56results about How to "Realize visual observation" patented technology

Provided is a foam stability test device under pressure fluctuation. The foam stability test device comprises a foam generation part, a foam test part, a pressure regulation and control part and a cleaning part. The foam generation part, the pressure regulation and control part and the cleaning part are respectively connected in parallel with the foam test part, which is realized via valve control. The foam generation part and the foam test part are connected in series independently. The pressure regulation and control part and the foam test part are connected in series independently. The cleaning part and the foam test part are connected in series independently. Foam stability testing under the condition of pressure fluctuation is realized so that a defect that influence of variable pressure is not considered by the existing foam stability evaluation technology in the field of oil and gas fields is compensated. Visualized observation of the foam state under the condition of variable pressure is realized so that the foam stability test device under pressure fluctuation has important meaning in further research of change of the foam micro-morphology under the condition of foam variable pressure. The foam stability test device under pressure fluctuation is high in pressure resistance, data testing is completed under the pressure state, and the experimental data are closer to the production site of the oil and gas fields so that reliability is high.

The invention discloses an object-oriented non-condensable gas-containing vapor condensation visualization experiment device. The device mainly comprises a steam supply system, an air supply system, other gas supply systems, a cooling water system, a visualized experimental body and a data acquisition system. Steam and a non-condensable gas component are produced by the steam supply system, the air supply system and the other gas supply systems. A main gas supply pipe is connected to an experimental cavity and is provided with an electric valve. The electric valve can adjust an opening degreeaccording to the negative feedback of the pressure in the experimental cavity to control the steam flow. Cooling water enters an experimental pipe section through a flowmeter under the action of a water pump, is subjected to heat exchange in the experimental pipe section and then is returned into a constant temperature water bath through a water return pipe. Before the experiment, a vacuum systemrealizes a high vacuum environment in the experimental chamber. The device realizes continuous measurement, analysis and visual observation of the condensation phenomenon under different steam pressures, different subcooling degrees, different non-condensable gas components and contents, and different surface structural characteristics.

The invention discloses a liquid metal infiltration visibility control method and a special device thereof. An image acquisition and processing system is used for observing variation condition of thermal-induced imagery on sleeve bevel during infiltration; by analyzing the thermal image, vacuum degree in crucible cavity can be changed by an infiltration control system under incomplete infiltration and input voltage value of an electric proportional valve can be regulated, so as to change gas pressure in crucible cavity; or a systemic temperature controller is used for increasing the temperature of metal liquid, so as to cause the infiltration to go smoothly and realize real-time control of infiltration. The invention utilizes a special device in which the infiltration of liquid metal in porous medium is visible and truly reflects flow status of liquid metal in porous medium prefabricated body, the infiltration control system realizes real-time control of the infiltration, and the image acquisition and processing system realized visible observation of the infiltration.

The invention discloses a supersonic nozzle jet mixing experiment device, which is characterized in that the device comprises a main flow nozzle and a jet nozzle. The main flow nozzle is in a rectangular tube structure; one end of a rectangular tube serves as a jet inlet end; the two sides of the jet inlet end are respectively provided with a plurality of circular holes; the circular holes are provided with a pressure sensor and a thermocouple; the other end of the rectangular tube is internally provided with an incoming flow acceleration section, which comprises a first convergence section, afirst flat and straight section and a first expansion section in sequence; the jet nozzle is communicated with the expansion section of the main flow nozzle; the jet nozzle is internally provided with a second convergence section, a second flat and straight section and a second expansion section in sequence, wherein the second expansion section is connected with the main flow nozzle; the first expansion section is provided with a plurality of through holes; the through hole is provided with a pressure sensor; the two sides of the rectangular tube are respectively provided with an observationwindow; and the observation windows are arranged at the two sides of the incoming flow acceleration section respectively. The experiment device can simulate air jet mixing phenomenon under supersonicflight.

