118results about How to "Realize in situ detection" patented technology

The invention discloses a transparent flexible surface enhanced Raman active substrate and a preparation method thereof. The preparation method of the substrate comprises the following steps: taking a transparent flexible material such as polybutylene terephthalate (PET) plastics as a substrate, performing O2 plasma etching to form a nano wire array, loading gold, silver and other precious metal nanoparticles on the nano wire surface by virtue of a coating technology, and forming a three-dimensional nanometer structure array. The transparent flexible surface enhanced Raman active substrate provided by the invention is uniform in morphology and controllable in structure and has high-density electromagnetic hot spots in three-dimensional distribution. Therefore, the substrate has high sensitivity and reproducibility. The PET plastic film is high in flexibility and high in transparency, and incident laser and Raman scattered light easily penetrate through the substrate at low loss, so that the substrate can be used for in-situ detection of to-be-detected objects. The preparation method provided by the invention is simple in process, large-area preparation is easily realized, even roll-to-roll production process is permitted, and the cost is low.

The invention relates to a detection device and especially relates to an in-situ detection device for occurrence of hydrates in deposits. The CT in-situ detection device for microcosmic occurrence of hydrates in deposits comprises a pressure control system, a semiconductor temperature control system, an autoclave and an X-CT scanning system. The pressure control system is communicated with the autoclave. The semiconductor temperature control system is arranged at the bottom of the autoclave. The X-CT scanning system is arranged at two sides of the autoclave. The device achieves real-time detection of distribution of deposit particles, water, hydrates and free gas during hydrate formation / decomposition process.

A copper ion fluorescent probe and a preparation method and the use thereof relate to a fluorescence molecule probe, in particular to a copper ion fluorescence molecule probe and the preparation method and the application of the probe in the identification and detection of heavy metal. A copper ion fluorescence molecule probe with better effect which can test the heavy metallic copper ions in aqueous solution and the preparation method and the application are provided. Polyethyleneimine is allocated to be polyethyleneimine solution; the polyethyleneimine solution is taken out, filtered and poured into the lining of polytetrafluoroethylene which is sealed by a stainless steel cover; a solvent is distilled after reactions and the yellow viscous liquid-like copper ion fluorescent probe is gained. The copper ion fluorescent probe can be applied to the detection of the heavy metallic copper ions, in particular to the detection of the copper ions in biological tissues and environmental wastewater.

The invention discloses a fluorescence molecule probe which belongs to the technical field of chemical analysis and detection, and particularly relates to a zinc and copper molecule probe, a method for preparing the probe and the application of the probe in heavy metal ion identification and detection. As a 1-(7-acetamide-1, 8-naphthyridine)-2-(6-acetamide-pyridine)-vinyl compound, the zinc and copper ion fluorescence probe can be applied in ion detection and heavy metal ion detection for biological tissues, and has the advantages of rapidity, accuracy, convenience, good specificity and better prospect of application.

The invention belongs to the technical field of fault diagnosis of electrical equipment and relates to an in-situ detection method of fault characteristic gas dissolved in transformer oil. According to the method, single frequency single-mode-based transverse mode (TEM00) laser having wavelength of 532 nm irradiates a standard oil sample, the laser passes through a first high-pass filter and a space filter unit and then passes through a second high-pass filter and a lens, a Raman spectrum acquisition device acquires a standard oil sample Raman spectrogram, and after modeling, ethylene, acetylene and carbon dioxide concentrations in the oil sample to be detected are determined without oil and gas separation. The method has high accuracy and simple processes, can directly detect concentration of multiple fault characteristic gas dissolved in transformer oil and improves the accuracy of fault prediction.

The invention discloses a method for detecting mycobacterium tuberculosis by in-situ fluorescent loop-mediated isothermal nucleic acid amplification technology and a kit. Four specific primers are designed in a mycobacterium tuberculosis gyrB gene conservation area; and the mycobacterium tuberculosis can be specifically detected by using the four primers and combining the in-situ fluorescent loop-mediated isothermal nucleic acid amplification technology at the same time. The method realizes in-situ detection of a sample, does not need to increase bacteria, has high specificity and can finish amplification in less than 2 hours; the lowest detection limit reaches 10CFU / ml; and the detection rate of the sample reaches 99 percent. The method and the kit for identifying the mycobacterium tuberculosis are simple and convenient.

