1087 results about "Pressure regulator" patented technology

The invention relates to a control system for stabilizing an equipment foundation embedded part mounting device. Comprising the following steps that a dynamic sensing network is arranged on an embedded part mounting device, comprises a tilt angle sensor, a pressure sensor and a displacement sensor and is used for monitoring the dynamic balance state of the embedded part in real time and obtaining monitoring data; the monitoring data are integrated through the central processing unit to form real-time three-dimensional attitude and gravity center position feedback of the equipment foundation; constructing a posture adjustment algorithm based on real-time monitoring data, simulating mechanical changes in the installation process of the embedded part by utilizing a finite element dynamic analysis model, and calculating an adjustment angle and a position deviation; the inclination angle and height of the mounting platform are finely adjusted through an electric servo device, and self-adaptive posture regulation and control of the embedded part are controlled; a partition pressure control technology is adopted, the bottom of the mounting device is divided into a plurality of mechanical unit areas, and the supporting force of each area is adjusted in real time through a distributed pressure regulator; and dynamic balance monitoring data is combined.

Disclosed are a pressure regulator and a sparkling water machine. The pressure regulator includes: an arc flow path and a transiting chamber; a cross section of the arc flow path is configured to gradually increase from an input end of the arc flow path to an output end of the arc flow path, and the input end of the arc flow path is communicated with an inlet of the pressure regulator; and the transiting chamber is respectively communicated with the output end of the arc flow path and a discharging port of the pressure regulator.

The invention discloses a pressure regulator stop valve state monitoring control system and method, particularly relates to the field of gas pressure regulating equipment monitoring, and is used for solving the problems of downstream swing misjudgment and far-end instruction interference after upstream locking or resetting caused by lack of cross-device event alignment and semantic mutual identification in existing monitoring. The method comprises the following steps of: synchronously acquiring a valve front on-off state identifier, a valve back pressure sequence and a diaphragm displacement sequence through a unified clock, generating time anchor points of a locking event, a release return event and a bypass opening and closing event, mapping the sequences to generate a table matching relation and a causal sequence, constructing state semantics, outputting an arbitration request, executing delay reset write-in window marks, and outputting an arbitration result. And then comparison and correction are carried out at the initial stage of commissioning, so that misjudgment is avoided, and the accuracy is improved.

The invention relates to a wide-temperature-range ion exchange membrane conductivity testing device and a control method. The wide-temperature-range ion exchange membrane conductivity testing device comprises a box body, a testing clamp assembly, a heating part, a humidifying part, a pressure regulating part and a control assembly, in the test clamp assembly, an ion exchange membrane and a probe electrode are fixed between a lower clamping plate and an upper clamping plate, second through holes are formed in the two sides of the lower clamping plate respectively, and a temperature sensor and a humidity sensor penetrate through the second through holes respectively, abut against the ion exchange membrane and are used for detecting the temperature and the humidity. And the control assembly controls the heating piece, the humidifying piece and the pressure regulating piece to respectively regulate the temperature, humidity and pressure in the box body so as to measure the conductivity of the ion exchange membrane under the working conditions of normal temperature, normal pressure, low-pressure boiling and high temperature without interference. The temperature sensor and the humidity sensor are closer to the ion exchange membrane through the second through holes, so that the accuracy of data measurement is effectively improved; the ion exchange membrane is located in different working conditions through pressure regulation of the pressure regulating piece, and conductivity measurement under the complex working conditions of wide temperature range and temperature and humidity fluctuation is achieved.

The invention discloses a planter with a righting structure in the technical field of planting righting, and the planter comprises a walking mechanism, a righting assembly installed at the tail end of the walking mechanism, a guide pipe, a ditching structure and a soil covering structure, and the righting assembly comprises a rack installed at the tail end of the walking mechanism; the chain transmission structures are mounted on the two sides of the rack in pairs; the driving part is mounted on the rack; a plurality of groups of centralizing frames are provided, each group comprises two pairs of centralizing frames, and the two pairs of centralizing frames are rotationally mounted on the chain transmission structures on the two sides respectively; the distance adjusting structure is used for driving the pair of righting frames on the same chain transmission structure to get close to each other; and the pressure regulator is arranged between the righting frame and the chain transmission structure and is used for regulating the clamping force of the righting frame to the seedlings according to the deflection angle of the righting frame. Through cooperation of the righting frame and the distance adjusting structure, the seedlings are righting, it is ensured that the seedlings are kept in a vertical state in the planting process, the situation that the seedlings incline due to influence of external factors is avoided, and therefore the survival rate of the seedlings is increased.

