47results about How to "Evaluation Method Science" patented technology

The invention relates to the fields of environmental science, environmental risks and environmental management, in particular to an evaluation method for comprehensively evaluating the pollution risks of ground water by utilizing multi-index and spatial visualization technologies. The vulnerability of the local ground water, the value of the ground water, the characteristics of a pollution source and the risk evaluation of population health are integrated, and a geographic information system (GIS) platform is used for configuration representation to visually evaluate the pollution risks of the local ground water, so that evaluation accuracy is improved, and an evaluation result can be conveniently and directly felt. The method comprises the following steps of: (1) selecting main factors for pollution to the local ground water, such as the vulnerability of the ground water, analysis on the pollution source, the value evaluation of the ground water and health risks, establishing a multi-index local ground water pollution risk evaluation index system, and evaluating the risks of local pollution, particularly local characteristic pollutants by adopting a corresponding method; and (2) superposing local ground water pollution risk indexes on the basis of a GIS graphic technology to obtain a risk graph. Therefore, the pollution risks of the local ground water are visually evaluated.

The invention belongs to the technical field of evaluation for gas storages of gas fields, and particularly relates to an evaluating method for a closure property of a lithologic gas reservoir type gas storage. The evaluating method comprises the steps that evaluation of the closure property of a cover plate and a bottom plate is performed, specifically, the macroscopic closure property of the cover plate and the bottom plate is evaluated firstly, and then the microscopic closure property of the cover plate and the bottom plate is evaluated; the evaluation of the closure property of a lateralboundary is performed, specifically, the microscopic closure property of the lateral boundary is evaluated firstly, then a spatial form of the lateral boundary is evaluated, and finally dynamic evaluation of the lateral boundary is performed; and the overall sealing capability of the gas storage is inspected. According to the evaluating method for the closure property of the lithologic gas reservoir type gas storage, the problem that no systematic evaluating method for the sealing capability of the lithologic gas reservoir type gas storage is obtained in the prior art is solved; and the evaluating method is scientific, reliable, and highly operable on site, the sealing property of the gas storage is more accurately judged, the problem that the closure property of the lithologic gas reservoir type gas storage is difficult to demonstrate due to the trapped boundary is solved, the construction risk and the operational risk of the gas storage are reduced, and the safety of the gas storageis improved.

The invention relates to a novel wind power generation comprehensive benefit assessment method, which is characterized in that: according to acquired data, the wind power generation benefit and thermal power generating cost are assessed under different load levels; and the comprehensive benefit of the wind power generation is assessed by considering the wind power generation additional benefit and the thermal power generation cost increment comprehensively, so that network-wide wind power generation benefit and the thermal power generation cost which are caused by the additional generation of the generated power of wind power station groups are assessed quantitatively under different load levels, and the comprehensive benefit of the network-wide wind power generation is assessed effectively so as to measure the effect of wind power fluctuation on the comprehensive benefit of network-wide power generation. The assessment method is scientific and reasonable.

The invention discloses a space-time chain model based bus route evaluation method. The method includes the steps: firstly, creating a passenger travel station point set; secondly, acquiring a movement track Sij(t) of a bus between two adjacent bus stations Zi and Zj; thirdly, forming a complete passenger travel space-time path L(t); fourthly, modeling the passenger travel time path L(t) by utilizing the time-space geography theory; fifthly, acquiring a mathematical model S' for evaluation of the complete passenger travel space-time path. The bus route and bus travel behaviors are evaluated and expressed visually, and the method has an important value to scientific evaluation and reasonable setting of the bus route.

The invention relates to an evaluating method for the special vulnerability of the local ground water built by combining the local pollutants, which represents the special vulnerability of the local ground water based on a GIS (Geographic Information System) platform. The evaluating method comprises the following three steps of: (1) selecting the main factors for influencing the specificity of the local ground water based on a DRASTIC (Index=DrDw+RrRw+ArAw+SrSw+TrTw+IrIw+CrCw) evaluating method, building an indicator system of the special vulnerability of the local ground water and evaluating the special vulnerability of the local ground water caused by provincial characteristic pollutants through a fuzzy mathematic method; (2) constructing an actual measurement device for the osmotic coefficients of the local ground water, and actually measuring the osmotic coefficients of the local ground water; and (3) repeatedly calculating the special vulnerability of the local ground water based on the GIS technology, and visually representing the special vulnerability of the local ground water.

