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601results about How to "Fully reflect" patented technology

Micro-pore structure evaluation and reservoir classification method for tight reservoirs

InactiveCN105334149ASolve the problem of observationDetermining the cause of densificationEarth material testingPermeability/surface area analysisPorosityFluorescence
The invention provides a micro-pore structure evaluation and reservoir classification method for tight reservoirs. The method comprises steps as follows: the origin and the petrologic features of each reservoir are analyzed, and the phase type, the content and the like of each reservoir are determined; physical features of each reservoir are analyzed; features of a reservoir space of each reservoir are observed, and the pore type, the surface porosity and the like are determined; pore structure parameters of the reservoirs are measured with a high-pressure mercury intrusion method and a nitrogen adsorption method; the diagenesis is researched, and compaction, cementation and corrosion sequences are determined; physical property control factors of the reservoirs are analyzed; the reservoirs are classified. The method mainly has the effects as follows: the diagenesis and the influences of the diagenesis on the reservoirs are comprehensively reflected through cathode luminescence and micro-area mineral quantitative analysis; micro pores of the tight reservoirs are researched elaborately through fluorescent casting and field emission scanning electron microscopy; the microscopic features of the tight reservoirs are determined accurately through high-pressure mercury intrusion experiments and the nitrogen adsorption experiments; the parameters are optimized for classification and evaluation of the reservoirs, and the method has a great significance in further prediction of beneficial developing stratums or zones.
Owner:CHINA UNIV OF PETROLEUM (BEIJING)

Method and system for establishing multilayer oil pool inter-well connectivity model

The invention relates to a method and system for establishing a multilayer oil pool inter-well connectivity model. The multilayer oil pool inter-well connectivity model capable of simulating oil and water dynamic states is established oriented to the limitation that by means of a current connectivity model, only the dynamic change of production liquid can be predicted, the dynamic states of the oil phase and the water phase cannot be calculated respectively, and connectivity analysis cannot be carried out layer by layer. According to the model, an oil pool system is layered and scattered into a series of inter-well communication units, matter balance equation calculation is carried out with the inter-well communication units as simulating objects, pressure solving and inter-well flow calculation are achieved, an inter-well saturation degree tracking calculating method is established with the combination of the lead edge boosting theory, and the output dynamic states of oil and water of all layers at well points are obtained; a model parameter inversion method is established in a fitting mode through dynamic states based on a random disturbance approximation method, a projection gradient method and the like. Layered inter-well flow distribution coefficients, single well longitudinal production liquid and production oil splitting coefficients and other information can be obtained in real time, the oil pool plane, the longitudinal oil and water flow relation and the production measure change can be more accurately reflected to guide the practical production of an oil field.
Owner:YANGTZE UNIVERSITY

Power distribution system probability reliability assessing method based on analytical method

The invention discloses a power distribution system probability reliability assessing method based on an analytical method. The method comprises the steps that a given power distribution network is partitioned into a fault area, an isolation area, a gapless island area and an influence-free area are classified, a fault mode impact analysis sheet base is established, and parameters are initialized; a stimulation clock is initialized, a random number is generated, the minimum non-failure operation time is obtained according to failure rate parameters of all element state models, the fault isolation time and the load band transferring time are worked out, and the stimulation clock is pushed; the fault mode impact analysis sheet base is inquired, classifications of all cells are determined, whether an island is formed or not is judged, and different methods are adopted for processing the island area and the non-island area; the state sample of an energy storage device is established according to the energy storage device electrical charge state probability distribution obtained through the probability reliability calculating method; distribution probabilities of single-time fault indexes of load points are overlapped, and the probability reliability indexes of the loads and the system are calculated. The simulation speed is increased while certain calculation precision is ensured, and the power grid situation is comprehensively reflected.
Owner:STATE GRID CORP OF CHINA +3

Insulator hydrophobicity rank amalgamation judging method based on D-S evidence theory