The invention discloses a reverse transcription-loop-mediated isothermal amplification (RT-LAMP) visual detection kit for H1N2 avian influenza viruses. The kit comprises a set of LAMP primers for detecting or assisting to detect the H1 avian influenza viruses and N2 avian influenza viruses. The primers consist of a degenerate primer FIP-H1, a degenerate primer BIP-H1, a degenerate primer F3-H1, a degenerate primer B3-H1, a degenerate primer LF-H1, a degenerate primer LB-H1, a degenerate primer FIP-N2, a degenerate primer BIP-N2, a degenerate primer F3-N2, a degenerate primer B3-N2, a degenerate primer LF-N2 and a degenerate primer LB-N2. The nucleotide sequences of the primers are shown by a sequence 1, a sequence 2, a sequence 3, a sequence 4, a sequence 5, a sequence 6, a sequence 7, a sequence 8, a sequence 9, a sequence 10, a sequence 11 and a sequence 12 in a sequence table. The RT-LAMP visual detection kit for the H1N2 avian influenza viruses has the advantages that the specificity is strong, the sensitivity is high, instrument equipment and operations are simple, and results can be conveniently observed. The RT-LAMP visual detection kit for the H1N2 avian influenza viruses is especially suitable for performing rapid diagnosis and early screening on the H1 avian influenza viruses and the H1N2 avian influenza viruses in basic-level veterinary stations, farms and frontier ports.

The invention relates to a manufacturing method of a transparent simulation fracture mold, in particular to a manufacturing method of a rock cross fracture simulation model, which comprises the following steps of: (1) obtaining a rough rock fracture structure surface; (2) re-etching the rough structural surface of the stone to obtain a sample plate mold, pouring transparent resin into the sample plate mold, and after the transparent resin is completely cured, taking out the transparent resin to form a transparent simulation model thin plate with a rough joint surface; (3) constructing an assembled fracture cross structure, wherein the vertical cracks and the horizontal cracks are crossed with each other to form crossed cracks; and (4) adopting the two first supporting arms and the two second supporting arms for clamping respectively, so that the overall fixation of the simulation mold is realized. According to the manufacturing method, the roughness of the cracks is controllable, manufacturing is easy, and the cost is low; a rock fracture structural plane is copied with high precision on fracture characteristics, and the functions of adjustable fracture opening degree and accuratedisassembly and assembly are achieved on model assembly.

The invention discloses a testing apparatus and method capable of realizing impacting rock burst visualization observation. The testing apparatus comprises a load system, a data acquisition system andtransparent rock. The load system is composed of a hydraulic jack, a loading rod, a loading plate, an X direction servo actuator and a Y direction servo actuator, wherein the loading plate is connected with the loading rod; the data acquisition system is composed of a laser, a CCD (Charge Coupled Device) camera and a computer; and a reserved hole is formed in the transparent rock. According to the testing apparatus and method disclosed by the invention, the problem of invisible stress, strain and displacement on the failure surface in the rock burst process can be solved, the visualization observation in the rock burst process is realized, and the testing apparatus is simple and high in economic feasibility.

The invention discloses a visualization testing device for simulating soil body displacement of underwater open caisson construction and a method. The device comprises a seepage force application system, a working condition simulation system, a data collection system and an excavation simulation device. By fusing a transparent material technology and a digital image processing technology, the device is applied to indoor simulation of underwater open caisson construction, and visualization observation of a soil body displacement field and a seepage field in underwater open caisson constructionis achieved.

The invention discloses a single cell array chip and a screening method for ion channel drugs. The single cell array chip includes a lower layer micro-well chip and an upper layer micro-channel chip,and the lower layer micro-well chip and the upper layer micro-channel chip are bonded together; the upper surface of the lower layer micro-well chip is provided with micro-pits, and the center distances of the adjacent micro-pits are 30-90 [mu]m; and the material of the single cell array chip is selected one or more of high-molecular polymer, silicon, glass, quartz and paper. The method for screening ion channel drugs by utilizing the single cell array chip can obtain higher single cell capture rates, and the heterogeneity of single cells can be fully considered; and the screening method can enhance the accuracy and reproducibility of single cell level drug screening results, significantly reduce false positive rates / false negative rates and increase the screening efficiency of the ion channel drugs.

