Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

40results about How to "Judge science" patented technology

Runoff data free region confluence calculation method

The invention relates to a runoff data free region confluence calculation method. The method comprises the steps of collecting finished river basins which have history rainfall runoff data, wherein the unit line confluence prediction effects of the river basins are relatively good, and storing confluence schemes and river basin geographic information in advance; when flood confluence calculation of runoff data free river basins is carried out, establishing number-time distribution curves for the net rainfall drop number of grids in data river basins and data-free river basins, carrying out generalization by employing triangles, carrying out similarity calculation on generalized triangle processes, thereby searching similar river basin sets, carrying out time-space conversion on unit line processes of the similar river basin sets, and synthesizing converted unit line sets according to the most unfavorable principle with high peaks and short time, thereby obtaining the unit lines of the runoff data free river basins. According to the method, on the basis of accumulating a great deal of river basin prediction, similar river basin selection, and time-space conversion and synthesis of the unit lines are carried out by employing targeted criteria, artificial subjective judgment errors can be effectively avoided, the efficiency is improved, and the foundation is laid for prediction of the wide-range data free regions.
Owner:淮河水利委员会水文局(信息中心)

Method and device for determining consumption contribution value, and storage medium

The invention discloses a method and a device for determining the consumption contribution value and a storage medium. The method comprises the following steps of determining a commodity purchasing span based on a commodity purchasing historical order and a cross-type purchasing order proportion; determining a commodity purchasing frequency according to the commodity purchasing historical order and the purchasing time corresponding to the commodity purchasing historical order; determining a commodity purchasing value according to a commodity purchasing total amount corresponding to the commodity purchasing historical order and a total gross profit; and determining the consumption contribution value of a user according to the commodity purchasing span, the commodity purchasing frequency andthe commodity purchasing value. According to the method, the device and the storage medium, the influences of the cross-type purchasing behavior, the purchasing quantity, the purchase frequency, therecent activeness, the enterprise contribution gross profit and the enterprise sales on the consumer value measurement are comprehensively considered. Therefore, the contribution value of each consumer to the enterprise can be positioned and judged more comprehensively, more scientifically and more accurately. The method and the device formulate differentiated marketing strategies for different consumer types.
Owner:BEIJING JINGDONG SHANGKE INFORMATION TECH CO LTD +1

Edible oil product color and luster, transparency and impurity detecting device

The invention belongs to the technical field of oil product detection, and discloses an edible oil product color and luster, transparency and impurity detecting device. The device comprises an oil product conveying unit, a backlight bright field detecting unit, a top light dark field detecting unit, a polarized light dark field detecting unit, a detection control and image processing unit and a color and luster and transparency detecting unit, wherein the backlight bright field detecting unit obtains backlight bright field detection image information, the top light dark field detecting unit obtains top light dark field detection image information, the polarized light dark field detecting unit obtains polarized light dark field detection image information, the detection control and image processing unit is connected with the oil product conveying unit and the detecting units, controls actions thereof and processes the obtained detection image information, and the color and luster and transparency detecting unit projects detection signal light from one side of an oil product to be detected through a backlight source, collects light emitted from the oil product to be detected, and analyzes the spectral intensity and feature. The oil product to be detected is conveyed to the detection units in sequence through the oil product conveying unit, and the polarization direction of polarization detection light is perpendicular to that of a polarization analyzer. The edible oil product color and luster, transparency and impurity detecting device is efficient and high in reliability.
Owner:武汉楚锐视觉检测科技有限公司

Deduction method for ubiquitous electric power Internet-of-things emergency electric power event

The invention provides a deduction method for a ubiquitous electric power Internet-of-things emergency electric power event, and the method comprises the following steps: S1, taking the emergency electric power event as a top event, carrying out the accident tree analysis, and determining a basic event causing the top event and a bottom event causing the basic event; S2, determining a minimum cutset of basic events in the accident tree, and calculating the structural importance of each bottom event in the accident tree according to the minimum cut set; and S3, performing BowTie risk assessment based on the accident tree, determining a danger source, a risk event, a risk threat and a potential result, and setting a barrier for preventing an emergency power event to perform BowTie risk management and control. According to the method, an accident tree analysis method is adopted to carry out layer-by-layer deep analysis on the emergency power events, and safety measures corresponding to each bottom event in the accident tree are determined, so that an emergency decision maker can make scientific judgment quickly, and the occurrence probability of the emergency power events or the severity degree of potential consequences can be reduced.
Owner:SHANGHAI MUNICIPAL ELECTRIC POWER CO +1

