1201results about "Material analysis using radiation diffraction" patented technology

The invention relates to the technical field of soil pollution component analysis, and discloses an agricultural soil pollution prediction method. The method comprises the following steps: carrying out soil physicochemical property detection through layered gridding sampling, determining the heavy metal content, the organic matter content and the enzyme activity, and obtaining a pollution characteristic data set; monitoring diffusion characteristics of pollutants by adopting an electrochemical sensing detection array, and generating a migration rule model; a multi-parameter monitoring system is used for detecting the pH value, the oxidation-reduction potential and the ion activity, and a dynamic change sequence is formed; establishing a colloid interface action response matrix, and constructing a pollutant accumulation model; determining the occurrence form and the ion concentration of the pollutants, and generating an interaction map; and finally, constructing an early warning system, and outputting a prevention and control scheme. According to the invention, through cooperative application of multiple analysis and test means, and in combination with interface action mechanism research of pollutants in soil, whole-process intelligent monitoring of soil pollution prediction is realized.

The invention discloses a nut defect detection method based on X-ray imaging, and particularly relates to the field of X-ray nut material internal defect imaging, which comprises the following steps: generating and adjusting an initial light beam of X-rays through a synchronous radiation source, and constructing uniform irradiation field data for nut material detection; acquiring angle scattering light intensity matrix data based on the uniform irradiation field data; and performing phase inversion and sparse constraint optimization on the angle scattering light intensity matrix data to generate electron cloud density optimization distribution data, and constructing density connectivity relation graph data based on the electron cloud density optimization distribution data. By introducing a detection principle of combining high-coherence X-ray scattering imaging based on a synchronous radiation source and electron cloud density disturbance analysis, lossless identification of an early microcosmic physical deterioration region in a nut is realized; the problem that an existing method based on absorption imaging is insufficient in defect detection capacity under the background of weak density gradient and homogeneous component is solved.

The invention provides a multi-dimensional adsorbent performance evaluation method, and belongs to the technical field of performance evaluation, and the method comprises the following steps: carrying out a first test on an adsorbent, recording the mass change of the adsorbent after each cycle, and evaluating the adsorption performance of the adsorbent to obtain a first test result; and carrying out a second test on the adsorbent to determine the anti-sintering capability and the cycling stability of the adsorbent so as to obtain a second test result. Microscopic form change, influence condition and crystal structure of the adsorbent before and after the test are observed, and microscopic characterization of the adsorbent is obtained. And performing multi-scale simulation on the adsorbent according to the microscopic representation, and performing life cycle evaluation on the adsorbent by using a simulation result to obtain a life cycle evaluation result. And an optimization direction is provided for comprehensive performance evaluation of the adsorbent. The invention aims to realize an efficient and low-cost carbon capture technology and promote effective utilization of solid waste resources, and provides a systematic evaluation method to promote the development of the carbon capture technology.

A method and apparatus for differentiating between authentic and counterfeit item, and legacy additive manufactured (A.M) components securely throughout the lifecycle using grating interferometry, blockchain, and smart contracts. The method includes fabrication of a trust anchor by laser power modulation to selectively create porosity which can encode digital information within the component using programmable invisible ink (PGII). X-ray interferometry reads out the digital information as well as texture unique to the component. A quick response (QR) code is implemented with other anti-counterfeiting features to increase efficiency. A smart contract between X-ray interferometry radiography instruments and a blockchain database establishes item provenance. The characteristics of PGII are compatible with additive manufacturing, as well as other manufacturing processes such as injection molding and casting. The method and apparatus have minimal impact on the component fabrication, detects counterfeiting and sabotage, and is conformal to existing item identification standards.

