38results about How to "Rich evaluation methods" patented technology

The invention provides a seat comfort objective parameter evaluation method. The seat comfort objective parameter evaluation method is characterized by comprising the following steps of measuring and collecting objective parameters of pressure, angle, myoelectricity, temperature and humidity, enabling a subject to change the leaning and pitching angle periodically on a seat, setting a unified time axis, and guaranteeing to synchronously collect the changes of the objective parameters on the unified time axis; processing the collected object parameter changes, then using data analyzing software under the unified time axis to pair the objective parameter changes and detect a sample t, and obtaining the correlation among the objective parameters and the obvious differences between the leaning and pitching angle of the human body and the objective parameters, and among the objective parameters through analysis; and analyzing the results and obtaining an evaluation conclusion based on the human body data of the subject and human body comfort standard parameters serving as the objective evaluation indexes of the comfort of the seat.

The invention relates to a comprehensive evaluation method for the effectiveness of in-use safety helmets of operation personnel of metallurgical enterprises. The method comprises the steps of establishing a comprehensive evaluation index system for the effectiveness of the in-use safety helmets, constructing a factor set and a weight set of evaluation indexes at various levels, and determining weight vectors and weights of factors included in the evaluation indexes at various levels by using an analytic hierarchy process; determining a membership degree of all third-level indexes to comment set elements according to an established comment set, constructing an evaluation matrix, corresponding to the third-level indexes, of all second-level indexes , and conducting first-level fuzzy evaluation by utilizing the evaluation matrix, corresponding to the third-level indexes, of the second-level indexes and the weight vectors of the factors included in the second indexes; conducting second-level and third-level fuzzy evaluation on first-level indexes and evaluation targets in sequence, and determining the safety levels of the evaluation targets according to third-level fuzzy evaluation results of the evaluation targets. Compared with existing evaluation methods, the method has the advantages that the effectiveness of the in-use safety helmets in the metallurgical enterprises is more comprehensively, reasonably and accurately evaluated, and a clear direction is pointed out for improving the effectiveness of the in-use safety helmets of the evaluation objects.

The invention discloses a plugging and unplugging effect evaluation method for a plugging material. The method comprises the steps of S1 preparing a plurality of core columns with different crack widths, the core columns are made of stainless steel, and the crack width is in a range of 0.05 to 8 mm; S2 injecting a liquid plugging material into the crack of one of the core columns, maintaining under the simulated formation temperature and pressure condition, and obtaining the core column solidified by the liquid plugging material after the maintenance is completed; S3 carrying out plugging evaluation on the core column prepared in the step S2 by adopting a dynamic damage evaluation instrument; S4 performing a dynamic acid dissolution experiment on the core column prepared in the step S2 to obtain the mass, the acid dissolution depth and the gas logging permeability of the core column after acid dissolution; and S5 carrying out a static acid dissolution experiment on the core column or the consolidation block of the liquid plugging material prepared in the step S2, and recording the acid dissolution soaking time and the mass of the core column or the consolidation block after acid dissolution. According to the invention, the plugging and unplugging effects of the plugging material can be evaluated with high precision.

The invention relates to an emission test and evaluation method for non-road mobile machinery. The method comprises the following steps: obtaining characteristic working conditions and time proportions of various non-road machines through clustering; designing an arrangement scheme of the measuring device according to the type, the structural characteristics and the exhaust characteristics of a non-road machine to be tested; designing an operation scheme of the non-road machine according to the characteristic working condition; measuring operating parameters, exhaust parameters and emission parameters of the non-road machine under different characteristic working conditions; calculating a gaseous substance emission factor and a particulate matter emission factor, and analyzing change characteristics of particle components; and carrying out feature evaluation on the non-road machine. Compared with the prior art, the multi-source isomerism of the non-road machine is considered, a measurement device arrangement scheme with high pertinence is designed according to the type, structural characteristics and exhaust characteristics of the non-road machine, and a more representative operation scheme is designed according to the exhaust characteristics of the non-road machine; and the emission test requirement and the actual application condition of non-road mobile machinery are met.

