51results about How to "Method objective" patented technology

The invention discloses an energy-saving metering method for a communication base station, and the method provided by the invention is mainly used for calculating the energy consumption based on the data acquisition part of an energy-consumption metering system. The method comprises the following steps: (1) solving the relationship of the energy efficiency ratio of energy consumption equipment, such as air conditions, indoor temperature and outdoor temperature, and obtaining a correlative expression; (2) calculating the reference power consumption amount of the energy consumption equipment: calculating the reference power consumption of the energy consumption equipment by utilizing the actual measurement data within the operation cycle when an energy-saving measure is adopted; and (3) calculating the power saving amount of the energy-saving measure: calculating the power saving amount by utilizing the actual measurement data within the operation cycle when the energy-saving measure is adopted. The method provided by the invention is objective, simple, accurate and precise to meter, the information is shared by means of the Internet of Things, query is convenient, and an important basis is provided for selecting energy-saving equipment, formulating an energy-saving scheme and calculating energy-saving benefits.

The invention relates to a selection method for visual targets of a Chinese character eye chart. The method comprises the following steps of: carrying out spatial frequency component analysis after converting Chinese characters into picture formats, then working out a mean of the frequency spectrum energy of spatial frequencies, adopting cluster analysis to cluster images of Chinese characters, selecting a group of Chinese characters similar with the mean of the frequency spectrum energy, and selecting Chinese characters which simultaneously have horizontal strokes, vertical strokes, slant strokes and curved strokes from the group of Chinese characters as the visual targets of the Chinese character eye chart. Besides giving consideration to the factors of stroke number, character frequency, character form, etc., the selection method for the visual targets of the Chinese character eye chart also selects the Chinese characters similar with the mean of the frequency spectrum energy of spatial frequencies as the visual targets through carrying out the spatial frequency component analysis of Chinese character images, thereby meeting the universal laws of a human visual system on Chinese character recognition and identification in a better way. The Chinese character eye chart made from the Chinese character visual targets selected through the method can more correctly detect the threshold value of the font size of Chinese characters read by a testee.

The invention relates to a fault simulated analysis method for an afterburning cycle rocket engine. The fault simulated analysis method comprises the following steps: (1) according to the system composition and characteristics of components of the afterburning cycle rocket engine, a model is constructed through the theories of hydromechanics, pneumodynamics and thermodynamics; (2) a fault feature equation is embedded in the model; (3) an equation set generated in the steps is solved through the linearized Newton iteration method, so that a simulated result is obtained; and (4) according to the thermal parameter characteristics, faults possibly occurring in the process of heat run of the engine or the flying state of the engine are pre-judged before a test through the statistical parameters obtained in advance, or the faults are positioned after the test compared with the parameter variation trend actually measured after the process of heat run of the engine or the flying process of the engine. The fault simulated analysis method for the afterburning cycle rocket engine overcomes the defects in the prior art, and greatly improves the efficiency and accuracy of fault analysis.

The invention discloses a qualitative source analyzing method for a lead exposure source in human blood. The qualitative source analyzing method comprises the following steps: collecting an environment medium sample and a blood sample and determining the content of lead to obtain a characteristic specific value 208Pb/206Pb; and calculating a lead isotope medium difference index D to qualitatively evaluate the lead exposure source in the blood. The invention provides the qualitative evaluation method and creatively provides the lead isotope medium difference index D; and the evaluation method, and the determination and the calculation of the lead isotope medium difference index have direct guide meaning on the evaluation of the lead exposure source in the blood. The evaluation method disclosed by the invention is applicable to the analysis and the determination of the lead exposure source in the blood, and the comprehensive evaluation is carried out on the lead exposure source in a qualitative manner; and the method is simple, objective and accurate, has the good repeatability and small errors, and has the very good operability and practicability, and scientific theoretical foundations are provided for the determination of the lead exposure source in the blood.

The invention discloses a complex simulation system credibility evaluation method based on a network topology path, and belongs to the field of system simulation. And under the condition that the nodecredibility of the single model is known, the credibility of the whole complex simulation system is quantified. The method comprises the following steps: firstly, analyzing an information interactionrelationship between component models in the complex simulation system, calculating weights of edges between nodes according to objective indexes, and abstracting the complex simulation system into adirected weighted model interaction network; and calculating the out-degree of each node in a model interaction network, selecting a node with a relatively high out-degree as an initial node, starting from the initial node, obtaining different single execution paths, calculating the credibility of the single execution path, and integrating the credibility of all the execution paths to obtain thecredibility of a simulation system. Aiming at a complex equipment simulation system with the characteristics of complex mechanism, complex input and output variables, strong uncertainty and the like,the invention solves the problem that it is difficult to carry out quantitative analysis on evaluation of the credibility of the complex equipment simulation system.

