33results about How to "Short evaluation period" patented technology

The invention provides a method and system for coverage performance evaluation of an antenna. The method comprises the following steps that: sweep frequency data of a testing sampling point related to a target evaluation antenna are obtained; the testing sampling point is mapped to an antenna evaluation coordinate system according to the sweep frequency data; a sample statistic unit of the antenna evaluation coordinate system is obtained, wherein the sample statistic unit contains one or more testing sampling points; actual measurement signal field intensity and theoretical signal field intensity of the target evaluation antenna in the sample statistic unit are obtained; according to the actual measurement signal field intensity and the theoretical signal field intensity of the target evaluation antenna in the sample statistic unit, a preset antenna coverage performance parameter of the target evaluation antenna is evaluated. According to the invention, under the circumstances that the running of the existing network is not influenced, the coverage performance of the antenna can be evaluated accurately and rapidly.

The invention relates to the technical field of biological valves, and provides an in-vitro biological valve calcification evaluation method. The evaluation method comprises the following steps: preparing a calcification evaluation solution; pre-heating a RCI solution; carrying out a PRIC treatment; preserving a sample; carrying out in-vitro calcification reactions; and detecting the calcium quantitatively. The anti-calcification factor solution comprises an alcohol reagent (A), an alkali solution (B), a reagent of grease and derivatives thereof (C), and a buffer solution (D). The provided evaluation method has the advantages of short evaluation period, reduced evaluation steps, and saved evaluation cost. At the same time, the anti-calcification factor solution is used to treat biological valve chemically to enclose some free chemical groups, thus the binding strength between biological valve and calcium ions is reduced, the calcium content of biological valve is reduced, and the anti-calcification performance of the biological valve is enhanced. The provided in-vitro biological valve calcification evaluation method can rapidly and effectively judge the biological valve anti-calcification performance after a chemical treatment.

The invention discloses a degradation assessment method of a heat resistant steel part. The degradation assessment method comprises the steps that step a, a miniature sample of the heat resistant steel part is obtained; b, the miniature sample is detected through at least one detection technique, and a first detection result is obtained; c, a sample of the heat resistant steel part is detected, and a second detection result is obtained; and d, the matching incidence relation of the first detection result and the second detection result is determined, a database is built up, the second detection result which is matched with the first detection result can be looked up through the database, and the degradation levels of the heat resistant steel part represented by the matched first detectionresult and the second detection result are the same. The degradation assessment method of the heat resistant steel part can effectively solve the problems that an existing degradation assessment method of the heat resistant steel part is high in cost and long in assessment period, and the recovery difficulty of a workpiece after destructive sampling is conducted is high.

The invention discloses a lightning arrester aging life evaluation method combining an electrical test with microanalysis. The method comprises the following steps of A, selecting a plurality of to-be-tested resistance sheets for evaluation and separately testing chemical components and phase structures of the to-be-tested resistance sheets; B, on the basis of a test result in step A, matching a corresponding aging characteristic curve in a pre-constructed aging characteristic database as a first aging characteristic curve; C, selecting a plurality of to-be-tested resistance sheets in a laterrunning stage and carrying out an accelerated aging test to obtain an aging characteristic curve corresponding to the to-be-tested resistance sheets as a second aging characteristic curve; D, using the second aging characteristic curve for correcting the first aging characteristic curve to obtain a third aging characteristic curve; E, testing the electrical parameters of the to-be-tested resistance sheets and calculating the aging life of the to-be-tested resistance sheets according to the actual running load of the to-be-tested resistance sheets on the basis of the third aging characteristiccurve. According to the method, the aging degree of the resistance sheets in different states can be accurately evaluated in a simple mode, and the calculation amount for evaluation is small.

The invention discloses a real sea state testing method for a wave energy device. A wave viewer arranged in the wave-side direction of the sea area where the wave energy device is arranged is used for monitoring the wave condition of the working sea area of the wave energy device; an electric power detector arranged at the power output end of the wave energy device is used for measuring the electric power data of the wave energy device; the acquired wave condition and electric power data are analyzed; power characteristic analyzing areas are partitioned; waves and electric power data, which represent data points in each power characteristic analyzing area, are calculated; a power performance curve of the device is fitted; integrating the history wave data of the sea area where the wave energy device is arranged, the annual energy output of the wave energy device is estimated; the medium energy output efficiency of the wave energy device is calculated. The method has the advantages that the evaluation period is short; the cost is low; scientific reference is provided for technical research and development.