The invention relates to a method for evaluating shape memory performance of gutta-percha modified asphalt, belongs to the technical field of asphalt pavement materials and aims to solve the problemsthat the existing method for testing the shape memory property of gutta-percha modified asphalt is single, the characterization method is lacked, the related test operation is complicated and the optimal formula is difficult to determine. The method comprises the following steps of firstly, preparing gutta-percha modified asphalt, and processing the gutta-percha modified asphalt into a cuboid testpiece; then, testing by using a torsion device for testing the shape memory performance, and measuring the torsion angle of the gutta-percha modified asphalt after different operation steps from torsion to recovery; and finally, calculating the fixation rate and the recovery rate of the gutta-percha modified asphalt, evaluating the shape memory performance of the gutta-percha modified asphalt, and further optimizing the formula and the preparation process of the gutta-percha modified asphalt according to the evaluation. The shape memory performance evaluation method provided by the inventionnot only solves the problem that the shape memory performance test method of the gutta-percha modified asphalt is lacked at present, but also enriches the shape memory performance evaluation method ofa shape memory polymer.

The invention discloses a multi-parameter-based large and medium-scaled low lift vertical-type water pump set state evaluating method, and belongs to the technical field of the water pump set state evaluation. The method comprises the following steps: through decomposing a large and medium-scaled low lift vertical-type water pump set, decomposing as a main motor with 9 parts and a main water pumpwith 6 parts, generating a state quantity of each part through comprehensive patrol data, testing data, monitoring data and online monitoring data, grading each state quantity, and respectively evaluating operating states of the main motor and the main water pump through using a comprehensive deducting score method. The method is clear in principle, and capable of clearly reflecting the operatingstate of the water pump set, and ensuring safe operation. Compared with traditional point inspection test evaluation, the method provided by the invention is more comprehensive in evaluation parameter, and capable of providing effective basis for maintenance of the water pump set, reducing a lot of labor cost, and overcoming defects that a monitoring range is small, and an experienced operation manager who regularly performs scientific and rational comprehensive evaluation and maintenance on a pump station is lacking.

The invention discloses an agricultural product origin environment risk evaluation method. The method comprises the following steps: step 1, establishing an agricultural product origin environment risk evaluation index system; (1) consulting data and determining a hierarchical structure of an agricultural product origin environment risk evaluation index system; (2) carrying out primary selection of evaluation indexes, and preliminarily constructing an index system framework; (3) screening the indexes by adopting a Delphi expert consultation method, and determining an evaluation index system framework; (4) determining the weight of each evaluation index by adopting an analytic hierarchy process; (5) determining a classification reference value of each evaluation index, and completing the construction of an environmental risk evaluation index system; and 2, determining the risk grade of the agricultural product origin environment by applying a comprehensive evaluation method. The methoddisclosed by the invention is suitable for environmental risk evaluation of different types of agricultural product production places, and the method is complete in system, simple and convenient in evaluation process, visual in evaluation result and good in applicability.

The invention discloses an identification method for early bolting resistance of winter spring radishes of greenhouse cultivation, and belongs to the technical field of breeding and seed selection of plants. The identification method for early bolting resistance of the winter spring radishes of greenhouse cultivation is provided by selecting five radish varieties which are selected from conventional or determinate varieties of various regions or commercially-available commodity varieties, and have obvious gradient difference in early bolting resistance to serve as standard varieties. Interior leaf wax powder showing, interior leaf normal or slimness, flower bud showing and scape or shoot length, flowering, the degree of edible maturation stage of root weight are used for serving as morphological indexes of the identification method for early bolting resistance of the winter spring radishes of greenhouse cultivation, and the identification method for early bolting resistance of the winter spring radishes of greenhouse cultivation which comprises six grades of early bolting resistance research grading standards and five early bolting resistance evaluation grades is formed. The identification method for early bolting resistance of the winter spring radishes of greenhouse cultivation can be used for carrying out quantitative evaluation on early bolting resistance of varieties used in current production to identify strength of early bolting resistance of the varieties, can provide bases for reasonable utilization and scientific planting, can further provide technical support for breeding of the winter spring radishes, and can speed up the course of breeding of the winter spring radishes.