The invention discloses a method for preparing a bioluminescent nano thermometer. The prepared bioluminescent nano thermometer is characterized in that: on the one hand, the fluorescence intensity is controlled through temperature by using a fluorescence quenching effect; at a low temperature, because the thermo-sensitive polymer is in a stretching state, the distance between fluorescent active molecules and metal silver nano spheres is prolonged, the fluorescence quenching effect is weak, and fluorescent signals are strong; when the temperature is raised, the thermo-sensitive polymer is shrunk, so that the distance between the fluorescent active molecules and the metal silver nano spheres is shortened, the fluorescence quenching effect is enhanced, and the fluorescent signals are weakened; and on the other hand, the maximum fluorescence intensity of the bioluminescent nano thermometer is linearly changed together with the environmental temperature, the fluorescence intensity is sensitive together with temperature change, and the maximum fluorescence intensity and the fluorescence intensity can be quantitatively and correspondingly valued, so that the prepared bioluminescent nano thermometer can be used as a nano thermometer.

The invention provides an in-situ detection device for an SF6 decomposition component inside a GIS (Gas Insulated Switchgear) based on a fiber ring resonator. The device comprises a laser unit, an incident light optical fiber coupling unit, the fiber ring resonator, an emergent light optical fiber coupling unit, a detection laser, a Rayleigh scattered light filtering unit, a spatial filtering unitand a spectral acquisition unit. According to the in-situ detection device for the SF6 decomposition component inside the GIS based on the fiber ring resonator provided by the invention, the in-situdetection of gas to be tested inside the GIS is realized based on a surface-drilled hollow-core photonic bandgap fiber, the Raman scattering effective collection efficiency is improved, and the Ramanscattering signal intensity is greatly enhanced; based on the fiber ring resonant cavity, the internal laser power of the hollow-core photonic bandgap fiber is improved, and the Raman scattering signal intensity is further improved; and in addition, the in-situ detection of the SF6 decomposition component inside the GIS can be realized, and the device can be well applied to the field of SF6 decomposition component measurement inside the GIS.

The invention relates to an in-situ detection device for the chlorophyll concentration of water and a detection method of the in-situ detection device. The in-situ detection device and the detection method aim at solving the problems that in an existing device, the excitation light path can be not adjusted, the fluorescence intensity is low, and the fluorescence detection accuracy and sensitivity are low due to scattering generated when water contains lots of impurities. A water sample chamber water inlet device is arranged at the bottom of a quartz water sample chamber, a stainless steel shell is arranged outside the quartz water sample chamber, a detector, a light filter and a focusing lens are arranged over the quartz water sample chamber, a light source, a light source transverse adjustment support, a light source transverse adjustment mechanism and a light source direction adjustment mechanism are arranged on the side face of the quartz water sample chamber, and the detector, the light source, the light source transverse adjustment mechanism and a light source incidence angle adjustment mechanism are connected with a host through wires. The method includes the steps that water background fluorescence signals measured under the off-state of the excitation light source are collected, then water fluorescence signals under the on-state of the excitation light source are collected, and background fluorescence interference is automatically subtracted through operation.

The invention discloses a precipitated alkaline phosphatase fluorescence probe, and a synthetic method and applications thereof. The synthetic method of the fluorescence probe comprises the following steps: 1, synthesizing a novel solid fluorescence dye (HTPQ); and 2, designing the dye to form the alkaline phosphatase probe (HTPQA). The applications comprise the response performance of the fluorescence probe to alkaline phosphatase in a buffer solution and the ability of fluorescence probe in in-situ detection of cell endogenous alkaline phosphatase and fluorescence signal stabilization indiffusion. The precipitated solid fluorescence dye is synthesized for the first time, so problems of no in-situ detection and easy signal diffusion of traditional fluorescence probes are solved; the fluorescence probe has solid fluorescence properties, can effectively reduce background fluorescence signals, and has improved sensitivity; and the fluorescence probe has the advantages of very good living cell dyeing effect, short dyeing time, high dyeing efficiency, and realization of in-situ detection of the cell endogenous alkaline phosphatase.