The invention provides an under-well evaluating apparatus for sacrificial anode material. The under-well evaluating apparatus comprises a non-connection hanging parcel set, connection hanging parcel sets, sacrificial anode blocks, product collection tanks and an oil pipe short joint, wherein the upper end of the oil pipe short joint is covered with an upper locking sleeve and the lower end is covered with a lower locking sleeve; the external side of the oil pipe short joint is covered with an insulated lining sleeve; the external side of the insulated lining sleeve is orderly covered with the non-connection hanging parcel set, the connection hanging parcel set and the sacrificial anode block from the top to the bottom; the upper and lower ends of the insulated lining sleeve are both connected with an insulated cushion sheet; the non-connection hanging parcel set is connected with the connection hanging parcel sheet sets via insulated cushion sheets; the connection hanging parcel sheet sets are connected with the sacrificial anode blocks via connection screws; and the lower ends of the sacrificial anode blocks are provided with the product collection tanks. The under-well evaluating apparatus for sacrificial anode material is simply structured, requires low cost, can be easily applied and has short evaluating period; problems that sacrificial anode corrosion products are loosened, easy to be flushed by under-well fluid, peeled and uneasy to be collected can be solved; and protection effect of the sacrificial anode material under different medium conditions can be evaluated.

The invention discloses a method for evaluating the tracking effect of a handle. The method includes: generating initial pose information of the handle in a world coordinate system; first pose information; convert the first pose information of each target point into pixel information of the image coordinate system according to the mapping parameters and distortion parameters of the camera; use the visible target points in the field of view of the camera as effective target points, Using the pixel information corresponding to the effective target point as effective pixel information; calculating the second pose information of the handle in the world coordinate system according to the effective pixel information and the position information of the camera; using the initial pose information and the second pose information to determine the evaluation result of the handle tracking effect. The technical scheme of the invention can conduct preliminary verification on the design of the handle without the need of physical evaluation on all designs, and the verification period is short, fast and low in cost.

The embodiment of the invention discloses an online health influence evaluation method and device, computer equipment and a storage medium. The method comprises the steps of obtaining a to-be-evaluated public policy file issued by government staff; identifying a health influence keyword in the public policy document; sending the health influence keyword to a second terminal, so that the second terminal evaluates the public policy document; obtaining evaluation content from the second terminal; and obtaining matched related literatures from a literature abstract library according to the evaluation content to obtain an evaluation report. By implementing the method provided by the embodiment of the invention, the manuscript review difficulty can be reduced, the potential health influence content in the file can be conveniently identified, the labor workload is small, the evaluation period is short, and the evaluation timeliness is ensured.

The invention relates to a sweet potato processing technique, and in particular relates to a method for evaluating the ethanol output of a fresh sweet potato material, belonging to the technical field of deep agricultural product processing. The method comprises the following steps of: measuring the dry rate value by using a drying method by using fresh sweet potatoes as the raw material, and measuring the starch and protein content values by using a near infrared method or a chemical method; and evaluating the ethanol output of the fresh sweet potatoes according to the dry rate and the starch content and protein content values of the fresh sweet potatoes. The method is short in evaluation period, i.e. the evaluation period is shortened by more than twice, so that a great quantity of labor and material resources are saved; and moreover, the method is strong in practical applicability, and has important guiding significance in breeding of sweet potato varieties special for fuel ethanol.

The invention provides a method for quickly evaluating the service performance of a gearbox cover, comprising the following steps: performing a high-low temperature thermal cycle test on the test gearbox cover; Measure the free flatness, the clamping flatness of the sealing surface, and the depth of the sealing groove, and judge whether the measurement results exceed the corresponding allowable values; calculate the corresponding measurement values ​​and differences before and after the high and low temperature thermal cycle test, and judge the measurement Whether the value and the difference exceed the corresponding allowable value; conduct a tightness test on the gearbox cover after the high and low temperature thermal cycle test. The present invention grasps the deformation of the gearbox cover in the high and low temperature thermal cycle test through various measurement results, and judges whether the gearbox cover is qualified by comparing with the corresponding allowable value, so that the high and low temperature thermal cycle test of the present invention The required time period and the overall evaluation period are relatively short; meanwhile, the present invention is relatively simple in operation and convenient for implementation.