The invention discloses a vertical method fabric capillary effect evaluation device. The device consists of a capillary effect test bin (6), a device function control box (5), a data display screen (2), an input device and a yardage roll sample bin (8); the capillary effect test bin (6) is arranged on the device function control box (5), the yardage roll sample bin (8) is arranged over the capillary effect test bin (6), an airtight bin door (1) and a bin door switch (4) thereof are arranged on the capillary effect test bin (6), and a yardage roll shaft (9) is arranged in the yardage roll sample bin (8). A camera (11) in the capillary effect test bin (6) is used for collecting a liquid level boundary line on the fabric; the wicking height and a wicking image of the fabric are measured and obtained, the image is analyzed to evaluate the water guiding performance of the fabric, a tension induction motor module (24) in the yardage roll sample bin (8) drives the yardage roll shaft (9) to move intermittently, and batch testing of the wicking water guiding performance of the fabric is achieved.

The invention discloses a friction lubrication performance evaluation method for casting powder of a continuous casting mold. The method comprises the following steps: acquiring the temperature of each surface region of an ingot blank in a withdrawing process, thermal contact resistance between each surface region and a corresponding casting powder interface and the thermal liquid powder resistance of the casting powder; calculating the shear stress of solid powder and liquid powder interfaces of the casting powder according to the acquired temperature of each surface region, the thermal contact resistance between each surface region and the corresponding casting powder interface and the thermal liquid powder resistance of the casting powder, thereby obtaining the shear stress of the solid powder and liquid powder interface corresponding to each surface region; acquiring the breaking strength of the casting powder; comparing the shear stress corresponding to each surface region with the breaking strength of the casting powder; if the shear stress corresponding to a certain surface region is lower than the breaking strength of the casting powder, calculating the friction stress of the surface region of the ingot blank according to a formula (1); if the shear stress corresponding to a certain surface region is more than or equal to the breaking strength of the casting powder, calculating the friction stress of the surface region of the ingot blank according to a formula (3).

The invention discloses an enterprise ESG rating method based on a weight distribution model. The method comprises the following steps: 1), carrying out the industry division, and compiling an ESG score table corresponding to each industry, and the ESG score table comprises a qualitative index and a quantitative index; 2) scoring quantitative indexes and qualitative indexes of all enterprises to be evaluated based on the ESG scoring table in the step 1); 3) calculating the qualitative index and quantitative index scoring data obtained in the step 2) by adopting a weight distribution model to obtain the ESG total score of all to-be-evaluated enterprises; and 4) ranking the ESG total scores of all the to-be-evaluated enterprises according to the step 3), and giving an ESG evaluation grade according to a ranking result. According to the enterprise ESG rating methodology, the ESG performance of all enterprise subjects on the market can be measured, and then the sustainable development level of the enterprise is reflected by providing the ESG rating of the enterprise.

The invention relates to an effect evaluation method for a secondary air bellow flow field of a opposite coal-fired boiler after transformation. The method comprises the following steps: in a thermalstate, testing the relative standard deviation of section velocity field distribution at a pre-mounted measuring hole section before and after transformation; testing the pipe wall temperature of a main heating surface before and after transformation, and forming a comparison distribution diagram; testing flue gas components of the outlet section of an economizer before and after transformation, and forming a contrast distribution diagram; and testing the reducing atmosphere of a water-cooled wall surface in a furnace before and after transformation. The uniformity of the pipe wall temperatureis judged by adopting the distribution curve of the pipe wall temperature; the corrosion degree is judged by checking the thickness of the pipe wall and the reducing atmosphere of the water-cooled wall in the furnace in the hot state when the furnace is shut down; the uniformity of the flow field is judged by adopting the temperature and speed distribution relative standard deviation, reference is provided for the evaluation method of the secondary air bellow flow field of the same type of unit after transformation, and the original evaluation method is enriched.

The invention provides an electric drive product comprehensive efficiency evaluation method, which comprises the following steps: carrying out a bench test on a to-be-evaluated system to respectively obtain system efficiency data of the to-be-evaluated system in a driving mode and a braking mode; counting the actual operation data of the whole vehicle working condition of the vehicle of the same type as the to-be-evaluated system in a preset time period through a cloud platform or an actual vehicle following mode; and integrating the system efficiency data and the actual operation data, and analyzing to obtain a comprehensive energy consumption evaluation result of the to-be-evaluated system. According to the invention, the efficiency of the electric driving system of the whole vehicle under different working conditions is taken into consideration, comprehensive efficiency evaluation is carried out on the to-be-evaluated electric driving system through evaluation indexes of multiple dimensions, and a more comprehensive evaluation method is provided for the comprehensive efficiency evaluation system of the electric driving system.

