simulated object, and the organic simulant has the temperature viscosity characteristic consistent with the temperature of 900-1700 DEG C of the simulated object at the temperature of 200 DEG C or below; the simulant can be used for carrying out melting clarification and feeding forming research on a simulated object (inorganic glass such as soda-lime glass, aluminosilicate glass, borosilicate glass, substrate glass, microcrystalline glass and low-boron glass), and equipment design and production process guidance can be provided for glass production.
Owner:BEIJING UNIV OF TECH
A micro-channel device for automatic conveying and posture adjusting of young zebra fish
ActiveCN109706054AAdjust location statusImprove injection efficiencyBioreactor/fermenter combinationsBiological substance pretreatmentsEngineeringMicroinjections
A micro-channel device for automatic conveying and posture adjusting of young zebra fish belongs to the field of microinjection. The device is provided to solve a problem that young fish injection atpresent is long in time and low in success rate. An upper-layer module includes an upper plate and a fish conveying unit. A cylindrical boss is on a reversing gear and is provided with a reversing micro-channel. A middle-layer plate is provided with a micro-channel penetrating the center round hole. The right end of the micro-channel is right below a square hopper outlet passage of the fish conveying unit. When the reversing micro-channel is at a lateral position, the reversing micro-channel and the micro-channel are communicated with each other, and the front part of a valve block is providedwith a square stepped through hole in which a rack is disposed. The upper-layer module and a middle-layer module are mounted in a rectangular groove. A first motor is mounted in a first motor mounting hole. A first motor output shaft is provided with a first gear meshed with the rack. The second gear is meshed with the reversing gear. The device is used for microinjection of young zebra fish.
Owner:HARBIN INST OF TECH
Liquid-liquid reaction experimental apparatus based on hydraulic rotary spraying
PendingCN109261112AIncrease contact areaEasy to observeChemical/physical/physico-chemical stationary reactorsLiquid jetReaction rate
The invention provides a liquid-liquid reaction experimental apparatus based on hydraulic rotary spraying, comprising a reaction cylinder, a cylinder cover, and a liquid incoming pipe. The liquid incoming pipe is passed into the cylinder cover from outside and extended into the reaction cylinder; the bottom end of the liquid incoming pipe is provided with a connection terrace; a rotary spraying mechanism is arranged in the connection terrace. The rotary spraying mechanism connected with the liquid incoming pipe is arranged in the reaction cylinder herein; the liquid incoming pipe is connectedwith a miniature water pump; the rotary spraying mechanism sprays a liquid reaction material to the reaction cylinder in rotational manner under the action of liquid pressure, the liquids in the reaction cylinder is driven in compound multidirectional motions, such as vertical motion, anticlockwise and clockwise motions and rolling; contact area is effectively enlarged for the liquid reaction materials; mixing is uniform; reaction is complete. The spraying rate of liquids can be flexibly adjusted by adjusting the power of the miniature water pump, so that reaction rate can be effectively adjusted. Observing the reaction process is convenient for experimental personnel; operation is mechanically automated; experimental data are precise; safety is high.
Owner:QINZHOU UNIV
A Least Square Path Prediction Algorithm Based on the Idea of Commensurability
ActiveCN108520044BNot complicatedImprove accuracyForecastingGeographical information databasesPrediction algorithmsData set
The invention discloses a least square method path prediction algorithm based on a commensurability idea. Based on a real user trajectory, the algorithm collects a trajectory data set, extracts latitude and longitude data, divides the trajectory according to a time threshold, plans the area where all points from a starting point of the trajectory to a point which not exceeds a distance threshold are located as a moving point, connects each center point between adjacent moving points in the trajectory to form a new trajectory map, obtains angle values corresponding to all adjacent points, obtains a turning angle set according to a angle threshold, verifies the turning angle set through the commensurability, obtains error values of the current trajectory by least square method fitting, predicts a turning angle of a next trajectory of a user according to the error values, and finally plans a path by combining time and speed. Counting and finding out a user movement angle change law can further improve the accuracy of prediction based on the user.
Owner:XI AN JIAOTONG UNIV
Micro-fluidic cell culture chip having self-amplifying function
PendingCN111349560ASimplify the experimental environmentUseful for experimental observationBioreactor/fermenter combinationsBiological substance pretreatmentsMicrofluidic chipCell trapping
The invention relates to a micro-fluidic cell culture chip having a self-amplifying function. The micro-fluidic cell culture chip having a self-amplifying function comprises a microlens and a cell capturing and culturing structure, wherein the microlens adopts a two-layer PDMS structure; the cell capturing and culturing structure is located between the two-layer PDMS structure; and a plano-convexlens is constructed directly over a core structure culturing cavity and an intercepting and capturing structure, and the focal distance of the lens cooperates with the thickness of the chip, so that normal amplifying capacity is provided for observation at the subsequent chip self-testing and culturing stage. The micro-fluidic cell culture chip has the beneficial effects that a simple cell filtering and intercepting structure is used, cells are captured, and perfusion culture of the cells is realized; and the lens structure is constructed above the cell culture structure, the micro-fluidic chip has definite amplifying capacity, after the chip is made, details of the structure can be directly seen, chip detection can be quickly and conveniently completed, the cells can also be directly observed at a using stage, experiment environment is simplified, and experiment observation is more facilitated.
