30results about How to "Enables in-situ testing" patented technology

The invention provides a micro double-bed solid fuel decoupling combustion reaction dynamic analyzer which comprises a fuel pyrolytic reaction generation device, a residual coke combustion reaction generation device, a double-bed high-temperature coupling device, a gas path device and an analysis test device, wherein solid fuel is firstly pyrolyzed under an inert atmosphere in a micro gas flow bed; then residual cokes enter the micro gas flow bed for combustion test under an air atmosphere; a quick gas detector is used for judging a reaction mechanism by measuring a generation sequence and a generation quantity characteristic of gas components in a fuel pyrolysis process and a coke combustion process, so that reaction dynamic parameters can be calculated. According to the micro double-bed solid fuel decoupling combustion reaction dynamic analyzer, the combustion dynamic parameters of the solid fuel can be tested through direct decoupling combustion through independent and quick switching of the atmospheres and the temperature; the pyrolyzed residual cokes are directly subjected to the combustion test without a cooling process; the temperature rising rates of the gas flow bed and a fluidized bed are high, so that a combustion condition in an actual boiler can be well simulated; the measured reaction dynamic parameters are close to intrinsic reaction dynamic parameters.

The invention discloses a silicon carbide MOSFET high-temperature gate bias test method. Through rapid switching of an electronic switch between a gate bias voltage test module and a threshold voltagetest module, an in-situ test of a silicon carbide MOSFET threshold voltage after a high-temperature gate bias test is realized, and a test value error caused by recovery of the threshold voltage after the test is prevented. The influence of the test stress on the threshold voltage is represented more accurately through a forward scanning mode and a negative scanning mode, and meanwhile, the recovery condition of the threshold voltage of different devices in the same time period can be calculated through automatic collection of threshold voltage test values at a series of time points. According to the invention, the limitation of a high-temperature gate bias test on the silicon carbide MOSFET in the prior art is solved, and the gate oxide quality of the silicon carbide MOSFET can be accurately evaluated and tested.

The invention relates to an on-site testing platform for the micromechanical property of a material in a shearing-torsion loading combination mode, belonging to the field of precision scientific instruments. The on-site testing platform comprises a precision shearing loading driving unit, a precision torsion loading driving unit, a mechanics and deformation signal detection and a test piece clamping unit and the on-site testing platform can be used for respectively testing the micromechanical property of the material by single loading action of shearing or pure torsion, and can also be used for testing micromechanical property of the material in a shearing-torsion loading combination mode. The on-site testing platform has the advantages of multiple functions and compact and light structure, has the functions of driving, loading, detection and dynamic testing of multiple micro properties of the material, can be well compatible with main commercial instruments such as a scanning electronic microscope, an optical microscope (a metallurgical microscope), an X-ray diffractometer and the like, and can dynamically research the microstructure of the material and the relative rules of a deformation damage mechanism under different types of loading by combining the material property test representation instruments.

The invention relates to a measuring method of solar cell protective coating optical transmittance, which is characterized in that a method for measuring luminous flux I used for obtaining the optical performance of the protective coating. Firstly a glass cover sheet is radiated and aged, so the transmittance of the glass cover sheet is basically free from changing; then through the calibration experiment of few ground particle radiation and utilizing the method of American Naval Research Laboratory, the damage characteristic curve of the solar cell is determined under different light spectrums; the response of tri-nodal solar cell caused by the sunlight which is transmitted through the protective cover and the glass cover sheet is analyzed, and the output power equivalent change caused by the degradation of the solar cell is calculated by utilizing the damage characteristic curve of the solar cell calibrated through the ground experiment so as to separate the coupling effect of the solar cell degradation and the coating degradation and to obtain the evaluation value of the optical transmittance variation of the coating in the radiation environment. The measuring method has important significance on the round simulation environment in-situ test of the optical material for the space.

