283results about How to "Reduce experimental error" patented technology

The invention discloses a long-distance high-pressure water delivery pipeline water hammer and leakage monitoring and positioning test device, which comprises a water tank, a water outlet side experiment unit, a water return side main path experiment unit and a water return side branch experiment unit, and is characterized in that the water outlet side experiment unit and the water return side branch experiment unit are communicated with the water return side main path experiment unit; the water outlet side experiment unit, the water return side main path experiment unit and the water return side branch path experiment unit are all communicated with the water tank. The device solves the problem that tiny leakage is difficult to monitor in the high-pressure water delivery process in the existing related test experiment technology, and the problems that the water hammer experiment signal precision acquisition is insufficient and the water hammer experiment causes impact damage to equipment. The invention further discloses a using method of the long-distance high-pressure water conveying pipeline water hammer and leakage monitoring and positioning testing device.

The invention relates to the technical field of mechanical data processing, in particular to a mechanical experiment data pre-processing method based on a mechanical model. The method comprises the following steps: acquiring a mechanical experiment setting condition and a mechanical experiment measurement target, and carrying out mechanical model calibration establishment to obtain a stress-strain experiment mechanical model; carrying out noise point radius circular filtering processing by recording mechanical experiment parameter data in real time, and carrying out interpolation compensation and standardization processing to obtain mechanical experiment parameter standardization data; performing mechanical experiment fitting processing on the stress-strain experiment mechanical model to obtain stress-strain mechanical experiment fitting output prediction data; performing model prediction error analysis on the mechanical experiment parameter data to obtain stress-strain mechanical experiment model prediction error data; and performing error correction optimization on the mechanical experiment parameter data to obtain mechanical experiment parameter error correction data. The method can improve the quality of mechanical data and the reliability of analysis results.

The invention provides a hydraulic cylinder deep sea simulation test device and method.The hydraulic cylinder deep sea simulation test device comprises a cylinder barrel, cylinder covers are fixedly arranged at the two ends of the cylinder barrel, a supporting adjusting platform and a sliding supporting platform which are horizontally arranged are arranged in the cylinder barrel, a test hydraulic cylinder is fixed to the supporting adjusting platform, and a flat pressing barrel sliding in a sealed mode is arranged on the cylinder barrel at one end; the end of the flat pressing cylinder is connected with the end of a piston rod of the test hydraulic cylinder through a connecting assembly, and the bottom of the connecting assembly abuts against the sliding supporting platform to slide. The deep sea simulation test device not only can simulate a deep sea high-pressure environment more truly, but also can significantly reduce test errors, improve leakage detection capability, enhance reliability and durability of a system, improve safety, and provide comprehensive data recording and analysis support. Therefore, the test quality of the hydraulic cylinder product is greatly improved, and the performance and reliability of the hydraulic cylinder product in practical application are ensured.

The invention provides a device and method for testing the fracture toughness of a Charpy-like impact sample in a low-temperature environment, and the device comprises an environment box system which is used for providing a low-temperature test environment; the frame system is located in the environment box system, the sample is located in the frame system, a boss is arranged at the bottom of the frame system, and the bottom end of the boss is an arc surface; the loading system comprises a pressure head and a lower guide rod, the lower guide rod is upwards inserted into the environment box system, the pressure head is downwards inserted into the frame system, the boss is located above the lower guide rod, the sample is located below the pressure head, and a notch of the sample is located on a connecting line of the pressure head and the center of the bottom end of the boss; and the measuring system is used for measuring test data. A low-temperature test environment is provided through the low-temperature test box, the purpose of testing the fracture toughness of the Charpy-like impact sample in the low-temperature environment can be achieved, and the device has the advantages that clamping is convenient in the test process, automatic centering is achieved, and the test error is small; meanwhile, test material consumption is reduced, and cost is reduced.