A mattress assembly includes: an air pocket unit configured to contain air; a pressure regulator for controlling the air pocket unit; and a body unit accommodating the air pocket unit and the pressure regulator. The body unit includes: a frame part having a top side open to provide an accommodation space for accommodating the air pocket unit and the pressure regulator; and a cover part disposed on the frame part to cover the accommodation space. The cover part includes; a first area formed to be relatively movable with respect to the frame part and covering or exposing the pressure regulator; and a second area disposed adjacent to the first area and fixed to the frame part. The first area faces an upper edge of the frame part when covering the pressure regulator.

The invention relates to the technical field of transplanting devices, and discloses an automatic seedling transplanting vehicle capable of adjusting transplanting spacing, the seedling transplanting vehicle comprises a vehicle body frame, two sides of the vehicle body frame are provided with lifting guide rail assemblies, and a lifting adjusting platform is arranged between guide rails; a transplanting assembly is installed at the bottom of the platform, the core of the transplanting assembly is a vertical pipe, the bottom end of the vertical pipe is hinged to a pusher dog capable of being opened and closed, and the upper portion of the pusher dog is connected with an adjusting ring movably arranged on the vertical pipe in a sleeving mode through a transmission arm. The lifting of the adjusting ring can be linked with the transmission arm to control the opening and closing of the pusher dog to realize vertical insertion of the clamping jaw into the ground; a pressure regulator is arranged in the top of the vertical pipe, an L-shaped progressive rack of the pressure regulator is rigidly connected with the regulating ring, and a movable fluid distribution compression ring is connected below the pressure regulator; when the adjusting ring drives the pusher dog to act, the pressure regulator is synchronously linked, so that the conical head body of the fluid distribution pressing ring is embedded into the specific groove to form water channel communication; water flow of the water conveying hose is guided into the inner wall of the vertical pipe through the flow guide cavity and the anti-blocking flow guide ring and finally drips into target soil, and automatic wetting before seedling taking is achieved.

The invention relates to the technical field of pressure regulator diagnosis, in particular to a gas fuel pressure regulator diagnosis system and a diagnosis control method, comprising a control module, a diagnosis module, an electromagnetic valve, a high pressure sensor, a low pressure sensor and a pressure regulator; the electromagnetic valve, the high-pressure pressure sensor, the pressure regulator and the low-pressure pressure sensor are sequentially connected through a pipeline; the control module is electrically connected with the diagnosis module, the electromagnetic valve, the high-pressure pressure sensor, the low-pressure pressure sensor and the pressure regulator. The high-pressure pressure sensor is used for measuring a pressure value corresponding to high-pressure gas in a pipeline between the electromagnetic valve and the pressure regulator; and the low-pressure pressure sensor is used for measuring the pressure value corresponding to the low-pressure gas corresponding to the outlet of the corresponding pressure regulator after passing through the pressure regulator.

Sampling system set including - At least one connecting piece; - Connected to a pressure regulator; - Connected with an outlet piece; - characterized in that all components are sterile and prefabricated for single use.

The utility model relates to a pressure regulator and a gas tank. A pressure regulating unit of the pressure regulator comprises a valve seat, a diaphragm, a valve rod, a first elastic driving device and a second elastic driving device. A valve port of the pressure regulating cavity is formed in the valve seat. The diaphragm forms a movable wall of the pressure regulating chamber. The valve rod and the diaphragm are split components, and the valve rod penetrates through the valve port. The first elastic driving device is connected to the diaphragm at the end, opposite to the valve seat, of the diaphragm. The second elastic driving device is arranged at the end, away from the diaphragm, of the valve rod. When the pressure of the fluid medium in the pressure regulating cavity is smaller than a preset pressure threshold value, the first elastic driving device enables the diaphragm and the valve rod to move towards the second elastic driving device so as to open the valve port. When the pressure of the fluid medium in the pressure adjusting cavity is larger than a preset pressure threshold value, the fluid medium in the pressure adjusting cavity enables the diaphragm to move towards the first elastic driving device, and meanwhile the second elastic driving device enables the valve rod to move towards the first elastic driving device so as to close the valve port. According to the pressure regulator, fatigue damage of the diaphragm, the valve rod and the valve seat is avoided, and parts are reduced.

