14results about How to "Comprehensive evaluation" patented technology

The application discloses a kind of wet friction plate oil tank heat dissipation capacity evaluation method, the method is: step 1, determine the oil tank simulation scheme of m kinds of friction plate;Step 2, in the flow field analysis software, respectively build the friction plate oil tank flow field analysis model corresponding to m kinds of oil tank simulation scheme;Step 3, by changing the heat dissipation rotation speed, cooling flow, obtain the heat dissipation power and oil film shear torque of the oil tank inner surface of the friction plate surface in n kinds of typical heat dissipation rotation speed, p kind of typical cooling flow in m kinds of oil tank simulation scheme, and calculate the heat dissipation coefficient of the friction plate oil tank in the i kind of oil tank simulation scheme;Step 4, compare the oil tank heat dissipation coefficient calculated from m kinds of oil tank simulation scheme, the greatest numerical value of oil tank heat dissipation coefficient is the oil tank simulation scheme with optimal comprehensive heat dissipation performance;The application can meet the design requirement of the fine design of friction plate heat dissipation.

The application discloses an ash hopper and an ash cleaning method. The ash hopper comprises an ash hopper body, an ultrasonic oscillator, a sensor assembly and a controller. The ultrasonic oscillator is arranged on the ash hopper body. The sensor assembly is used to acquire parameters representing the state of accumulated ash in the ash hopper, and the parameters at least include real-time flue gas temperature in the ash hopper body and actual accumulated ash thickness of the inner side wall of the ash hopper body. The controller generates an actual temperature deviation value according to the real-time flue gas temperature and a preset flue gas temperature. When the absolute value of the actual temperature deviation value is greater than a preset temperature deviation value, or the actual accumulated ash thickness is greater than a preset accumulated ash thickness, a start instruction is generated and executed to control the ultrasonic oscillator to start. The application can timely destroy the bonding structure between fly ash particles by arranging the ultrasonic oscillator and combining real-time monitoring data, thereby reducing the cleaning difficulty and labor intensity.

The invention discloses a ship power system stability real-time evaluation system, which comprises a data acquisition module, a preprocessing module, an evaluation model module, an early warning module and a display and storage module which are connected in sequence, and is characterized in that the data acquisition module is composed of a distributed sensor array and a synchronous acquisition unit; the invention further discloses a real-time evaluation method. According to the method, by collecting multi-dimensional data in real time and constructing the dynamic evaluation model, real-time comprehensive evaluation of the stability of the ship power system and early warning of system instability are achieved. Compared with the prior art, the method has the advantages of high real-time performance, comprehensive evaluation, excellent adaptive capability, early warning and control linkage, data traceability and the like.

This utility model relates to the field of new energy vehicle battery testing technology, and discloses a new energy vehicle battery testing device, including an operating platform, two conveyor belts, a rotating rod, and a pressure plate. The two conveyor belts are respectively located at both ends of the top of the operating platform. A support platform is fixedly connected to the top of the operating platform, and an L-shaped plate is also fixedly connected to the top of the operating platform. The rotating rod is rotatably connected inside the L-shaped plate, and a continuous conveyor plate that cooperates with the support platform is fixedly connected to its bottom. Both sides of the continuous conveyor plate have conveyor grooves, each of which cooperates with a corresponding conveyor belt. The beneficial effects of this utility model are that it ensures continuous and complete test data, significantly improves the accuracy and reliability of test results, and the continuous testing process can comprehensively evaluate the battery's performance and health status, reduce test errors, and promptly identify and eliminate potential safety hazards in the battery. This is of great significance for improving test quality, ensuring battery safety, and promoting the progress of the new energy vehicle industry.

The application relates to the technical field of biological medicine, and discloses an index for evaluating the response state of tumor patients after immunotherapy based on PBMC flow cytometry. The tumor conditions and immune baselines of tumor patients receiving treatment are different, and tumor tissues have a sustained inhibitory effect on activated immune cells. During the treatment process, how to comprehensively evaluate the immune response state of patients to the treatment, including the innate immunity, immune presentation and immune cell killing effect, has important significance for the optimization of immunotherapy drugs and the curative effect thereof. Based on the changes of myeloid cells and T cell subtypes in the patients after the treatment, the present application proposes an immune therapy response index, which includes the evaluation of the activation of myeloid cells and the state of T lymphocyte subgroups after the immunotherapy.