The invention provides a method for actively detecting the dosage of lime in lime stabilized soil for traffic infrastructure, and relates to the technical field of lime detection. The rapid detection method mainly comprises the following steps: preparing a plurality of test reagents, respectively adding a plurality of groups of lime stabilized soil containing different lime doses into an ammonium chloride solution to form a mixed solution, titrating the mixed solution by using a titrating solution, and detecting the conductivity of the solution, drawing a relation image of the solution conductivity and the dosage of the titrating solution, determining the dosage of the titrating solution when the conductivity is lowest, establishing a function relation between the lime dosage and the dosage of the titrating solution when the conductivity is lowest, repeating the steps and calculating the dosage of the lime in the to-be-detected lime stabilized soil in combination with the function relation. The invention overcomes the defects in the prior art, provides a new method for detecting the lime dosage of the lime-stabilized soil, and can quickly and accurately measure the lime dosage through the change of the conductivity in the solution and the characterization of the reaction process, thereby further improving the working efficiency.

The invention discloses a quantitative evaluation method for the adhesion of aggregate based on a water boiling method, and aims to solve the technical problem that the adhesion performance of asphalt and aggregate tested by the water boiling method can only be evaluated qualitatively and cannot be quantified. The quantitative evaluation method comprises the following steps: 1, carrying out a water boiling test on the adhesion performance of the asphalt and the aggregate by adopting a water boiling method; 2, shooting by adopting an industrial camera to respectively obtain images of four side surfaces coated with the asphalt aggregate and images of four side surfaces of the boiled asphalt aggregate; 3, unifying the background color of the side image, and then eliminating a reflective area on the surface of the aggregate through a two-stage reflective removal method to obtain a reflective-removed aggregate image; and 4, calculating the asphalt peeling rate on the surface of the aggregate by calculating the areas of the four side surfaces of the aggregate and the asphalt peeling area. According to the method, the boiling method and the image processing method are combined, the highlight area of the image is eliminated through the light reflection removing algorithm, the asphalt peeling area can be accurately calculated through the image method, and therefore the adhesion grade of the aggregate can be accurately judged.

The invention relates to a triaxial test universal sample preparation and high-frequency vibration loading integrated device and method, the device comprises a main body loading frame, a sample preparation suite, a loading suite and a loader, and the loader comprises a voice coil motor; the main body loading frame comprises a supporting plate, a supporting rod and a loading ejector rod, a working space is formed between the supporting plate and the supporting rod, one end of the loading ejector rod is connected with the loader, and the other end of the loading ejector rod extends into the working space; a soil sample is placed in the sample preparation suite, and the loading ejector rod loads static force or surface vibration to the sample preparation suite; a sample prepared in the sample preparation suite is placed in the loading suite, and the loading ejector rod loads static force or power to the loading suite. Compared with the prior art, the sample preparation and loading of the triaxial test sample are realized through the sample preparation suite and the loading suite, and the operation is convenient; and the loader adopts electric loading, so that the problems of compactness, stable quality and the like during sample manufacturing can be solved, and the test error can be effectively reduced while manpower is saved.

The invention relates to a gyrator and method for plant microgravity effect simulation, the gyrator comprises a main body box and a movable light source, the main body box comprises a plurality of modules spliced in series, the modules are provided with a plurality of clamps, and the clamps are used for placing plant culture containers and driving the plant culture containers to rotate; the movable light source is arranged on the front side of the main body box, the distance between the movable light source and the main body box is adjustable, and the movable light source is used for providing illumination for the plant sample. The device has the beneficial effects that the technical problem that the existing domestic microgravity simulation device cannot perform large-scale measurement and development condition tracking on mature plants is solved, and the experimental materials for the existing simulator are animal cells, plant seedlings, single plant adult seedlings and the like; and large-scale microgravity simulation of the overground part of the mature plant in a unified environment cannot be met. By means of the gyrator, the growth and development reactions of the overground parts of various plants under microgravity can be tested in batches.

The invention discloses a grouting prestress lining experiment system and a construction method thereof. The system comprises a triaxial ground stress loading assembly, a model box, a grouting assembly and a tunnel structure. The model box is arranged in the triaxial ground stress loading assembly; the tunnel structure is arranged in the model box and further communicates with the grouting assembly. Each panel of the model box can slide, so that the volume of the accommodating cavity in the model box is adjustable; the triaxial ground stress loading assembly is used for applying stress in a preset direction to the tunnel structure through the model box so as to simulate actual stress of the tunnel structure; the tunnel structure comprises a lining, a surrounding rock layer and a grouting layer arranged between the lining and the surrounding rock layer, the grouting layer is formed after a grouting assembly injects a slurry material into a hollow annular grouting film bag to be solidified, and during grouting, the inner wall of the hollow annular grouting film bag is attached to the outer surface of the lining. The invention aims to accurately obtain the mechanical response of the lining test piece under different ground stress conditions.

