42results about How to "Achieving Quantitative Description" patented technology

The invention provides an acoustic emission positioning monitoring device and method for a hydraulic fracturing fissure field of a coal body containing gas and belongs to a coal-mine gas disaster prevention and microseism monitoring device and method. The monitoring device is characterized in that a second sealing cavity body is connected in a first sealing cavity body; the two sealing cavity bodies are connected with a ground stress simulation module; a gas adsorption and desorption module is connected with a hydraulic fracturing module and then is connected with a plunger of the second sealing cavity body; a sensor of an acoustic emission positioning monitoring module is connected onto a wall of the second sealing cavity body. The method comprises steps as follows: the acoustic emission sensor is mounted, a coal sample is placed in the second sealing cavity body, and a space coordinates system is established; gas is injected into the coal sample and is sufficiently adsorbed by the coal sample; confining pressure and vertical pressure are applied to the coal sample; high pressure water with tracing color is injected into the coal body, an acoustic emission positioning monitoring system is started and is used for analyzing monitored acoustic emission signals and performing positioning monitoring on coal body fracturing incidents caused by hydraulic fracturing, and real-time monitoring for evolution of the hydraulic fracturing fissure field is realized.

The invention relates to a high temperature and high pressure visualization wellbore gas-liquid flow state simulation experiment device and a method thereof and belongs to the technical field of wellbore gas-liquid flow state study in the oil and gas development process. The high temperature and high pressure visualization wellbore gas-liquid flow state simulation experiment device is characterized in that the experiment device comprises a wellbore system, a gas-water pressurization injection system and a visualization monitoring system; the gas-water pressurization injection system simultaneously injects gas and liquid into the wellbore system, and the visualization monitoring system conducts monitoring. Further provided is the experiment method adopting the above-mentioned device. With mutual cooperation of various parts such as a high temperature and high pressure visualization wellbore model, the gas-water pressurization injection system and the visualization monitoring system, thehigh temperature and high pressure visualization wellbore gas-liquid flow state simulation experiment device and the method have the advantages of being capable of simulating and monitoring gas-liquid two-phase flow patterns under different gas-liquid ratios and different flow rates when the pressure in a wellbore is lower than 30 MPa and the temperature is lower than 150 DEG C, being capable ofsimulating vertical to horizontal and intermediate any angle well conditions, realizing disassembly and self-assembly of the experiment device, and achieving repeated use and low cost.

The invention discloses a quantitative characterization method of aromatic vinegar flavor and based on electronic nose and electric tongue intelligent sensory technologies, and belongs to the field ofcondiment quality detection. Aromatic vinegars of different vinegar ages are selected as representative samples, a GC-MS technology is used for detecting the content of two main aromas of the samples; and a national standard method is used for detecting contents of physical and chemical indicators of taste of the samples. An electronic nose which is specially designed is used for obtaining smellinformation of the samples, and an electronic tongue system is used for obtaining taste information of the samples; and then data collected by the electronic nose and an electronic tongue and corresponding physical and chemical values establish a corresponding information model correspondingly, and characterization of flavor of the to-be-detected aromatic vinegar samples is realized. According tothe quantitative characterization method of the aromatic vinegar flavor and based on the electronic nose and electric tongue intelligent sensory technologies, the electronic nose and electric tongue intelligent sensory technologies are used for realizing quantitative characterization of the flavor of the aromatic vinegars of the different vinegar ages, the evaluation method is simple, rapid and intelligent and is reliable in results.

The invention discloses a trans-scale design method of a high-speed milling cutter and the milling cutter. At present, the research of the internal relation among a microstructure, a macrostructure and performance of cutter materials is absent, and scientific evidences of the design and the development of the novel high-speed milling cutter are absent. The method comprises the following steps of: (1) constructing a high-speed milling cutter safety decline behavioral characteristic model; (2) developing the high-speed milling cutter by using a high-speed milling cutter safety stability design model; (3) establishing a high-speed milling cutter safety decline behavioral characteristic model design matrix by a grey correlation analysis method to characterize the relation between milling cutter design parameters and safety decline; (4) establishing a high-speed milling cutter mesoscopic level safety model by a grey cluster analysis method; and (5) researching macroscopic and mesoscopic mechanical characteristics of a high-speed milling cutter component under the condition of presetting an external force boundary, and realizing force connection-based high-speed milling cutter trans-scale correlation through continuous medium-molecular dynamic characteristic zigzag mapping. The method is used for designing the high-speed milling cutter.