The invention discloses a medicinal material moistening degree detection method based on moisture distribution state and texture change, and belongs to the field of traditional Chinese medicines, andcomprises the following steps of: 1, moistening dried root, rhizome and fruit medicinal materials for different time to respectively obtain medicinal material samples moistened at different time; 2, carrying out a shear test on the medicinal material samples moistened at different times in the step 1 by using a texture analyzer, obtaining a shearing test curve, and carrying out characteristic determination on the medicinal material sample according to the shearing test curve, wherein the shearing test curve is used for representing the change condition of the sensing stress value of the medicinal material sample. The detection method can rapidly, accurately and objectively represent the texture change of the medicinal material in the moistening process.

The invention discloses an automatic detection device of an electric telecontrol channel. The automatic detection device of the electric telecontrol channel comprises a channel input-output control module, a DSP digital processing module and a PC or a laptop. The channel input-output control module is formed by modifying an existing relay control panel, the control port and the data port of the channel input-output control module are in output connection with the serial port of the PC or the laptop and the DSP digital processing module respectively, the network interface of the PC or the laptop is connected with a remote maintenance terminal through a network, and the keyboard, the mouse and the VGA port of the PC or the laptop are connected with a KVM pipe collecting system. The wave form, the curve, the data, and the source code of the channel can be displayed through the PC or the laptop, comprehensive detection can be carried out on the telecontrol channel, the quality of the telecontrol channel can be conveniently observed, analyzed and judged, and the quality of the telecontrol channel can be used as the base for the safety evaluation and the risk evaluation of the telecontrol channel. The automatic detection device of the electric telecontrol channel enables the structure to be simplified, and is less in needed hardware, small in occupied space, easy and convenient to operate and control, strong in practicality and convenient to widely popularize and apply.

The invention discloses an experimental facility capable of implementing visualization of condensation of the inside and outside of a steam tube. The experimental facility mainly comprises a steam supply system, a cooling water system, a vacuum system, a visualization experimental body and a data acquiring system. A gas supply main tube is connected with a vacuum cavity or an experimental tube section through a four-way valve, and an exhaust main tube is arranged at the rear of the cavity, and is connected with an aftercooler and a condensation tank. The aftercooler provides a cold source fromconstant-temperature water bath. A cooling water branch line enters the experimental tube section or the vacuum cavity via a flowmeter under the effect of a water pump, after heat exchange, the cooling water branch line returns to the constant-temperature water bath from a water return main tube, and the other branch line enters a tube side of the aftercooler under the effect of the water pump, and then returns to the constant-temperature water bath after heat exchange. Before an experiment, a high vacuum environment in the vacuum cavity or the experimental tube section is realized by the vacuum system. By cooperation of a front four-way valve and a rear four-way valve of the vacuum cavity, condensation of the inside of the tube or condensation of the outside of the tube can be continuously measured and analyzed and visually detected by the device under different steam pressures, different degrees of supercooling and different surface structural characteristics.

The invention relates to equipment for manufacturing capillary reactors, which consists of a capillary reactor main body and a solder sealing synthesizer, wherein the solder sealing synthesizer comprises a vacuum pump, a liquid nitrogen reservoir, a fixing device and an oxyhydrogen flame device used for performing solder sealing on end parts of the capillary reactors; the vacuum pump is connectedwith the capillary reactor main body; and the capillary reactor main body is fixed in the liquid nitrogen reservoir through the fixing device. The invention provides the equipment and a method for manufacturing the capillary reactors used for high-temperature and high-pressure reactions.

The invention discloses a single-cell array chip as well as a preparation method and an application thereof. The single-cell array chip comprises a lower-layer micropore chip and an upper-layer microchannel chip, wherein the lower-layer micropore chip and the upper-layer microchannel chip are bonded together; the upper surface of the lower microporous chip is provided with a plurality of micro-pits, and the distance between the centers of adjacent micro-pits is 30-90 [mu]m. The single-cell array chip provided by the invention can obtain higher single-cell capture rate and higher single-cell level drug screening efficiency.