The invention discloses a rock-soil seepage experiment device, and relates to the technical field of rock-soil seepage experiments, the rock-soil seepage experiment device comprises a test board, the test board is provided with a material storage box, a pressing plate is arranged above the material storage box, one side of the pressing plate is provided with a compaction assembly, the surface of the test board is provided with a transverse groove and a vertical groove, and the vertical groove is communicated with the transverse groove. According to the rock-soil seepage experiment device, the adjusting motor drives the threaded rod and the compaction plate to move up and down, the initial height of the compaction plate and the storage box can be accurately adjusted, so that personalized compaction treatment can be performed on rock-soil of different types and humidity, the adjustability ensures that the compaction strength is not excessive or insufficient, and the compaction efficiency is improved. The flexibility and the accuracy of the experiment are improved; the compaction treatment ensures that the density and the compactness of the rock soil to be measured in the experiment process are kept consistent, and experiment errors caused by rock soil looseness or uneven density are remarkably reduced, so that the experiment can more accurately simulate actual geological conditions, and the reliability and the accuracy of experiment data are improved.

The invention belongs to the technical field of liquid engines, and discloses a liquid engine inner wall liquid film forming and visual diagnosis system which comprises a multifunctional spray pipe support and a calibration device, a liquid film forming device is arranged at the top of the multifunctional spray pipe support, and a visual spray pipe is arranged at the bottom of the liquid film forming device. According to the technical scheme, the liquid film forming device, the visual spray pipe and the multifunctional spray pipe support are arranged, when the liquid film forming device, the visual spray pipe and the multifunctional spray pipe support are used in a whole and matched mode, liquid film generation can be achieved, optical diagnosis can be conducted on the generated liquid film, and therefore a set of complete experimental research method is formed; an effective analysis means can be provided for a breaking mechanism of the liquid film in a high-temperature and high-speed airflow environment, the research blank is filled up, so that the understanding of breaking of the liquid film and generation of liquid drops is improved, and the initial flowing parameters of the liquid film can be accurately controlled and instability and experimental errors can be reduced through a method for forming the liquid film by impacting the wall surface through jet flow.

The invention relates to the technical field of micro-channel heat exchangers, and discloses a visual jet flow micro-channel heat exchanger boiling heat transfer experiment method and device, and the device comprises a testing device, a heating device connected with the testing device, and a heat exchange working medium circulating device communicated with the testing device. The visual observation device is used for carrying out a boiling heat transfer experiment on the jet flow micro-channel; and the data acquisition system is used for recording and analyzing data in the jet flow micro-channel boiling heat transfer experiment process. The testing device comprises a jet flow micro-channel heat exchanger, a packaging assembly of the jet flow micro-channel heat exchanger and an observation window detachably installed on the packaging assembly. According to the device and the method, the good light transmission of the glass observation window is utilized, the visual observation research on boiling heat transfer of the jet flow micro-channel is realized by virtue of the visual observation device, the operation is convenient, and the test precision is high.

The invention discloses an anisotropic turbulence model modeling method based on turbulence pulsation speed and dissipation rate. The method comprises the following steps: establishing a pulsation speed transport equation; the turbulent flow kinetic energy equation and the turbulent flow dissipation rate equation are solved, and the numerical value of the turbulent flow dissipation rate in the flow field is obtained; solving the transportation equation of the pulsation speed to obtain the turbulence pulsation speed; constructing a viscosity coefficient of the turbulent flow according to the obtained turbulent flow dissipation rate and the turbulent flow pulsation speed; calculating each stress item of the turbulent flow by using the constructed turbulent flow viscosity coefficient; and substituting the obtained turbulence stress item into an average flow equation and a turbulence pulsation speed equation of turbulence to obtain the anisotropic turbulence model. According to the anisotropic turbulence model equation established by the invention, the numerical calculation precision of the turbulence boundary layer is improved, and the established anisotropic turbulence model equation only contains a unique artificial parameter, so that the experimental error caused by human factors can be greatly reduced, the result is more accurate, and the data is more persuasive.