The invention discloses a fissure measuring device matched with a borehole television imager and a using method. The fissure measuring device comprises a vertical outer cylinder, an inner cylinder for installing a probe of a boring imager and a power supply control box; a reflecting lens is arranged on the upper portion of a cavity of the outer cylinder, and a bore wall image observed through the outer cylinder can be reflected by the reflecting lens; scales are arranged on the inner wall, opposite to the position where the reflecting lens is located, of the outer cylinder, and semi-transparent comparison strips are arranged on the scales at intervals. The distance between a camera and the reflecting lens is adjusted by relatively moving the outer cylinder and the inner cylinder, the bore fissure breaking condition is completely recorded through the camera, and the fissure width is obtained by comparing scale or fissure width with the comparison strips. The simple optical principle is adopted so that the bore wall image parallel to the axial direction of the camera can vertically income the camera, the observing effect is improved, and quantitative description of the bore wall fissure and the separation layer width is achieved.

The invention discloses a vehicle lithium iron phosphate power battery capacity attenuation detection system comprising a lithium battery detection subsystem, a detection information analysis subsystem and a battery capacity attenuation self-recognition subsystem. The lithium battery detection subsystem comprises a tomographic image acquisition module, an electrochemical performance detection module and a charge and discharge control module. The battery capacity attenuation self-recognition subsystem comprises a structural morphological analysis operation module and an intelligent detection module. Nondestructive, accurate, rapid and online detection of the vehicle lithium iron phosphate power battery can be realized, and the law between the battery capacity attenuation and the structuralmorphological change of the battery is quantitatively analyzed so that an effective research method can be provided for researching the high-performance vehicle lithium ion battery.

The invention discloses a method for determining reconfiguration time of a reconfigurable manufacturing system. The method is characterized in that a reconfiguration point of an RMS (reconfigurable manufacturing system) can be quickly and reasonably determined according to the change of an order, a processing function and a processing capability capable of meeting market requirements are rapidly reconfigured, and the features of low cost and quick response of the RMS are kept. The method comprises the following steps of firstly analyzing RMS dynamic complexity by utilization of information entropy, dividing the RMS dynamic complexity EX into a sum of an RMS active complexity Ep and an RMS negative complexity En, and analyzing RMS complexity change situation in the perspectives of the processing function and the processing capability; then constructing a potential function by utilization of a cusp catastrophe theory, wherein the catastrophe moment of the potential function is the reconfiguration time point of the RMS. The method disclosed by the invention has the advantages that reconfiguration point decision judgment evidence is provided for a decision maker, the system reconfiguration is performed in time, and the activity of the RMS is kept.

The invention relates to a cladding layer cross section contour curve under broadband laser effect and a modeling method, and a cladding layer cross section contour curvilinear equation is that y=hc-0.5*wc / sin theta+ the square root of [0.5*wc / sin theta)<2>-x<2>], x belongs to [-wc / 2,wc / 2],wherein, y is an ordinate of a coordinate system XOY; X is an abscissa; hc is the height of the cladding layer; wc is the width of the cladding layer; theta is a deposition angle; and the XOY coordinate system takes the bottom center of the cladding layer as a round O, the width direction of the cladding layer as shaft X, the height direction of the cladding layer as the shaft Y; hc, wc and theta are described as the functions of a technological parameter laser power P, a powder layer thickness T and a scan speed V. <{EN2}>The curvilinear equation modeling method comprises the steps of conducting a broadband laser cladding selectivity all factor test to obtain a technological parameter preferable scope; performing central composite design test; intercepting a cladding layer cross section for sampling; plotting the geometric dimension of the cladding layer cross section; establishing a quantification description relation formula of the geometric dimension of the cladding layer cross section and the technological parameter; deriving a contour curvilinear equation of the cladding layer cross section, and verifying the contour curvilinear equation of the cladding layer cross section. <{EN3}>The curve provide data support for the layered slice of a laser cladding application and a locus program; the modeling method is simple; the operability is strong; and the accuracy is high.