The invention discloses a cell smear auxiliary analysis method and system. The method comprises the following steps: continuously collecting cell images by a microscope camera; identifying a possible splicing direction through a direction identifier, performing region selection and matching on the two images participating in splicing, and obtaining a matching result through calculation; carrying out image pixel expansion according to a matching result, and carrying out pixel replacement in a matching area after expansion; converting image relative position information obtained in the splicing process into numerical information recorded in a coordinate mode, and constructing a coordinate system of the images in the image set; displaying the spliced image to a user, wherein the user can visually see the condition of the currently observed cell region; and at the same time, according to the obtained image coordinate system, providing re-observation of the checked cell image area, so that when the current image is displayed, the image area around the visual field in the corresponding checking process is jumped to according to the direction option triggered by the user. The method and system convenient to use, high in interactivity and high in operation speed.

The invention relates to a frozen-thawed coal body laboratory device, in particular to a visual liquid nitrogen frozen-thawed coal body crack propagation dynamic monitoring system. The visual dynamic monitoring system comprises a liquid nitrogen injection system and a liquid nitrogen freezing and thawing system, and is characterized by further comprising an optical speckle monitoring system and an inverted metallographic microscope monitoring system. Visual observation of coal sample crack propagation in a liquid nitrogen freezing and thawing experiment is realized; acquiring crack propagation image data in the whole freezing and thawing process; through the experimental device, the change of microscopic cracks of a coal sample under the action of liquid nitrogen can be monitored in real time, and the law and effect of damage, deformation and fracture of a coal body are dynamically analyzed when the coal sample is fractured by the liquid nitrogen; and combining the morphology, displacement and strain of the coal sample to obtain the relationship among the liquid nitrogen freeze-thaw characteristic parameters, the mechanical parameters and the fracture deformation.

The invention discloses a complex fault block oil reservoir gravitational differentiation simulation experiment device. The device comprises a simulation container, an injection simulation shaft, a production simulation shaft, a remaining oil observation shaft and a partition plate assembly, the simulation container is provided with a visual transparent window, and the visual transparent window is made of a transparent material; and the injection simulation shaft, the production simulation shaft and the remaining oil observation shaft are all made of transparent materials. The invention further provides a complex fault block oil reservoir gravitational differentiation simulation experiment method, by means of the complex fault block oil reservoir gravitational differentiation simulation experiment device, the arrangement manner and position of the partition plate assembly are changed, a water drive process gravitational differentiation simulation experiment of multiple faults under interlayer shielding in different forms can be simulated, and whether the different angles of the faults are the gravitational differentiation process under the conditions of closed faults is analyzed. According to the device, the gravitational differentiation characteristics of multiphase fluid under various conditions can be conveniently observed, the visual observation of the gravitational differentiation phenomenon is realized, and convenience is provided for oil reservoir exploitation.

The invention provides an electric control system of a small engine dismounting device. A mechanical part of the small engine dismounting device comprises a walking mechanism, an elevating mechanism and a fine tuning mechanism, and the three mechanisms are driven to dismount an engine effectively. The electric control system comprises a programmable logic controller, a communication module, a power unit, a touch screen, a laser range finding module, a pressure sensor, a digital video monitoring unit, a servo controller, a motor, the walking mechanism, the elevating mechanism and the fine tuning mechanism. The electric control system uses data processing, servo motion and control and motor driving manners to realize automatic control and accurate positioning of the engine dismounting device; the engine dismounting process can be observed visually via digital video monitoring, and the burden of manual operation is reduced; and a traditional simple control manner via a single-chip microcomputer is changed, the anti-interference capability of the system is improved, the automatic degree and reliability of the control system are improved, the working efficiency is improved, and intelligent detection and control are realized.

An optical diagnosing instrument for observing human eye iris and obtaining the image and data of iris at same time is composed of the optical camera-computer channel and the optical channel for visual observation, which device the light axises perpendicular to each other. Said optical channel for camera and computer consists of collimator, reflector, incident surface of prism, focusing lens and camera connected to computer via A / D converter. Said optical channel for visual observation has focusing lens for observation and binocular eyepiece. Its advantages are more functions, high diagnosing efficiency and high correctness.