The invention relates to the technical field of semiconductors, and discloses a semiconductor sample defect detection system which comprises an imaging module, a data acquisition module, a data processing module, an automation and integration module and a user interface module. According to the defect detection system and method for the semiconductor sample, by integrating the imaging modules of the optical microscope, the electron microscope, the X-ray diffractometer and the super-resolution microscope, details of the semiconductor sample can be comprehensively captured from macroscopic to microscopic and from the surface to a crystal structure, so that precise recognition of tiny or deep defects is ensured; the application of the deep learning model further improves the accuracy of image processing, through feature extraction and intelligent identification, even defects difficult to perceive by naked eyes have no place to hide, and the high-precision detection capability greatly reduces the risk that quality problems are only found in subsequent production links, reduces the possibility of reworking and scrapping, and improves the production efficiency. Therefore, the product quality and the production yield are improved.

The invention relates to the technical field of material detection, and discloses a material multi-modal X-ray foreign matter detection method, which comprises the following steps of: acquiring a transmission gray-scale time sequence array and a scattered photon energy spectrum distribution matrix output by a multi-modal X-ray acquisition system, generating a composite characteristic body through cross-modal characteristic interactive coding, constructing a material-contour associated nodal topology network, and obtaining a material-contour associated nodal topology network; simulating a foreign matter feature conduction path and outputting a correlation confidence value set, performing space-time dimension mapping transformation to generate a foreign matter-detection coupling prediction curved surface, calculating a sensitivity adjustment factor and generating a standardized coupling coefficient thermodynamic cloud chart, extracting a detection quantitative index set and dynamically matching the detection quantitative index set with a preset reference range; and when the indexes exceed the boundaries, generating a regulation and control scheme. According to the method, the accuracy, reliability and real-time performance of foreign matter detection are improved, and the detection requirements of complex scenes can be met.

The invention discloses an in-situ identification analysis method for superfine non-metallic inclusions in steel, and mainly solves the technical problems that the superfine non-metallic inclusions in the existing steel are difficult to identify and extract and the microstructure and phase composition of the inclusions are difficult to characterize. According to the technical scheme, the method for detecting and analyzing the small-size non-metallic inclusions in the steel by using the scanning electron microscope comprises the following steps: (1) preparing a metallographic sample; 2) preparing a transmission electron microscope sample, and determining an area where the inclusion of the metallographic sample is located by using a scanning electron microscope; carrying out accurate positioning and in-situ micro-nano thinning and cutting on the area where the inclusion of the metallographic sample is located by using a focused ion beam double-beam electron microscope system, and extracting the superfine non-metallic inclusion; and 3) analyzing the ultrafine non-metallic inclusions in the transmission electron microscope sample, and detecting the grain orientation of the ultrafine inclusions by using a transmission-type electron back scattering diffractometer. The method provided by the invention can accurately identify and extract the superfine non-metallic inclusions and the phase composition, components and grain orientation thereof in situ.

The invention relates to the technical field of analysis and detection, in particular to a micro-area distribution detection method for micro and / or trace component elements in nickel-based single crystal superalloy. According to the method, the conventional common element distribution detection means (EPMA, EDS, TOF-SIMS, TEM and EELS) are combined, the detection limit and the detection advantages are referred, different devices are reasonably utilized by analyzing different phase structure characteristics, quantitative or semi-quantitative element micro-area distribution analysis is quickly and effectively realized, the use requirements on high-precision devices are reduced, and the method is suitable for large-scale popularization and application. And the cost and the test difficulty are greatly reduced.

The invention provides a space measurement and analysis method and system for a neutron diffraction rocking curve of a single crystal material, and the method comprises the steps: S1, building a laboratory coordinate system and a sample coordinate system, and setting a test point grid; s2, collecting a two-dimensional diffraction image of each test point to obtain angle information of the test point; s3, integrating the angle information of the test points based on the test point grid, and preprocessing the two-dimensional diffraction image; s4, extracting key structure parameters of each test point based on the preprocessed two-dimensional diffraction image; s5, constructing a stress field according to the key structure parameters; and S6, constructing a distribution map of crystal internal lattice parameters in a three-dimensional space according to the stress field. The method provided by the invention effectively improves the capability of identifying the non-uniformity and local distortion of the crystal structure, can be widely applied to the fields of residual stress evaluation, defect evolution monitoring, material quality control and the like, and has a remarkable engineering application value.