The invention belongs to the technical field of detection, and particularly relates to an LCMS (Liquid Chromatography Mass Spectrometry) characteristic chromatogram of tortoise-shell glue and a preparation thereof as well as an establishment method and application of the LCMS characteristic chromatogram of the tortoise-shell glue and the preparation thereof. Clear and detailed LCMS characteristic spectrums of the tortoise-shell glue and preparations thereof can be established according to contour mass spectrum information of the tortoise-shell glue, overall analysis of multiple characteristic polypeptide components is realized, and the limitation that analysis is only carried out in a single extraction ion flow channel in an existing method is solved; the obtained LCMS characteristic chromatogram of the tortoise-shell glue and the preparation thereof can effectively reflect the integrity and complexity of polypeptide components of the tortoise-shell glue and the preparation thereof, so that the anti-counterfeiting products of the tortoise-shell glue and the preparation thereof can be effectively distinguished, the quality of the tortoise-shell glue and the preparation thereof is comprehensively evaluated and controlled, and a guarantee is provided for clinical safe and effective medication.

This invention discloses a remote online teaching method and system based on internet education, including a teaching server, a student terminal, and a teacher terminal. This remote online teaching system leverages the multi-channel transmission characteristics of the internet, dividing a single class into multiple learning groups. Each learning group shares a communication channel, allowing for multi-channel communication with the instructor. This effectively reduces communication congestion, resulting in more stable and efficient video transmission. Group members can communicate with each other, facilitating peer interaction. Instructors can individually enter each learning group during communication sessions to provide guidance. The system incorporates an evaluation unit, allowing for peer evaluation between instructors and students, monitoring and regulating student learning behavior. The system collects evaluations through multiple channels and at multiple levels, providing a comprehensive assessment that promotes better teacher-student communication and improves teaching quality.

The invention provides a carbon fiber carbonization degree testing method which comprises the following steps: testing the surface of a carbon fiber to be tested to obtain a first ratio of the percentage of nitrogen atoms to carbon atoms and a second ratio of the percentage of oxygen atoms to carbon atoms on the surface of the carbon fiber to be tested; performing Raman spectrum test on the to-be-tested carbon fiber to obtain a third ratio of the integral intensity of the D peak to the integral intensity of the G peak of the to-be-tested carbon fiber; and according to the first ratio, the second ratio, the third ratio and a carbon fiber carbonization degree test model, determining a graphitization degree index of the to-be-tested carbon fiber so as to determine the carbonization degree of the to-be-tested carbon fiber. According to the testing method, the evolution essence of the to-be-tested carbon fiber at high temperature is disclosed from two dimensions, and the evaluation on the carbonization degree of the to-be-tested carbon fiber is more comprehensive and profound. The testing method is high in testing speed, damage to the carbon fibers to be tested is avoided, sampling inspection of the carbon fiber products on a production line is facilitated, and a basis is provided for quality control and grading of the carbon fiber products.

The application discloses a kind of lake sediment environmental quality comprehensive evaluation and risk factor identification method, comprising: collecting sediment samples of different point of lake, analyzing the pollution occurrence characteristics of traditional pollutants and trace / trace pollutants of sediment, and deducing pollutant sediment facies prediction no-effect concentration data based on existing database;According to the measured pollutant concentration data of pollutant sediment facies prediction no-effect concentration, dimension reduction is three parameters, and a sediment environmental quality comprehensive evaluation equation is established based on the three parameters;According to the equation, the sediment environmental quality comprehensive score is calculated using the measured concentration data, the sediment environmental quality grade is divided, and the main risk factor of sediment is identified.The method of the application can realize fast, accurate and comprehensive evaluation of lake sediment environmental quality and identification of main risk factors.

The present application belongs to the field of petroleum geology, and particularly relates to a method for evaluating oil and gas maturity in a fluid inclusion by using infrared spectrum. First, a fluid inclusion slice prepared from a stratum rock sample in a sedimentary basin is obtained; a filling sequence of diagenetic minerals in the stratum rock is determined; different occurrences of oil and gas are judged by petrographic characteristics under a microscope and fluorescence spectrum characteristics of the rock slice; infrared spectrum testing is performed on the oil and gas inclusions with different occurrences, and infrared spectrum characteristics of inclusions in different stages are obtained; a required spectrum range peak area is extracted from a spectrum diagram and brought into a formula; and an effective parameter for evaluating oil and gas maturity in the inclusions is obtained by using the formula and is sorted. The instrument used in the present application eliminates the requirement and limitation of traditional infrared spectrum on the size of the inclusions, and can measure and evaluate most oil and gas inclusions with smaller size.

