1084results about How to "simple method" patented technology

A method for producing a plurality of electronic job pages using a digital camera and a computer comprises the steps of capturing and storing a first group of digital images using the digital camera; designating, in response to a user input, that subsequent captured digital images are to form a second group of digital images; and capturing and storing a second group of digital images using the digital camera. The method further includes the steps of storing data in a memory of the digital camera which identifies the first and second groups of digital images; transferring the first and second group of digital images, and the data identifying the first and second groups of digital images, from the digital camera to the computer; and using the transferred data identifying the first and second groups of digital images to produce a first electronic job page including the first group of digital images and a second electronic job page including the second group of digital images.

A method to dynamically generate a topic audience for a primary user to participate therein is disclosed. The topic audience is defined by users interested in a same discussion topic of a plurality of discussion topics within an electronic discussion group, the topic audience having a size value defined by a number of users interested in the same topic. The method includes specifying a target topic of discussion including a first topic audience defined by users interested in the target topic, searching the plurality of discussion topics, identifying a set of topics related to the target topic, making available to the primary user for selection the set of topics related to the target topic, and expanding the first topic audience to be defined by a second user interested in the selected topic.

The invention relates to an aluminum silicon alloy refining agent and the manufacturing method, which belongs to the aluminum silicon alloy refining agent research and development field. The aluminum silicon alloy refining agent is configured of potassium chloride, sodium chloride, zinc chloride, sodium fluoaluminate, sodium fluosilicate, sodium nitrate, graphite powder, charcoal powder, hexachoroethane, sodium fluoborate and potassium fluotitanate. The materials are mixed, smashed and pressed into blocks. The using method of the manufactured refining agent: when the temperature of the melted aluminum alloy fluid reaches 720 to 760 DEG C, the refining agent blocks are put into a melting pot to perform the reaction. The reaction time is 10 to 25 minutes. The floating slag is removed, and then the product is cast. The method of the product is simple, the implementation is easy, and when the refining agent manufactured in the method is used for the casting of aluminum silicon alloy, air holes can not be formed on the cast product surface, the content of oxide inclusions in the cast product is obviously reduced, and the cast product quality is greatly improved. The air holes can be reduced by one to two grades. The level of the oxide inclusions is about the second grade. The aluminum silicon alloy refining agent solves the problem that the prior refining agent and the processing method are not ideal.

The invention provides a method for preparing nanosilver powder in batches, belonging to the field of nano-material preparation. Nanosilver particles are synthetized in two steps, at first, a low-concentration reducing agent solution is slowly added into a solution mixed with silver salt, a protective agent, and a pH conditioning agent drop by drop, and then a high-concentration reducing agent solution is rapidly added drop by drop to obtain a nanosilver mixed solution; impurities in the nanosilver mixed solution are removed through a membrane separation device to obtain a nanosilver dispersion liquid; and at the end, absolute ethyl alcohol and a high-molecular dispersant are added into the nanosilver dispersion liquid, and spray drying is carried out by a spray drying device to obtain nanosilver powder in a certain particle size. The particle size of the prepared nanosilver powder is controllable, the batches are stable, the problems of non-uniform particle size during the synthesis of nanosilver, nanosilver separation, and agglomeration and acaking during powder preparation are solved, the preparation process and the operation are simple, and industrial and batches production is realized.

The configuration method for an installation comprising solar protection and/or lighting devices controlled by a central unit comprising a memory, microprocessor and a user interface, is characterized in that method comprises an iteration, over all of the solar protection and/or lighting devices, and comprises a parameterization step that includes phases of entry and recording of data defining the exposure of the opening fitted with the solar protection device with respect to the sun, entry and recording of data defining the type of device, and entry and recording of data defining the maximum desired depth of penetration of the sun into the building, and/or the sought visual comfort. The method further comprises a calculation step whereby for each device, coefficients for a control algorithm and/or a control algorithm, intended to control the device, are calculated.