The invention discloses an automatic fetal head descending angle measurement method. The method comprises the steps as follows: S1, a perineal approach ultrasonic image of a pregnant and laying-in woman and recorded as an original image; S2, performing pubic symphysis segmentation on the ultrasonic image; S3, performing fetal head outline segmentation on the ultrasonic image; S4, calculating the included angle formed between the connecting line of upper and lower edges of pubic symphysis and the tangent line of the lower edge of the pubic symphysis and the fetal head outline, which is AOD. Bymeans of the AOD automatic measurement method for evaluating the position of a fetal head, the position of the petal position can be measured accurately, objective and reliably, quantitative description of the position of the fetal position can be realized, a doctor is helped to make scientific decisions for the delivery process, so that the fetal-maternal damage is effectively reduced, unnecessary cesarean section is reduced, and the birth quality is improved.

The invention discloses a compensation method for the multi-tooth uneven cutting behavior of a high-speed milling cutter and relates to the compensation method for the cutting behavior of the high-speed milling cutter. The invention aims at solving the problem that the quality of the processing surface is reduced due to the uneven cutting of the existing high-speed multi-tooth milling cutter. The compensation method comprises the following steps of firstly, establishing a cutting behavior model of the high-speed milling cutter under the vibration of the milling cutter and the influence of cutter tooth errors; secondly, recognizing the cutting behavior of the high-speed milling cutter, adjusting the tooth pitch and the rotating speed, and performing primary compensation; thirdly, recognizing the high-speed milling cutter for the second time, and performing secondary compensation on the multi-tooth uneven cutting behavior; fourthly, verifying the compensation effect. According to the compensation method disclosed by the invention, the problem that the quality of the processing surface is reduced due to the multi-tooth uneven cutting of the high-speed milling cutter under the vibration of the milling cutter and the influence of the cutter tooth errors is solved.

The invention discloses an electronic nose technology-based fabric fragrance persistence characterization quantitative method, which comprises the following steps of: firstly, screening an electronicnose gas sensitive sensor to obtain perfume in an appropriate proportion; secondly, optimizing sealing time through a control group test; thirdly, optimizing volatilization time through a control group test; and then, uniformly dripping the same amount of perfume on the fabric with the same parameters, opening the fabric for the volatilization time, and sealing the fabric for the same sealing timeby using a preservative film; sampling headspace gas in the beaker by adopting an electronic nose to obtain a gas sensitive sensor array response value of the odor in the fabric along with time change; finally, using SPSS software to carry out curve fitting on the response value data, and therefore achieving quantitative characterization of the fragrance retention performance of the fabric. According to the method, the fragrance persistence of the fabric is quantitatively analyzed through an electronic nose and a headspace technology, the problems of long consumed time, incapability of real-time detection and the like of physicochemical method detection on fabric fragrance characterization are solved, and quantitative description on the fragrance persistence of the fabric is realized.

The invention relates to a cataclastic lithoface determination method. The method specifically comprises the steps of 1) carrying out field structure petrographic reconnaissance; 2) carrying out fieldmacroscopic structure measurement; 3) measuring and counting the crack attitude of cataclastic lithofacies of all strength and levels; 4) systematically collecting all kinds of specimens; 5) making various sheets, polished sheets and probe sheets, and carrying out petrographic and mineralographic identification under a polarizing microscope; 6) carrying out microscopic crack measurement and statistics on the basis of the petrographic and mineralographic identification; 7) carrying out microscopic crack petrographic and geochemical petrographic research; and 8) delineating the cataclastic lithofacies. The method disclosed by the invention has the following advantages: the quantitative description of cataclastic lithoface characteristics and classification is realized; the theoretical research and the application analysis are combined; and basic data is provided for analyzing a rock and ore forming mechanism and a coupling mechanism of a structure and a fluid, carrying out ore prospecting prediction, evaluating distribution rules of hydrogeologic water and the slope stability of circulating and engineering geology, assessing environmental geological disasters and the like.