The invention belongs to the power-system high-voltage equipment insulation test technical field and discloses an insulator hydrophobic-nature classes-integrating judging method based on the D-S evidence theory. The technical proposal is as follows: a water-spraying classification method is adopted to collect the image information relevant to the hydrophobic nature and then the image information is processed with cutting, de-noising and dividing; then three hydrophobic-nature sub feature points are extracted according to the bead / water mark optical feature and shape information and the like. of the hydrophobic-nature images; then the extracted three sub feature points, i.e. area, shape and brightness are adopted as the features of three classifiers and the fuzzy rules are adopted to figure out the basic probability assignment function of each classifier; and finally the integration judging is carried out for the results of three classifiers according to the D-S evidence theory. The invention can effectively enhance the hydrophobic-nature identifying precision and reliability so as to overcome the defects in the prior art on accuracy, reliability and practicability and the like. and meet the requirement for the insulator hydrophobic-nature on-line test.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)

Projection pursuit-based method for evaluating flooding risk of drainage pipe network

The invention discloses a projection pursuit-based method for evaluating flooding risk of a drainage pipe network, which relates to the technical field of system comprehensive evaluation. The method integrates multi-aspect flooding risk effect factors from a drainage pipe network model, a geographic information system and a database system and uses a projection pursuit evaluation method for evaluating the flooding risk of the drainage pipe network. In the method, linear projection is conducted on each evaluation indicator sample; an optimal projection direction vector is searched in accordancewith a certain principle and the optimal projection direction vector reflects the important level of each evaluation indicator, namely objective weight, and based on the objective weight, a comprehensive evaluation number is established for conducting evaluation grading on the flooding risk of the drainage pipe network, thus providing technical support for emergency rescue in flood season. The method avoids one-sidedness of human analysis in evaluation process, has more scientific evaluation result, and can vividly and directly represent disaster risk degree and distribution due to an obtained flooding disaster risk map, thus providing excellent decision platform for rescue dispose.
Owner:BEIJING UNIV OF TECH

Expansive-soil slope hygroscopic deformation model experiment method and system

The invention discloses an expansive-soil slope hygroscopic deformation model experiment method and a system. The expansive-soil slope hygroscopic deformation model experiment method comprises following steps: A, soil samples are turned and subjected to sun drying so as to control water content and soil filling thickness; B, soil filling is carried out by layers, slope cutting is carried out uniformly, and a part of monitoring components are buried; C, an obtained soil slope is allowed to stand until cracks are generated, and a displacement sensor is arranged; D, physical quantity initial values are recorded; E, a rainfall simulator is used for realizing dropping-pouring type concentrated rainfall, and rainfall amount is controlled; F, physical quantities and rainfall amount are monitored according to rainfall stages; G, a rainfall-evaporation cycle is carried out repeatedly so as to stimulate drying and watering cycle; and H, slope morphologic change is recorded, and results are analyzed. The system comprises a model case, monitoring components, and a rainfall simulator; the monitoring components are arranged in the model case; and the rainfall simulator is arranged on the upper part slope shoulder of the model case. The expansive-soil slope hygroscopic deformation model experiment method and the system are suitable for a plurality of expansive-soil slope hygroscopic deformation model experiments, and possess significant importance for researches on expansive-soil slope stability and catastrophe mechanisms.
Owner:INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI

Construction method for HPLC (high performance liquid chromatography) finger-print chromatogram of ginseng and astragalus strengthening injection and application of finger-print

The invention discloses a construction method for an HPLC (high performance liquid chromatography) finger-print chromatogram of ginseng and astragalus strengthening injection, and application of the finger-print. The construction method includes the following steps: performing online automatic pretreatment for a sample through utilizing a double-pump double-gradient high performance liquid chromatograph; and then, performing detection in a manner of series connecting DAD-ELSD detectors and switching wavelengths of 266nm / 208nm ultraviolet detecting waves, and obtaining the HPLC finger-print chromatogram of the ginseng and astragalus strengthening injection. 21 common chromatographic peaks are detected in the HPLC finger-print chromatogram of the ginseng and astragalus strengthening injection, which is obtained through the method, 20 chemical components in the finger-print chromatogram are testified through adopting the UFLC-DAD-MS / MS technology, and the diagram of the finger-print chromatogram is shown in the figure 1 in the attached figures of the explanatory memorandum. The method disclosed by the invention can correctly reflect the overall quality characteristics of the ginseng and astragalus strengthening injection, can comprehensively monitor and control the quality of raw material drugs, semi-finished products and finished products, and can perform quality control and fake prevention through comparing similarity of chromatogram fingerprint characteristics.
Owner:SUN YAT SEN UNIV