The invention discloses a test system and method for the cooling performance of a microscale liquid cooler. The test system for the cooling performance of the microscale liquid cooler comprises the microscale liquid cooler, a heating device, a temperature measurement system, a cooling liquid circulator, a metering pump and a diverter. According to the test system, on one hand, high reliability, high accuracy and high precision of a micro-fluid division control technology are utilized, and the temperature, the flow and the pressure of the cooling liquid are accurately controlled step by step through the cooling liquid circulator, the metering pump and the diverter, so as to achieve accurate control of low-flow or extra-low flow cooling liquid; on the other hand, a surface temperature field of the heating device is monitored in real time by adopting an advanced infrared thermal imaging technology; visual observation of a working temperature field of a microscale device is achieved. By adopting the test system, the accuracy, the precision and the reliability of measurement of the cooling performance of the microscale liquid cooler are greatly improved; the test system is especially suitable for test of the cooling performances of the microscale liquid coolers for aerospace, information communication, transportation and medical treatment, automatic control, consumer electronics and the like.

The invention discloses an RT-LAMP (Reverse Transcription Loop-mediated isothermal amplification) visual detection kit for H1N1 subtype avian influenza viruses. The kit comprises an LAMP primer set for detection or auxiliary detection of H1 subtype and N1 subtype avian influenza viruses, wherein the primer set comprises degenerate primers FIP-H1, BIP-H1, F3-H1, B3-H1, LF-H1, LB-H1, FIP-N1, BIP-N1, F3-N1, B3-N1, LF-N1 and LB-N1, and the nucleotide sequences of the degenerate primers are respectively sequences 1 to 12 in a sequence table. The RT-LAMP visual detection kit has the advantages of good specificity, high sensitivity, simple instrument and equipment and easiness in operation, and convenience in result observation, and is particularly suitable for quick diagnosis and early screening of the H1 subtype and H1N1 subtype avian influenza viruses in grassroots veterinary stations, livestock farms and frontier ports.

The invention discloses a medicinal material moistening degree detection method based on moisture distribution state and texture change, and belongs to the field of traditional Chinese medicines, andcomprises the following steps of: 1, moistening dried root, rhizome and fruit medicinal materials for different time to respectively obtain medicinal material samples moistened at different time; 2, carrying out a shear test on the medicinal material samples moistened at different times in the step 1 by using a texture analyzer, obtaining a shearing test curve, and carrying out characteristic determination on the medicinal material sample according to the shearing test curve, wherein the shearing test curve is used for representing the change condition of the sensing stress value of the medicinal material sample. The detection method can rapidly, accurately and objectively represent the texture change of the medicinal material in the moistening process.

The invention belongs to the field of shale oil and gas reservoir research, relates to a shale reservoir post-fracturing seepage micro-model, a manufacturing method and an experimental device and aims to simulate a reservoir microscopic model with a micron-sized pore throat according to the characteristics of low porosity and low permeability of shale oil and gas reservoirs so as to solve the problem that the seepage characteristics of fluids in shale are difficult to observe macroscopically. The manufacturing process of the microscopic model roughly comprises three parts: firstly, manufacturing a mask, and exposing the mask to obtain a model diagram required to be used; performing exposure treatment on a substrate by using the mask, transferring an etching pattern to a photoresist, transferring the etching pattern to a chromium layer from the photoresist, and then transferring the etching pattern to the substrate; and finally, carrying out anodic bonding to manufacture the substrate, thereby obtaining the microscopic model. The microscopic model can be combined with an image acquisition device and an image display device to carry out visual research on injected fluid in the microscopic model, and the flowing condition of the fluid in a micron-sized fracture-matrix reservoir is observed.

The invention discloses a direct contact composite type heat exchange system. The system comprises a heat exchanger, a liquid level apparatus, a gas and liquid separator, a gas mass flowmeter, a platetype condenser, a stop valve I, a vacuum liquid storage tank, a liquid mass flowmeter, a centrifugal pump, a check valve, a manual adjusting valve, a nozzle, a turbine generator, a spiral channel, astop valve II, a heat conduction oil inlet, a heat conduction oil outlet, a valve, a pump, a heat conduction oil storage tank, multiple pressure meters, and multiple thermometers. Heat media enter thespiral channel, the reverse flow manner from top to bottom is adopted for transferring heat to matter in the heat exchanger, the stirring in the heat exchanger is increased, the two-phase flow innerheat transfer is greatly reinforced, and when the system is applied to the power generation field, the power generation efficiency is higher; and compared with an outer heating device of a common direct contact heat exchanger, the inner spiral channel makes direct contact with the heat exchanger, the heat exchange process can be reduced, the fire losses are reduced, and the energy use rate is improved.