The invention provides an energy consumption prediction method for use in the service process of a numerically-controlled machine tool specific to the current situation of the lack of an energy consumption prediction method for a numerically-controlled machine tool. In the method, an energy prediction model for use in the service process of a numerically-controlled machine tool based on energy prediction of three types of sub-processes such as starting, idle load and processing on the basis of energy consumption characteristic analysis for the service process of the numerically-controlled machine tool. The energy prediction model for every type of sub-process is resolved respectively, so that an energy consumption prediction result of an entire numerically-controlled machine tool service process is obtained. According to the method, the energy consumption of a machine tool processing process can be predicted directly according to numerical control processing technic parameters.

The invention relates to a preparation for carbon fiber paper used for a gas diffusion layer of a proton exchange membrane fuel cell, which comprises the following steps: (1) carrying out water treatment on asphalt base carbon fiber, and carrying out activation treatment on PAN base pre-oxidized fiber; (2) chopping the fibers; (3) mixing the chopped fibers, and then carrying out wet papermaking forming to obtain raw paper; (4) dispersing carbon nano tubes and/or conductive carbon black grains in resin solution; (5) spraying the resin solution on the upper surface and the lower surface of the raw paper, drying the raw paper and then thermally pressing the raw paper into a semi-finished product; and (6) thermally treating the semi-finished product to obtain the carbon fiber paper. The preparation has simple process and low cost, and is suitable for industrialized production; and the carbon fiber paper has good electric conductivity, high porosity, smooth surface, compact structure and proper flexibility and rigidity.

The invention discloses a method for detecting a CP type during initial cell search in an LTE system. The method comprises the following steps: acquiring a PSS timing position and a sector ID of a receiving sequence; extracting sequences of positions of SSS in the receiving sequence according to the conventional CP and the expanded CP based on the PSS timing position respectively, and carrying out correlated detection for the local SSS corresponding to the sector ID to acquire two correlation sets; and determining the CP type corresponding to the correlation sets where correlation peak valuesare positioned as the practical CP type used by the cell. The invention also discloses a corresponding device. The device comprises a timing position module and a correlation comparing module. The method and the device have the advantages of accurate judgment, simple method, and capability of being used for FDD-LTE and TDD-LTE frame structures.

The invention relates to a method for rolling special thick board by means of vacuum compositing, belonging to the technical field of metallurgy, which comprises the following steps of: 1. leading the faces to be composited of blanks on the horizontal direction to be opposite to each other and completely overlapped with each other, and lifting up the blanks with a mechanical lifting device; 2. welding the periphery of the joint face of the two blanks by means of vacuum electron beam in vacuum; and 3. rolling the welded blanks. The method has the advantages that the composite faces of the special thick board has no impurity, and the separation distance is previously set on the faces to be composited of the blanks before vacuumizing to prevent some air from being sealed in the composite faces before welding and prevent the composite faces from being oxidized; and by moving the blanks, the two faces to be composited are parallel with each other when jointing not to influence the electron beam welding caused by the irregular of the end part. The method is simple and convenient in operation, has obvious effect, and has good application foreground.

The invention relates to a method for preparing graphitized nano carbon, which relates to a method for preparing the nano carbon. The method solves the problems of low yield, low purity and uncontrollable shape in the prior art for preparing the graphitized nano carbon. The method comprises: coordination of carbon sources and metallic ions; complex curing; heat treatment; and activation treatment, so as to obtain the graphitized nano carbon. The graphitized nano carbon prepared by the method has high yield, high purity and controllable shape. The method is simple, easy to operate, and suitable for industrial production.

The invention relates to a preparation method of a flexible binding agent-free self-support combination electrode, comprising the following steps of: adding active electrode materials into flexible conductive material-containing even dispersion liquid according to specified proportion or generating electrode precursor materials of active electrode materials in the manner of proper reaction; sufficiently stirring, so that the active electrode materials are evenly dispersed among the active electrode materials or the surfaces of the active electrode materials; and adding third phase material-containing even dispersion liquid according to specified proportion, stirring, filtering, washing, and drying.