A method of determining optical property of a structure, comprising: obtaining first scattering data, the first scattering data relating to an illumination of the multi-layer structure with illumination radiation in a first polarization state and subsequently capturing radiation scattered from the multi-layer structure; reconstructing one or more first synthetic images of the multi-layer structure using the first scattering data, each of the one or more first synthetic images comprising amplitude and phase information of the radiation scattered from the multi-layer structure; and determining the optical property of the multi-layer structure using the one or more first synthetic images, wherein the optical property comprise complex refractive indices of one or more of the at least two layers of the multi-layer structure, and / or relative heights formed between the at least two layers of the multi-layer structure.

A micron-sized speckle preparation method for quasi-in-situ OIM-DIC mesoscopic strain field analysis comprises the following steps: (1) polishing the surface of a sample to be detected to obtain a bright and scratch-free mirror surface; (2) preparing Si powder turbid liquid; (3) dipping speckles of a sample to be detected in the Si powder turbid liquid to obtain micron-sized speckles; and (4) observing and shooting speckle morphology, and if Si particles are uniformly distributed and dispersed, applying the Si particles to quasi-in-situ OIM-DIC mesoscopic strain field analysis. The method is simple, convenient and rapid, low in operation and construction cost, high in practicability, good in particle dispersity, high in precision, more suitable for calculation of a quasi-in-situ OIM-DIC mesoscopic strain field, controllable in preparation process, low in cost and free of damage to the surface of a sample, the definition and stability of speckle characteristics are remarkably improved, DIC mesoscopic micron-scale operation under a quasi-in-situ OIM mechanical test can be effectively achieved, and the method is suitable for large-scale industrial production. And the grain and mesoscopic strain field information is successfully coupled.

The invention discloses a deep shale dessert evaluation method based on a high-temperature and high-pressure rheological experiment, and relates to the technical field of petroleum and natural gas exploration and development. The invention provides a new thought about deep dessert evaluation: under the condition of simulating high temperature and high pressure of a deep stratum, macro and micro scales before and after shale rheology are compared and analyzed, and pore size distribution, adsorption and desorption characteristics and microstructure characteristics before and after a shale high-temperature and high-pressure rheology experiment are analyzed. The evolution characteristics of the pore structure in the deformation process are analyzed approximately dynamically, so that a deep shale dessert evaluation model is established preliminarily. According to the method, desserts of deep shale characteristics are developed, the source and storage of rich gas of shale gas and flow of a fracturing transformation and permeation enhancement mechanism under high temperature and high pressure are evaluated, and in other words, reservoir comprehensive evaluation before development is paid attention to in shale gas dessert evaluation or whether complex cracks are formed or not after shale fracturing is paid attention to more attention to shale gas dessert evaluation.

The invention discloses a compact glutenite reservoir evaluation method based on a lithofacies-pore throat structure and application. The method comprises the following steps: step 1, establishing a lithofacies division scheme in a compact glutenite reservoir; 2, determining the reservoir performance of different lithofacies in the compact glutenite reservoir; 3, determining reservoir space types and features of different lithofacies in the compact glutenite reservoir; 4, analyzing pore throat structure characteristics of different lithofacies in the compact glutenite reservoir to obtain multi-type pore throat structure parameters; 5, establishing a reservoir performance and pore throat structure parameter database of different lithofacies in the compact glutenite reservoir; step 6, carrying out compact glutenite reservoir clustering by utilizing a Ward system clustering method; and step 7, in combination with productivity conditions and physical characteristics of different lithofacies in the compact glutenite reservoir, proofreading and perfecting a reservoir clustering result, and finally establishing a compact glutenite reservoir classification evaluation scheme. The invention further discloses application of the method in oil exploitation.