A foam stability testing device under pressure fluctuations, a foam stability testing device under pressure fluctuations, comprising a foam generating part, a foam testing part, a pressure regulating part and a cleaning part; the foam generating part, the pressure regulating part and the cleaning part They are respectively connected in parallel with the foam testing section, and realized through valve control: the separate series connection of the foam generating section and the foam testing section; the separate series connection of the pressure regulation section and the foam testing section; the separate series connection of the cleaning section and the foam testing section. The invention realizes the test of the foam stability under the condition of pressure fluctuation, and makes up for the defect that the existing foam stability evaluation technology in the field of oil and gas fields does not consider the influence of variable pressure. The invention realizes the visual observation of the foam state under variable pressure conditions, and is of great significance for further studying the changes of foam microscopic forms under variable pressure conditions. The invention has strong pressure resistance, and the test data are all completed under pressure, and the experimental data is closer to the oil and gas field production site, with high reliability.

The invention discloses a reverse transcription-loop-mediated isothermal amplification (RT-LAMP) visual detection kit for H1N2 avian influenza viruses. The kit comprises a set of LAMP primers for detecting or assisting to detect the H1 avian influenza viruses and N2 avian influenza viruses. The primers consist of a degenerate primer FIP-H1, a degenerate primer BIP-H1, a degenerate primer F3-H1, a degenerate primer B3-H1, a degenerate primer LF-H1, a degenerate primer LB-H1, a degenerate primer FIP-N2, a degenerate primer BIP-N2, a degenerate primer F3-N2, a degenerate primer B3-N2, a degenerate primer LF-N2 and a degenerate primer LB-N2. The nucleotide sequences of the primers are shown by a sequence 1, a sequence 2, a sequence 3, a sequence 4, a sequence 5, a sequence 6, a sequence 7, a sequence 8, a sequence 9, a sequence 10, a sequence 11 and a sequence 12 in a sequence table. The RT-LAMP visual detection kit for the H1N2 avian influenza viruses has the advantages that the specificity is strong, the sensitivity is high, instrument equipment and operations are simple, and results can be conveniently observed. The RT-LAMP visual detection kit for the H1N2 avian influenza viruses is especially suitable for performing rapid diagnosis and early screening on the H1 avian influenza viruses and the H1N2 avian influenza viruses in basic-level veterinary stations, farms and frontier ports.

The invention discloses a heat exchanger with an observation window and for low temperature of 80K. According to the structure, a mechanical sealing mode is adopted, indium wires are used as sealing materials, and visual observation of the phase change process at the low temperature is realized. The heat exchanger has the beneficial effects that a phase change cavity is made of red copper, so thatthe heat exchange efficiency is effectively improved; an upper cover plate is made of stainless steel materials, so that the pressure bearing capacity of the heat exchanger is enhanced under the condition that heat leakage by an upper surface is reduced; the observation window is arranged between the upper cover plate and a heat exchange cavity, so that visual observation of the phase change process is realized; and the upper cover plate and glass, and the glass and the phase change cavity are sealed by the indium wires, so that components with different linear expansion coefficients are wellsealed in the cooling process, and phase change heat exchange and observation at the low temperature of 80K are realized.

The invention relates to a primer, kit and detection method for rapid detection on ingredients of a traditional Chinese medicinal material passer montanus. Through nucleic acid thin-film chromatography detection test paper, visual observation of nucleic acid detection results can be realized. The ingredients of the traditional Chinese medicinal material passer montanus are detected through nucleic acid detection test paper, a detection result of a single sample can be obtained only in 65-70 minutes from pretreatment to detection completion, the detection test paper is free of non-specific reaction with other common animal-derived ingredients, and the detection test paper is easy and convenient to operate, high in specificity and sensitivity, low in cost of needed equipment, high in efficiency and especially suitable for on-site rapid detection and rapid market detection of basic supervision units.