The invention relates to a hydraulic system for testing the performance of a precision hydraulic valve, and belongs to the field of experimental equipment. A hydraulic system for precision hydraulic valve performance testing is characterized in that the hydraulic system comprises a main oil way, an auxiliary oil way, an oil distribution module and an oil storage module, and the main oil way comprises a quantitative hydraulic pump, a pilot overflow valve, a flow regulating valve, a flow sensor and a pressure vibration suppression module; the auxiliary oil way comprises a quantitative hydraulic pump, a pilot overflow valve and a flow regulating valve; the oil distribution module comprises an oil way connecting block and an oil discharge confluence plate; the oil storage module comprises an oil tank, an oil suction filter, an oil return filter and an oil cooler. Modular design is adopted, the modules are connected through the standard hydraulic connectors, a power liquid pressure source and a control liquid pressure source which are stable in flow, pressure and temperature can be provided for a precision hydraulic valve performance test, and the device has the advantages of being high in interchangeability and expandability, convenient to use and stable in performance.

The invention discloses a primer and probe combination for detecting a bulbus fritillariae cirrhosae medicinal material based on Taqman fluorescent probe double-marking linear correction quantitative PCR (Polymerase Chain Reaction). The invention further discloses a method for detecting the bulbus fritillariae cirrhosae medicinal material based on Taqman fluorescent probe double-marking linear correction quantitative PCR, the bulbus fritillariae cirrhosae specific primers and probes designed based on six bulbus fritillariae cirrhosae-based original plant conserved gene sequences and the 18sRNA universal reference gene primers and probes are adopted, a sample to be tested and a standard reference substance are amplified at the same time in a PCR reaction system, and the specific primers and probes are used for detecting the specific genes of the bulbus fritillariae cirrhosae medicinal material based on Taqman fluorescent probe double-marking linear correction quantitative PCR. The method comprises the following steps: qualitatively confirming that a test sample contains the bulbus fritillariae cirrhosae component according to amplification results of a bulbus fritillariae cirrhosae specific primer and a probe, then taking a standard reference substance as a template to obtain two standard curves of a bulbus fritillariae cirrhosae specific gene and a 18sRNA gene, and finally quantitatively analyzing the bulbus fritillariae cirrhosae content in the test sample by adopting a double-marking linear correction method. The method can be used for efficiently, specifically and accurately detecting the ingredients and content of the bulbus fritillariae cirrhosae through PCR.

The invention relates to the technical field of biological medicine, and discloses a titer determination method of a specific immune globulin neutralizing antibody, which comprises the following steps: step 1, preparing a cell maintenance fluid; 2, preparation of a virus solution for neutralization: diluting viruses (cytomegalovirus, syncytial virus and EV71 virus) to 100CCID50 by using a diluent according to the virus titer; step 3, diluting the test sample: carrying out double series dilution on the intravenous injection human immune globulin, the tetanus human immune globulin, the rabies human immune globulin and the human immune globulin until no cytotoxicity exists; 4, diluting a standard substance; 5, virus back dripping; step 6, neutralizing viruses; step 7, preparing cells for the test; step 8, infection; and 9, judging a result. According to the present invention, the accurate detection on the titer of the neutralizing antibody of the specific immune globulin can be achieved, and the cytotoxicity influence of the test sample and the fringe effect during the detection process can be removed so as to ensure the detection accuracy.

The invention discloses a plasma regulation and control device based on a radio frequency inductive coupling technology, and relates to the technical field of plasma parameter regulation and control. In order to solve the technical problems in the prior art that although traditional gradient generation equipment can generate a high-density electrode, the time is short, and an experimental environment electrode and a continuous controllable electrode are difficult to generate plasmas with enough large area while ensuring the discharge uniformity, the invention provides a gradient generation device. According to the technical scheme provided by the invention, the plasma regulation and control device based on the radio frequency inductive coupling technology comprises a discharge chamber; the annular antenna main body sleeves the outer wall of the discharge chamber and is used for generating plasma in the discharge chamber; the binding post is arranged on the loop antenna and is used for connecting the input end and the output end of the radio frequency power supply; the rake type probe array is used for measuring the electron density and temperature of the plasma; and the servo system is used for driving the rake type probe array to move. The method is suitable for being applied to plasma parameter regulation and control work.

