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

88results about How to "Clear distribution" patented technology

Method for preparing magnetic P-type molecular sieve by using coal gangue

The invention discloses a method for preparing a magnetic P-type molecular sieve by using coal gangue. The method comprises: 1, grinding coal gangue, and carrying out high temperature calcining activating on the grinded coal gangue by using sodium carbonate; 2, oxidizing at a low temperature, adding hydrochloric acid, soaking, and filtering; 3, preparing an iron-doped molecular sieve from the filtration residue and the filtrate obtained after the filtration; and 4, placing the iron-doped molecular sieve in a porcelain boat, placing the porcelain boat in a tubular furnace, introducing nitrogen into the tube furnace, introducing hydrogen after the air in the tubular furnace is completely discharged, heating to a temperature of 650-700 DEG C, continuously carrying out a reduction reaction for 2-3 h, introducing nitrogen after completing the reaction, and cooling to a room temperature to obtain the magnetic P-type molecular sieve. According to the present invention, the coal gangue is used as the raw material, the Fe<3+> dissolution is performed with hydrochloric acid and is complexed by adding oxalic acid, and finally high temperature reduction is performed to prepare the magnetic P-type molecular sieve; the magnetic P-type molecular sieve has characteristics of high specific surface area and strong adsorption performance; and the magnetic P-type molecular sieve is easy to separate and recover through the external magnetic field, and the problem of high cost of the molecular sieve synthesis is solved.
Owner:XIAN UNIV OF SCI & TECH

Magnetic tension gradient data balance boundary identification method based on analysis signals

The present invention discloses a magnetic tension gradient data balance boundary identification method based on analysis signals. The method comprises the following steps of: S1, analyzing signal features based on a magnetic tension data direction, and establishing a reasonable analysis signal ratio function to achieve boundary identification work; S2, employing the ratio function to balance effects of geologic bodies with different depths, employing a balance boundary identification technology of different order derivative ratios of direction analysis signals, and obtaining a convergent boundary result; S3, employing a balance boundary identification filter based on the analysis signal ratio to obtain the range of the geologic bodies; and S4, enhancing the resolution of the boundary identification result based on a step balance boundary identification filter based on the analysis signal derivative ratios. The magnetic tension gradient data balance boundary identification method basedon analysis signals can accurately and clearly give the regional mineral distribution, improves the resolution of geologic bodies with large depths while reducing the inclination magnetization interference, and has a large application prospect for the deep mineral resource exploration.
Owner:JILIN UNIV

Raw materials of health preserving white spirit, dendrobium health preserving white spirit and manufacturing method thereof

InactiveCN102250731AOvercome the technical problem of incomplete removal of precipitationEliminate precipitationAlcoholic beverage preparationUltrafiltrationCoupling
The invention relates to the field of health food and particularly relates to raw materials of a health preserving white spirit, a dendrobium health preserving white spirit and a manufacturing method thereof. The raw materials of the health preserving liquor are characterized by comprising the following components in parts by weight: 1-3 parts of dendrobium, 1-3 parts of rhizoma polygonatum and 1-2 parts of medlar. According to the invention, three types of medicine food homology plant raw materials are reasonably collated to serve as the raw materials of the health preserving white spirit for developing dendrobium nectar, and the dendrobium health preserving white spirit provided by the invention is higher in market value; and meanwhile, the preparation process disclosed by the invention is a combination of a modern food new technology and the traditional method, a multilevel coupling clarification technology is adopted, and a chemical clarification technology and an ultrafiltration clarification technology are jointly applied to the production of white spirit products, thus the precipitation can be effectively eliminated, the product quality can be ensured and the technical problem existing in the liquor production in the prior art can be better solved.
Owner:龚戴强

Fragmental rock oil and gas reservoir development unit partitioning method

InactiveCN104653156AIn line with actual productionThe evaluation of the development effect is reasonableFluid removalResidual oilDynamic data
The invention provides a fragmental rock oil and gas reservoir development unit partitioning method. The method is characterized in that an oil and gas reservoir with known injection-production pattern information is longitudinally and planely partitioned, so that the oil and gas reservoir is partitioned into more than two development units, the static connectivity and dynamic connectivity are analyzed for the plane partitioning, the fault properties and hydrodynamic property are further judged, the output ratio of two adjacent production wells is calculated, and finally a seepage field range and a main stream line position can be determined. Compared with the prior art, the partitioning of the development unit is in conjunction with the static and dynamic data of the oil and gas reservoir, and the partitioning of the development unit which is carried out by adopting the seepage field in the development as the unit can well conform to the real production of the oil and gas reservoir. The evaluation on the development effect of the fragmental rock oil and gas reservoir carried out on the basis of the method is more reasonable, the distribution of the residual oil is more clear and reliable, and the guidance significance on implementing the subsequent production means of the oil and gas reservoir and improving the recovery ratio can be realized.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)