The invention discloses a backbone net rack survivability assessment method based on LDA and PCA. The method comprises the steps as follows: firstly, specific characteristics of a backbone net rack are planned according to differentiation, and a backbone net rack survivability assessment index system is constructed; then, on the basis of the constructed backbone net rack survivability assessment index system, a second level index attribute valve is obtained by using an LDA backbone net rack survivability assessment third level index, a first level index attribute value is obtained by using a PCA backbone net rack survivability assessment second level index, and a backbone net rack survivability assessment result can be obtained according to the first level index attribute value. The method solves the survivability crossing problem of an inter-class backbone net rack scheme and provides a theoretical basis for optimum survivability assessment of the multi-scheme backbone net rack with classified information.

The invention discloses a method for quantitatively analyzing emulsification performance of a petroleum crude oil emulsification system and a method for determining the emulsification performance. The method for quantitatively analyzing the emulsification performance comprises the following steps: preparing an emulsion from reference oil and the emulsification system; respectively measuring the content of oil in the water phase of the emulsion and the content of water in the oil phase of the emulsion; then comprehensively analyzing emulsification performance indexes. According to the principle that absorbance and reference oil concentration shows a linear relationship within a certain range, the content of oil in the water phase is obtained correctly; the content of water in the oil phase is obtained by means of visually inspecting the volume change rate and then the correlative relationships between the emulsification performance index and the content of oil in the water phase and between the emulsification performance index and the content of water in the oil phase are obtained, so as to be used for analyzing the emulsification performance of the emulsification system; the oil-displacement efficiency amplification contributing degree is obtained by virtue of the emulsification performance index so as to determine the emulsification system. According to the method, the emulsification performance of the emulsification system is analyzed comprehensively in a quantitative way and guidance is quantitatively provided for the determination of the emulsification system; the processes are simple, the results are objective and scientific, and the repeatability is good.

The invention discloses a student score early warning method based on data mining. The method comprises the following steps: acquiring and grading score data of graduated students in a school; mining all frequent item sets according with the minimum support count value in the score data by adopting an Apriori algorithm; obtaining all strong association rules by utilizing the frequent item sets; and performing data operation on all cores of students in the school by using the strong association rules, thereby obtaining the prediction and early warning results of the scores. According to the method disclosed by the invention, the academic record data of former students is acquired, and the acquired score data is subjected to data mining and correlation analysis, so that the strong association rules among scores of various subjects are obtained, and the scores of the students in the school are predicted and early warned according to the obtained strong association rules among the scores of various subjects; and therefore, the method disclosed by the invention is capable of timely predicting and early warning the student scores in real time from the objective data, and is objective, reasonable, scientific, high in calculation speed and high in precision.

The invention belongs to the technical field of wine brewing, and discloses a method for evaluating the quality of yeast for making hard liquor. According to the invention, the comprehensive indexes of the yeast for making hard liquor are obtained by processing sensory parameters, physicochemical indexes, biochemical indexes, microbial indexes and comprehensive indexes, wherein the comprehensive index values represent the quality of the yeast for making hard liquor, so the larger the comprehensive index values are, the better the quality of the yeast for making hard liquor is. The method is used for evaluating the quality of the yeast for making hard liquor, can replace an existing mode that the quality of the yeast for making hard liquor is judged only through sensory aroma smelling, provides a unified standard for evaluation of the quality of the yeast for making hard liquor, is objective, scientific, systematic, easy and convenient to use, high in operability and accurate, and provides technological theoretical parameters for improving the quality of the yeast for making hard liquor.

The invention discloses a method for rapidly identifying Pu'er tea storage year based on gustation information. The method for rapidly identifying Pu'er tea storage year comprises at room temperature,detecting the gustation information of Pu'er tea stored at different years by utilizing a sensor type electronic tongue, so as to realize identification on the Pu'er tea storage year. The provided identification method is simple in sample pretreatment, free of organic solvents in the whole experiment process, high in safety, rapid in detection speed, and high in identification accuracy. The instrument can continuously work, and the method is relatively suitable for continuous real-time detection, and is convenient for large-scale popularization application. The method is simple in operation, helps to realize rapid qualitative quantitative analysis on Pu'er tea stored at different years by taking gusatation information as indexes, and is a novel, objective and accurate method for identifying Pu'er tea storage years.

The invention provides a test method for efficacy of duck hemorrhagic ovaritis inactivated vaccine. The method comprises steps of: immunizing ducks using the duck hemorrhagic ovaritis inactivated vaccine for two times, wherein the second immunization is carried out two weeks after the first immunization; challenging the immunized ducks with duck hemorrhagic ovaritis virus three to five weeks after the second immunization; collecting duck serum after the challenge; inoculating the isolated serum into SPF chicken eggs or duck eggs; and calculating the number of eggs which die within 24-168 hours and are tested positive for the duck hemorrhagic ovaritis virus, wherein if the positive incidence of the isolated virus is more than 80% in contrast group ducks while the negative incidence of the isolated virus is more than 70% in the immunized group ducks, the vaccine efficacy is determined to pass the test. The test method for efficacy of duck hemorrhagic ovaritis inactivated vaccine of the invention has the advantages of simple in operation and accurate in test results, and thereby can be wildly used.