The invention provides a micro-area variable-angle grazing incidence wide-angle scattering test method based on a single-crystal X-ray diffractometer, which comprises the following steps: preparing a sample from a test material deposited on a substrate, and placing the sample on an improved sample rack which is provided with a specific structure and a driver for controlling an incident angle and the like; selecting an X-ray light source, aligning the X-ray light source with the sample, and switching and matching a copper target and a molybdenum target; z-scan scanning and tilting scanning along a light path direction and a direction vertical to the light path are carried out, and related parameters are set; the scattered X-rays are collected through a two-dimensional surface detector; and finally obtaining a correlation graph through software integration. Specific requirements for the table size, scanning parameters and the like of the improved sample holder are met, a height reference position, an adjusting structure and the like are further arranged, and a connecting part is installed on an equipment sample table through screw joint. The problems of inaccurate incident angle and height control and the like in the prior art are solved, and the test accuracy and reliability are improved.

The invention belongs to the technical field of quartz raw ore process mineralogy analysis, and particularly relates to a quartz raw ore process mineralogy analysis method which is a method for judging whether quartz raw ore can be used as high-purity quartz raw ore or not. The quartz raw ore is subjected to sample preparation, wherein a sample preparation method of a powder sample comprises the steps of crushing, wet grinding, filtering concentration and drying in sequence; carrying out chemical component analysis, phase component analysis and crystal structure analysis on the obtained powder sample; and carrying out electron probe microcell analysis, laser Raman spectrum analysis, lithofacies microscopic analysis and inclusion microscopic analysis on the obtained optical sheet. According to the quartz raw ore process mineralogy analysis method, the preparation method of the powder sample is simple, low in energy consumption and environmentally friendly, meanwhile, the obtained powder sample is slightly polluted by the outside, the obtained quartz raw ore process mineralogy analysis result can be closer to a true value, meanwhile, stable production of high-purity quartz sand can be ensured, and the production cost is reduced. And the loss of manpower, financial resources and material resources is reduced.

The invention relates to the technical field of mineral exploration, and discloses a method for determining a heat source center of a gold and copper ore area containing alunite minerals, which comprises the following steps of: determining a to-be-detected area of a target mining area, sampling surface rocks according to a preset grid or section, and acquiring a plurality of rock samples and corresponding original acquisition points; carrying out mineral component analysis on the plurality of rock samples, screening the alunite-containing samples to obtain a plurality of alunite-containing samples, and screening effective samples; performing elemental component analysis on the effective sample, and extracting elements and contents related to gold mineralization or copper mineralization in the effective sample; setting a potential heat source center, calculating the distance between each effective sample and the potential heat source center, introducing a distance attenuation index, establishing an objective function of the element content and the distance, and adopting a gradient descent method to perform inversion solution by minimizing the objective function to obtain coordinates of the potential heat source center, namely the determined heat source center of the gold ore or the copper ore; the method improves the accuracy of gold and copper ore area heat source center exploration.

The invention relates to the technical field of oil and gas reservoirs, and discloses a carbon dioxide dynamic water-rock reaction measuring device and method.According to the method, five groups of rock samples from the same well and with the same well depth are adopted for a parallel control experiment, the five groups of rock samples correspond to five reaction times set by the experiment respectively, and after each reaction is finished, the reaction time is calculated; according to the method, the porosity, permeability, mineral components and clay mineral components of corresponding rock samples are measured, the fluid ion concentration after the reaction is measured and analyzed, the carbon dioxide burying amount is calculated, experiments of other groups are not interfered, the reaction continuity and the reaction system sealing performance can be guaranteed, and the stratum reaction environment can be simulated more truly.

The invention relates to a method for in-situ observation of an alkali metal solid-state battery. The method comprises the following steps: S1, observing morphology and component changes of interface cross sections of a positive electrode, a negative electrode and an electrolyte of the alkali metal solid-state battery through a scanning electron microscope; and S2, carrying out structure evolution characterization on an interface of the positive electrode, the negative electrode and the electrolyte of the alkali metal solid-state battery through synchrotron radiation X-ray diffraction. According to the method for in-situ observation of the alkali metal solid-state battery, the scanning electron microscope is combined with the synchrotron radiation X-ray diffraction, so that the defect that a traditional in-situ characterization method is single is overcome, and morphology, morphology and morphology of an air-sensitive alkali metal solid-state battery electrode and an electrolyte contact interface under the conditions of different working currents, voltages and temperatures are realized. And comprehensive and accurate real-time characterization and analysis of components and structures are realized.