The invention discloses a method for determination of a material liquid retention ratio in cut cigarette tobacco preparation. The method comprises the following steps of A, marker selection, B, marker detection method establishment, C, sample preparation, D, marker detection analysis, E, marker retention ratio calculation and F, material liquid retention ratio calculation. The method selects a specific substance in the material liquid as a marker, realizes quantitative research on transfer change cases of the material liquid in a processing process by a chemical apparatus-based analysis detection means, solves the problems of evaluation based on a single substance and objective impossibility of evaluation based on all material liquid components, provides a complete, objective and scientific evaluation method for material liquid absorption and transfer in the quantitative cut cigarette tobacco-preparation and material-feeding processes, realizes improvement of a feeding device and a processing process, and has a very important meaning for improvement of cigarette product quality and stability.

The invention provides a noise reduction system performance evaluation method and system. The method includes determining the noise reduction depth d on the basis of the noise reduction curve; calculating the comfort level C1 of ambient sound before noise reduction and the comfort level C2 of ambient sound after noise reduction, and obtaining the comfort level change amount delta C; based on the noise reduction depth d and the comfort level change amount delta C, evaluating the noise reduction performance. A novel multi-dimensional evaluation method is formed by increasing comfort level evaluation items in an existing noise reduction system evaluation method, so that the objective noise reduction effect after noise reduction can be achieved, the degree of improvement of the subjective feeling of people can be reflected, and the method is a scientific and comprehensive evaluation method, meanwhile, the design of the noise reduction system has a guiding function, and the evaluation method is simple and easy to implement.

The invention relates to screening method of a pumpkin material for a glossy disease-resistant rootstock. The method comprises the following steps: (1) grafting: collecting different pumpkin germplasm materials, grafting cucumber scions to pumpkin seedlings having two true leaves and an apical bud, pinching the true leaves of rootstock pumpkins before the grafting, retaining growing points, planting grafted seedlings, and retaining two vines, a cucumber vine and a pumpkin vine; (2) cucumber glossy performance screening: comparing and screening the grafted seedlings, selecting materials with the most obvious cucumber dewaxing powder and the best brightness, after bearing 2 to 3 cucumbers, removing the cucumber vines in time, only retaining the pumpkin vines to identify and screen disease resistance character or reserve seeds; (3) pumpkin rootstock disease resistance screening: screening the grated seedlings for resistance to fusarium wilt, resistance to powdery mildew, and resistance to CGMMV, selfing the materials with resistance to disease and cucumber glossy performance and retaining F1 generation pumpkin seeds. The method has short breeding time, high efficiency and standardized means, and can retain the fine properties of pumpkin seedling and rootstock at the same time.

The invention provides a method for evaluating the residual storage life of a ZN-40 damping vibration attenuation structure, and the method is realized under four setting conditions through the following steps: 1, analyzing the aging law of the mechanical property of a rubber material of the ZN-40 damping vibration attenuation structure; 2, establishing a dynamic response time sequence analysis model of the ZN-40 damping vibration attenuation structure; 3, establishing a time sequence model standard parameter value list; 4, carrying out aging state identification based on residual statistical characteristics; and 5, estimating storage life and residual storage life. Through the steps, the aging state of the ZN-40 damping vibration attenuation structure is mapped to the vibration characteristics of the structure, so that the aging state of the structure can be identified conveniently, and disassembly-free overall evaluation is realized; the excitation type is simple, operation is convenient, the requirement for vibration energy is low, and damage to the structure is avoided; the evaluation method is scientific and good in manufacturability, and has wide popularization and application values.