Owner:NORTHWESTERN POLYTECHNICAL UNIV
Visualization device and method for visualizing particle deposition process in filter.
ActiveCN110559738AConvenient for experimental observationSolve the problem of narrow and closed, difficult to observePermeability/surface area analysisFiltration circuitsParticle depositionEngineering
The invention belongs to the field of particle deposition and filtration, and particularly discloses a visualization device and method for visualizing a particle deposition process in a filter. The visualization device comprise a filter inlet, a shell, a filter outlet, a filter pore canal and a transparent cover plate, wherein the filter inlet, the shell and the filter outlet are sequentially connected; the shape of the cross section of the filter pore canal is the same as the shape of a half of the cross section of an actual filter pore canal in the filter to be tested; the filter pore canalis positioned in the shell, wherein one end of the filter pore canal communicates with the filter inlet, the shell does not communicate with the filter inlet at the one end, the other end of the filter pore canal does not communicates with the filter outlet, and the shell communicates with the filter outlet at the other end; and the transparent cover plate covers the shell. The device can accurately simulate a filtering process in the actual pore canal, and can be used to observe the particle deposition filtering process along the axial section of the pore canal structure, so that the problemsthat the filtering pore canal in an actual filter is narrow and closed, and direct observation is difficult can be solved.
Owner:HUAZHONG UNIV OF SCI & TECH
Spraying device, spraying control method and windscreen wiper testing system
PendingCN112444406AAvoid dry shavingReduce wearVehicle testingAerodynamic testingMotor vehicle partWater spray
The invention belongs to the technical field of automobile part production and manufacturing, and discloses a spraying device, a spraying control method and a windscreen wiper testing system. The spraying device comprises the following mechanisms of: a liquid supply mechanism which is arranged in an automobile and used for providing spraying liquid; a detection mechanism which is arranged on the inner side of a windshield of the automobile and used for detecting the amount of spraying liquid on the windshield; and a spraying mechanism which is arranged on an engine hood of the automobile, is communicated with the liquid supply mechanism, adjusts the angle and the spraying amount of spraying liquid sprayed to the windshield according to the amount of the spraying liquid on the windshield. The angle and spraying amount of the spraying liquid of the spraying device are adjustable, automatic adjustment of the spraying amount and the spraying angle can be achieved, the sufficiency and uniformity of the water spraying amount can be achieved without manual adjustment, operation is easy, the test progress is not affected, and the test efficiency is improved.
Owner:天津天汽集团有限公司
Method for quickly detecting harmful bacteria in beer
InactiveCN102071243BShorten the timeStrong specificityMicrobiological testing/measurementFluorescence microscopeFluorescence in situ hybridization
The invention discloses a method for quickly qualitatively and quantitatively detecting harmful bacteria in beer breweries by applying fluorescence in situ hybridization and fluorescent microcolony combined technology. The method comprises steps of: preparing sample solution and a culture medium; performing fluorescent microcolony and fluorescence in situ hybridization experimental operation; and observing by using a fluorescence microscope, counting, and qualitatively and quantitatively analyzing the harmful bacteria in the production process of the beer breweries according to fluorescent probes and excited fluorescence with different colors of a carboxyfluorescein diacetate (CFDA) dye. The invention also discloses two specific probes, which are respectively a probe for detecting Lactobacillus brevis, namely 5'-TAGCCGGTGTAACCCTGACTCTG-3' of which one end is marked by Cy3, and a probe for detecting micrococcus tetragenus, namely 5'-GAGATTAGGAAGAACACCAGTGGCGAA-3' of which one end is marked by Cy3. By combining two methods, phenomena that the fluorescence in situ hybridization is difficult to quantitate bacteria and experimental results are easy to show false negative and false positive are avoided, and the problem that the fluorescent microcolony technology cannot qualitatively analyze the bacteria is also solved. Therefore, the requirement on quick detection and qualitative and quantitative requirements for the production of the beer breweries are met.