Method for simulating biaxial test of braided composite material and determining material performance parameters by using finite element method

The invention discloses a method for simulating a biaxial test of a braided composite material and determining material performance parameters by using a finite element method. The method comprises the following steps: simulating a biaxial test of a material by using finite element software based on size and space distribution conditions of fibers and matrixes obtained by a polarizing microscope technology and performances of known component materials, and determining the damage mechanism and process of the material in the test process. The simulation result of the finite element software is compared with true data acquired by a biaxial testing machine, and when the simulation result is almost completely matched with the real data, the method is effective and feasible, and the material damage process simulated by the method is quite credible. The method is simple in operation and strong in repeatability and is suitable for various complex load conditions of the braided composite material, the mechanical response of the braided composite material under the complex load conditions can be accurately and comprehensively reflected, and particularly the microscopic damage mechanism and process of the material which cannot be observed in the test can be intuitively reflected.
Owner:HARBIN INST OF TECH

Method for accurately determining high-temperature mechanical property parameters of heat preventing material based on digital image related technology

InactiveCN104034601ADetermine the mechanical performance parametersMeet the correct useMaterial strength using tensile/compressive forcesMaterial strength using steady bending forcesHeat shockEngineering
The invention discloses a method for accurately determining high-temperature mechanical property parameters of a heat preventing material based on the digital image related technology, and belongs to the technical field of material parameter measuring through tests. The deformation situation of the material in the test process is acquired based on the digital image related technology, and the mechanical property parameters of the material at the vacuum (inflation) and certain temperature are determined according to the load and the temperature data provided by a high-temperature mechanical test machine. According to the method, blue light is adopted for supplementing light, a blue light filter is added in front of a DIC optical measuring lens, scattered spots splashed to a sample are baked, and a DIC can be used accurately at the high temperature. The method is easy to operate and high in repeatability, the heat shock of the material can be simulated, the mechanical response of the heat preventing material at the high temperature can be more accurately and completely reflected, the overall material deforming situation which cannot be observed and the transverse deformation coefficients which cannot be measured can be visually reflected, and the material property parameters can be represented more vividly and effectively.
Owner:HARBIN INST OF TECH

Sand-carrying performance test device for fracturing liquid by adopting high-speed photography and digital image technologies

InactiveCN103712897AAccurately measure sedimentation velocityFully reflectMaterial analysisTemperature controlLiquid storage tank
The invention discloses a sand-carrying performance test device for fracturing liquid by adopting high-speed photography and digital image technologies. The sand-carrying performance test device mainly comprises an air compressor air storage tank, a temperature sensor, a liquid storage tank, a temperature controller, a high-speed photography system, a digital image processing system, a flowmeter, a needle valve, a visible simulated crack sand suspension system, a soft light box and a liquid collection tank. According to the sand-carrying performance test device for the fracturing liquid by adopting the high-speed photography and digital image technologies, sand-carrying fracturing liquid with different flowing speeds and different temperatures passes through the visible simulated crack sand suspension system by a method for driving liquid to flow through constant-pressure air; the high-speed photography system is used for catching a motion trace of sand in a crack; the digital image processing system is used for determining a settling trace and a settling speed of the sand to obtain distribution of the concentration of the suspended sand along the crack. The sand-carrying performance test device has a reliable theory, is easy to operate, can accurately test both the settling speeds of sand particles with different particle sizes in fracturing liquid under different temperatures and different flowing speeds according to different sand ratios and the concentration distribution of the sand particles in the simulated crack, and has a good market prospect.
Owner:SOUTHWEST PETROLEUM UNIV