The invention discloses a method for evaluating the aging degree of a pantograph pan based on ultrasonic wave. The method is used for evaluating the aging degree of the pantograph pan and establishinga relation between the propagation speed of the ultrasonic wave and the aging degree of the pantograph pan through measuring the propagation speed of the ultrasonic wave in the pantograph pan under different aging degrees. A scientific and fast evaluation method is provided for the aging degree of the pantograph pan, the problem of inaccuracy brought by manual visual evaluation on the aging degree of the pantograph pan at present is solved, and a positive theoretic guiding significance in evaluation on the aging degree of the pantograph pan is obtained.

The invention relates to the technical field of anti-seismic design, and discloses a seismic oscillation evaluation method based on performance levels, and the method comprises the following steps: determining interlayer displacement angles corresponding to different performance levels as anti-seismic performance levels; mapping different performance levels to structure vertex displacement, and acquiring base shearing force under the different performance levels; selecting a vibration mode number, obtaining vertex displacement from a second vibration mode to a maximum vibration mode under eachorder mode and a base shear curve, establishing a second-order elastic-plastic differential power time-history equation of a single-degree-of-freedom system according to a first period of the structure, repeatedly adjusting peak accelerations of different ground motions, and extracting a ground motion peak acceleration reaching a performance level; and evaluating earthquake motion based on performance levels. According to the method, the concept of intensity is abandoned, the seismic oscillation evaluation of the building scheme design stage performance is completed directly based on the performance level, the intensity uncertainty is overcome, the calculation precision is greatly improved, and the evaluation method is more scientific.

The invention discloses a method for evaluating the cold endurance of anthurium andraeanum at the flowering stage. In the method, in a natural low-temperature environment, natural environment low-temperature stress is conducted on the variety of anthurium andraeanum at the flowering stage, the cold damage indexes of leaf stalks, leaves, flower stalks and bracts are counted according to the morphologic expression of cold damage of the variety of anthurium andraeanum to be evaluated, on the basis, a main component integrate scoring formula is established, through the formula, a cold endurance integrated score is calculated, and the cold endurance of the variety is evaluated in combination with clustering analysis. Based on the winter natural low-temperature environment, evaluation is conducted, the winter natural low-temperature environment is close to the growth environment of anthurium andraeanum, and a complex evaluating reagent is not needed; in the method, the expression of the colddamage of the leaf stalks, the leaves, the flower stalks, the bracts and other organs is involved, investigation is comprehensive, operation is easy, costs are low, and evaluating results are stableand favorable to guidance for breeding and large-scale production of the low-temperature-resistant variety of anthurium andraeanum.

The invention provides a sponge city water-logging degree evaluation method based on water-logging power impulse. An index system which comprises instantaneous partial city water-logging indexes, comprehensive partial water-logging indexes, partial overall water-logging index standard values, and the like and is used for evaluating city water-logging degrees, and a specific calculation and analysis method of the system are established; with reference to analysis and display of engineering cases, the index system is capable of effectively reflecting time and space distribution characteristics of water logging; due to dimensionless quantity of the index values, a scientific method for expressing water-logging degrees is established, and the evaluation method can be relatively scientific; thewater-logging degrees of water-logging points of a city can be effectively reflected through the calculated comprehensive partial water-logging indexes, the overall water-logging degree of the city can be effectively evaluated through calculated partial overall water-logging design values, the overall reasonability of water-logging prevention design of LID (Low Impact Development) measures can bedescribed through average values of calculated overall partial water-logging index standard differences, and partial distribution nonuniformity of water-logging can be effectively reflected through calculated overall partial water-logging index standard differences and variant coefficients, so that reference is made for sponge measure design and evaluation on LID measures and the like; in addition, planning design reasonability can be evaluated by using the two indexes, so that the evaluation method can be relatively scientific and reasonable.

The invention relates to an agricultural distribution network input-output assessment method based on a public service value model. The method includes the steps: firstly, building an input-output assessment index system; secondly, calculating scores of various indexes among assessment indexes; thirdly, weighting the various indexes to obtain output performance and dividing the output performanceby invested cost to obtain cost effectiveness; finally, performing four-quadrant division on assessment objects in two dimensions of the output performance and the cost effectiveness and making comprehensive assessment. By the design, comprehensiveness and scientificity of assessment are effectively improved.