The invention belongs to the field of rock physical test devices, and particularly relates to an in-situ CT scanning-based ultralow-temperature high-pressure seepage and deformation test device and method.The sample device comprises a rock core clamping system, a seepage injection system, a confining pressure system, a back pressure system, a pressure acquisition system and a temperature control system, the rock core clamping system comprises a titanium alloy double-layer rock core holder and a heat-shrinkable sleeve for wrapping a rock core, and the rock core clamping system is fixed on a rotary objective table of the CT scanning system through a clamp; the seepage injection system comprises a gas phase injection pump; the backpressure system comprises a backpressure control pump; the confining pressure system comprises a nitrogen confining pressure pump; the pressure acquisition system comprises a computer and a Keller differential pressure sensor; the temperature control system comprises a Dewar flask. The method comprises a seepage test method and a deformation test method. According to the device and the method, a transient method permeability test and a pore water frost heaving-rock matrix cold contraction nonlinear coupling deformation test at ultralow temperature can be performed, and a theoretical basis is provided for construction of an underground liquefied natural gas reservoir.

The invention relates to the technical field of electrical equipment state evaluation, in particular to a power cable insulation material detection device and a thermo-oxidative aging detection method.The power cable insulation material detection device comprises a high-temperature aging oven used for simulating the high-temperature environment where an insulation material is located; the temperature control equipment is used for controlling the temperature in the high-temperature aging box; the oxygen supply equipment is used for supplying oxygen into the high-temperature aging box; the clamp is used for clamping and fixing a detected insulating material sample, clamping the detected sample through the clamp and placing the detected sample in the middle of the high-temperature aging oven, oxygen is supplied to the high-temperature aging oven through the oxygen supply equipment, the temperature in the high-temperature aging oven is controlled through the temperature control equipment, and the temperature in the high-temperature aging oven is controlled through an aging experiment in a short-time high-temperature and oxygen environment. And the aging characteristic of the cable material can be evaluated in a short time.

The utility model provides a machine-made sand MB value automatic detection device, comprising a stirring mechanism comprising a stirring cup and a stirring assembly arranged in the stirring cup; the rotating mechanism comprises a rotating tray and a plurality of filter paper placing round holes which are formed in the circumferential direction of the rotating tray at equal intervals; the injection mechanism is arranged on one side of the stirring cup and used for quantitatively injecting the methylene blue solution into the stirring cup; the liquid dipping mechanism is arranged on one side of the stirring cup and is used for dipping the suspension liquid in the stirring cup onto the filter paper on one filter paper placing round hole; the pattern recognition mechanism is arranged on one side of the liquid dipping mechanism, and the recognition end of the pattern recognition mechanism is located above a filter paper containing round hole. Through mutual cooperation of the stirring mechanism, the rotating mechanism, the injection mechanism, the liquid dipping mechanism and the pattern recognition mechanism, no personnel participation is needed during detection, manpower resources are greatly saved, color halo can be automatically recognized, and the detection efficiency is improved. And experimental errors caused by human experience and other factors are greatly reduced.

The utility model discloses a paddy field sampling soil impurity removal device which comprises a treatment box, the treatment box comprises an impurity removal box, a feeding port is formed in the upper end of the impurity removal box, an adjusting assembly is arranged in the impurity removal box and comprises a detection box, a humidity sensor is arranged in the detection box, an adjusting box is arranged at the lower end of the detection box, and the humidity sensor is arranged in the adjusting box. A fixed seat is arranged on the end side of the adjusting box, a control motor is arranged on the fixed seat, a positive and negative tooth screw rod is arranged at the output end of the control motor, a shaft seat is arranged on the positive and negative tooth screw rod in a sleeving manner, a rotating motor is fixedly arranged on the shaft seat, and a crushing roller is arranged at the output end of the rotating motor. And the arranged humidity sensor is matched with the driving motor, the left-right distance between the smashing rollers can be automatically adjusted according to the soil humidity, the distance between the smashing rollers is adjusted according to the soil humidity, caked soil can be more effectively smashed, and therefore the impurity removing efficiency is improved.