The invention discloses an atom magnetometer and an in-situ detection method for alkali metal atom air chamber pressure intensity thereof. The atom magnetometer comprises a light source, a polarizer,a quarter-wave plate, the alkali metal atom air chamber, a non-magnetic electric heating film, an optical micro-cavity, a micro-nano optical fiber, a beam splitter prism, a spectrograph and a signal processing circuit. And the optical micro-cavity is in contact with the micro-nano optical fiber and is integrated in the alkali metal atom air chamber. And the pressure in the alkali metal atom air chamber is calculated by measuring the resonant wavelength and the wavelength variation of the optical micro-cavity. According to the method, the signal of the atom magnetometer and the pressure signalof the alkali metal atom air chamber can be simultaneously extracted from the output signal of the alkali metal atom air chamber. The pressure intensity of the alkali metal atom air chamber can be detected while the atom magnetometer works normally, and the measurement precision is high. And meanwhile, no magnetic field noise is introduced into the optical micro-cavity. The method can also be usedin other quantum precision measurement systems using alkali metal atom gas chambers.

The invention provides a fluorescent probe based on quinoxalinone aryl sulfides as well as a preparation method and application thereof. A chemical structure of a fluorescent probe molecule is shown in formula (I) (shown in the specification), wherein R is selected from allyl and derivatives thereof, benzyl and derivatives thereof, fatty acid ester groups with the carbon atom number of 1-8 or fatty acid with the carbon atom number of 1-8; R1 is selected from alkoxy with the carbon atom number of 1-8, halogen or alkyl with the carbon atom number of 1-8; and R2 is aryl sulfides. The fluorescentprobe molecule is obtained by cyclizing o-phenylenediamine and derivatives thereof, carrying out nucleophilic substitution and carrying out aldol condensation reaction. The quinoxalinone derivative compound turns red fluorescence into green fluorescene after thioether is oxidized into sulfoxide in the presence of up-regulated heme oxidase and active oxygen in ferroptosis cells. The fluorescent probe provided by the invention can be directly added into a culture medium, then acts on cells and carries out detection, and also can be directly injected intravenously or intratumorally and play a role of animal in vivo detection.

The invention belongs to the technical field of optical precision test and precision machining, and relates to a machining and detecting device and method for a large-aperture aspheric surface, which can be used for detecting and machining the surface shape of a large-sized high-precision aspheric element in a precise optical system. According to the invention, based on technologies such as a straight-line / rotating benchmark technology, the high-precision machining and detection of a large-sized aspheric element, which are based on a precise air-floatation rotation center and integrate machining and detecting functions, are realized by combining the functions of machining equipment and detecting equipment. According to the invention, a workpiece is polished repeatedly by a polishing joint arm according to set technological machining parameters, then contour parameters of a polished working surface are directly detected by a sensing measurement system on a measuring arm, and a computer measurement control system determines the machining path and polishing quantity of the polishing joint arm according to detected contour data, so that the machining efficiency and precision of the large-aperture aspheric element are improved.

The invention provides an in-situ detection method and device for electrode current density distribution of a flow battery. A total internal reflection optical system is adopted for imaging the electrode surface of the flow battery; and according to light intensity changes of different positions in the image, the electrode current density distribution condition is obtained. The optical total reflection system is seamlessly matched with the flow battery; the in-situ detection of electrode surface imaging and current density in a running process of the battery is realized; the two-dimensional distribution and evolution processes of the electrode current density under different conditions are obtained; and an in-situ detection tool is provided for improving the battery performance.

The invention discloses a protein glycosylation detection kit and a detection method, and an application. Specific protein targeting, an HCR-based non-enzymatic amplification strategy, and the proteinglycosylation detection kit and detection method for detecting and imaging specific protein glycosylation on a cell membrane surface in living cells and living bodies by using the HCR-based non-enzymatic amplification strategy, and detection applications in various application occasions such as an in vitro application occasion and an in vivo application occasion are achieved by using technical means such as modification of azido glycosyl on the surface of a protein by a glycosyl-labelled nucleic acid sequence, introduction of a protein probe nucleic acid sequence, and introduction of a hybridization chain reaction reagent.