The invention relates to the technical field of human factors engineering, in particular to an eye movement data-based user help information automatic triggering apparatus. The apparatus comprises an eye movement tracking apparatus, an automatic triggering module arranged in an operation system and connected with the eye movement tracking apparatus, and a display terminal connected with the automatic triggering module. Meanwhile, the invention furthermore provides an eye movement data-based user help information automatic triggering method. The method comprises the steps that the eye movement tracking apparatus acquires an eye movement track of a user and generates an eye movement data sequence; the automatic triggering module calculates a real-time movement distance of the eyes of the user according to the eye movement data sequence and a preset threshold distance; and when the real-time movement distance of the eyes of the user is smaller than or equal to the preset threshold distance for multiple continuous times, the display terminal presents user help information. According to the apparatus and the method, the cognition of the user is assessed by counting a value relationship between the real-time movement distance of human eyes and the threshold distance for multiple times, so that the adaptability of man-machine interaction is remarkably improved and the efficiency and effect of user help information display are improved.

The invention discloses a quantitative analysis method for interfacial tension performance of a petroleum crude oil ternary compound system and a determination method of the ternary compound system. The method comprises the following steps: adding reference oil into a prepared to-be-measured ternary compound system, measuring various parameters of interfacial tension by utilizing an interfacial tension meter so as to calculate an interfacial tension value, drawing a curve of the interfacial tension value along with time change, and finding the lowest interfacial tension value sigma<min> in the curve and the corresponding ultra-low interfacial tension action time delta t so as to obtain an incidence relation among the interfacial tension performance parameters, the lowest interfacial tension value and the ultra-low interfacial tension action time, wherein the incidence relation is used for analyzing the interfacial tension performance of the ternary compound system; and obtaining the oil displacement efficiency through the interfacial tension performance indexes, and determining the ternary compound system. According to the method, the interfacial tension performance of the ternary compound system is comprehensively analyzed in a quantitative mode, guidance is quantitatively provided for determination of the ternary compound system, and the method is simple in process, objective and scientific in result and high in repeatability.

The invention discloses a human factor evaluation method for a surgical navigation system. According to the method, involved equipment includes a surgical navigation module and Microsoft holographic glasses; the surgical navigation system is evaluated in a subjective aspect and objective aspect through steps including test preparation, objective testing and subjective testing. The method is more objective and accurate.

The invention relates to an endometrial cancer prognosis evaluation system (MIP scoring) based on molecular typing, immune scoring and pathological morphology diagnosis, which is used for judging the prognosis of endometrial cancer. The POLE mutation state is judged through sequencing, and four mismatched repair proteins and p53 are detected through an immunohistochemical method to determine molecular subtypes; the expression of VISTA in tumor interstitial immune cells is detected by an immunohistochemical method, and immune scoring is carried out; the histological level and lymph-vascular space invasion (LVSI) of the tumor are judged by observing pathological morphology under the microscope; and endowing of recurrence risk scores is conducted correspondingly. The prognostic evaluation system can effectively distinguish recurrence and death risks of endometrial cancer.

The invention belongs to the technical field of water ecological environment monitoring, and particularly relates to a comprehensive evaluation method for environment quality of a water ecological system. The method mainly comprises the following steps: comprehensively scoring, specifically, acquiring the following five numerical values: a nutritive salt index, habitat quality, a phytoplankton index, a microorganism index and a fish index, and then calculating by adopting the following formula, the comprehensive score = (nutritive salt index + habitat mass + phytoplankton index + microbial index + fish index)/5; and evaluating the comprehensive score corresponding to an evaluation standard so as to obtain the environment quality condition of the water ecosystem. The method has the beneficial effects that five standardized indexes which can be used for the method disclosed by the invention are screened, and a comprehensive and comprehensive water ecological environment quality evaluation method is provided for the first time, so that the result obtained by the method is closer to the real situation of the water ecological environment.

The invention discloses a design method of a recycled concrete composite self-insulation building block. The method comprises the following steps of 1, setting parameters of the recycled concrete composite self-insulation building block body; 2, determining the mix proportion of a recycled concrete base material in the recycled concrete composite self-insulation building block body; 3, obtaining the heat conductivity coefficients of the recycled concrete base material and the thermal insulation material in the recycled concrete composite self-insulation building block body; 4, setting distribution of through holes in the recycled concrete composite self-insulation building block body; 5, carrying out finite element analysis on the thermal performance of the recycled concrete composite self-insulation building block body; and 6, manufacturing the recycled concrete composite self-insulation building block body. The method is simple in step and reasonable in design, the recycled concretebase material of the recycled concrete composite self-insulation building block and the block structure of the building block body are optimized so as to meet the requirement for the insulation performance of the outer wall of the residential building in the cold region under the 75% building energy-saving standard, and practicability is high.