An apparatus for securing a pressure control tube in a user-defined position within a pressure regulator device is described. The apparatus has one or more engagement features and a releasable tube retaining means comprising a resiliently deformable locking member. The resiliently deformable locking member is configured to be releasably engageable with at least one of the engagement features such that engagement between the locking member and engagement feature causes resistance to movement of the pressure control tube within the pressure regulator device. The locking member can be at least partially disengaged from the engagement feature such that resistance to movement of the pressure control tube within the pressure regulator device is reduced.

The utility model relates to the technical field of fuel gas pressure regulators, in particular to an intelligent pressure regulator for a fuel gas pipeline, which is convenient for a worker to clean a protective net, improves the practicability and comprises an intelligent pressure regulator body, a gas inlet end joint is arranged on one side of the intelligent pressure regulator body, and a gas outlet end joint is arranged on the other side of the intelligent pressure regulator body. One side of the intelligent pressure regulating valve body is provided with an air inlet end connector, the other side of the intelligent pressure regulating valve body is provided with an air outlet end connector, the intelligent pressure regulating valve body is provided with an exhaust pipe, and a protective net is installed inside the end portion of the exhaust pipe. The intelligent pressure regulating valve is characterized in that a sleeve is rotatably installed at the end portion of the exhaust pipe, a connecting plate is detachably installed on the sleeve, and an installation block is arranged on the side, close to the protective net, of the connecting plate; bristles are arranged on the side, close to the protective net, of the mounting block, the sleeve and the exhaust pipe are rotationally connected through an annular convex edge and an annular groove which are matched with each other, the annular convex edge is arranged on the sleeve, the annular groove is formed in the exhaust pipe, the annular groove is formed in the sleeve, and the annular convex edge is arranged on the exhaust pipe.

The invention provides a self-adaptive air pressure control method for semiconductor polishing, and relates to the technical field of polishing control, the method comprises the following steps: obtaining a cascade air pressure control module of chemical mechanical polishing equipment; constructing an original three-dimensional model and a preset polishing target three-dimensional model of the semiconductor wafer to be processed; performing space alignment fitting to generate a to-be-polished model; neighborhood clustering is carried out according to multi-point polishing requirements; based on the multiple clustering areas and the polishing demand identification information, in combination with preset polishing solution information, polishing air pressure optimization is carried out, and multiple optimal polishing air pressure parameters of the multiple clustering areas are obtained; and based on the first air pressure regulator, air pressure control signals are generated according to the multiple optimal polishing air pressure parameters for polishing control, and feedback optimization control is conducted through the second air pressure regulator. According to the invention, the technical problem that the polishing parameter setting is not accurate enough in the prior art can be solved, and the technical effect of improving the semiconductor polishing accuracy and efficiency is achieved.

The present application relates to the technical field of melamine phase change microcapsule preparation, and particularly relates to a melamine phase change microcapsule preparation device and method based on microfluidic technology; the technical scheme: a melamine phase change microcapsule preparation device and method based on microfluidic technology, comprising an aqueous solution tank, an aqueous phase liquid inlet pump, a first valve, a pressure regulator, an oil phase liquid inlet assembly, a liquid mixing assembly, a reaction assembly and a collection assembly; compared with the traditional melamine phase change microcapsule preparation method, the melamine phase change microcapsule prepared by the intermittent method has the problems of poor quality stability, low performance reproducibility, low production efficiency and low cost, etc.; the melamine phase change microcapsule preparation method adopts a microfluidic device integrating temperature control, liquid mixing and chemical reaction, etc., and by connecting the liquid inlet pump at different places, various components can be introduced and polymerization reaction can be carried out in the process of preparing the melamine phase change microcapsule.