Method for judging doubtful values of sample detection data

The invention relates to a method for judging doubtful values of sample detection data. The method comprises the following steps of: A, respectively carrying out n tests on detection data of same elements of same samples in P laboratories; B, calculating an intragroup repeatability value r; C, if the range of n numerical values of the ith laboratory is greater than or equal to the repeatability value r, retesting or abandoning the laboratory, and otherwise, indicating that the laboratory passes repeatability judgement; D, repeating the steps B to C, and re-calculating the repeatability value r until the residual laboratories pass the repeatability judgement; E, if the range of the average value of the laboratories which pass the repeatability judgement is greater than or equal to a reproducibility value R, retesting or abandoning the test numerical values of two corresponding laboratories; and F, considering the residual test numerical values as qualified numerical values. According to the method provided by the invention, the dead zones of common Grubbs test and Dixon doubtful value test are overcome, more scientific judgement is carried out on data during constant value analysis, and beneficial supplementation is carried out on the traditional guide sample development data statistical analysis method.
Owner:PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP

Method for determining pear ring spot resistance based on support vector machine classification algorithm

The invention discloses a method for measuring pear ring spot resistance based on a support vector machine classification algorithm, and belongs to the technical field of image processing. According to the method, adopting an Otsu algorithm to determine the optimal threshold value of scab region segmentation, and segmenting and extracting the scab region with the maximum precision. And optimizing machine learning SVM algorithm parameters by adopting a particle swarm optimization (PSO), and establishing an optimal SVM classifier for pear ring rot. Calculating the equivalent circle diameter of the scab area by means of the reference object, calculating the disease grade according to the equivalent circle diameter of the scab, determining the disease index, and dividing the disease resistance. Compared with a traditional straight ruler cross measurement method, the method not only can be used for detecting the disease spot type, but also is more scientific and more accurate in judgment of the disease grade and the disease index. Meanwhile, a plurality of leaves can be detected, so that the working efficiency is greatly improved, and an efficient and practical method is provided for measuring the ring spot resistance of fruit trees such as pears and the like on a large scale.
Owner:NANJING AGRICULTURAL UNIVERSITY

Analysis and detection method for micropore failure reasons of soft-pack lithium batteries

The invention relates to a method for analyzing and detecting the cause of micropore failure of a soft-packed lithium battery. The specific implementation steps of the method are as follows: first cut off the area containing micropores in the ALF aluminum-plastic film, soak it in the electrolyte, and then place the Store at a temperature of 10°C to 150°C for 1‑60 days; when the polypropylene (PP) layer, nylon layer and other materials in the ALF aluminum-plastic film are separated from the aluminum layer, take out the aluminum layer; then soak the Place the aluminum layer under a microscope to observe whether the micropores are deformed toward the nylon layer, that is, it is determined that it is caused by the foreign matter of the punch particles; or it is deformed toward the PP layer, that is, it is determined that it is affected by external forces during the manufacturing process; That is to say, it is determined that it is caused by the deformation and stretching of the shell, and then the cause of the micropores in the aluminum layer is determined, so as to adjust the lithium battery production process and change the adverse production environment and conditions. The method of the invention is reasonable in design, simple in operation, accurate in analysis and detection, high in reliability, low in cost, high in benefit, and has remarkable application effects.
Owner:TIANJIN JUYUAN NEW ENERGY TECH CO LTD

A method of measuring and calculating the amount of slag produced by mud shield machine by using density meter

ActiveCN107255032BSave manual calculation costsShorten the timeTunnelsSpecific gravity measurementSlagControl system
The invention provides a method of calculating the amount of slag discharged by a slurry shield machine using density meters. The method comprises the steps that firstly a slurry feed density meter and a slurry discharge density meter are additionally arranged above the middle segments of a slurry feed pipeline and a slurry discharge pipeline in the second layer of an equipment bridge separately, the data signal lines of the slurry feed density meter and the slurry discharge density meter are connected with a control system of the slurry shield machine, and the slurry feed density meter and the slurry discharge density meter can display the slurry feed density value and the slurry discharge density value through the control system in real time. In the process of one-ring tunneling, the cumulative total feed amount J m<3> can be displayed automatically in the control system through a slurry feed flow meter, and the cumulative total discharge amount P m<3> slurry can be displayed automatically in the control system through a slurry discharge flow meter, the average slurry feed density value M (average feed) kg / m<3> can be converted automatically in the control system through the slurry feed density meter, the average slurry discharge density value M (average discharge) kg / m<3> can be converted automatically in the control system through the slurry discharge density meter, and finally, the actual slag amount G' of one-ring is obtained automatically through the control system to determine whether the tunneling requirement is satisfied.
Owner:ERCHU CO LTD OF CHINA RAILWAY TUNNEL GRP
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products