The invention relates to the technical field of petroleum resource exploration and development. The invention particularly relates to an exploration investment benefit evaluation method for an oil-gasfield development and construction project. The method comprises the following steps: determining an oil-gas field development and construction project development index system and exploration and development investment; determining various costs according to oil-gas field development cost factors; determining product sales income, sales tax and appendages, and establishing output data such as cash flows and post-tax profits of each year of the project by applying a discount cash flow method; and defining exploration output according to a principle that unit exploration investment and unit development investment are equal, and carrying out corresponding benefit evaluation. According to the method, the overall benefit of the project is determined through the discount cash flow method, theexploration benefit is decomposed according to the principle that the unit exploration investment and the unit development investment are equal, quantitative description of the exploration benefit inthe oil-gas field development and construction project is achieved, and the method plays an important role in controlling the exploration and development investment benefit of large oil and gas companies.

The invention belongs to the technical field of photogrammetry and computer vision, and discloses a method for recognizing and locating geometrical marks by using generalized features, which generatestraining data sets for corresponding geometrical graphics objects by using a three-dimensional rendering engine, trains the geometrical marks in images through a depth learning network, and realizesrecognition of the geometrical marks in images. The common features such as contour extraction are processed, and then the dimension-reduced ICP algorithm is used to realize the registration in the discretized state, and the transformation parameters are obtained, so as to obtain the precise location of the geometrical markers. The invention realizes quantitative description of deformation of geometric identification primitive in image and obtains satisfactory positioning accuracy. For common geometrical identification, it does not need to customize the specific algorithm, but directly throughthe above process, to achieve accurate positioning of the identification, thus simplifying the manual identification extraction and positioning process, forming a common way.

The invention discloses an image structured report template automatic generation method and system, and the method comprises the following steps: S1, extracting a qualitative entity from a natural language representing image description of historical image report big data, carrying out the importance statistics of the qualitative entity, and obtaining the importance degree of the qualitative entity, selecting a qualitative entity as a quantitative entity according to the importance degree; and S2, constructing a structured image data table template based on the quantitative entity, and constructing a structured image description language template based on the quantitative entity and the image data table template. According to the method, the structured report template is constructed on the basis of quantitatively described organ tissues obtained based on expert experience, so that quantitative description and qualitative description of the medical image are realized, and both standardized and structured expression are considered; structured representation of the medical image in a data form is beneficial to statistical management of a generated structured report, so that the retrieval automation degree is improved.

The invention provides a laser damage effect analysis method for a two-layer stacked solar cell, so as to solve the problem that the existing analysis method cannot realize the quantitative analysis of the sub-PN junction performance, comprising the steps of: firstly acquiring the dark spectral response and the external quantum efficiency spectrum of the two-layer solar cell to be studied, then establishing and solving the linear equations of the sub-PN junction parallel resistance, analyzing the parallel resistance changes of the sub-PN junctions before and after the laser damage, and analyzing the internal damage of the two-layer stacked solar cell combined with the relation thereof with physical quantity in the PN junction.

The invention relates to a method for analyzing oil-water emulsification behavior in a near wellbore area and a perforation blasthole. The method comprises the steps that 1, the data of any one liquid production capacity oil well or the same oil well are obtained; 2, conventional 'screw type' perforations of actual layer sections are subjected to planar location treatment in the same radial direction, and the number of the perforations is determined; 3, n equivalent round pipes are built, a radial zone of the near wellbore area is arranged into an arrangement form in an equivalent mode, the arrangement form is composed of the multiple round pipes filled with reservoir rock particles and with the same size, and all oil-water media penetrating and flowing into an oil pool of a borehole through formation pores are uniformly distributed into the round pipes to flow; 4, the effective flow cross area of the equivalent round pipes is determined; 5, the shear energy of oil-water mixtures in any one equivalent round pipe flow field is calculated; 6, the shear energy is obtained by repeating the steps from one to five; 7, the quantitative shear energy under various production working conditions is subjected to statistic analysis; and 8, the adding period and a joint of a chemical demulsifier in the production process are formulated according to high and low changes of the shear energy subjected to statistic analysis. According to the method for analyzing the oil-water emulsification behavior in the near wellbore area and the perforation blasthole, the problem that the oil-water emulsification behavior in the near wellbore area and the perforation blasthole which cannot be reached is difficult to identify is solved.