The present invention provides a transformer automatic oiling system based on improved pressure oiling equipment, including interconnected: oil source storage module, for oil storage, oil level monitoring and oil temperature control; intelligent connection module, for designing pipelines and valves, and installing intelligent connection components; pressurized oiling module, for pressure oiling using variable frequency oil pump and pressure control valve, and for oil injection quantity control in combination with throttle valve and voltage stabilizer; filtering and degassing module, for pre-filtration, degassing and drying, and for evaluating oil quality; control center module, for designing oiling control logic based on PLC control cabinet, controlling actuator to complete oiling task, and for real-time monitoring, remote control and alarm; safety guarantee module, for oil leakage detection and pressure detection. The present invention realizes a high-efficiency, low-maintenance automatic oiling process, and can also reduce the probability of equipment failure, extend the service life of transformers, reduce operation and maintenance costs, and improve the reliability and safety of power systems.

Disclosed is a pressure regulator seat that includes a seat body and a base. The seat body can include a flange that extends radially from an upstream edge of the seat body. In some configurations the pressure regulator includes a first projection disposed on an upstream surface of the flange and that extends in an upstream direction so as to separate a flow of fluid flowing in a downstream direction into at least two flow paths. In some configurations, a throttling seat is disposed on a downstream surface of the flange and has a second projection. The flange and the base can form a chamber therebetween. The at least two flow paths can enter the chamber. In some configurations, the second projection can extend in the downstream direction and into the chamber.

The utility model discloses a pressure regulator with a silencing function, and belongs to the technical field of pressure regulation and stabilization, an internal silencer and an external silencer are additionally arranged on the basis of the structure of an axial-flow type pressure regulator, when a valve cylinder is separated from a valve clack and a valve port seat, gas flows out through a silencing through hole of the internal silencer, and when the gas flow speed is high enough, the gas flow speed is high enough, and the gas flow speed is high enough. The noise reduction through holes can move the frequency spectrum of exhaust noise to high frequency, the audible sound part in the noise frequency spectrum is reduced, and therefore interference of the noise to the environment is reduced, the noise reduction barrel filled with the spring is arranged in the external silencer, when airflow passes through the spring in the noise reduction barrel, the spring in the noise reduction barrel can absorb kinetic energy generated by airflow impact, and the noise reduction effect is improved. When the airflow passes through the rectifying plate at the open end of the external silencer, the airflow passes through the multiple layers of perforated plates, layered diffusion and pressure reduction are achieved, the pressure and the flow speed of the fluid are reduced, meanwhile, the flow direction of the fluid is integrated, impact on the pipe wall is reduced, and the effect of reducing the noise is achieved.

The invention provides a power device of a hydrogen fuel cell based on a PEMFC, which belongs to the technical field of fuel cells and comprises a fuel cell stack, a hydrogen supply system, an air supply system, a cooling system and a control system, the hydrogen supply system comprises a hydrogen storage tank, the output end of the hydrogen storage tank is connected with an electromagnetic valve through a pipeline, the output end of the electromagnetic valve is connected with a pressure regulator through a pipeline, and the output end of the pressure regulator conveys hydrogen to a hydrogen inlet of the fuel cell stack through a hydrogen pipeline. And a pressure sensor is mounted on the pressure regulator. Through accurate adjustment of the intelligent control system, cooperative work of all the systems is achieved, efficient and stable operation of the fuel cell stack is guaranteed, the reliability and energy efficiency of the whole system are improved, and meanwhile the influence of unstable factors such as overheating and pressure fluctuation on the performance of the cell stack is effectively reduced.

A system includes a body, a sensor, a pressurized fluid source, and a blockage detection module. The body defines a cavity open to an ambient environment at a port. The sensor communicates with the cavity to produce a signal representative of a fluid pressure within the cavity. The blockage detection module includes a pressure regulator and a valve disposed along a conduit fluidly connecting the pressurized fluid source to the cavity. The blockage detection module includes a processor and memory encoded with instructions of a blockage detection method.

The invention provides a distributed driving system structure of an electric transmission vehicle. The distributed driving system structure comprises a driving motor, a hub reduction gear, a brake disc, brake calipers, a pressure regulator, a master cylinder, a brake controller, a filter and a connecting flange plate. The output end of a driving motor of the driving system, a hub reduction gear and a brake are coaxially arranged. A double-motor double-side independent driving mode is adopted, motors with different power densities are reasonably selected, and wheel reducers are matched, so that the driving system works in a reasonable working range. The power output part, the brake disc and the brake calipers of the driving system are arranged outside the vehicle body, the wire outlet end of the driving motor, the water inlet and the water outlet and the like are arranged in the vehicle, the environmental adaptability of the braking device and the driving motor can be improved, and the characteristics of compact structure and small size are achieved.