The invention relates to a method for preparing porous membranes based on selective swelling of block copolymers. The method includes the steps of preparing a block copolymer (a block copolymer is formed by a block A and a block B) solution, preprocessing microfiltration basement membranes, coating the block copolymer solution on the processed microfiltration basement membranes, placing the microfiltration basement membranes coated with the block copolymer solution in a drying cabinet for vacuum heat treatment (a block copolymer layer solvent is volatilized to form membranes in the process), submerging the microfiltration basement membranes coated with the copolymer thin membranes in a solvent which has a selective swelling effect on one block of the block copolymer to be processed for a while, and taking out the microfiltration basement membranes coated with the copolymer thin membranes from the solvent for drying to obtain the compound porous membranes with block copolymer layers as separation layers and microfiltration basement membranes as supporting layers. The method is simple to operate, convenient and controllable. Chemical reaction is not involved, the prepared compound membranes have high mechanical strength, neat surface structure, and apparent potential of hydrogen (pH)-stimulus sensitivity, show good separation performances and have broad application prospects.

The invention relates to a method for accurately measuring height with a total station, which is a new method for accurately measuring the height. The technical scheme provided in the invention is that the total station is arranged between a front viewpoint and a rear viewpoint and leveled, and a leveling distance measuring prism holder of two equally high centering rods is arranged on the front and rear viewpoints to implement measurement (see the figure). When implementing measurement, the crosshairs center of a total station telescope aims at the center of a rear viewpoint reflection prism to measure distance, record the height difference reading (VD) of the rear viewpoint, and read the height difference reading of the front viewpoint according to the method; the difference between the height difference readings of the front and rear viewpoints is the height difference of the front viewpoint relative to the rear viewpoint, and the sum between the height difference and the height of the rear viewpoint is the height of the front viewpoint. The invention can be widely used in common measurement and engineering measurement.

The invention relates to a method for realizing an intelligent program list function on a television, which is characterized by comprising the following steps of: step 1. providing a television client plug-in which extracts information of a television program watched by a client from television client EPG (Electronic Program Guide) information; step 2. providing a server which receives the information extracted by the plug-in via a network for integration and processing, counting the repeated information and ordering all the counted information based on the television program names corresponding to the information in terms of watching times from high to low, thereby generating a television program ordering list; and step 3. performing data extraction on the television program ordering list fed back by the server through the television client plug-in, thereby generating a program list to be selected by a user. The invention not only realizes an intelligent program list on a television, but also provides a more scientific acquisition and statistic method of television audience rating.

The invention provides a preparation method of a graphene quantum dot/nanometer silicon negative electrode material for a lithium-ion battery. Amino acid functional graphene quantum dots are prepared by high-temperature pyrolysis of a mixture of a citric acid and an amino acid as a carbon source; and then a graphene quantum dot/nanometer silicon compound is obtained by coating the graphene quantum dots on the surface of nanometer silicon particles. A research shows that the electron/ion conductivity of a silicon negative electrode is improved by introduction of the graphene quantum dots; and the compound has significantly improved specific capacitance and high rate capability and cycling stability as the negative electrode material for the lithium-ion battery. The preparation method can be widely applied to various high-capacity lithium-ion batteries.

The invention discloses a fresh water aquaculture method for penaeus vannamei. The fresh water aquaculture method comprises the following steps of: preparing a penaeus vannamei pond; desalting penaeus vannamei larvae; improving the immunity of the penaeus vannamei by using Chinese herbal medicines; regulating and controlling the water quality; biologically preventing and controlling; and daily managing and harvesting the penaeus vannamei. The fresh water aquaculture method is characterized by comprising the following steps of: artificially enclosing colored cloth at corners of a fish pond to form a desalination box; artificially configuring chemical raw materials into sea water in the desalination box and gradually desalting the sea water to form fresh water; enabling the penaeus vannameilarvae to gradually adapt to the growth in the fresh water; carrying out health care in the growth process by adopting the Chinese herbal medicines researched by Zhongshan University; and controllingthe water body by using a clarias leather or grass carp to prevent pests from being spread. Under the condition of sufficient feed, the penaeus vannamei can quickly and healthily grow. The fresh water aquaculture method is simple, easy in operation and convenient in popularization and application; according to the breeding demonstration of 68 popularizing demonstration sites with 2000mu in Li county of Hunan Province, 400-600 kilos of penaeus vannamei are produced in each mu, the production value is 12800-19200yuan, the profit is 8000-12000yuan of each mu and the cultivation success rate reaches 100 percent; and the fresh water aquaculture method is deeply favored by local farmers.