Owner:CHINA NAT RES INST OF FOOD & FERMENTATION IND CO LTD +1
Horizontal longitudinal wave standing wave experimental measuring device and method
InactiveCN110060554AMeasurement stabilityImprove securitySubsonic/sonic/ultrasonic wave measurementEducational modelsLongitudinal waveEngineering
The invention discloses a horizontal longitudinal wave standing wave experimental measuring device and method. A horn is fixed at one end of a base, one end of a lightweight spring is fixed on a vibrating diaphragm of the horn, the other end of the lightweight spring is fixed on a movable bracket, the movable bracket is fixed on the base through a horizontal sliding rail and can laterally move onthe horizontal sliding rail, a sliding rod is horizontally fixed on the top of the base, multiple lantern rings sleeve the sliding rod, the lightweight spring is connected with the lantern rings through fine lines, the lantern rings vertically hang the lightweight spring to ensure that the lightweight spring is in a horizontal state, a dividing ruler is horizontally fixed on the base, and an audiocurrent source is connected with the horn through a wire. The horizontal longitudinal wave standing wave experimental measuring device and method solve the problem of inaccurate measurement of the wave lengths of standing waves caused by unstable wave nodes of an existing standing wave experiment instrument, and the horizontal longitudinal wave standing wave experimental measuring device is low in cost and suitable for demonstration teaching and experimental measurement teaching.
Owner:HOHAI UNIV
Plant nematode catch device
PendingCN110367223ARestricted activitiesConvenient for experimental observationInsect catchers and killersPlant nematodeEngineering
The invention discloses a plant nematode catch device, comprising a first catch spoon, a second catch spoon and a handle. One end of the handle is provided with a first connecting part and a second connecting part which can be close to or away from each other; the first catch spoon is connected with the first connecting part, the second catch spoon is connected with the second connecting part; thefirst catch spoon and the second catch spoon can be closed to form a closed space or away from each other to form a catch opening. Compared with the prior art, the plant nematode catch device can catch plant nematodes into the netted spoons quickly, cannot only restrict activities of nematodes to bring convenience to experimental observation but avoid hurting the plant nematodes when the plant nematodes are clamped all the time.
Owner:GUIZHOU UNIV
Special acupuncture and auxiliary device for small animal unilateral acupoint selection research
PendingCN114795949AMake sure the location is correctPrevent needle dropElectrotherapyAcupunctureAcupuncture needlesSmall animal
The invention discloses a special acupuncture and auxiliary device for small animal unilateral acupoint selection research, which comprises a base and an acupuncture needle, two rod sleeves are arranged on a support rod mounted at the upper end of the base, and a first ball, a first ball sleeve, a second connecting rod, a rod sleeve, a second ball, a second ball sleeve and a third connecting rod are continuously mounted at the front end of the rod sleeve positioned at the lower end; the front end of the third connecting rod is provided with the upper end of a vertically-arranged sliding seat, the front surface of the sliding seat is slidably connected with a sliding plate, the lower end of the sliding plate is provided with a fourth connecting rod, the front end of the fourth connecting rod is provided with an acupuncture positioning sleeve, and the acupuncture positioning sleeve is in threaded connection with a sixth fixing bolt; compared with the prior art, the device has the advantages that after an acupuncture needle is fixed in the acupuncture positioning sleeve, the angle of the acupuncture needle can be adjusted in multiple directions by rotating the first ball sleeve and the second ball sleeve, the acupuncture position can be found, and the acupuncture needle in the acupuncture positioning sleeve is driven to stably prick into the body of a mouse on an experiment table by sliding the sliding plate downwards to complete an experiment.
Owner:SHANDONG UNIV OF TRADITIONAL CHINESE MEDICINE
Force spectrometer for measuring intermolecular forces
ActiveCN103207035BShort response timeEasy to measureScanning probe techniquesForce measurement by elastic gauge deformationProportional integral differentialLED lamp
Owner:苏州银炙新材料科技有限公司
A photosensitive experimental device using led ultraviolet lamp as light source
ActiveCN104677829BEasy to sterilizeSimple structureMaterial analysis by optical meansReaction temperatureUltraviolet lights
The invention discloses a photosensitive experiment device taking a light-emitting diode (LED) ultraviolet lamp as a light source. The device comprises a box body provided with a door; the box body is internally provided with an ultraviolet LED lamp panel, a working table and a lifting table which are sequentially arranged from top to bottom, wherein an ultraviolet light intensity detector is embedded in the working table; and the working table is connected with the lifting table. The device is simple and reasonable in structure, convenient and practical, light and flexible and wide in practicality; the photosensitive experiment device is provided with a device specially used for carrying out a photosensitive reaction; the photosensitive experiment device is small in volume, thus being simply sterilized and being capable of carrying out pharmacological experiment operation; and after the device is used, the problems of fixation of the ultraviolet lamp, illumination intensity and homogeneous dispersion, reaction temperature and the like in an experiment of illuminating a photosensitive medicine can be solved; the device is simple, reasonable in design and high in practicality. The device can be applied to similar illumination experiments, and is also suitable for an ultraviolet mutagenesis experiment of a certain specific microorganism.
