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

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 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 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 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 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.