The present invention relates to a Retinex-based fast nighttime fog image restoration method. According to the method, a single color image of nighttime fog is processed, so that the visual perception for the color image can be clear; the illuminance images of each color component are estimated through adopting a guided filter with an edge-preserving property, and local contrast coefficients are calculated; Otsu threshold segmentation is performed on a maximum value channel image of the original image; the Gamma parameters of each pixel are estimated adaptively; Gamma correction and contrast preservation are carried out on the illuminance images; a brightness enhanced image is transformed into an HSV space; contrast enhancement is carried out on a brightness channel V through a CLAHE algorithm; and the image is transformed into an RGB space, so that a restored image can be obtained. The method of the invention has universality. With the method adopted, the definition of a defogged image can be effectively improved, the color cast phenomenon of the image can be corrected effectively, the details of the enhanced image are clear, and the colors of the enhanced image are natural.

The invention relates to a method for positioning faults of a power distribution network based on the amplitude analysis of a three-phase current. The method comprises the steps of collecting the three-phase current of the power distribution network in real time, carrying out amplitude analysis on phase current of each phase before and after a single-phase earth fault once the single-phase earth fault occurs, carrying out deviation calculation by collecting phase currents with the same phase position at a starting moment so as to realize the amplitude calculation of a current phasor, simultaneously filtering the influences of load currents and interphase capacitance currents, and calculating a valid value of the change of each phase current. A monitoring device mounted at a certain point of a circuit can detect whether a detection point is located at a fault route by analyzing the change amount of the amplitude of the three-phase current. Based on the amplitude characteristics of the three-phase current after the single-phase earth fault occurs, a zero sequence current does not need to be synthesized, so that the analytical calculation quantity of a main station is reduced; and the method has relatively high practical values in the engineering.

The invention discloses a spherical hollow porous MnO/C composite material and an application thereof. The spherical hollow porous MnO/C composite material is obtained by the following steps: with natural algae cells as a carbon source and a template and with a mixed solution of potassium permanganate and sodium sulfate as a chemical plating solution, uniformly adsorbing manganese dioxide on the surfaces of the natural algae cells through an impregnation method, so as to obtain a natural algae cell precursor adsorbed with the manganese dioxide; adding a solution containing a reducing carbon source to the natural algae cell precursor adsorbed with the manganese dioxide; and reacting the solution containing the reducing carbon source with the natural algae cell precursor adsorbed with the manganese dioxide for 1-6 hours under the protection of chemical inert gases at 400-700 DEG C, so as to obtain the spherical hollow porous MnO/C composite material. According to the invention, the obtained spherical hollow porous MnO/C composite material has the advantages of excellent rate capability and excellent cycling stability and can be widely applied to the fields of high performance lithium ion batteries and the like as a lithium ion battery cathode material.

The present invention is hexagonal nanometer boron nitride microsphere and its synthesis process and application. The hexagonal nanometer boron nitride microsphere is laminated structure of 30-150 nm diameter and with 30-50 nm diameter fraction not less than 60 %. The preparation process includes the esterification between boron oxide and monobasic alcohol to produce the mixture of trihydroxy boric acid ester and boric acid, carrying the mixture into nitriding furnace to react with excessive ammonia at high temperature, and washing the reaction product with methanol to eliminate boron oxide to obtain hexagonal nanometer boron nitride microsphere. The preparation process is simple, reliable, low in cost and suitable for large scale production, and the synthesized hexagonal nanometer boron nitride microsphere has high purity and is used as lubricant.