This invention relates to the field of traditional Chinese medicine component analysis technology, specifically to the fingerprint spectrum of Juanxiao tablets and its establishment method. The method for establishing the fingerprint spectrum of Juanxiao tablets includes: using isoharonidin, isovitexin, rutin, hesperidin, lemon balm glycoside, aloe-emodin, nobiletin, and citrus reticulataein as reference standards, and Juanxiao tablets as the test sample; using HPLC to detect the reference standards and the test sample, and then comparing and analyzing them to determine the common characteristic peaks of Juanxiao tablets; wherein the HPLC conditions include: a C18 column, mobile phase A as a nitrile solvent, mobile phase B as a 0.05-0.15% phosphoric acid solution, and gradient elution. This method can effectively detect characteristic peaks, reduce the drying of impurity peaks, and the obtained fingerprint spectrum has high resolution and good peak shape. All characteristic peaks are baseline separated, enabling a more comprehensive and accurate evaluation of the quality of Juanxiao tablets.

This invention discloses a method and system for constructing a multi-category product sustainability index (SPI) that integrates subjective and objective information with fuzzy processing, belonging to the field of product eco-design and environmental management technology. The method first constructs a unified evaluation framework encompassing four attributes—product function, resource and energy, environmental performance, and health and safety—along with specific measurement indicators. Then, it uses the analytic hierarchy process (AHP) to calculate subjective weights, the entropy weight method to calculate objective weights, and a game theory model to optimally integrate the subjective and objective weights to obtain a comprehensive weight. For qualitative indicators, fuzzy matter-element analysis is used to transform their linguistic evaluations into calculable quantitative values. Finally, the standardized data and quantitative values ​​of all indicators are combined with the comprehensive weight to calculate the product score and normalize it into the SPI. This invention overcomes the shortcomings of existing methods, such as strong subjectivity, inability to comprehensively quantify, and difficulty in horizontal comparison. It provides a scientific, universal, and comparable comprehensive evaluation scheme for product sustainability, offering an intuitive quantitative decision-making tool for green design, procurement, and regulation.

This invention relates to the field of concrete performance testing, specifically disclosing a device and method for testing the crack resistance of concrete during production. The device includes a mold with a pressure-applying component above it. The pressure-applying component applies downward pressure to the top of a solidified concrete block within the mold. The mold includes a frame and a base plate. A crack inducer is installed on the base plate. The frame and base plate can move vertically and horizontally, allowing the base plate to extend above the frame, thus ejecting the concrete block. A top plate is located above the mold, with an adjusting block slidably mounted in the middle of the top plate. The sliding direction of the adjusting block is perpendicular to the crack inducer and located in the middle of the crack inducer. The pressure-applying component is installed in the middle of the adjusting block. Clamps are installed at both ends of the top plate to hold the concrete block. This invention overcomes the limitations of existing testing devices and evaluation systems that are disconnected. By integrating early cracking tests and later mechanical loading functions on the same equipment, it achieves continuous evaluation of concrete under the coupled effects of internal and external stresses.

The application discloses a rare earth zirconate CMAS corrosion resistance test method under a multi-source environment spectrum and belongs to the technical field of aero-engine thermal barrier coating test. The method comprises the following steps: selecting a plurality of CMAS corrosion sources to construct a multi-source corrosion environment spectrum library; drying, ball milling, sieving and compression molding of the CMAS corrosion sources to prepare standardized ash columns; preparing a rare earth zirconate dense ceramic block and polishing; placing the ash column on the polished surface of the ceramic block for isothermal heat treatment; preparing a sample on the cross section of the sample after heat treatment, and acquiring the reaction interface micro morphology, average element diffusion depth and new phase phase composition by using SEM, EDS and XRD; constructing a weighted evaluation model based on the obtained data to determine the broad-spectrum environmental adaptability of the rare earth zirconate ceramic. The application solves the problems of single corrosion source, non-standard operation and one-sided evaluation dimension in the traditional test, and realizes comprehensive and quantitative evaluation of the corrosion resistance under a complex environment.