Owner:大连金荣班德生物技术有限公司
Marine petroleum pollution vertical analysis simulator
InactiveCN105486611AEasy to cleanConvenient for experimental observationSurface/boundary effectMaterial testing goodsPetroleum PollutionEngineering
The invention discloses a marine petroleum pollution vertical analysis simulator, which is composed of a simulator body, wherein the simulator body comprises a support frame and a sink, the sink is composed of at least two transparent organic glass tubes connected through a flange, the bottom of the sink is provided with a base integrated with the sink as a whole, the base is placed on the upper surface of the support frame, and the bottom of the support frame is provided with foundation bolts for leveling; the upper part of the sink is provided with a water inlet pipe with a water inlet control valve, the bottom of the sink is provided with a drainage pipe with a water outlet control valve, and the drainage pipe passes the support frame, the top of the sink is provided with a support plate, the support plate is connected with a connecting rod extending into the sink, the bottom of the connecting rod is connected with a wave making plate, the support plate is also provided with a drive motor, and the drive motor is provided with rotating blades for poking the connecting rod to enable the wave making plate to swing. The simulator disclosed by the invention can realize the study on longitudinal distribution of petroleum in seawater indoors, is simple in structure, convenient and quick, and safe and reliable.
Owner:TIANJIN UNIV
Preparation method of tissue engineering vascularization model from chicken embryo chorioallantoic membrane
InactiveCN105087471APromote growthMeet growth needsEmbryonic cellsStationary stateChorioallantoic membrane
The present invention belongs to the field of life sciences, and in particular to a preparation method of tissue engineering vascularization model from chicken embryo chorioallantoic membrane. After hatching of fertilized eggs, a culture system outside or inside shell is prepared; and when the allantoic membrane is mature, and has a large number of capillaries, an implant is placed next to the vessel for re-hatching. The chicken embryo chorioallantoic membrane model used by the method has rapid growth of blood vessels, and meets the blood vessel growth requirement of the implant; the model in a stationary state is easy for observation and experiment; and the most important thing is that the model does not have immunogenicity, can complete implantation of biological scaffold or living cells from all kinds of sources. The method has the advantages of easily obtained materials, low cost, easy operation, and no ethical limit of animal experiments.
Owner:CHENGDU MILITARY GENERAL HOSPITAL OF PLA
Feeding device for frankliniella occidentalis
ActiveCN108391628AEasy activitySuitable for survivalAnimal husbandryAgainst vector-borne diseasesEngineeringFodder
The invention relates to a feeding device for frankliniella occidentalis, the feeding device is a hexahedron cage body (1), side surface meshes (6) and a bottom surface mesh (8) are arrange on the twoside surfaces and the bottom surface of the cage body (1) respectively, and transparent plastic surfaces arranged on the rest three surfaces, namely, the front side surface, the rear side surface andthe upper surface; a cage bottom draw plate (2) is arranged at the bottom of the cage body (1), a plurality of draw door frames (7) are arranged on the front side surface; and the like; a frankliniella occidentalis insect rearing cage which is easy and convenient to operate, simple in structure, easy in feeding, high in breeding efficiency and high in survival rate is provided, the labor cost andthe labor amount in the insect feeding process can be effectively reduced, the excellent ventilation effect in the insect rearing cage is ensured in the feeding process, the feeding efficiency of thethrips is improved, the thrips can be prevented from escaping and dying, and the thrips feed mildewing and thrips loss are reduced.
Owner:YUNNAN AGRICULTURAL UNIVERSITY
General modular teaching practice device for chemical production lines
InactiveCN109584694AImprove controlSpeed up the debugging processEducational modelsChemical treatmentProduction line
The invention discloses a general modular teaching practice device for chemical production lines. The device comprises a public engineering module, a reaction module, a crystallization module, a sieveplate rectification module, an emulsification module, a slurry blending module, an evaporative condensation module, a pretreatment module, an extraction module and a drying module and also comprisesa water distribution module, an A2O module, an aftertreatment module and an electric control system. All the modules are freely matched, combined and connected according to teaching practice requirements, the electric control system comprises electric control cabinets arranged in all the modules, and the electric control cabinet in each module is provided with a controller and a touch screen. Thedevice can effectively help students master related knowledge of various chemical treatment processes and basic principles of the treatment processes, enhance the ability of students for controlling various chemical production treatment process indexes and improve capacity for chemical production line design, building, debugging and control operation.
Owner:河南莱帕克物联装备技术有限公司
Who we serve
- R&D Engineer
- R&D Manager
- IP Professional
Why Patsnap Eureka
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com