The invention provides an ultrahigh-temperature thermo-mechanical coupling strain gauge based on a reflection type X-ray in-situ experiment and a working method. The strain gauge comprises a base, a bidirectional screw rod which is mounted in the base and is parallel to a long edge and movable blocks which do relative motion through the bidirectional screw rod, wherein the movable blocks are connected with four connecting rods; the four connecting rods are connected two by two to form a quadrilateral structure; a pair of sliding blocks are relatively arranged at the other two nodes which are not connected with the movable blocks, and are arranged on sliding rails respectively; the sliding blocks are connected with a pair of sample clamps through piezoelectric sensors in a direction vertical to the bidirectional screw rod; the sample clamps penetrate through a shell inner wall and a shell outer wall and then penetrate through heat insulation walls to get close to a heating module; gas path connectors are mounted at the centers of long edges of the shell inner wall and the shell outer wall respectively; a cooling pipe is mounted between the shell inner wall and the shell outer wall;upper covers are mounted above the shell inner wall and the shell outer wall. According to the ultrahigh-temperature thermo-mechanical coupling strain gauge, the conversion of atmosphere environmentscan be realized and mechanical drift caused by thermal expansion is reduced; ultrahigh-temperature experiment conditions are realized and adverse effects caused by ultrahigh temperature on a moving mechanism are avoided.

The invention relates to the technical field of lithium batteries, in particular to a device for in-situ observation of a battery pole piece and an electrolyte. The device comprises a sample cell, a sealing film assembly, an electrode fixing part and an electrode assembly, wherein windows are formed in the two opposite sides of the sample cell; the windows on the two sides are sealed through the sealing film assembly; an electrode mounting hole is formed in the top of the sample cell; and the electrode assembly is mounted in the electrode mounting hole through the electrode fixing part. The electrode assembly comprises an electrode holder, electrodes and battery pole pieces, wherein two electrodes are inserted into one end of the electrode holder; two battery pole pieces are inserted intothe other end of the electrode holder; the ends, located in the electrode holder, of the two battery pole pieces are connected with the two electrodes respectively; and the other ends of the two battery pole pieces are contained in the sample cell. The device is simple in structure and convenient to operate, and microcosmic information is measured while macroscopic measurement is carried out on the battery.

The invention relates to an inspection van for integrating airplane test equipment. The inspection van comprises a van body, an air conditioner and a fire extinguisher and also comprises first detection equipment, second detection equipment, a detection cable, a detection cap, a cabinet, a worktable and a cable box, wherein the first detection equipment is mounted in the cabinet, the second detection equipment is mounted in the worktable, the detection cable is mounted in the cable box, and the detection cap, the cabinet, the worktable and the cable box are all mounted in the van body. Compared with the prior art, the invention has the advantages of strong flexibility, complete functions, and the like.

The invention discloses a method for crystallizing germanium antimony tellurium materials through electronic beam irradiation induction. The method comprises the steps that a substrate capable of carrying out microstructure representation or electrical property testing or in-situ performance testing is selected for preparing a germanium antimony tellurium amorphous film; the substrate for preparing the germanium antimony tellurium amorphous film is subjected to electron microscope sample pretreatment; a clean and smooth area of the surface of the germanium antimony tellurium amorphous film isfound in an electron microscope sample; the irradiation range, irradiation voltage, irradiation intensity and irradiation time are set in an electron microscope; the crystallizing process of the irradiation area of the electron microscope sample is observed in the electron microscope in real time, germanium antimony tellurium crystals meeting the crystallizing range, the crystal structure and thegrain size are obtained, and the process of crystallizing the germanium antimony tellurium materials through electronic beam irradiation induction is completed. The method provides experimental evidences for the study of the phase-change material crystallization mechanism and corresponding structural performance.

The invention discloses a prototype of a sapphire ultra-high temperature pressure sensor. The prototype of the sapphire ultra-high temperature pressure sensor comprises a sapphire passive high-temperature-resistant voltage-sensitive element, a long-distance wireless transmission module and a characteristic signal wireless reading and storing module, wherein an anti-thermal impact plate is arrangedat one end of the outer side of the pressure sensor prototype, and a heat dissipation plate is installed at the other end of the pressure sensor prototype; the sapphire passive high-temperature-resistant voltage-sensitive element is installed on one side inside the pressure sensor prototype; the sapphire passive high-temperature-resistant voltage-sensitive element is composed of a high-temperature-resistant sensitive capacitor and a high-temperature wireless transmission inductance coil; a high-temperature-resistant thermal insulation material layer is arranged between the passive high-temperature-resistant pressure-sensitive element and the long-distance wireless transmission module; and a high-temperature-resistant test antenna is installed in the characteristic signal wireless readingand storing module. The passive high-temperature-resistant pressure-sensitive module of the sensor prototype can work at a super-high temperature environment of 1,200 DEG C or above, and the wirelessreading and storing module works in a high-temperature environment so as to realize in-situ testing of the characteristic signals in the ultra-high-temperature environment.