The invention discloses a multi-scale performance evaluation and optimization method and device for well cementation cement stone, and relates to the technical field of oil exploitation, the well cementation cement stone is subjected to nanoindentation test and scanning electron microscope microstructure test, and a mechanical property-microstructure test result is obtained; performing electronic computer tomography and mercury injection test on the well cementation cement stone, and constructing a pore network three-dimensional model; performing triaxial mechanical property test, thermogravimetric analysis and thermal expansion test on the well cementation cement stone to obtain a thermal-mechanical coupling test result; performing X-ray diffraction and X-ray fluorescence spectrum analysis on the well cementation cement stone to obtain mineral phase information and element information of the cement stone; according to the method, a mechanical property-microstructure test result, topological parameters, a thermal-mechanical coupling test result, cement stone mineral phase information and element information are fused, an optimal design scheme for target well conditions is generated, multi-dimensional performance testing and characterization are achieved, and an accurate basis is provided for well cementation cement stone optimal design and quality control.

The invention relates to a multi-principal element alloy local lattice distortion measurement method based on a synchrotron radiation X-ray atom pair distribution function, which comprises the following steps: preparing an experimental material, and collecting two-dimensional diffraction data by using synchrotron radiation high-energy X-rays; separating local and average structure information through an atom pair distribution function; and verifying local distortion causes by combining structure fitting and DFT supercell relaxation. According to the method, the accuracy of capturing the local distortion of the atomic scale can be improved, the integrity of statistical information of the local structure distortion of the quantitative characterization material can be fully supplemented, and high-precision measurement and quantitative analysis of dynamic distortion can be systematically realized.

The invention belongs to the technical field of vanadium enrichment mechanisms of phosphorus vanadium ores, and discloses a research method of a vanadium enrichment mechanism in a diagenetic stage of phosphorus vanadium ores, which comprises the following steps: S1, sample collection and treatment; s2, rock ore identification and mineral composition analysis; s3, analyzing the occurrence state and microcell morphology of vanadium; s4, performing geochemical analysis on the whole rock; s5, in-situ microcell geochemical analysis is carried out; s6, phosphorus nodule analysis; s7, comprehensive analysis and mineralization model establishment; according to the method, mineralogy, total rock geochemistry, micro-area surface scanning and other multi-scale and multi-means research methods are comprehensively utilized, and the vanadium occurrence state, the ore-forming fluid evolution and the phosphorus-vanadium coupling relation are finely described; in-situ microcell geochemical analysis is introduced into phosphorus nodule analysis, the internal structure, the growth sequence and element distribution of the phosphorus nodule are directly revealed, obvious frontier and systematicness are achieved, and reliable theoretical support is provided for accurate exploration of vanadium ore resources and green and efficient dressing and smelting process research and development.

The invention relates to the technical field of material testing, and discloses a phase change temperature calibration method and system for a phase change material, and the method comprises the steps: collecting the surface temperature distribution data and crystal structure parameters of the phase change material based on a bimodal synchronous monitor, and building a temperature-structure incidence matrix; when the parameters of the crystal structure suddenly change, determining surface temperature distribution data corresponding to a sudden change moment based on the temperature-structure incidence matrix, and calculating an initial phase change temperature interval; constructing a nonlinear mapping model of the initial phase-change temperature interval and the heating rate, and performing dynamic compensation on the initial phase-change temperature interval based on the nonlinear mapping model to obtain a corrected phase-change temperature; inputting the corrected phase change temperature into a gradient temperature control module containing a standard sample; and comparing the offset of the actual phase change position and the theoretical position of the reference material, and reversely correcting and correcting the phase change temperature based on the offset to obtain the final calibration temperature. The calibration accuracy of the phase change temperature of the phase change material can be improved.