The invention proposes a method and equipment for reconstructing the ellipsoid model of cracks on the surface of rock mass. The method adopts the ellipsoid model to intuitively express the distribution characteristics of cracks and pores, and at the same time conducts statistical analysis on the distribution characteristics of cracks and pores in samples to realize the analysis of the distribution characteristics of cracks and pores. Quantitative description; the present invention adopts ellipsoid to reconstruct rock mass surface fissure field, simplifies the surface fissure field inside rock mass to ellipsoid fissure, which is convenient to describe in mathematical geometry, and establishes simplified fissure field and rock mass physical and mechanical properties and deformation The theoretical relationship between failures is of great significance to the development of fractured rock mechanics theory.

A method for analyzing the vibration environment of a sensing part of an engine and determining a test load, comprising: step 1, calculating and analyzing the static strength and fatigue strength of the sensing part; step 2, selecting a vibration sensor whose temperature resistance and frequency range meet the working environment of the engine , install the vibration sensor on the part of the engine that can reflect the maximum vibration response of the sensing part, and obtain the vibration load data; Step 3, analysis and statistical processing of the test load of the sensing part; Step 4, determination and synthesis of the test profile of the sensing part and simplification; step five, correct the test load in combination with the vibration environment changes of the engine in the field use process; step six, formulate the fatigue test load spectrum according to the corrected test load, select the test section of the sensing part to carry out the fatigue test, And based on the test results, the safe life of the sensing part is given to guide the design and modification of the sensing part. The invention can scientifically and reasonably determine the safe life of the product, and improve the reliability and economy of the product.

The invention belongs to the technical field of photogrammetry and computer vision, and discloses a method for identifying and locating geometric marks by using generalized features. A three-dimensional rendering engine is used to generate a training data set for corresponding types of geometric objects, and a deep learning network is used to generate training data sets. The graphic is trained to realize the recognition of the geometric logo in the image; the identified graphic object is processed with common features such as contour extraction, and then the dimensionality reduction ICP algorithm is used to realize the registration in the discretized state of the logo and obtain its transformation parameters , so as to obtain the precise positioning of the geometric marker. The present invention realizes the quantitative description of the deformation of the geometric identification primitive in the image, and achieves a relatively satisfactory positioning accuracy; it can realize that for the commonly used geometric identification, there is no need to customize a specific algorithm, but directly through the above process, the realization of the Accurate positioning of markings, thereby simplifying the extraction and positioning process of manual markings, and forming a general method.

The invention relates to an explosion-proof plate for a metal zinc oxide arrester of a corrugated structure. The explosion-proof plate is arranged at the top of the arrester and is sealed; the explosion-proof plate comprises an explosion-proof plate and a pressure detection device, wherein a spherical bulge is arranged at the center of the top surface of the explosion-proof plate; two annular corrugated bulges which are concentric with the spherical bulge are arranged from the center to the outside at an equal distance; the explosion-proof plate is made of beryllium bronze; the pressure detection device comprises a strain gauge and a variable conversion device; the strain gauge is laid on the surface of the annular corrugated bulge; the strain gauge is electrically connected to the variable conversion device; and the variable conversion device can convert the deformation quantity of the strain gauge into the pressure in an air chamber of the arrester. The explosion-proof plate has theadvantages that the service life is long, the economy is high, the airtightness damage is reduced, the explosion-proof matching is realized, and the detection precision is high.

The invention relates to a method for correcting the sizes of crystal grains for analyzing the lives of wheel discs of aero-engines. The method has the advantages that metallographic analysis is carried out on standard test samples for sampling different positions, the average sizes of the crystal grains are introduced for correcting existing deterministic life models, and accordingly the prediction precision can be enhanced; probabilistic life models are built for test data of the standard test samples, and the dispersibility of the performance of materials can be quantitatively described; damage parameters of the deterministic life models are combined with the probabilistic life models, and the probabilistic life models corrected by the aid of the sizes of the crystal grains are built; life models are corrected by the aid of the introduced average sizes of the crystal grains on the basis of fatigue life models, and accordingly the prediction precision of the life models can be obviously improved; the deterministic life models corrected by the aid of the sizes of the crystal grains are further randomized, accordingly, the precision of deterministic life prediction results can be guaranteed, and the dispersibility of life data can be quantitatively described.