The invention provides a tissue slice patch preparation method based on a tissue chip. The tissue slice patch preparation method comprises the following steps: mixing raw materials to prepare a receptor wax block, collecting a tissue core and transferring the tissue core to the receptor wax block to form a fused wax block, cooling the fused wax block, storing the fused wax block, and carrying out operations of pre-cooling correction, slice unfolding and slice baking. According to the tissue chip-based tissue slice patch preparation method, the tissue chip can be better protected, and the integrity of the tissue chip is ensured.

The utility model discloses a water quality standard solution titration device, including first container, liquid passage, solution container, water pump, control valve, flowmeter and colority detection subassembly, liquid passage is provided with two at least, and the one end of each titration tube is inserted to the above of first container, the liquid in solution container is made to flow into the liquid passage with the one end of each liquid passage away from titration tube intercommunication, water pump is communicated with liquid passage, and the liquid in solution container is dripped into first container under the drive of water pump through liquid passage and titration tube, control valve is arranged on titration tube, and colority detection subassembly is arranged above first container, water pump can drive solution to drip into first container through liquid passage and titration tube, replaces manual solution and drips into first container, realizes the automation, reduces the experimental error because of manual multiple comparison color, simplifies the operation procedure, and reduces the manual cost.

The application discloses a vehicle aerodynamic simulation model correction method and device, electronic equipment and medium, and relates to the technical field of vehicle simulation. Wherein, by establishing the mapping relationship between the actual flow field and the simulation flow field and calculating the difference data set, then using the physical field inversion algorithm to obtain the target correction factor distribution of the to-be-corrected parameter in space, and combining the flow state characteristic quantity to train the machine learning model to obtain the target correction function, finally embedding the function into the solver to realize the bottom correction of the vehicle aerodynamic simulation model. In this way, the problem of inaccurate vehicle simulation of the vehicle aerodynamic simulation model is fundamentally improved, the corrected simulation model has spatial adaptive ability, can automatically apply differential correction according to local flow characteristics, significantly reduces the error between simulation and test, avoids the problems of product performance not meeting the standard, design change and cost waste caused by simulation deviation, and greatly improves the accuracy and robustness of simulation.

The utility model discloses an improved asphalt mixture rut testing machine for road detection, and relates to the technical field of engineering detection. Comprising a shell, a clamping mechanism is arranged on the inner wall of the bottom of the shell, the clamping mechanism comprises a linear sliding rail, the bottom of the linear sliding rail is connected with the inner wall of the bottom of the shell, a sliding block is slidably connected to the top of the linear sliding rail, a detection mechanism is arranged at the top of the clamping mechanism, and the detection mechanism comprises a supporting frame; a through hole is formed in one side of the supporting frame in a penetrating mode, and a lead screw is rotationally connected into the through hole. Through the arrangement of the clamping mechanism and the detection mechanism, in the use process, a sample is firstly placed on a test bed, then a clamping plate clamps the sample through a sliding plate under the action of a first sliding rod and a first spring, and meanwhile, a second sliding rod and a second spring carry out secondary clamping on the sample; the test sample is kept in the middle of the test bench, and test errors are reduced.

The invention discloses a preparation method of carbon black standard pollution cloth, which comprises the following steps: (1) boiling off sample cloth which is subjected to desizing treatment and cut according to requirements at high temperature, carrying out secondary desizing treatment, and finally ironing the sample cloth to be dry; (2) preparing a carbon black pollution solution, namely uniformly mixing the following components in parts by mass: 1.05 to 1.15 parts of peregal O-25, 1.9 to 2.1 parts of carbon black powder, 5.9 to 6.1 parts of gum arabic powder, 6.9 to 7.1 parts of sodium carboxymethyl cellulose and 1250 to 1300 parts of soft water, so as to prepare a basic pollution solution, wherein the basic pollution solution is prepared from 1.05 to 1.15 parts of peregal O-25, 1.9 to 2.1 parts of carbon black powder, 5.9 to 6.1 parts of gum arabic powder, 6.9 to 7.1 parts of sodium carboxymethyl cellulose and 1250 to 1300 parts of soft water; and then adding soft water preheated to 60-65 DEG C into the basic pollution liquid until the pollution liquid reaches 2000 parts by mass, thereby obtaining the carbon black pollution liquid, (3) sample cloth dyeing: adding soft water into the carbon black pollution liquid to prepare a diluted pollution liquid; pouring the diluted pollution liquid into an enamel plate, clamping the sample cloth with tweezers, and immersing the sample cloth into the diluted pollution liquid from the front end of the enamel plate for pull dyeing; and clamping the dyed polluted cloth for steaming, and then putting the steamed polluted cloth into a moisture-proof cabinet for drying.