The invention relates to a multi-principal element alloy local lattice distortion measurement method based on a synchrotron radiation X-ray atom pair distribution function, which comprises the following steps: preparing an experimental material, and collecting two-dimensional diffraction data by using synchrotron radiation high-energy X-rays; separating local and average structure information through an atom pair distribution function; and verifying local distortion causes by combining structure fitting and DFT supercell relaxation. According to the method, the accuracy of capturing the local distortion of the atomic scale can be improved, the integrity of statistical information of the local structure distortion of the quantitative characterization material can be fully supplemented, and high-precision measurement and quantitative analysis of dynamic distortion can be systematically realized.

The invention relates to a method for evaluating the volume change rate of martensitic steel after heat treatment, a martensitic steel sample is subjected to heat treatment, the sample subjected to heat treatment is subjected to XRD (X-Ray Diffraction) test, and experimental parameters of the XRD test comprise diffraction peak intensity of martensite and austenite in the sample subjected to heat treatment; calculating the volume percentage V 'gamma of austenite in the heat-treated sample and the volume percentage V' alpha of martensite in the heat-treated sample; and substituting the V 'gamma, the V' alpha, the martensite lattice constant a alpha and the austenite lattice constant a gamma into a formula # imgabs0 # to calculate the volume change rate of the martensite steel after heat treatment. According to the method, the volume change condition of the martensitic steel after heat treatment can be obtained, the stability of the material after heat treatment is preliminarily pre-judged, the regulation and control capability on the dimensional stability of the material is improved, and the influence of different heat treatment processes on the dimensional stability of the martensitic steel is effectively evaluated.

The invention provides a device and a method for detecting residual stress and defects of a diaphragm by a neutron source. The device comprises a neutron source, a neutron detector, a diaphragm fixing assembly and a console, and the residual stress and defects of the diaphragm are nondestructively detected through a neutron diffraction technology. The diaphragm is fixed through the diaphragm fixing assembly, and the neutron beam of the neutron source is adjusted, so that the neutron beam completely covers the diaphragm; adjusting the angle of the diaphragm through the diaphragm fixing assembly, repeatedly recording stable diffraction signals to obtain multiple groups of strain data, and analyzing and processing to generate a residual stress nephogram and a defect distribution result. According to the scheme, accurate detection of residual stress and defects of the to-be-detected diaphragm is realized through the neutron diffraction technology, the method has the advantage of nondestructive detection, avoids damage to the diaphragm, is suitable for detection of various diaphragm materials, is accurate in measurement and simple and convenient to operate, reduces manual operation errors, and improves the detection accuracy. And meanwhile, the data is further analyzed and processed by utilizing cloud computing and a big data technology, so that the detection accuracy and efficiency are improved.

The invention discloses a method for improving obdurability matching of titanium alloy by inducing an FCC phase through high-temperature impact deformation, and belongs to the technical field of metal material phase change regulation and control. The method comprises the steps that after annealing treatment and surface treatment are conducted on a substrate material, the substrate material is sequentially covered with a sacrificial layer and a restraint layer and evenly pressed, the substrate material is placed on a heating table of a high-temperature impact deformation device to be preheated, and the substrate material is subjected to high-temperature impact deformation; according to the method, the energy required for transformation of the HCP phase to the FCC phase is reduced, the heating temperature and laser shock parameters are set, the HCP phase is induced to be transformed into the FCC phase under the dynamic stress-temperature synergistic effect through multi-pass laser shock peening and high-temperature and high-speed shock deformation, the FCC phase, nano twin crystals and residual compressive stress form the synergistic peening effect, and therefore the HCP phase is converted into the FCC phase. Further, the grain refinement process is accelerated, the strength and plasticity matching is improved, and the high-temperature impact deformation induces the FCC phase to improve the strength and toughness matching of the titanium alloy; the substrate is made of industrial pure titanium or titanium alloy. The method is suitable for high-strength parts with complex geometrical shapes, is more widely applicable than traditional rolling annealing, and provides reference for strengthening and toughening of titanium alloy.