The invention discloses a technique for directly reducing pellet ore by means of methanol. The technique for directly reducing the pellet ore by means of the methanol comprises the steps that the impedance change in the reduction process is tested by means of an in-situ impedance detecting system, and heating evaporation is conducted on methanol liquid; then methanol gas is mixed with hydrogen and nitrogen, and the gas mixture is introduced into an atmosphere reaction furnace at the temperature of 750-900 DEG C; the methanol is decomposed into reductive active gas at the high temperature, and the reduction reaction of the pellet ore is conducted through the reductive active gas, the hydrogen and the nitrogen jointly; and then wires connected to the two ends of a pellet are connected with an electrochemical detection device, and the impedance change of the pellet is monitored in real time after the gas mixture is introduced. According to the technique, the in-situ impedance detecting system is utilized and can be well coupled with an electrochemical testing system, and thus safety and reliability are achieved; the hydrogen produced by a hydrogen generator is used as a hydrogen source, so that environmental friendliness is achieved, and efficient utilization of energy resources can be achieved. In addition, the methanol is used for replacing part of the hydrogen, so that the cost is reduced, operation is easy, the technique is simple, the gas utilization rate is high, and the practical value in industrial production is quite high.

Disclosed is a radiosonde system with gliding function, which comprises: a device which can generate lift force with the help of gravity and / or wind power, a motion control device, an obtaining device and / or a weather data device, and a device which can transmit radiosonde data through a radio-frequency way. The radiosonde system with gliding function can generate the lift force with the help of the gravity and / or wind power after the lifting balloon is invalidated, and the motion control device can control the return lift position and other recovery positions. The radiosonde system with gliding function has functions that the system can explore over 40km height in the sky and can release at any position with safe recovery and initial position exploration and the like, and has the advantages that the exploration rang is wide, the reliability is high, and the cost is low and the like, thereby greatly enhancing applicability of the radiosonde.

The invention discloses a ratiometric viscous flare fluorescent probe as well as a preparation method and application thereof. The probe uses gold nanoparticles as a carrier, and the surface of the carrier is connected with DNA (Deoxyribonucleic Acid) double chains with different fluorescent groups for identifying telomerase: FL-R flare long chain and SH-C-FL strand short chain with a partial complementary sequence of the long chain. The FL-R flare long chain comprises fluorescent dye, an auxiliary sequence, a complementary sequence of a telomere amplification sequence and a telomere primer sequence in sequence from a 5'end. No matter the telomere exists or not, the FL-R flare long chain is luminescent, and can be used as an internal fluorescence signal reference. The SH-C-FL strand shortchain is modified with sulfydryl at one end and modified with another fluorescent dye at the other end. In the presence of the telomere, the short chain is prolonged to form a hairpin structure and falls off from nanogold, and fluorescence is opened for in-situ detection of telomere activity in cells. In combination with a long-chain fluorescence signal, quantitative analysis of telomere activityin cancer cells and effective differentiation of tumor cells from normal cells can be realized. The probe can be directly applied to laser confocal imaging without cleaning during cell experiments.

An original-position detecting device used for obtaining physical property parameter of deposit on surface of sea-bottom is prepared as fixing a water content probe on metal cylinder vertically or axially and connecting said probe to data collection and treatment unit by armoured cable as well as making probe head be extended out from said cylinder, considering to measure natural density of surface soil body simultaneously than also fixing a density probe being connected to data collection and treatment unit through armoured cable on said metal cylinder.

The invention relates to a method of ultrafast detection of antibiotic substances by combined voltage driven solid phase microextraction-raman spectroscopy. The method comprises the following steps: taking a nano golden particle wrapped porous silver wire as a working electrode, a saturated calomel electrode as a reference electrode and a platinum electrode as a counter electrode to form an electrode system, putting the electrode system in a water sample to be detected, applying -0.05 to -0.2V voltage to the electrodes, quickly enriching the antibiotic substances in the water sample onto the working electrode due to voltage driving to achieve in-situ solid phase microextraction, and performing exciting irradiation on the surface of the working electrode through a raman spectrometer for raman spectroscopy. The method increases a diffusion rate of the substances to be detected in the water sample; the nano golden particle wrapped porous silver wire is specific to the antibiotic substances, so that the antibiotic substances are enriched onto the working electrode directionally selectively; the enrichment detection speed is greatly increased; and actual applications in quick field detection and water sample pollutant surveillance are achieved.