An irrigation device is provided having a housing with an inlet and a riser movable relative to the housing between a retracted position and an extended position. The irrigation device includes a pressure regulator mounted in the riser. The pressure regulator has a flow tube, a flow seat, and an elongated actuator. The flow tube is movable relative to the flow seat to control fluid flow into the flow tube. The elongated actuator is sized to extend through the flow tube to apply force from a nozzle assembly mounted to the riser to the flow seat to set a position of the flow seat in the riser.

The utility model relates to a biological fertilizer air supply stirring device which comprises a device mounting frame, a stirring tank for storing fertilizer is mounted in the device mounting frame, a stirring tank end cover is mounted at the upper end of the stirring tank, a servo motor is mounted at the upper end of the stirring tank end cover through a connecting flange, and a second mounting plate is mounted on the front side of the device mounting frame. A first mounting plate is mounted on the left side of the device mounting frame, a fan is mounted on the outer end face of the first mounting plate and connected with an air circulation treatment structure, the air circulation treatment structure is composed of an air inlet pipe connecting structure and an air outlet pipe connecting structure, and an air pressure regulator capable of regulating air pressure is arranged on the air inlet pipe connecting structure. A port of the air inlet pipe connecting structure is connected into the stirring tank, and the air outlet pipe connecting structure is installed at the upper end of the stirring tank end cover. The utility model solves the problems that the stirring efficiency is not high and the energy consumption is too large when the stirring and the gas supply are combined in the existing biological fertilizer gas supply stirring device, and the gas can not be recycled and reused.

The invention discloses a core device of a water boiling automobile for short as an energy storage pool. The core device of the water boiling automobile for short as the energy storage pool. The invention relates to the field of solar energy and constant energy. The invention relates to a solar vacuum heat absorption and heat preservation double-layer plate with the specification of CN202310069283.4. According to the secret room theorem, in a closed space, when the lost heat is smaller than the inflow heat, or the inflow heat is larger than the lost heat. The temperature in the secret chamber is increased; and when the lost heat is larger than the inflow heat, or the inflow heat is smaller than the lost heat. The temperature in the secret chamber is reduced; and when the lost heat is equal to the inflowing heat, the temperature in the secret chamber is not changed. The method is also called the discovery of Wangler's law. On the basis, solar energy and constant energy are further developed and utilized. The energy storage pool is characterized in that the bottom is made of a high-temperature-resistant and high-pressure-resistant And the upper part is a solar vacuum heat-absorbing heat-insulating double-layer plate. A pressure regulator is installed at the top end. And a water inlet hole and a steam outlet hole are reserved. The shape of the device is not limited to a cuboid, a cube, a cylinder, an ellipsoid and the like. The method can be combined with the prior art to be applied to different scenes. The system can also be developed and utilized as a novel energy source.

The invention discloses a production and processing device for a bottom shell of a pressure regulator, and relates to the technical field of production and processing of pressure regulators. The device comprises a workbench, a clamping centering mechanism and a machining and grinding mechanism are arranged on the workbench, a baffle is fixedly connected to the top of the workbench, a first hydraulic cylinder is fixedly connected to the rear side of the baffle, an output shaft of the first hydraulic cylinder slidably penetrates through the baffle, a first sliding block is fixedly connected to the output shaft of the first hydraulic cylinder, and a second sliding block is fixedly connected to the output shaft of the second hydraulic cylinder. A first sliding block is arranged above the workbench, a female die is arranged above the first sliding block, the female die is fixedly connected with the workbench, a first support is arranged above the female die, the first support is fixedly connected with the workbench, and a second hydraulic cylinder is fixedly connected to the top of the first support. The problems that in the using process of an existing pressure regulator bottom shell machining device, clamping and fixing are not stable, so that a shell shakes, the roughness degree of the polished surface of a material is possibly inconsistent, the attractiveness and using performance of a product are affected, and therefore the production efficiency is reduced are solved.