The invention discloses a displacement testing system which comprises a centrifugal machine, a micro optical fiber probe, a feature point calibration label, a micro optical fiber insertion part, a development and image acquisition device, a cold light source, an optical fiber image transmission bundle, an objective lens, an ocular lens, a network cable and an industrial personal computer. In addition, a displacement testing method comprises the steps of calibration label image acquisition, calibration image processing, displacement / pixel parameter calculation, radial / circumferential displacement image acquisition, detection parameter setting, measurement image processing and displacement display storage. According to the invention, the optical fiber endoscope is applied to a centrifugal dynamic test task and advantages of the optical fiber endoscope are brought into full play. Compared with the traditional displacement measurement mode, the disclosed displacement testing system and displacement testing method have the following advantages: the product destructiveness is low; in-situ test is basically realized; the operation is easy and feasible; the displacement is measured by utilizing an optical imaging technology; and the precision and accuracy of displacement measurement can be improved by further mining and developing the image processing algorithm and technology and the precision can reach a plurality of micro levels at most.

The invention provides an in-situ electrochemical test device for simulating acid rain corrosion. The device comprises a liquid storage tank (1), an environment simulating box (4), a control cabinet (12), an electrochemical working cabinet (8) and a computer which are connected in series, wherein a multi-jet nozzle (3) of the liquid storage tank (1) extends to a position above a bracket (7) in the environment simulating box (4), an input end of the electrochemical working cabinet (8) extends to a position above the bracket (7) in the environment simulating box (4), an output end of the electrochemical working cabinet (8) is connected with the computer. When the in-situ electrochemical test device for simulating acid rain corrosion is in use, at least two samples to be tested are used as electrodes (6) and are respectively connected with the input ends of the electrochemical working cabinet (8), and thus the in-situ electrochemical test can be fulfilled. The in-situ electrochemical test device has the following advantages: (1) the instantaneous corrosion rate of acid rain can be obtained; (2) various acid rain corrosion processes can be simulated; (3) a corrosion test in an acid rain environment can be implemented; and (4) the device is simple in structure, low in cost, convenient to operate and easy to maintain.

The invention relates to an in-situ monitoring method, a testing system and testing equipment for the rigidity of soil around a pile. The monitoring method comprises the following steps: testing the soil around the pile of a fan, emphatically considering the rigidity change of the soil within the range of 4 times of the pile diameter in the horizontal direction, arranging measuring points by taking the pile diameter D as a distance, and meanwhile, arranging one measuring point as a contrast in a free field; each measuring point being arranged in the pile burial depth direction, vertical measuring points being arranged according to the characteristics of an initial measured foundation soil body, and at least two vertical measuring points being arranged on each layer of soil body; performing in-situ test on the rigidity of soil around the fan pile once a week, and recording the collection date during each test; the undisturbed soil shear wave velocity testing equipment generating related data during working, and processing on-site data of testing points around a pile to obtain a three-dimensional space-time model of the rigidity of soil around the pile. According to the monitoring method, three-dimensional space-time monitoring of the rigidity of the soil body around the fan pile is achieved for the first time, and structural and dynamic characteristic changes of the soil body within the influence range around the fan pile in a three-dimensional space are obtained.

The invention provides a horizontal shock excitation device for a steel rail. The horizontal shock excitation device comprises a counterforce system, a loading unit and a sensor, wherein the counterforce system comprises a potential energy switching frame and a limiting counterforce frame; a downward extending slide rail is arranged on the potential energy switching frame; the tail end of the slide rail horizontally extends out of the potential energy switching frame; the loading unit is arranged on the slide rail in a sliding form; the slide rail penetrates through the limiting counterforce frame and extends to the steel rail; a limiting counterforce surface is arranged on the limiting counterforce frame; the limiting counterforce surface is arranged right above the steel rail; the loading unit comprises a loading head for exciting the steel rail; a space for limiting the loading head is formed between the limiting counterforce surface and a sleeper of the steel rail; and the sensor is arranged on the loading unit and is used for recording and transmitting the loading data. The horizontal shock excitation device for the steel rail not only can be used for more accurately simulating a wheel rail relation but also can be conveniently operated. A test can be completed by only one person, so that the horizontal shock excitation test for the steel rail can be simply and effectively realized on site.