LED (light emitting diode) front car lamp

The invention discloses an LED (light emitting diode) front car lamp, belonging to the field of illumination devices. The front car lamp comprises a lower beam lamp set, a higher beam lamp set, a PCB (printed circuit board) and a heat radiator, wherein the lower beam lamp set and the higher beam lamp set are installed on the PCB; the rear part of the PCB is provided with the heat radiator; the lower beam lamp set comprises an LED lamp and a lower beam cup; the higher beam lamp set comprises an LED lamp and a higher beam cup; the inner surfaces of the lower beam cup and the higher beam cup are mirror surfaces, and the mirror surfaces are divided into a plurality of irregular free-form surfaces axially; and the cup bodies of the lower beam cup and the higher beam cup are both divided into at least three sections axially, and each section is used for illuminating different areas. The lower beam cup and the higher beam cup of the front car lamp have high light efficiency, the amount of applied LEDs is less, and the heat radiation issue of the LED lamp is solved, thus the full LED of the front car lamp is realized; also the front car lamp provided by the invention is simple in structure, does not need excessive optical accessories the light energy loss is reduced, simultaneously the cost is lowered, and the front car lamp can be widely popularized and applied.
Owner:GUANGZHOU UNIVERSITY

River chief system water environment governance management and control system and method thereof

The invention discloses a river chief system water environment governance management and control system, which comprises a plurality of water quality monitoring devices, a plurality of emission monitoring devices and a plurality of surveillance cameras, wherein the water quality monitoring devices are distributed in a set geographic area; the surveillance cameras are distributed in each water area in the geographic area; the water quality monitoring devices, the emission monitoring devices and the surveillance cameras are independently connected with a management and control subsystem through a wired and/ or wireless communication way; all water quality monitoring devices, emission monitoring devices and surveillance cameras in one or a plurality of water areas in the geographic area are connected with a network terminal and/ or mobile terminal which is in charge of one or the plurality of water areas; and the network terminal and/ or mobile terminal is connected with the management and control subsystem. By use of the system, the quality of a plurality of water bodies and the sewage situation of a drain outlet in the geographic area can be monitored in real time, and the water bodies and sources are jointly supervised.
Owner:何顺兰

CO2 and reservoir fluid replacement rule experimental method after dry fracturing soaking

ActiveCN112459754AClear rules of substitutionDetermine the efficiency of displacement of reservoir fluidsSurveyOther gas emission reduction technologiesRock coreReservoir fluid
The invention belongs to the technical field of oil well fracturing, and particularly relates to a CO2 and reservoir fluid replacement rule experimental method after dry fracturing soaking. The methodcomprises the following steps of selecting a plunger rock core sample in a target area, pressing the plunger rock core sample into a crack, putting the crack into a CT holder, saturating formation water for the treated plunger rock core sample, and displacing the formation water in the crack rock core; establishing irreducible water saturation, saturating stratum crude oil with the treated plunger core sample, measuring saturated oil quantity V<0>, acquiring an initial pore structure and fluid distribution characteristics of the treated plunger core sample, injecting CO2 according to preset pressure, scanning, soaking in a well, performing CT scanning for a set time within preset soaking time, performing flowback until soaking is finished, measuring the flow-back oil quantity V<1> and calculating the replacement efficiency; carrying out CT scanning to obtain a pore structure and fluid distribution characteristics of the fractured rock core after CO2 replacement; and comparing and analyzing the pore structure and the fluid distribution characteristics before and after CO2 injection to obtain the reservoir fluid replacement rule of the target area.
Owner:BC P INC CHINA NAT PETROLEUM CORP +1