The invention relates to an explosion-proof plate for a metal zinc oxide arrester of a corrugated structure. The explosion-proof plate is arranged at the top of the arrester and is sealed; the explosion-proof plate comprises an explosion-proof plate and a pressure detection device, wherein a spherical bulge is arranged at the center of the top surface of the explosion-proof plate; two annular corrugated bulges which are concentric with the spherical bulge are arranged from the center to the outside at an equal distance; the explosion-proof plate is made of beryllium bronze; the pressure detection device comprises a strain gauge and a variable conversion device; the strain gauge is laid on the surface of the annular corrugated bulge; the strain gauge is electrically connected to the variable conversion device; and the variable conversion device can convert the deformation quantity of the strain gauge into the pressure in an air chamber of the arrester. The explosion-proof plate has theadvantages that the service life is long, the economy is high, the airtightness damage is reduced, the explosion-proof matching is realized, and the detection precision is high.

The invention provides a method for determining the fracturability of formations based on tension fracturing and shear fracturing, and belongs to the field of fracturability evaluation of shale formations in petroleum exploration and development. The invention studies the influence and contribution of tension fracture and shear fracture in the fracturability index of shale formation, and establishes a fracturability index model expressed by the tension fracture and shear fracture models by using logging data. Fracture models and characteristics for formation fracability are comprehensively described. The invention is beneficial for judging the conditions, difficulty and estimation of shear fractures in the formation fracturing process, optimizing the fracturing construction parameters, reducing the exploration and development costs of shale gas formations, and improving the efficiency of shale formations. development efficiency. The quantitative description of the fracturability of shale formations has been realized, which is conducive to formulating perforation and fracturing plans, improving fracturing effects, and increasing shale gas production capacity.

The invention belongs to the field of safety evaluation of concrete gravity dams, and provides a method for calculating an I-type stress intensity factor of a rock-concrete interface crack under the action of a continuous load. The interface crack I-type stress intensity factor under the continuous load effect can be simply and conveniently calculated, then quantitative description of an interface crack tip stress field under the continuous load effect is achieved, and a reference is provided for safety evaluation during the service period of a concrete gravity dam.

The invention discloses a grouting diffusion reinforcement simulation and permeability coefficient test device and method for a water-rich sandy soil stratum. The device comprises a sand layer simulation system, a slurry input system, a flowing water simulation system and a monitoring and data acquisition system, two ends of the sand layer simulation system are connected with a slurry inlet bin and a slurry outlet bin; the slurry input system is powered by an air compressor, and slurry is injected into the sand layer simulation system from a slurry inlet bin; the flowing water simulation system pumps flowing water into the sand layer simulation system; the monitoring and data acquisition system records changes of stratum parameters such as osmotic pressure and soil pressure. According to the invention, the transparent organic glass and the transparent soil material are applied, so that the visual simulation of the whole grouting diffusion and reinforcement process of the water-rich low-water-pressure sandy soil stratum can be realized, the permeability coefficients of reinforcing bodies at different diffusion distances can be integrally measured, and the visual simulation of slurry diffusion and reinforcement under the working condition of high-pressure flowing water in the sandy soil stratum can be carried out; the method plays a positive and beneficial reference role in actual grouting diffusion and reinforcement engineering of the water-rich sandy soil stratum.

The present invention relates to a method for analyzing the oil-water emulsification behavior in the vicinity of the wellbore and at the perforated blasthole, which includes: 1. Obtaining the data of any oil production well or the same oil well; "Perforation is positioned on the same radial plane to determine the number of perforations; 3. Establish an equivalent circular pipe, and the radial area near the wellbore is equivalent to a number of circular pipes filled with reservoir rock particles and of the same size. Arrangement form, all the oil-water media in the reservoir that seepage through the formation pores to the wellbore are evenly distributed to flow in these circular pipes; 4. Determine the effective flow cross-sectional area of ​​the equivalent circular pipe; 5. Calculate any equivalent circle of the oil-water mixture The shear energy in the pipe flow field; 6. Repeat steps 1 to 5 to obtain the shear energy; 7. Statistically analyze the shear energy under each production condition; Dosing period and node of chemical demulsifier in the process. The invention solves the problem that the oil-water emulsification behavior is difficult to identify in the near-wellbore area and the perforated blast hole, which is an inaccessible area.