The invention provides a micro double-bed solid fuel decoupling combustion reaction dynamic analyzer which comprises a fuel pyrolytic reaction generation device, a residual coke combustion reaction generation device, a double-bed high-temperature coupling device, a gas path device and an analysis test device, wherein solid fuel is firstly pyrolyzed under an inert atmosphere in a micro gas flow bed; then residual cokes enter the micro gas flow bed for combustion test under an air atmosphere; a quick gas detector is used for judging a reaction mechanism by measuring a generation sequence and a generation quantity characteristic of gas components in a fuel pyrolysis process and a coke combustion process, so that reaction dynamic parameters can be calculated. According to the micro double-bed solid fuel decoupling combustion reaction dynamic analyzer, the combustion dynamic parameters of the solid fuel can be tested through direct decoupling combustion through independent and quick switching of the atmospheres and the temperature; the pyrolyzed residual cokes are directly subjected to the combustion test without a cooling process; the temperature rising rates of the gas flow bed and a fluidized bed are high, so that a combustion condition in an actual boiler can be well simulated; the measured reaction dynamic parameters are close to intrinsic reaction dynamic parameters.

The invention relates to an instrument for testing the shearing strength values of a soil mass in situ, and belongs to the technical field of rock and soil engineering. One-way bearings comprise an upper one-way bearing and a lower one-way bearing, and connectors comprise an upper connector and a lower connector; the longitudinal sections of the upper connector and the lower connector are funnel-shaped, one wider ends of the upper connector and the lower connector are respectively fixed together with the upper one-way bearing and the lower one-way bearing, and the upper connector is sleeved on the outer side of the lower connector; and shearing plates are divided into an upper shearing plate and a lower shearing plate, the cross sections of the shearing plates are crossed, and the upper shearing plate and the lower shearing plate are respectively fixed together with the upper connector and the lower connector. Through the instrument, the shearing strength values of the soil mass in the horizontal direction and the vertical direction can be respectively measured, and the defect that the conventional cross plate shearing instrument cannot separate the two shearing strength values is overcome. By separating the shearing strength values in the horizontal direction and the vertical direction, the testing precision of the in-situ shearing strength values of the soil mass is improved.

The invention discloses a microwave moving sintering lunar soil testing device and method in a vacuum environment, and belongs to the technical field of deep space resource in-situ utilization and engineering construction testing. The microwave moving sintering lunar soil test device in the vacuum environment comprises a vacuum test cabin module, an intelligent mechanical arm module, a microwave generation and focusing radiation module, a sintering process comprehensive monitoring module and a sintering effect in-situ evaluation module, wherein the vacuum test cabin module comprises a vacuum cabin body, a vacuum environment construction system and a temperature construction system; the microwave moving sintering lunar soil test method in the vacuum environment comprises the following steps: laying simulated lunar soil, starting a vacuum environment construction system, starting a temperature construction system, and performing sintering test and monitoring and sintering effect in-situ evaluation. According to the test device and the test method for microwave movement sintering of the lunar soil in the vacuum environment, research on the property of the simulated lunar soil, microwave action parameters, a sintering path and an influence mechanism of sintering parameters on a sintering effect can be realized, and in-situ evaluation on mechanical parameters of the sintered simulated lunar soil can be realized.

The invention discloses a compressive strength test system and test method of microcapsule inhibitors for mining. The pressure control part of the test system includes a hydraulic pump station and a main loading hydraulic cylinder, and the main loading hydraulic cylinder is fixedly installed on the test platform; The part includes auxiliary loading hydraulic cylinder and pressure vessel. The piston II of the auxiliary loading hydraulic cylinder and the piston I of the main loading hydraulic cylinder are connected by a piston rod to form an integrated structure. It is connected to the large chamber end of the auxiliary loading hydraulic cylinder, and the pressure vessel is provided with a microcapsule inhibitor injection port and a mixed liquid discharge port; the detection part includes a liquid chromatograph connected to the mixed liquid discharge port through a sampling pipeline. The invention can accurately measure the compressive strength of the microcapsule inhibitor under the premise of accurately restoring the real pressure of the microcapsule inhibitor in the high-pressure pipeline transportation process, and can provide a theoretical basis for determining a suitable pipeline injection pressure and data support.