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 belongs to the technical field of nuclear radiation evaluation, and relates to a method for calculating the biological radiation dose of inert gas. The calculation method comprises the following steps: (1) calculating the radioactive activity concentration of inert gas in air according to an inert gas emission source item of a nuclear facility and surrounding environment conditions of a factory site; (2) carrying out terrestrial ecological environment survey around a factory site, and determining a reference organism type; (3) calculating the internal irradiation dose rate of the reference organism according to the radioactive activity concentration of the inert gas in the air, the concentration factor and the internal irradiation dose rate conversion factor; (4) calculating the external irradiation dose rate of the reference organism according to the radioactive activity concentration of the inert gas in the air, the residence factor and the external irradiation dose rate conversion factor; and (5) calculating the total dose rate according to the internal and external irradiation dose rates of the reference organism. By utilizing the calculation method provided by the invention, the blank in China can be filled, and the calculation method of the inert gas biological radiation dose is provided.

A method for evaluating the efficacy of a composite insulating, cleaning and repairing agent is disclosed. Cleaning and repairing effects and composite insulating applicability of the cleaning and repairing agent are inspected comprehensively, wherein cleaning and repairing effects of the composite insulating, cleaning and repairing agent are compared with cleaning and repairing effects of commonorganic solvents and water during evaluation of cleaning and repairing effects so that a test result is more credible. Evaluation of composite insulating applicability requires each index to be qualified. The invention provides the method for scientifically evaluating the performance of the composite insulating, cleaning and repairing agent, solving the problem of absence of efficacy evaluating methods for the composite insulating, cleaning and repairing agent, and providing a reference for selecting a composite insulating, cleaning and repairing agent product.

The invention discloses a flow measurement tool for a small section, which comprises a central pipe (1), a flow dividing head (2) and an outer ring pipe (3), wherein the end part of the central pipe (1) is provided with a circular baffle plate (4), the flow dividing head (2) is sleeved outside the central pipe (1) at the back of the baffle plate (4), the outer circumference of the end part of the outer ring pipe (3) is provided with an annular check ring (5), the outer ring pipe (3) is sleeved outside the central pipe (1) at the back of the flow dividing head (2), the baffle plate (4) is provided with axial through holes A (10) along a circumferential direction in an evenly distributed way, axial through holes B (11) are evenly distributed on the flow dividing head (2), axial through holes C (12) are evenly distributed on the check ring (5) along a circumferential direction, a flow dividing part of the flow dividing head (2) is provided with radial through holes A (13) along a circumferential direction in an evenly distributed way, and the central pipe (1) is provided with radial through holes B (14) along a circumferential direction in an evenly distributed way. The flow measurement tool for the small section has the following beneficial effects that: the detection of the flow rate of a random small section of a shaft is realized; the flow measurement tool for the small section has the function of flow measurement in a flow dividing way; and moreover, the structure is simple, the cost is low, and the operation is convenient.

The invention discloses a horizontal well cross-layer fracturing feasibility evaluation method, comprising the following steps: S1, establishing a single well geologic model; S2, simulating an artificial fracture propagation rule; S3, performing cross-layer fracturing feasibility judgment; S4, analyzing the trafficability of the sand-carrying fluid in the mudstone interlayer artificial fracture; S5, performing experimental evaluation of the flow conductivity of different sand paving concentrations in the mudstone interlayer; and S6, comprehensively evaluating the feasibility of cross-layer fracturing. The horizontal well cross-layer fracturing feasibility evaluation method can evaluate whether adjacent hydrocarbon reservoirs can be considered or not while fracturing transformation of the target hydrocarbon reservoir is performed, can scientifically evaluate the trafficability of the sand-carrying fluid in the mudstone interlayer artificial fracture and the mudstone interlayer fracturing flow conductivity, can accurately analyze whether the adjacent oil and gas reservoirs can realize sand filling and whether the flow conductivity of mudstone interlayers after fracturing can meet therequirements of oil and gas seepage or not, and provides a reliable, comprehensive and scientific evaluation method for the feasibility of field implementation of the horizontal well cross-layer fracturing technology, and by means of the method, evaluation before fracturing and analysis and judgment after fracturing can be conducted at the same time.