The invention discloses a fuel supply system of a marine ammonia fuel engine and a control method of the fuel supply system, and can be applied to the technical field of fuel supply. A liquid ammonia storage tank, a first low-pressure pump, a first pressure sensor, a heater, a pressure stabilizing module, a second pressure sensor, a filter, a high-pressure pump, a heat exchanger and a second buffer tank are arranged in the supply system, and a first buffer tank, a reversing valve, a gas-liquid separator, a pressure regulating valve and a liquefier are arranged in the pressure stabilizing module; the pressure stabilization working process is controlled through the output power of the ship engine or the difference value between the first pressure value collected by the first pressure sensor and the second pressure value collected by the second pressure sensor, and therefore the working stability of the ammonia fuel supply system of the ship engine can be effectively improved; the state of the ammonia fuel input into the ammonia fuel engine meets the requirements of the engine, and then the working stability of a ship is improved.

A system to produce a mixture of fluids includes a pressure source, a pressure regulator, at least a first container containing a first fluid and a second container containing a second fluid, and a microfluidic mixer. A control unit is configured to control the pressure level of the first fluid and the pressure level of the second fluid. The control unit is also configured to control an opening and closing of the first valve and of the second valve to inject the first fluid and second fluid successively into the microfluidic mixer, thereby generating a profile of fringes of the first fluid and of the second fluid within the common outlet channel.

Control zone devices that integrate a valve, filter, and pressure regulator within a single device are provided. Specifically, the control zone devices include a main body having a base portion with an inlet passage and an outlet passage attachable to a conduit and a body portion extending from the base portion having an interior for receiving a filter. The control zone devices further include a valve body including a solenoid bowl for attaching a solenoid and an interface cap for removably coupling the valve body to the main body of the control zone device and forming an interface between the valve body and the main body to operate the valve. The control zone devices also include a pressure regulator. In some configurations, the pressure regulator is positioned in a vent flow path of the valve body downstream of the solenoid for regulating pressure at the valve.

The present disclosure relates to a method or producing silicon tetrafluoride from fluorosilicic acid. In one implementation, a first stream comprising fluorosilicic acid and a second stream comprising sulfuric acid are reacted in a pressure regulator to produce an outgoing liquid stream comprising silicon tetrafluoride. The outgoing liquid is then fed into at least one separator which outputs at least one gas stream containing silicon tetrafluoride and at least one liquid stream. The at least one gas stream is fed into at least one additional separator which separates the at least one gas stream into at least one stream of purified silicon tetrafluoride gas. In some implementations, the at least one liquid stream is recycled back into the at least one separator.

The utility model discloses a portable pressure gauge capable of rapidly measuring output pressure for a pressure regulator, which comprises a pressure gauge plate and a connecting nut connected with the pressure gauge plate, the end part of the connecting nut far away from the pressure gauge plate is provided with a connecting interface, and the connecting nut is connected with a pressure measuring air outlet. According to the invention, the output pressure of the gas outlet of the bottled liquefied petroleum gas pressure regulator connected with the connecting interface can be measured through the pressure dial plate. Meanwhile, the output pressure and the closing pressure of the gas outlet of the bottled liquefied petroleum gas pressure regulator can be quickly measured through the opening and closing control of the pressure measuring gas outlet; the complicated pressure measuring process of high cost and low efficiency of measuring the output pressure and the closing pressure of the gas outlet of the bottled liquefied petroleum gas pressure regulator by a fixed special pressure measuring instrument in the prior art is changed, and the working efficiency and the pressure measuring convenience are greatly improved.

The utility model relates to the field of petroleum engineering, and discloses an acid rock reaction kinetics and flow conductivity parameter measuring device which comprises a first acid storage tank, a booster pump, a high-pressure gas storage tank, a pressure regulator, a high-temperature and high-pressure reaction kettle, a rock plate reaction kettle, a second acid storage tank, a sample collecting tank, a waste liquid tank and a liquid collecting tank which are sequentially connected through a pipeline, the acid liquor is input into the high-temperature and high-pressure reaction kettle after being regulated by the pressure regulator, is fully mixed with the additive and then enters the rock plate reaction kettle to be subjected to acid-rock reaction with the experimental rock plate, and the rock plate reaction kettle is subjected to water injection pressurization and confining pressure control through the pressure applying device. According to the utility model, two experiments of acid rock reaction kinetics and flow conductivity are combined to simulate the reaction speed of the acid rock under the conditions of different temperatures and pressures and different acid liquid viscosities, so that the mass loss caused by rotation of a rock plate is avoided, the influence of insufficient stirring on an experiment result under high-viscosity liquid is overcome, and the experiment efficiency is improved. And the accuracy of a measurement result is improved.