One-dimensional material transmission electron microscopy force-electric coupling in-situ test method, design and manufacture a multifunctional sample stage that can be used to compress, buckle and bend the sample, remove the carbon film of the transmission electron microscope copper grid, and remove it through the center of the circle Cut the sample in half, ultrasonically disperse the sample in alcohol, drop the sample on the edge of the semicircular copper grid with a pipette gun, and fix a single sample on the sample stage with an epoxy resin conductive silver glue using a micromechanical device under an optical microscope The edge of the substrate, and the surface of the sample stage substrate is coated with conductive silver paint, and the force-electric coupling in-situ test is carried out in the transmission electron microscope. The invention provides a simple and efficient sample preparation and testing method for transmission electron microscope force-electric coupling in-situ observation experiment, which can carry out compression, buckling and bending experiments on samples, and can observe the material of the sample in the process of stress in real time. The change of microstructure and the change of electrical properties realize the force-electric coupling in-situ test of one-dimensional material transmission electron microscopy.

The invention discloses a film mechanical strength characterization method based on a film passing pressure intensity test. The method comprises the steps of by taking a porous material as a carrier, bearing a film to be tested on the first surface of the carrier, placing the carrier bearing the film to be tested in a closed channel, introducing fluid into one side, close to a second surface, of the closed channel, and detecting the film passing pressure intensity when the fluid passes through the carrier and destroys the to-be-tested film. The invention further provides an in-situ film mechanical strength characterization method and device. Aiming at the problem that a film with low mechanical strength is difficult to detect in a conventional mode, the film with low mechanical strength can be detected in a confinement space pressure testing mode, the testing method is reliable and high in stability, and obtained numerical values have comparability.

The invention discloses an aircraft pilot steering force sensor signal conditioning circuit, system and method, and the circuit comprises three groups of signal processing circuits, and the input endsof the three groups of signal processing circuits are respectively connected with the output ends of a steering column force sensor, a steering wheel force sensor and a pedal force sensor. The outputends of the three groups of signal processing circuits are connected with the input end of the flight parameter and audio recording system; the signal processing circuit comprises an input filter circuit, a first-stage amplification circuit, a second-stage amplification circuit and a second-order filter circuit which are connected in sequence. The driving force of a driver can be collected and recorded in real time, and a basis is provided for flight control state and flight fault judgment. Output signal processing circuits of the steering column force sensor, the pedal force sensor and the steering wheel force sensor are independent of one another and do not interfere with one another.

The invention provides a horizontal shock excitation device for a steel rail. The horizontal shock excitation device comprises a counterforce system, a loading unit and a sensor, wherein the counterforce system comprises a potential energy switching frame and a limiting counterforce frame; a downward extending slide rail is arranged on the potential energy switching frame; the tail end of the slide rail horizontally extends out of the potential energy switching frame; the loading unit is arranged on the slide rail in a sliding form; the slide rail penetrates through the limiting counterforce frame and extends to the steel rail; a limiting counterforce surface is arranged on the limiting counterforce frame; the limiting counterforce surface is arranged right above the steel rail; the loading unit comprises a loading head for exciting the steel rail; a space for limiting the loading head is formed between the limiting counterforce surface and a sleeper of the steel rail; and the sensor is arranged on the loading unit and is used for recording and transmitting the loading data. The horizontal shock excitation device for the steel rail not only can be used for more accurately simulating a wheel rail relation but also can be conveniently operated. A test can be completed by only one person, so that the horizontal shock excitation test for the steel rail can be simply and effectively realized on site.

The invention discloses a cableless data unvarnished transmission device for a static penetrometer. The cableless data unvarnished transmission device is characterized by comprising a receiving module and a transmitting module. The transmitting module is mounted in a probing rod and penetrates into the ground along a static penetration probe. A battery of the transmitting module is respectively connected with a first power module and a high voltage power module. A first microprocessor, a high-speed mos pipeline driving circuit, an exciting pulse generating circuit and a transmitting transducer are in signal connection in sequence. The high-voltage power module is respectively connected with the first microprocessor and the exciting pulse generating circuit. The first power module is connected with the first microprocessor. The first microprocessor and the transmitting transducer are respectively connected with the static penetration probe and an ultrasonic receiving transducer. The transmitting module is used for modulating probe data into an ultrasonic signal and transmitting the ultrasonic signal along the probing rod. The receiving module is used for receiving the ultrasonic signal from the probing rod, demodulating original data of the probe and outputting the original data to the static penetrometer. The cableless data unvarnished transmission device replaces an original cable to conduct data transmission, so that the cableless static penetration test process is realized.