The invention discloses three-dimensionalgraphene composite aerogel. High-molecular material nano fiber with a biomass polysaccharide structure is compounded with oxidized graphene through a surface electrostatic-force effect, and then the composite aerogelis prepared by utilizing hydrazine hydrate reduction and a method for high-temperature pyrolysis in an inert atmosphere. The invention further discloses a preparation method of the three-dimensionalgraphene composite aerogel. The method for preparing the three-dimensionalgraphene composite aerogel is simple, easy to operate, large in specific surface area, uniform in pore size distribution and good in electrical conductivity, and the chemical reactivity is improved.

The invention discloses a method for breeding a mung bean sterile mutant based on CRISPR/Cas9 gene editing technology and a special gRNA. The method comprises the following steps of: transferring theCRISPR/Cas9 plasmid of a plant containing a gRNA sequence into a mung bean, thereby editing the ORF region of the mung bean VrPUB4 gene shown in SEQ ID NO. 1, wherein the DNA sequence corresponding tothe gRNA is shown in any one of SEQ ID NO. 2 to SEQ No. 21. According to the invention, the sequence of the gene VrPUB4 shown in SEQ ID NO. 1 is edited by using the CRISPR/Cas9 gene editing technology, wherein an insertion/absence (InDel) in the gene may cause the loss of the gene function due to shift code variation, which may cause a sterile gene editing plant. According to the invention, a newmethod for breeding male sterile mung bean is provided, which provides new germplasm resource for cross breeding of mung beans.

The invention discloses a preparation method of carbon nitride compound with high catalytic degradation activity and belongs to the technical field of photocatalyst preparation. According to the preparation method disclosed by the invention, tripolycyanamide, zinc nitrate hexahydrate and 2-methylimidazole are utilized as raw materials, and ZIF-8/g-C3N4 compound can be finally obtained through calcining and solvent heat treatment. Adsorption capacity of the synthesized ZIF-8/g-C3N4 compound to organic pollutants is enhanced; meanwhile, service life of electron-hole pairs is prolonged, transferof photo-induced electrons is promoted, catalytic degradation activity to the organic pollutants is higher under the simulated sunlight, a degradation rate is 3.03 times of that of original g-C3N4, and higher practical application value is achieved.

The invention discloses a preparation method of a tobacco endogenous perfume and application thereof. The tobacco endogenous perfume is prepared by carrying out column separation through adopting macroporous resin after carrying out ultrahigh-pressure extraction on crushed aromatic tobacco; and the prepared tobacco perfume has a clear appearance and is more suitable for the cigarette production. According to the invention, the method is simple and practical, is convenient to operate and is lower in cost; the resin can be repeatedly used; time is greatly saved; extracted effective aroma components have high value; and when the tobacco endogenous perfume is applied to cigarettes, the native aroma of the tobacco is increased, smoke is coordinated, the smoke is delicate and soft and the sweet feeling is increased.

The present invention provides one kind of nanometer MoO3 stick and its preparation process. The laminated nanometer MoO3 stick in orthorhombic system has length 1-10 microns, 3-9 laminated MoO3 layers, thickness 50-200 nm and width 60-120 nm. The preparation process includes dissolving molybdenum oxide or molybdate in hydrogen peroxide solution via intense stirring for 30-50 hr to form sol, transferring the sol into stainless steel reaction tank with PTFE lining, hydrothermal treatment at 150-180 deg.c for 4-6 days, naturally cooling to room temperature to obtain hydrothermal product, anhydrous ethyl alcohol washing and water washing, and drying. The preparation process is simple, high in reproducibility, controllable, and environment friendly. The prepared nanometer MoO3 stick has high surface activity and may be filmed via brushing or spraying and prepared into electrochemical and optical devices directly or after being mixed with other superfine powder.

The invention discloses an extraction method of kinematics parameters based on head-top-point three-dimensional motion trails. The extraction method includes calibrating internal parameters and lens distortion coefficients of multi-view cameras, calibrating space position relationship among the multi-view cameras, positioning an initial position of the head-top-point of a human body, obtaining the three-dimensional motion trails of the head-top-point of the human body in a three-dimensional space by tracking the motion trails of the head-top-point in a human body motion image according to the mapping relation between a three-dimensional world coordinate system and a two-dimensional image coordinate system in a multi-view system, carrying out standard preprocessing on the three-dimensional motion trails of the head-top-point of the human body to obtain height waving information and swinging motion information in motion of the human body, and extracting the kinematics parameters from the height waving information and the swinging motion information. The extraction method is beneficial for barrier diagnosis of pathology gaits, formulation of a rehabilitation treatment scheme and therapeutic effect evaluation in clinical rehabilitation medicine.