Regional geological disaster trend prediction method and system

The invention provides a regional geological disaster trend prediction method and system, and relates to the field of geological disaster prediction. The regional geological disaster trend prediction method comprises the following steps: firstly, acquiring geological parameter information of a current region, and then screening in a preset reference terrain library according to the geological parameter information of the current region to obtain reference region information; extracting historical geological disaster information in the geological parameter information of the current region and historical geological disaster information in the reference region information, and training according to the historical geological disaster information and the historical geological disaster information to obtain a prediction geological disaster trend model; finally, inputting the geological parameter information of the current area into the geological disaster trend prediction model, obtaining geological disaster trend information of the current area, carrying out training by adding historical geological disaster information of the reference area, thus the accuracy of the geological disaster trend prediction model is improved, the prediction result obtained through the model is more accurate, therefore, the geological disaster trend of the current area is more accurate.
Owner:WEIFANG UNIV OF SCI & TECH

Outdoor distribution box

The invention relates to an outdoor distribution box. A casing is divided into an upper cavity and a lower cavity through a separator plate, and the upper plane of the casing is provided with a small hole; a lightning protection apparatus comprises a lightning protection chip and a protective cover, and the protective cover is connected with the side wall of the casing; a fire protection apparatus comprises a fire-extinguishing pot and a nozzle which are connected and is installed at the upper surface of the casing, and the nozzle is cylindrical-shaped and is inserted in the small hole in the upper surface of the casing; an electric appliance installing plate is arranged inside the casing, the installing plate is L-shaped, the plane where an L-shaped long edge is disposed is installed at the rear plane of the casing, and the plane where a short edge is disposed is installed at the bottom surface of the casing; and the installing plate and the casing are connected through a buffer spring pin. The outdoor distribution box has the following advantages: the outdoor distribution box is provided with the fire protection apparatus and the lightning protection apparatus, the apparatus structure is simple, and the safety performance is high; the buffer spring pin is installed between the electric appliance installing plate and the casing, a buffer effect is exhibited, and components inside the distribution box are protected; and an arc-shaped top plate and diversion trenches are arranged at the top portion of the outdoor distribution box, the outdoor distribution box functions well in rainy days, and the waterproof effect is good.
Owner:NANTONG NINGHAI MACHINE ELECTRIC APPLIANCES CO LTD

Self-balancing foot stool of unmanned rotorcraft, unmanned rotorcraft and method

PendingCN113353245AClear distributionAccurately measure relative distancesUndercarriagesAircraftsLaser rangingControl signal
The invention discloses a self-balancing foot stool of a unmanned rotorcraft, the unmanned rotorcraft and a method. The unmanned rotorcraft comprises a vehicle body and a flight control board installed on the vehicle body, an inertial sensor and a single chip microcomputer are installed on the flight control board, and the inertial sensor is used for obtaining an attitude angle. The self-balancing foot stool comprises: a shell; a driving module which is installed on the shell, receives a control signal of the single chip microcomputer and converts the control signal into a driving signal of the self-balancing foot stool; a telescopic module which is installed on the shell and used for receiving the driving signal and outputting the telescopic amount according to the driving signal; and a laser distance measuring sensor which is installed at the bottom end of the telescopic module and used for obtaining the relative distance between the laser distance measuring sensor and the ground and sending relative distance data to the single chip microcomputer, wherein the single-chip microcomputer receives the attitude angle and the relative distance, analyzes and processes the attitude angle and the relative distance, and outputs the control signal.
Owner:ZHEJIANG UNIV OF WATER RESOURCES & ELECTRIC POWER

Method for manufacturing inorganic artificial stone imitating natural marble texture

The invention discloses a method for manufacturing an inorganic artificial stone imitating a natural marble texture. The method comprises the following steps of: sequentially stacking monochrome materials layer by layer to obtain multilayer materials; uniformly scattering pre-prepared toner on the multilayer materials, and rolling by using a roller to combine the toner with the multilayer materials; sieving the rolled multilayer materials to obtain strip-shaped sieved materials; putting the sieved materials into a mold for pressing to obtain a rough board; and curing the rough board to obtainthe finished stone. The multilayer materials are sequentially obtained by stacking the different monochrome materials layer by layer, the pre-prepared toner is uniformly scattered on the multilayer materials and rolled by the roller, then the strip-shaped sieved materials are obtained through screening treatment, and inorganic artificial stones with natural marble textures are obtained through pressing based on the strip-shaped sieved materials. The manufacturing method is simple in production process and low in production cost, and the marble texture of the inorganic artificial stone manufactured based on the method is clear and natural in distribution.
Owner:CHINA STATE CONSTR HAILONG TECH CO LTD
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