The invention relates to an introduction and screening method for ornamental grass in a coastal salt and alkali area. The method comprises the following steps that salt tolerance, shade tolerance, drought tolerance and flooding tolerance are used as evaluation indexes, and the ornamental grass is evaluated through grey correlation analysis. The method is comprehensive in evaluation index, the actuality of the coastal salt and alkali area is met, the evaluation period is short, the screening period is shortened, and introduction and promotion of the varieties of the ornamental grass in the coastal salt and alkali area are facilitated.

The invention discloses a real sea state testing method for a wave energy device. A wave viewer arranged in the wave-side direction of the sea area where the wave energy device is arranged is used for monitoring the wave condition of the working sea area of the wave energy device; an electric power detector arranged at the power output end of the wave energy device is used for measuring the electric power data of the wave energy device; the acquired wave condition and electric power data are analyzed; power characteristic analyzing areas are partitioned; waves and electric power data, which represent data points in each power characteristic analyzing area, are calculated; a power performance curve of the device is fitted; integrating the history wave data of the sea area where the wave energy device is arranged, the annual energy output of the wave energy device is estimated; the medium energy output efficiency of the wave energy device is calculated. The method has the advantages that the evaluation period is short; the cost is low; scientific reference is provided for technical research and development.

The invention discloses a device for evaluating the explosion risk of sulphide ore dust. The device comprises a box body, and an ignition temperature testing unit, an oxidation speed testing unit and a dust diffusion testing unit which are arranged in the box body, the invention also discloses a method for evaluating the explosion risk of the sulphide ore dust. The method comprises the following steps: 1, adding a sulphide ore dust sample; 2, testing the ignition temperature; 3, oxidation test; 4, testing dispersion performance; and 5, evaluating the explosion risk of the sulphide ore dust. According to the device disclosed by the invention, data of ignition temperature, oxidation performance and dispersion performance are detected and obtained by arranging each test unit, so that a sulphide ore dust explosion risk evaluation result is obtained, and the result accuracy is improved; according to the evaluation method, related indexes of the ignition stage, the explosion development stage and the explosion stage of sulphide ore dust explosion are evaluated respectively and then comprehensively evaluated, the evaluation method is comprehensive and close to the real situation, and the accuracy and reliability of the risk evaluation result of sulphide ore dust explosion are improved.

The invention discloses a turbine blade vibration fatigue simulation part and a design method thereof. The turbine blade vibration fatigue simulation part comprises: a clamping section; an airfoil section fixed on the clamping section and having a symmetrical cross-sectional shape, The vibration stress ratio of the blade back root and the leading edge root in the root of the airfoil section is equal to the blade pot / back dangerous point vibration stress ratio of the designed turbine blade model in the vibration modal analysis, and the length L of the airfoil section is such that The first-order bending natural frequency of the turbine blade vibration fatigue simulation part is the same as the first-order bending natural frequency of the designed turbine blade model; the simulated blade root fillet is set at the connection between the root of the airfoil section and the clamping section, and the radius is the same as The root rounding radii of the designed turbine blade models are the same. The vibration fatigue simulation part of the turbine blade designed by the invention has a simple structure, no complex high-order curved surface, low manufacturing, processing and testing costs, quick acquisition of the vibration fatigue performance of the blade, short evaluation period and low cost.

The invention discloses a method for quickly and simply screening and evaluating a marine antifouling compound. The method comprises the following steps: by using marine bacteria as a tested organism, adding a gelatinizer into a bacterial liquid culture medium, dissolving by heating, cooling, uniformly dispersing the tested compound in the gel solution, uniformly coating the gel solution containing the tested compound on a glass plate to prepare a gel test plate; and putting the gel test plate in seawater in which the tested organism is inoculated, carrying out continuous culture, taking out the gel test plate, rinsing, diluting to the specified volume in a measuring flask, testing the OD (optical density) value or absorbance value, commuting the OD value or absorbance value into antibacterial rate, and comparing the magnitude of the antibacterial rate to evaluate the antifouling property of the tested compound. The evaluation method is simple to operate and easy to implement, has the advantage of short evaluation period, uses the marine bacteria as the tested organism, and can be used for screening the antifouling compounds in the research and development process of marine antifouling paints.