The invention provides an expressway traffic lane pavement condition evaluation method, which comprises the following steps of performing standardization on acquired data, eliminating adverse effects of various indexes on an analysis result due to different units, and obtaining a standardized matrix; processing the standardized matrix, eliminating the correlation influence between the original data, and obtaining a correlation coefficient matrix; according to the correlation coefficient matrix, obtaining characteristic values and contribution rates capable of representing all components of the original data; extracting components capable of representing most information of the original data as main components, and solving characteristic vectors corresponding to characteristic values of the main components according to a feature equation; and representing comprehensive evaluation indexes by using principal components and weights, and establishing comprehensive index evaluation grades in combination with corresponding road index grade division standards. The problem that the evaluation result is inaccurate due to the fact that lanes are not distinguished in the current expressway pavement evaluation process is solved, and expressway pavement evaluation is more refined.

The invention discloses an urban and rural passenger transport service quality evaluation method based on CPQ&OSQ. According to the method, an urban and rural passenger transport service quality evaluation system is established from two aspects of the passenger perception quality (CPQ) and the organization support quality (OSQ). According to the organization support quality evaluation method, an evaluation system including 5 first-level evaluation indexes and 23 second-level evaluation indexes is constructed, the weight of each index is determined by utilizing the analytic hierarchy process (AHP), and the organization support quality is evaluated by adopting a fuzzy comprehensive evaluation method. The level of the urban and rural passenger transport service quality is determined through the evaluation results of the two aspects of the passenger perception quality (CPQ) and the organization support quality (OSQ), the service quality evaluation result is divided into three levels of the three-star level, the two-star level and the one-star level, and the level division standards are formulated. The technical problem that there is no evaluation method especially for the urban and rural passenger transport service quality in our country at present can be solved by the method.

The invention relates to the technical field of food analysis, and specifically discloses a biogenic amine-based pork freshness evaluation method. The method comprises the following steps: (1) the content of biogenic amine in pork is measured; and (2) whether the content of biogenic amine is within a limit range is judged; if the content of biogenic amine is in the limit range, the pork is judgedto be fresh pork; and if the content of biogenic amine exceeds the highest value in the limit range, the pork is judged to be rotten or about to be rotten, wherein the biogenic amine is tyramine , cadaverine and putrescine. Tyramine , cadaverine and putrescine are used as evaluation indexes for the first time for pork freshness evaluation, and the evaluation method is scientific, accurate and reliable.

The invention relates to a threshing and redrying processing quality comprehensive evaluation method based on multivariate statistics. The threshing and redrying processing quality comprehensive evaluation method comprises the following steps: (1) determining evaluation indexes; (2) factor analysis: carrying out KMO and Bartlett inspection on evaluation index data of threshing and redrying of different batches, and carrying out factor analysis if the inspection is passed; dimensionality reduction is carried out on the evaluation index data, and main factors with lambda larger than 1 are extracted; analyzing the load matrix of each main factor, determining a score model of each main factor, and calculating main factor scores of threshing and redrying of different batches; and (3) clusteringanalysis: carrying out clustering analysis according to the scores of the main factors of threshing and redrying of different batches, and analyzing the change condition of the threshing and redryingprocessing quality of each type according to the clustering condition of the system. The evaluation method provided by the invention is scientific and visual, the threshing and redrying processing quality is effectively judged, and a theoretical support basis is provided for improving the threshing and redrying processing quality and averaging processing; the method is suitable for evaluating andcomparing the threshing and redrying quality between batches.

The invention belongs to the technical field of urban soil greening. The invention relates to the technical field of urban relocation, and discloses an urban relocation land greening obstacle degree evaluation method, which comprises the following steps: determining evaluation indexes according to the actual situation of an urban relocation, establishing a target layer, a project layer and an index layer to form an evaluation system, and respectively carrying out weight setting on each item of the project layer and the index layer to more scientifically express the real effect of each item ofindexes; and aiming at different properties, quantities, units and the like in the index layer, standardizing the indexes by establishing a mathematical model, and enabling each index to be in the same mathematical system, so that standardized calculation is facilitated.