The invention provides a gamma correction system and a gamma correction method. The gamma correction method includes: acquiring the color coordinates and the brightness values of a R sub-pixel, a G sub-pixel, and a B sub-pixel; calculating the target brightness values of the R sub-pixel, the G sub-pixel, and the B sub-pixel according to the color coordinates and the brightness values of the R sub-pixel, the G sub-pixel, and the B sub-pixel, and calculating the brightness value of each sub-pixel at each grayscale according to the brightness value of each of the R sub-pixel, the G sub-pixel, andthe B sub-pixel; determining whether a difference between the brightness value of each sub-pixel of the R sub-pixel, the G sub-pixel, and the B sub-pixel at each grayscale and the target brightness value of each sub-pixel is smaller than a threshold corresponding to the sub-pixel; if so, storing the grayscale value and corresponding brightness value of the sub-pixel. The gamma correction method saves storage resources, greatly shortens correction time and improves correction efficiency.

The invention discloses a layered nanoscale material and a preparation method of a composite material thereof. The preparation method comprises the following three steps: firstly, uniformly mixing a layered polymer and a precursor of a layered material to be synthesized, and polymerizing the layered polymer precursor to obtain a layered compound; secondly, using the layered compound as a two-dimensional nanoreactor, and synthesizing the layered nanoscale material and its composite material through a nucleation growth mode under confinement and induction action of the two-dimensional confinement space; and finally, decomposing the layered polymer through high-temperature treatment to obtain the required layered material and its nanocomposite. The method has wide universality. The nanocomposite of the layered material containing graphene, doped graphene and transition metal carbide, nitride, phosphide, sulfide and boride can be prepared. The method is simple and feasible. The prepared layered material has a neat structure and has potential application value in application fields of catalysis, energy storage and the like.

The invention belongs to the textile field and particularly relates to antibacterial polyester fibers. The antibacterial polyester fibers are prepared through melt spinning from the following materials in parts by weight: 100 parts of PET (polyester) chips and 2-5 parts of antibacterial polyester master batch, wherein the antibacterial polyester master batch is prepared from PET chips as well as a preprocessing nano-silver antibacterial agent with weight accounting for 2%-5% of that of the PET chips, an antioxidant with weight accounting for 2%-3% of that of the PET chips, a lubricant with weight accounting for 0.1%-2% of that of the PET chips and a dispersant with weight accounting for 1%-3% of that of the PET chips through melt blending and extruding, and the preprocessing nano-silver antibacterial agent is nano silver subjected to coating treatment through a hydroxypropyl-beta-cyclodextrin solution in a fluidized bed. According to the invention, uniform distribution with a small particle size of the nano-silver antibacterial agent in a PET base body is guaranteed, and the high-efficiency and long-acting antibacterial polyester fibers are prepared through melt spinning. A preparation method disclosed by the invention is simple and feasible, and is suitable for industrial popularization and application.

The manufacturing approaches of a kind of transparent feel resin and clay, its characteristic is: It by partial shipment ethylene-acetic acid ethylene polymer, starch, third 3 alcohol altogether, antiseptic. Spices mix even to add water purification mix into a mud form thing again at first together, then put into the liquid paraffin wax and mix and mix, the vaccum packaging becomes the finished product promptly. The positive result of this invention method is: With the resin that method make being clay safe and nonpoisonous, is it glue hands very to feel, it is with high costs to overcome existing technology, the difference that the products made feel. The hardness is large, shortcoming such as being short in quality guarantee period: With the emulation flowers that its made into, hands go through the rich elasticity of the sculpture handicraft, the transparency is high, not dry to split, but add and match various kinds of colored transparent pigment wantonly, richer sense of reality of production.