The invention discloses a method for detecting organophosphorus pesticides through a colorimetric sensor array, and relates to the technical field of organophosphorus pesticide detection and separation. The detection effect is improved; comprising the following steps: synthesizing a ZrMOF (at) Pt (at) ZrMOF composite material with a hierarchical structure; catalyzing an enzymatic reaction between a chromogenic substrate and hydrogen peroxide by using the composite material; and an organophosphorus pesticide identification mode is constructed through multi-channel colorimetric signal change. The ZrMOF (at) Pt (at) ZrMOF composite material with a three-layer structure (inner-layer ZrMOF, middle-layer PtNPs and outer-layer ZrMOF) is used as a sensing element, the inner-layer ZrMOF provides a larger anchoring surface area for PtNPs and reduces aggregation, and the outer-layer MOF further stabilizes PtNPs and promotes charge transfer in a catalytic reaction process, so that the composite material shows higher peroxidase-like activity, and the sensing element has a good application prospect. The affinity to a substrate is good.

The invention relates to the technical field of semiconductor energy material detection, and discloses a table type X-ray spectrometer multifunctional combined integrated in-situ experiment device, which comprises an X-ray source, a light source, an X-ray detector, an X-ray detector, an X-ray detector, an X-ray detector, an X-ray detector and an X-ray detector, the sample table is used for adjusting the position of the sample in the light path; the flight pipeline is used for transmitting X-rays and signals; the detector is used for collecting electronic signals. By adopting the unique design of the X-ray monochromator and the focusing mirror, the measurement and analysis of an X-ray absorption fine structure and a crystal structure can be realized in a conventional laboratory environment without using a synchrotron radiation light source, and X-ray diffraction, scattering and absorption spectrograms comparable to a synchrotron radiation level are obtained with extremely high sensitivity and light source quality; qualitative and quantitative analysis, crystalline state and valence state analysis and long-range structure and short-range coordination structure analysis of elements are achieved, and grazing incidence X-ray diffraction, powder diffraction and XAS research can be conducted in real time.

The invention belongs to the technical field of geological exploration, and discloses a continental facies shale oil mobility geological control factor combined evaluation method and system.The continental facies shale oil mobility geological control factor combined evaluation method comprises the steps that a sedimentary structure type and an organic matter type are divided based on a rock sample; comprehensively dividing continental facies shale lithofacies by combining three-end-member lithofacies types; analyzing the saturation of the movable fluid according to the multiphase relaxation time spectrum of the rock sample, and evaluating the mobility of shale oil by using pyrolysis parameters; and analyzing the influence factors of the mobility of shale oil based on the geological control factors. According to the method, aiming at research requirements of continental facies shale oil mobility control factors, in order to solve the problem of how to comprehensively and completely evaluate the shale oil mobility control factors, a multi-scale multi-type qualitative observation technology and a quantitative test technology are combined, a plurality of influence factors of shale oil mobility are comprehensively considered, and a relatively comprehensive evaluation system is established.

The invention discloses a research method for determining phyllite fracture surface roughness and failure mode based on digital three-dimensional reconstruction, and relates to the technical field of rock mechanics and geological engineering, and the research method comprises the following steps: S1, collecting a specific phyllite raw stone processing sample; s2, testing physical properties of the phyllite; s3, measuring the uniaxial compressive strength of the phyllite test; s4, observing the uniaxial compression damage process of the rock through a high-speed camera; s5, establishing a uniaxial compression test numerical model of the rock through PF C, and analyzing rock fracture characteristics; s6, using a microcomputer to control a rock direct shear apparatus to apply a plurality of groups of different normal stresses to the grouped samples to carry out a direct shear test; according to the method, through experiments and analysis in multiple aspects, the characteristics of the phyllite can be accurately mastered, the behaviors of the phyllite under different stresses can be effectively predicted, the engineering safety is improved, the engineering scheme is optimized, the engineering cost is reduced, and meanwhile, a systematic, comprehensive and referential research example is provided for research in related fields.