The invention provides a method for preprocessing a vibration signal of a mechanical component with a missing value. The method comprises the following steps: the step 1, calculating a root-mean-square of an original vibration signal by using a feature extraction method; the step 2, establishing an exponential stochastic regression model, and estimating model parameters; the step 3, interpolating a root mean square missing value of the vibration signal based on Monte Carlo simulation; the step 4, interpolating the missing value of the original vibration signal; and the step 5, carrying out quality analysis on the vibration data of the mechanical component. According to the method, the integrity and authenticity of original data are guaranteed, the process fo the method has low calculation requirements on model parameters, iterative calculation is not needed, parameter estimation has an analytical expression, the calculation efficiency is high, the method is scientific, the manufacturability is good, and the method has wide popularization and application value.

The invention discloses a tree shrew behavioristic evaluation method. The method combines the method for hiding the food of a tree shrew by using a food hiding box, an experimental tree shrew selecting and training method and a study and memory scoring method. The characteristic that the tree shrew is developed in vision is utilized, the food of the tree shrew is hidden in the food hiding box, color marking and training are carried out, a whole experiment is carried out under the conditions that no stimulation influence factor exists, and comparison on behavior changes of the tree shrew is carried out through the average score of the tree shrew before and after the experiment is started. More scientific, comprehensive and objective evaluation results can be obtained through the tree shrew behavioristic evaluation method. The used materials are cheap and easy to manufacture, operation is convenient, and the evaluation method is scientific.

The invention provides a method for evaluating the service life of an organic coating in a seawater total immersion environment by considering the influence of temperature and chloride ions. The method comprises the following implementation steps: 1, establishing an aging model of the organic anticorrosive coating; 2, establishing an environment profile of the coating structure in the service period; 3, fitting a distribution function of a reaction constant theta; 4, determining a coating electrochemical parameter failure threshold according to the natural environment data; and 5, evaluating the reliability of the organic coating by using a stress-strength interference theory. Through the above steps, a coating accelerated aging test and environmental factor correlation model is integrally established for a qualitative logic relation and a quantitative model method for organic coating reliability assessment; the definition of the service life and the reliability of the organic coating is realized, so that the failure criterion of the organic coating system is more timely, accurate and reasonable; according to the invention, the measurement parameters of the coating structure are electrochemical parameters, the test method is simple, the operation is convenient, and the structure is not damaged.

The invention discloses a method suitable for evaluating weights of factors affecting power network planning decision-making. The steps are as follows: (1), obtaining influence factors through a Delphi technique method, and according to the understanding of each expert in the factor affecting power network development decision-making, determining each specific factor affecting the decision-making in a power network planning process; (2), through a two-dimensional matrix method, defining the influence probability grade, the influence value grade, the influence grade and the attention grade of each influence factor in step (1), and defining different values for different grades; and (3), for the values corresponding to the influence probability grade, the influence value grade, the influence grade and the attention grade of each influence factor, through a Borda sequence value method, calculating the Borda value of the influence factor, and sequencing the Borda value of each influence factor so as to finish weight calculation. The method provided by the invention realizes conversion of qualitative analysis of the factors affecting the power network planning decision-making into quantitative calculation, and is more scientific and more reasonable.

The invention relates to a method for evaluating the activity of dietary polysaccharide. The method comprises the following steps: adding dietary polysaccharide into a microbial culture medium as a carbon source, culturing the dietary polysaccharide and fecal microorganisms at 37 DEG C for 24 hours under an in-vitro anaerobic condition, performing centrifuging at 10000rmp, passing through a 0.22 [mu]m membrane, collecting fermentation liquor, and detecting metabolites of the dietary polysaccharide by using metabonomics. Caco-2 cells are planted in an upper chamber and Caco-2 cells for evaluating the activity of the dietary polysaccharide are planted in a lower chamber by using a Transwell technology; after the fermentation liquor is added into an upper chamber cell culture medium to be cultured for 24 h, liquid phase, gas phase or metabonomics and other means are used for detecting which metabolites can penetrate through a Caco-2 monolayer cell model, and related indexes of lower chamber cells are measured. The method provided by the invention can be used for systematically and scientifically evaluating the biological activity of the dietary polysaccharide.