Method and system for optimal configuration of distributed power source

The invention provides a method for optimal configuration of a distributed power source. The method comprises the steps that a probability density function of the distributed power source and a probability density function of a load are determined; an uncertainty mathematic model of the distributed power source and the load is built according to the probability density function of the distributed power source and the probability density function of the load; an objective function and a constraint condition for optimal configuration of the distributed power source are determined, and a distributed power source optimal configuration model relevant to uncertainty is built; the distributed power source optimal configuration model relevant to uncertainty is solved according to a preset method, and a Pareto optimal solution is obtained; a standardization satisfaction degree value corresponding to the Pareto optimal solution is calculated, and an optical configuration scheme of the distributed power source is determined according to the standardization satisfaction degree value. Uncertainty in optical configuration of the distributed power source can be effectively handled, the correlation of all objective functions is fully considered, and the strong pertinence of the optimal scheme is effectively avoided.
Owner:STATE GRID CORP OF CHINA +1

LED hanging lamp

An LED hanging lamp comprises a reflective cover, a rear cover and a face cover. The reflective cover is formed by integrally stretching aluminum alloy, the section of the reflective cover is in the shape of M, the reflective cover comprises a mounting plate arranged in the middle and light blocking plates arranged on the two sides of the mounting plate, the mounting plate comprises a left mounting plate and a right mounting plate, and the bottom portion of the left mounting plate and the bottom portion of the right mounting plate are both provided with containing grooves used for mounting LED base plates. The face cover is arranged on the reflective cover, the bottom portions of the two light blocking plates are respectively provided with a first guide rail groove, the first guide rail grooves are defined by upper hook-shaped portions and lower hook-shaped portions which extend out of the bottom portions of the light blocking plates, and the upper hook-shaped portions, the lower hook-shaped portions and the reflective cover are integrally formed in a stretching mode. Fasteners matched with the first guide rail grooves are arranged on the edges of the two sides of the face cover, each fastener comprises a first bending portion and a second bending portion, the first bending portions are contained in the first guide rail grooves, the second bending portions form concave space, and the lower hook-shaped portions are arranged in the concave space.
Owner:GUANGZHOU LEDIA LIGHTING CO LTD

Well-constrained pre-stack elastic parameter inversing method for modulating supplemented subspace

The invention relates to a well-constrained pre-stack elastic parameter inversing method for modulating supplemented subspace, belonging to the field of seismic log. The method provided by the invention has the advantages that: the computation time is shortened so that the running time is shortened and the cost is reduced; the processing parameters can be adjusted so that a better processing result can be obtained; the frequency-increasing data wave group detailed information is not abundant so that the wave group characteristics of original seismic events and the interlaminar information of original profiles are maintained and the resolution of the profiles is enhanced; the undue dependence on a stratified model is avoided to ensure that the information of combined reconstruction beside the well is preferably fitted with the log information, and the non-stratified information contained in seismic data can be fully reflected outside the well; therefore, the problem of matching the seismic data of reservoir stratums (stratums such as fluvial facies reservoir stratum, carbonatite pore and fissure and hole intensive belt and the like ) with reticular characteristics with the well information is solved.
Owner:INST OF GEOLOGY & GEOPHYSICS CHINESE ACAD OF SCI

Electric vehicle charging station modeling method for reliability assessment of power distribution network and application of electric vehicle charging station modeling method

The invention discloses an electric vehicle charging station modeling method for reliability assessment of a power distribution network and application of the electric vehicle charging station modeling method. The method is characterized by including the steps: 1, establishing an electric vehicle running status time sequence model; 2, establishing an electric vehicle spatial and temporal distribution model; 3, on the basis of a dijkstra algorithm, calculating the sum of power batteries available for centralized charging in each charging station; 4, establishing a charging station output time sequence model based on reliability assessment; 5, adopting a Monte Carlo simulation method for realizing reliability assessment of the power distribution network with electric vehicles, and carrying out statistics of reliability indexes. Establishment of a more practical electric vehicle output model can be realized, centralized optimal control of the electric vehicles is improved, utilization rate of the electric vehicles serving as energy storage devices is increased, pressure of power shortage in load peak of the power distribution network is relieved, and accordingly reliability of the power distribution network can be further improved.
Owner:HEFEI UNIV OF TECH

Channel information feedback method, terminal, base station and multiple input multiple output system