The invention discloses a pressure-controllable clamping and dipping device and method for rock sample cementing treatment, and belongs to the technical field of rock sample tests. The device consists of a radial centering pressurizing module, an independent heating container and a hydraulic control system, the independent heating container and a saucepan with a built-in thermometer are fixed on a base, and a heating wire is arranged at the bottom of the base. An annular hydraulic oil groove is integrated in the base and connected with an internal pushing rod through multiple sets of hydraulic oil pipes, a sample contact plate is installed at the tail end of the pushing rod, and a supporting block is arranged on the outer side for positioning. The radial centering and pressurizing module is erected above the circumferential centering and pressurizing module; and an internal pushing rod is connected with the pressure transmission plate and the sample contact plate. A manual hydraulic pump is connected with an oil pump pressurization connector through a quick connector, a hydraulic oil pipe is provided with a high-precision pressure gauge and a control valve, a separator is laid in a sample contact area, and all the components cooperate to achieve cementing treatment of a rock sample at constant temperature and constant pressure.

The utility model provides a kind of spotting positioning device for cell culture multi-well plate, the spotting positioning device includes the lower layer bottom plate and upper layer spotting positioning rectangular frame of parallel arrangement;The lower layer bottom plate is also equipped with and is used for supporting the support column of spotting positioning rectangular frame;The top surface of the lower layer bottom plate is formed with the multi-well plate limiting slot for placing multi-well plate;The upper layer spotting positioning rectangular frame is formed with rectangular work window;The spotting positioning device further includes replaceable spotting positioning strip, the spotting positioning strip is formed with several array spotting holes, the spotting positioning strip is erected on the upper layer spotting positioning rectangular frame so that spotting hole is located in rectangular work window;Positioning scale for identifying or assisting positioning spotting positioning strip position is equipped on the upper layer spotting positioning rectangular frame.The spotting positioning device of the application is simple and easy to operate, low in cost, and has high parallelism between multiple holes, suitable for general laboratory applications that do not require excessive samples and have low budgets.

The invention discloses a gas adsorption and thermodynamic intelligent sensing test system and method for different component materials, and belongs to the technical field of material adsorption and thermodynamic experiments, the system comprises a data set module, an experiment sensing module and an adsorption-desorption and thermodynamic coupling model unit, and the method comprises the following steps: S1, material element analysis; s2, constructing an adsorption-desorption and thermodynamic coupling model; s3, acquiring field experiment parameters; s4, obtaining an experiment result; s5, obtaining a data table, a data graph and data fitting in combination with an experiment result obtained in the step S4, and exporting data; according to the invention, the adsorption and desorption and thermodynamic experiment of the multi-component material can be completed, and an idea is provided for exploring the adsorption and desorption and thermodynamic experiment rule of the multi-component material.

The invention relates to a temperature-controllable permeation soil column model test device capable of simulating different consolidation stresses, which comprises a peripheral sealing device, a consolidation permeation device is arranged in the peripheral sealing device, and a thermal insulation liquid is filled between the lower part of the consolidation permeation device and the interior of the peripheral sealing device. A transition liquid storage tank communicated with the consolidation and permeation device is arranged on the side surface in the peripheral sealing device, and a pressurizing device communicated with the consolidation and permeation device and the transition liquid storage tank is arranged on the outer side of the peripheral sealing device. Through arrangement of the peripheral sealing device and the heat preservation liquid, constant-temperature adjustment of the temperature in the test process is achieved, the test is not affected by external temperature factors, and the test error and the test cost are reduced; the test device is combined with the consolidation device and the permeation device, and the sample can be subjected to a permeation test without moving after being consolidated in the test device, so that the artificial disturbance is avoided, and the test error is reduced.