Provided in the invention is an on-line monitoring device for fault gas in transformer oil based on fiber enhancement. The device comprises a laser, a laser beam expander, a dichroic mirror, a spatialfilter, a coupler, a nanometer-hole-modified kagome bandgap photonic crystal fiber, and a spectrometer. Laser is emitted by the laser; the laser is expanded by the laser beam expander and the expanded laser passes through the dichroic mirror; the coupler couples the laser to the nanometer-hole-modified kagome bandgap photonic crystal fiber that is arranged in transformer oil; Raman scattered light and a laser signal that are transmitted by the kagome bandgap photonic crystal fiber are returned to the dichroic mirror; the returned light and signal pass through the spatial filter; and then theprocessed light and signal are collected by a CCD of the spectrometer. According to the on-line monitoring device, no artificial oil and gas separation is needed; the accuracy is high; and the operation is simple. The fault gas in the transformer oil can be detected directly at the original position.

A visualized miRNA detecting method by utilizing an exonuclease reaction to generate primers and dendritic rolling circle amplification is disclosed. The method includes three steps. The first step is a step of primer generation, wherein after a hairpin-structured probe I is opened by a target miRNA, a single-chain part is degraded by an exonuclease I, and then RNA in a DNA:RNA hybrid chain is degraded by ribonuclease H to leave a short-chain DNA segment. The second step is a step of dendritic rolling circle amplification, wherein the single-chain DNA generated in the former step is connected to a long single-chain DNA probe to form a ring adopted as a template, first-stage rolling circle amplification is performed by adopting the single-chain DNA as a primer, and a hairpin-structured stem-loop structure II introduced into a rolling circle amplification system is opened by a product of the first-stage rolling circle amplification, thus performing multi-stage dendritic rolling circle amplification. The third step is a step of performing detection based on a G-quadruplex in a product of the rolling circle amplification. The method is a sensitive, economical, convenient and in-situ visualized miRNA detecting method.

The invention provides a novel tumour serum marker and application thereof, particularly relates to application of autoantibodies of POTE protein being taken as tumour serum markers, further relates to application of a reagent for detecting the autoantibodies of the POTE protein in preparation of a composition for detection, auxiliary diagnosis and / or prognosis judgement of cancers, and meanwhile relates to the reagent for detecting the autoantibodies of the POTE protein, a method for detecting the autoantibodies of the POTE protein, and a method for enriching and purifying the autoantibodies of the POTE protein. Besides, the invention further relates to the POTE autoantibodies obtained after the enrichment and the purification according to the method, and application of the POTE autoantibodies.

The invention provides a preparation method of a high-power ultraviolet intensity detection material, relates to a preparation method of an ultraviolet intensity detection material, and is used for solving the problems that equipment adopted in a conventional ultraviolet intensity detection method is complicated, and the conventional detection method is complicated and high in cost. The preparation method provided by the invention comprises the following steps: dissolving a reactant containing a silver element in methyl alcohol, then adding an organic ligand, and stirring for 20-50 minutes to obtain a mixture A; then adding polyoxometallate containing rare earth elements and deionized water to the mixture A, and stirring for 30-45 minutes to obtain a mixture B; transferring the mixture B to a hydrothermal kettle, reacting for 72 hours at the temperature of 120 DEG C, cooling to room temperature, filtering, and putting obtained filtrate at the room temperature for 20 days to 25 days to obtain the ultraviolet intensity detection material, namely completing the preparation of the high-power ultraviolet intensity detection material. The high-power ultraviolet intensity detection material is applied to the field of ultraviolet intensity detection.

The invention provides an integrated and portable instrument for rapidly analyzing heavy metals as well as an analysis and detection method thereof. The instrument comprises the following components:a liquid sample introduction device (1), a pneumatic micro atomization system (2, 3, 4, 5, 6, 8, 9, 10), a corona discharge system (7, 11, 12, 13) and a spectrum system (14, 15, 16), wherein the pneumatic micro atomization system comprises a sheath gas carrying bottle (2), a secondary gas carrying bottle (3), a tee a (4), a tee b (5), a tee c (6), a fluid channel (8), a sheath gas channel (9), anda secondary gas channel (10); liquid to be measured in the liquid sample introduction device (1) enters the fluid channel (8) through a middle port of the tee a (4); the sheath gas carrying bottle (2) introduces the carrying gas into the sheath gas channel (9) through a middle port of the tee b (5); the secondary gas carrying bottle (3) introduces the secondary gas to the secondary gas channel (10) through a middle port of the tee c (6); the fluid channel (8), the sheath gas channel (9) and the secondary gas channel (10) are arrangement in a coaxial arrangement. One carrying gas channel is added to the analyzer, so that rapid and effective quantitative analysis of heavy metal samples can be guaranteed, and at the same time loss of sample ion beam is reduced, and accuracy and precision ofapparatus detection are improved.