The invention provides a culture method of intestinal organs. The culture method comprises the following steps: 1) mouse intestinal crypt separation; and 2) culturing the intestinal organs. The invention belongs to the technical field of biological safety detection and evaluation, and provides a culture method of intestinal organs capable of overcoming subjective deviation and improving the formation rate of the organs by carrying out clear quality control and condition optimization on fraction and inoculation density determination and the like. The invention further provides application of the intestinal organ in chemical intestinal toxicity testing and a corresponding testing method.

The present invention relates to the technical field of biological valves, and provides an in vitro biological valve calcification evaluation method, which includes the steps of preparation of calcification evaluation solution; RCI solution preheating; PRCI treatment; sample preservation; in vitro calcification reaction; calcium quantitative detection; The anti-calcification factor solution includes: alcohol reagent A, alkali solution B, grease and its derivatives reagent C and buffer solution reagent D; the evaluation method of the present invention has a short evaluation cycle, reduces evaluation procedures, and saves evaluation costs; at the same time The biological valve is chemically treated with the anti-calcification factor solution, some free chemical groups are blocked, and the binding force between the biological valve and calcium ions is reduced, thereby reducing the amount of calcium attached to the biological valve and enhancing the anti-calcification ability of the biological valve; Through the method for evaluating the calcification of the biological valve in vitro of the present invention, the anti-calcification performance of the chemically treated biological valve can be quickly and effectively judged.

The invention provides a method and system for coverage performance evaluation of an antenna. The method comprises the following steps that: sweep frequency data of a testing sampling point related to a target evaluation antenna are obtained; the testing sampling point is mapped to an antenna evaluation coordinate system according to the sweep frequency data; a sample statistic unit of the antenna evaluation coordinate system is obtained, wherein the sample statistic unit contains one or more testing sampling points; actual measurement signal field intensity and theoretical signal field intensity of the target evaluation antenna in the sample statistic unit are obtained; according to the actual measurement signal field intensity and the theoretical signal field intensity of the target evaluation antenna in the sample statistic unit, a preset antenna coverage performance parameter of the target evaluation antenna is evaluated. According to the invention, under the circumstances that the running of the existing network is not influenced, the coverage performance of the antenna can be evaluated accurately and rapidly.

The invention discloses a method for evaluating the deterioration of heat-resistant steel parts, comprising the steps of: a. obtaining micro-samples of heat-resistant steel parts; b. testing the micro-samples by at least one detection technology to obtain a first detection method Result; c. Detect the sample of the heat-resistant steel part to obtain the second detection result; d. Determine the matching relationship between the first detection result and the second detection result, and establish a database, through which the database can be consulted with all The first detection result matches the second detection result, and the matched first detection result and the second detection result represent the same deterioration level of the heat-resistant steel component. The method for evaluating the deterioration of heat-resistant steel parts can effectively solve the problems of high cost, excessively long evaluation period, and difficult recovery of workpieces after destructive sampling in the existing methods for evaluating the deterioration of heat-resistant steel parts.

The invention discloses an electro-coppering liquid medicine effect evaluation method and provides a testing device. The testing device comprises electrodes arranged in an analyzer cup, an electrochemical workstation electrically connected with the electrodes and a computer electrically connected with electrochemical workstation. The electrodes include the reference electrode, the auxiliary electrode and the working electrode. The reference electrode is connected with electro-coppering liquid medicine in the analyzer cup through a salt bridge. Copper ions in the electro-coppering liquid medicine are plated to the working electrode under different electroplating voltages, then, an LSV method is used for peeling off copper on the working electrode, the copper plating amount is worked out, and the smaller the copper plating amount is along with changes of the electroplating voltage, the better the leveling and pore-filling effects of the electroplating liquid medicine are. According to the effect evaluation method, the effect of the electro-coppering liquid medicine can be rapidly evaluated, the workload is small, the evaluation period is short, and efficiency is high.