The utility model relates to a multifunctional sounding device and the corresponding test method of sounding. The multifunctional sounding device comprises a combined sounding head and a sounding rod, which is characterized in that a conic single bridge probe is arranged on the end of the combined sounding head. The upper end of the single bridge probe is connected with a multi-direction detector, a force sensor and a punching shear machine which is provided with a drive shaft bar and a driving motor. The utility model has the function of static force sounding, wave velocity test and direct in situ soil shear resistance strength test utilizing punching shear mechanism. In a single test hole in open field in situ test, the resting and dynamic response and corresponding parameters of rock and soil can be gained sufficiently utilizing the mechanics mechanism of transverse penetration and reverse lifting. So the in situ wave velocity test has the advantages of being small in distance between test points, successive in test data and practical in real-time observation and inspection, enabling in situ real time successive test of the shear resistance strength of rock and soil and multiple results from single test.

The invention provides an ultrahigh-temperature thermo-mechanical coupling strain gauge based on a reflection type X-ray in-situ experiment and a working method. The strain gauge comprises a base, a bidirectional screw rod which is mounted in the base and is parallel to a long edge and movable blocks which do relative motion through the bidirectional screw rod, wherein the movable blocks are connected with four connecting rods; the four connecting rods are connected two by two to form a quadrilateral structure; a pair of sliding blocks are relatively arranged at the other two nodes which are not connected with the movable blocks, and are arranged on sliding rails respectively; the sliding blocks are connected with a pair of sample clamps through piezoelectric sensors in a direction vertical to the bidirectional screw rod; the sample clamps penetrate through a shell inner wall and a shell outer wall and then penetrate through heat insulation walls to get close to a heating module; gas path connectors are mounted at the centers of long edges of the shell inner wall and the shell outer wall respectively; a cooling pipe is mounted between the shell inner wall and the shell outer wall;upper covers are mounted above the shell inner wall and the shell outer wall. According to the ultrahigh-temperature thermo-mechanical coupling strain gauge, the conversion of atmosphere environmentscan be realized and mechanical drift caused by thermal expansion is reduced; ultrahigh-temperature experiment conditions are realized and adverse effects caused by ultrahigh temperature on a moving mechanism are avoided.

The invention relates to a measuring method of solar cell protective coating optical transmittance, which is characterized in that a method for measuring luminous flux I used for obtaining the optical performance of the protective coating. Firstly a glass cover sheet is radiated and aged, so the transmittance of the glass cover sheet is basically free from changing; then through the calibration experiment of few ground particle radiation and utilizing the method of American Naval Research Laboratory, the damage characteristic curve of the solar cell is determined under different light spectrums; the response of tri-nodal solar cell caused by the sunlight which is transmitted through the protective cover and the glass cover sheet is analyzed, and the output power equivalent change caused by the degradation of the solar cell is calculated by utilizing the damage characteristic curve of the solar cell calibrated through the ground experiment so as to separate the coupling effect of the solar cell degradation and the coating degradation and to obtain the evaluation value of the optical transmittance variation of the coating in the radiation environment. The measuring method has important significance on the round simulation environment in-situ test of the optical material for the space.

The invention discloses a method for crystallizing germanium antimony tellurium materials through electronic beam irradiation induction. The method comprises the steps that a substrate capable of carrying out microstructure representation or electrical property testing or in-situ performance testing is selected for preparing a germanium antimony tellurium amorphous film; the substrate for preparing the germanium antimony tellurium amorphous film is subjected to electron microscope sample pretreatment; a clean and smooth area of the surface of the germanium antimony tellurium amorphous film isfound in an electron microscope sample; the irradiation range, irradiation voltage, irradiation intensity and irradiation time are set in an electron microscope; the crystallizing process of the irradiation area of the electron microscope sample is observed in the electron microscope in real time, germanium antimony tellurium crystals meeting the crystallizing range, the crystal structure and thegrain size are obtained, and the process of crystallizing the germanium antimony tellurium materials through electronic beam irradiation induction is completed. The method provides experimental evidences for the study of the phase-change material crystallization mechanism and corresponding structural performance.