The embodiment of the invention discloses a channel information feedback method, which comprises the following steps of: according to channel quality, dynamically allocating channel information feedback bit numbers for each channel; according to the channel information feedback bit numbers dynamically allocated for each channel, determining the capacity of channel state information codebooks of each channel and generating the channel state information codebooks; determining feedback code words in the channel state information codebooks according to channel state information, wherein the feedback code words are used for feeding the channel state information back; and transmitting matching results of the channel information feedback bit numbers and index numbers of the feedback code words, wherein the index numbers are used for identifying the feedback code words. Correspondingly, the embodiment of the invention also discloses an information processing method, a terminal, a base stationand a multiple input multiple output (MIMO) system. Through the technical scheme, the different channel information feedback bit numbers are dynamically allocated for each channel, which more fully utilizes feedback gain.
Owner:HUAWEI TECH CO LTD

Node voltage sag severity comprehensive assessment method based on weighted ideal point method

ActiveCN105930976AReflect objective characteristicsFully reflectResourcesNODALEntropy weight method
The invention belongs to the technical field of power quality analysis and especially relates to a node voltage sag severity comprehensive assessment method based on a weighted ideal point method. The method is characterized in that the method comprises the following steps: to begin with, establishing an attribute set and a scheme set; then, determining combination weight of each index in the attribute set based on an entropy weight method and a variation coefficient method; and finally, carrying out voltage sag severity comprehensive assessment based on the weighted ideal point method. Weighted distance between each scheme and positive and negative ideal solutions in the ideal point method and relative closeness between the scheme and the positive ideal solution are calculated respectively, and the schemes are ranked in a descending order in sequence to obtain an optimal scheme order. The method reflects voltage sag severity from the perspectives of frequency, duration and amplitude angle, and reflects influencing characteristics of sag frequency on the voltage sag severity from perspectives of the part and the whole, so that erroneous judgment due to single-index assessment is effectively prevented, voltage sag information of each node can be reflected more comprehensively and accurately, and the obtained result is objective, accurate and more realistic.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)

A method and a system for providing enterprise portraits

ActiveCN109658478AMeet the needs of quickly and accurately understanding the enterpriseFully reflectEditing/combining figures or textMarket data gatheringThe InternetLabeled data
The embodiment of the invention provides a method and system for providing enterprise portraits, and belongs to the technical field of information. The method comprises the following steps of: obtaining identification information of a target enterprise and collecting tax-related data and internet public data of the target enterprise according to the identification information of the target enterprise, preprocessing the tax-related data and the internet public data of the target enterprise to obtain index data corresponding to portrait elements in a preset enterprise portrait label index strategy corresponding table, analyzing and processing the index data according to the enterprise portrait label index strategy corresponding table and a preset enterprise portrait label model to obtain portrait label data of a target enterprise, and generating an enterprise portrait of the target enterprise according to the portrait label data of the target enterprise. According to the embodiment of the invention, based on the collection and mining of the tax-related data of the enterprise, the business behavior and the business state of the enterprise can be comprehensively, clearly and accuratelyreflected, so that a real and reliable enterprise portrait is provided for the user, and the requirement of the user for quickly and accurately understanding the enterprise is met.
Owner:爱信诺征信有限公司

Monitoring method and related equipment for air quality

The application discloses a monitoring method for air quality. The monitoring method comprises the following steps: acquiring air information through a first sensor set, wherein the air information contains at least one of wind direction, wind speed, temperature, humidity and air pressure; acquiring mass concentration information of particulate matters through a second sensor set, wherein the massconcentration information of the particulate matters is used for expressing the content of the particulate matters in a to-be-monitored environment; acquiring concentration information of gaseous pollutants through a third sensor set, wherein the concentration information of the gaseous pollutants is used for expressing the content of the gaseous pollutants in the to-be-monitored environment, andthe gaseous pollutants contain at least one of carbon dioxide, nitric oxide, carbon monoxide, nitrogen dioxide, sulfur dioxide, total volatile organic compounds and ozone; and determining environmentquality information according to the air information, the mass concentration information of the particulate matters and the concentration information of the gaseous pollutants, wherein the environment quality information is used for indicating quality conditions of air. The application also provides monitoring equipment for the air quality. The application is used for improving the reliability ofthe environment quality information.
Owner:深圳市卡普瑞环境科技有限公司
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