The invention belongs to the field of medicines, and particularly relates to a method for establishing an in-vitro model of central nervous system organophosphorus compound poisoning, which comprisesthe following steps: (1) obtaining a transwell in-vitro blood brain barrier model; (2) sequentially adding an acetylcholinesterase solution with the concentration of 0.065-0.20 mg / ml and an organophosphorus compound solution with the volume percentage concentration of 0.5 * 10 <-8 >-10 <-3 > into the lower pool of the transwell in-vitro blood brain barrier model according to the volume ratio of (1-10): 1, and standing for 1-10 minutes; and obtaining an in-vitro model of central nervous system organophosphorus compound poisoning. The invention also relates to a method for evaluating the efficacy of the acetylcholin esterase heavy activator in vitro. The in-vitro model effectively simulates the poisoning condition of the organophosphorus compound of the central nervous system, and the evaluation method can accurately and quickly evaluate the curative effect of the acetylcholin esterase heavy activator.

The invention provides a mechanical operation evaluation method based on the Internet of Things, and the method comprises the following steps of S1, carrying out data collection on the surrounding environment for mechanical operation through an environment data collection terminal, and importing the data into a data processing module; and S2, collecting data via a mechanical data acquisition terminal. According to the mechanical operation evaluation method based on the Internet of Things, an agricultural operation mechanical development level evaluation index system is established through a cloud server, the mechanical development level evaluation index parameters in each grid unit are obtained through the spatial interpolation calculation, evaluation content is obtained through the processing of the data processing module; the collection and detection content is wide, data are comprehensive, various information, such as agricultural product production quality, etc., can be reflected, the mechanical operation content is comprehensively evaluated, a measurement method is simplified, and the data processing efficiency is improved; the informatization technologies, such as the Internet, the Internet of Things, big data, etc., are effectively applied to the agricultural machinery operation services.

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.

The invention belongs to the field of unconventional oil-gas exploration and development, and discloses a method for determining the clay mineral content of a shale gas reservoir. According to the method, based on the relation between the shale gas reservoir deposition water depth and the shale gas reservoir clay mineral deposition velocity, the shale gas reservoir clay mineral content is quantitatively calculated through natural gamma-ray spectrum logging information. The method comprises the following steps: calculating a thorium-uranium ratio curve by using thorium and uranium curves of natural gamma-ray spectrum logging; analyzing and determining a linear positive correlation between the clay mineral content and the thorium-uranium ratio curve in a semi-logarithmic coordinate system; and establishing a relational expression between the thorium-uranium ratio curve and the clay mineral content of the shale gas reservoir, and realizing quantitative calculation of the clay mineral content. The method has good universality for marine facies and continental facies shale gas reservoirs, model parameters or regression coefficients do not need to be determined for specific regions, specific wells and specific layers (sections / groups), and an effective technical means is provided for quantitative evaluation of unconventional shale gas reservoir parameters.

The invention relates to a coal resource sustainability evaluation method. According to the invention, a sustainability evaluation index system and a coordination evaluation model index system are constructed respectively, the sustainability of the coal resources is comprehensively evaluated by utilizing a sustainability evaluation index and a coordination evaluation model index, and the respective determinacy of the sustainability evaluation index and the coordination evaluation model index is respectively determined, so that the randomness and fuzziness of the system are considered. According to a coal industry ecological coordination model, a relationship between coal industry development and ecology is established, and the sustainable development condition of the coal resources in eachprovince is evaluated by utilizing a sustainability index determined by a sustainability comprehensive evaluation value and a coordination comprehensive evaluation value, so that a brand-new and morecomprehensive evaluation method is provided for evaluating the sustainability of the coal resources, and the accuracy of evaluating the sustainability of the coal resources is improved.