The invention discloses a prototype of a sapphire ultra-high temperature pressure sensor. The prototype of the sapphire ultra-high temperature pressure sensor comprises a sapphire passive high-temperature-resistant voltage-sensitive element, a long-distance wireless transmission module and a characteristic signal wireless reading and storing module, wherein an anti-thermal impact plate is arrangedat one end of the outer side of the pressure sensor prototype, and a heat dissipation plate is installed at the other end of the pressure sensor prototype; the sapphire passive high-temperature-resistant voltage-sensitive element is installed on one side inside the pressure sensor prototype; the sapphire passive high-temperature-resistant voltage-sensitive element is composed of a high-temperature-resistant sensitive capacitor and a high-temperature wireless transmission inductance coil; a high-temperature-resistant thermal insulation material layer is arranged between the passive high-temperature-resistant pressure-sensitive element and the long-distance wireless transmission module; and a high-temperature-resistant test antenna is installed in the characteristic signal wireless readingand storing module. The passive high-temperature-resistant pressure-sensitive module of the sensor prototype can work at a super-high temperature environment of 1,200 DEG C or above, and the wirelessreading and storing module works in a high-temperature environment so as to realize in-situ testing of the characteristic signals in the ultra-high-temperature environment.

The invention discloses a system and method for testing the compressive strength of a mining microcapsule inhibitor. A pressure control part of the test system comprises a hydraulic pump station and a main loading hydraulic cylinder, and the main loading hydraulic cylinder is fixedly mounted on a test platform; the testing part comprises an auxiliary loading hydraulic cylinder and a pressure container, a piston II of the auxiliary loading hydraulic cylinder and a piston I of the main loading hydraulic cylinder are connected into an integrated structure through a piston rod, a carrier liquid injection port is formed in the large cavity end of the auxiliary loading hydraulic cylinder, and the pressure container is communicated and connected with the large cavity end of the auxiliary loading hydraulic cylinder. The pressure container is provided with a microcapsule stopping agent injection port and a mixed liquid discharge port. The detection part comprises a liquid chromatograph which is connected with the mixed liquid outlet through a sample injection pipeline. According to the method, the compressive strength of the microcapsule inhibitor can be accurately measured on the premise of accurately restoring the real compression condition of the microcapsule inhibitor in the high-pressure pipeline conveying process, and a theoretical basis and data support can be provided for determining proper pipeline injection pressure.

A Raman test system and test method for in-situ testing of LED stress, the test system is equipped with a laser, an optical system, a long-wave pass or band-pass filter, a Raman filter, a microscope, a CCD; a long-wave pass or a band-pass filter It is set at the front end of the microscope optical path, the rear end of the microscope optical path, the front end of the Raman filter, the rear end of the Raman filter or the front end of the CCD, etc. in the Raman optical path, and is combined with a laser whose wavelength is far away from the LED emission spectrum. Test method: first use the microscope to adjust the position of the sample to make the sample focus; turn off the light source of the microscope, turn on the laser, the laser is used to emit the laser light required for Raman testing, the optical path system transmits the input and output signals of the laser, and reflects the light After signal processing and filtering by Raman filter, the final signal is detected by CCD. Improve the signal-to-noise ratio of the Raman signal and realize the in-situ test of LED stress under different current injection conditions.

The invention discloses a method for characterizing the mechanical strength of a thin film based on a pressure test through a membrane. The porous material is used as a carrier, the thin film to be tested is carried on the first surface of the carrier, and the carrier carrying the thin film to be tested is placed in a closed channel. , the fluid is passed into the side of the closed channel close to the second surface, and the transmembrane pressure when the fluid passes through the carrier and destroys the membrane to be tested is detected. The invention also provides an in-situ film mechanical strength characterization method and device. The invention aims at the problem that it is difficult to detect films with low mechanical strength by conventional methods, and can realize the detection of films with low mechanical strength by means of confined space pressure test, the test method is reliable, the stability is strong, and the obtained values ​​are comparable .