The invention relates to an energy efficiency evaluation method of a canned motor pump for heating, in particular to an energy utilization efficiency fine evaluation method of a canned motor pump forheating when conveyed liquid is used for cooling a canned motor pump motor. The energy efficiency evaluation method is technically characterized in that the sum of the internal energy increment of thecooling liquid for cooling the motor part of the canned motor pump and the mechanical energy increment of the conveyed liquid serves as effective work, and the efficiency of the canned motor pump forheating is calculated according to the ratio of the effective work in unit time to the input power of the motor. According to the energy efficiency evaluation method, the efficiency of the canned motor pump for heating is directly calculated according to factors such as operation flow, a pump performance curve, a motor efficiency curve and cooling flow channel design of a motor part; the energy efficiency index of the canned motor pump for heating can be evaluated objectively and scientifically; a technical basis is provided for operation state monitoring and safe operation control of the canned motor pump in a municipal heating and ventilation system in actual engineering; and application and popularization of the canned motor pump are facilitated.

The invention discloses an urban bridge operation management safety evaluation method, which comprises the following steps: acquiring bridge basic information, and scoring the bridge basic information to obtain a plurality of safety indexes; obtaining a plurality of first-level risk index weights, a plurality of second-level risk index weights and a plurality of third-level risk index weights through an analytic hierarchy process; and based on the plurality of safety indexes, the plurality of first-level risk index weights, the plurality of second-level risk index weights and the plurality of third-level risk index weights, calculating to obtain the safety index of the urban bridge. According to the method, the current urban bridge operation safety condition can be clearly and visually mastered, so that the safety, reliability, high efficiency and smoothness of the bridge are ensured, and the method has the characteristics of specialty, high accuracy, more comprehensive evaluation angle, low detection cost and short detection period, is not easily influenced by human factors, and is more scientific in evaluation mode.

The invention relates to a method for evaluating immunization effect of vaccine used in breeder birds and egg birds (breeder (egg) birds for short) based on egg laying protection index, belonging to the field of preventive veterinary medicine. According to the method, the laying rates of breeder (egg) birds are set as an examination object, and the immunization performance index of bird vaccines in protecting breeder birds and egg birds from resisting pathogenic microorganism hazards and keeping good egg laying performance is evaluated by comparing the laying rate difference of vaccine immunized breeder (egg) birds and non-immunized breeder (egg) birds after being attacked by the corresponding pathogenic microorganisms. The evaluation method established by the invention is simple, accurate and scientific, is not only used for visual and scientific evaluation of the immunization effect of a vaccine with egg laying performance as index, but also used for determination of the virulence of a pathogenic microorganism which does not cause death of breeder birds (egg) birds but has an impact on the egg laying performance, so as to overcome the difficulty in method for virulence test, vaccine immunogenicity determination and vaccine immunization effect quantitative evaluation. The method of the invention fills the gap in China and abroad.

The invention discloses a method for evaluating fragrance of spices, which comprises the following steps: crushing dried spices, adding distilled water to extract volatile oil, and carrying out GC-MS detection and GC-O analysis on the volatile oil. The evaluation method provided by the invention is used for evaluating the flavor components of the spices, so that the defect that the traditional sensory evaluation result is easily influenced by subjectivity is effectively overcome, and the evaluation method is not only suitable for various spices, but also objective, comprehensive and scientific. The GC-MS can identify and analyze volatile flavor substances in the spices, and qualitative and quantitative analysis is carried out on the flavor substances, so that the difference of the content of the flavor substances among different samples is compared. And GC-O can be used for analyzing aroma active components in the spices, so that the aroma substance making the biggest contributions in the spices is known, and comprehensive and effective evaluation on the aroma of the spices is realized.