The invention discloses a device and a method for detecting the disc repairing period of a polishing die. The device comprises an optical detecting component, a processor and a levelness measuring component. The optical detecting component uses structured light to detect the surface topography of the polishing die; and the processor calculates and processes to obtain the depth and width information of a groove in the surface of the polishing die through the received probe light comprising the surface topography information of the polishing die, so that the repairing period of the polishing dieis determined, and the maintaining time node of the polishing die is monitored. The device is simple in structure, precise in measurement and rapid in response, realizes in-situ detection of the discrepairing period of the polishing die, ensures the grinding activeness of the surface of the polishing die and improves the processing efficiency and the processing quality.

The invention provides and in-situ detection system for residual stress, and a detection method thereof. The residual detection system for the residual stress comprises an X-ray residual stress analyzer (1) and a workpiece force-applying test stand (2). The X-ray residual stress analyzer (1) is provided with an X-ray emission gun (11); and the X-ray residual stress analyzer (1) carries out the detection for the residual stress at a detection point (P) on a to-be-detected workpiece (10) through the X-ray emission gun (11). The workpiece force-applying test stand (2) comprises a stand frame (21), a workpiece holder (22), a force-applying pressure head (23) and a drive mechanism not shown in the figure, wherein the workpiece holder (22) is fixed on the stand frame (21); the workpiece holder (22) supports the to-be-detected workpiece (10); the drive mechanism is connected with the force-applying pressure head (23) and provides power needed by the force-applying pressure head (23); and the force-applying pressure head (23) applies a force to the to-be-detected workpiece (10). The magnitude of the force applied to the to-be-detected workpiece by the force-applying pressure head (23) can be changed.

The invention discloses a method for detecting the water quality of an oilfield water injection wellbore in situ. A laser light source is arranged on the ground, light is coupled into a large-caliber heat-resistant optical fiber through an optical fiber collimator and is connected with a transmitting optical fiber micro lens on an integrated probe, which is arranged on an oil pipe and is provided with a transmitting optical fiber micro lens and a receiving optical fiber micro lens opposite to each other; the emitted light is focused to high-temperature high-pressure liquid and particles through the transmitting optical fiber micro lens; scattered light is received by the receiving optical fiber micro lens arranged in multiple angles and is transmitted to a ground processor through an optical fiber; the processor measures the signal intensity of the scattered light through multiple detectors respectively, and finally, multi-parameter water quality detection is finished through a signal acquisition and processing system. Detected data is input into water quality corrosion and scaling tendency prediction software, a variation tendency of the water quality and corrosion scaling is predicted according to change of parameters such as temperature and pressure in a process of injecting reinjection water, main reasons of the water quality change are determined, and corresponding water quality stability control measures are provided.

The invention discloses an in-situ inspection method and device for leakage of a condenser heat exchange tube. The device comprises a condenser, a guide rail, an inspection vehicle, a control line, apower and control system, a condenser tube and a condenser hot well; the guide rail is installed above the hot well at the bottom of the condenser; the two ends of the inspection vehicle are erected on the guide rail; the output end of the control line is connected with the inspection vehicle; and the input end of the control line is connected with the power and control system. Condensed water falls into a specially-made condensed water collection device; effluent of the condensed water collection device automatically flows into a conductivity monitoring device; and the conductivity monitoringdevice is provided with a wireless communication module, so that remote transmission of a test result can be implemented. The device radically solves the problem that the condenser leak detection diagnosis result is wrong due to the small number of sampling points, remote detection and the like.

The invention provides a device and a method for measuring a strain tensor of a two-dimensional material based on optical third harmonic generation. The device comprises a pulsed laser light source, areflecting mirror, a first polarizer, a beam splitter mirror, a 1 / 2 wave plate, a lens, a measured two-dimensional sample, a light filter, a second polarizer and a spectrograph. The device realizes the measurement of the strain tensor of the two-dimensional material, and has the characteristics of high measurement speed, simplicity and effectiveness, and no damage to the measured sample. The strain tensor measurement which is not limited by a two-dimensional material system (an energy band structure, crystal symmetry and the like) is realized for the first time; and a great help is provided for accurately regulating and controlling the performance of the two-dimensional material in the strain engineering to meet the requirements of application of the two-dimensional material to the fieldsof optics, electrics, optoelectronic devices and the like.