420results about How to "Effective combination" patented technology

A curable organopolysiloxane resin composition having a viscosity at 25° C. in the range of 0.001 to 5,000 Pa·s, a total acid number as specified by JIS K 2501 (1992) in the range of 0.0001 to 0.2 mg/g, and light transmittance in a cured state equal to or greater than 80%; an optical part comprised of a cured body of the aforementioned composition. The curable organopolysiloxane resin composition of the invention is characterized by good transparency, low decrease in transmittance when exposed to high temperatures, and excellent adhesion when required.

The invention provides a remote sensing image semantic segmentation method based on context information and an attention mechanism. For a to-be-labeled high-resolution remote sensing image, data preprocessing and data amplification are firstly carried out, and then the amplified data is used for training a remote sensing image semantic segmentation model. In the training process, preliminary features are extracted from the image through a backbone network, then multi-scale features are extracted and fused through a multi-scale context information module, then features of different levels are combined with an attention fusion module, and finally bilinear interpolation up-sampling is directly utilized to obtain a final segmentation result. For an unlabeled image, firstly the unlabeled imageis segmented into small image blocks, the small image blocks are input into a semantic segmentation network to obtain a corresponding result, and then the small image blocks are spliced to obtain a final large-size segmentation result graph.

The invention relates to a cleaning device, in particular to a cleaning device with multiple functions of shoveling, pushing, sweeping and brushing. The cleaning device with the multiple functions of shoveling, pushing, sweeping and brushing comprises a fixed plate, a T-shaped block, two rear support frames, and two front support frames; one end of the fixed plate is provided with a magnetic object; the T-shaped block is connected with one end, which is provided with the magnetic object, of the fixed plate through a telescopic mechanism; two support frames are arranged on two sides of the fixed plate and are movably connected with the fixed plate; and one sides of the front support frames are movably connected with the rear support frames and other sides of the front support frames are movably connected with the T-shaped block. The cleaning device with the multiple functions of shoveling, pushing, sweeping and brushing can treat various garbage which is difficult to treat; compared with the conventional cleaning devices such as a big broom and the like, the cleaning device with the multiple functions of shoveling, pushing, sweeping and brushing has the advantages that the efficiency is improved by multiple times, and shoveling, pushing, sweeping and brushing are effectively combined together, so that the cleaning device with the multiple functions of shoveling, pushing, sweeping and brushing can be widely applied to various living fields.

The invention discloses straw fiber reinforced foam concrete and a preparation method thereof, and belongs to the technical field of building materials. The straw fiber reinforced foam concrete comprises the following components by mass: 40-80 parts of a cementitious material; 1-20 parts of a fine lightweight aggregate; 0.05-0.6 part of straw fiber; 2-8 parts of a chemical foaming agent; 0.5-4 parts of a physical foaming agent; 0.02-0.14 part of a foam stabilizing agent; 0.1-0.8 part of a catalyst; 0.05-0.6 part of a thickening agent and 15-30 parts of water. The preparation method is as follows: mixing and stirring the cementitious material, the straw fiber and the thickening agent, then adding the water, the chemical foaming agent, the foam stabilizing agent and the catalyst, stirring to obtain a slurry mixture, then adding expanded vermiculite, stirring to obtain chemically foamed foam concrete; adding the physical foaming agent into the chemically foamed foam concrete, stirring, pouring into a mould, and demoulding after concrete is solidified and hardened to prepare the straw fiber reinforced foam concrete. The straw fiber reinforced foam concrete has a more uniform multihole structure, and the water proof, sound insulation and heat insulation effects are better than that of foam concrete in the prior art.

The invention discloses a production process of high-purity sweet tea glycosides. The production process comprises the steps of extracting, condensing, flocculating, clarifying, centrifugally separating, refining macroporous resin, ion exchange resin decolorizing, using desalting resin for desalting, conducting composite decolorizing and condensing, and then conducting spray-drying on thick paste to obtain powder with color of milk white to white, namely, high-purity sweet tea glycosides with content of not less than 98%. The production process has the advantages that the high-purity debitterized sweet tea glycosides with content of not less than 98% and color of milk white to white can be produced in batch, so that the problem that the product can not be produced in batch on the market; the product can occupy the sweetener market; a feasible production process path is found to produce sweet tea glycosides in batch. According to chemical component characteristic of Guangxi sweet tea, key production links such as flocculating, clarifying, macroporous resin refining, ion exchange resin decolorizing and debitterizing, desalting resin for desalting and debitterizing, composite decolorizing and on the like are combined effectively.

A preparation method of a magnesium alloy variable-section cylindrical member by composite extrusion deformation is characterized in that the method comprises the following steps: firstly, orderly performing homogenization pretreatment and hot extrusion deformation of an AZ80 magnesium alloy blank; preparing a variable-section cylindrical force-bearing member by forward and backward composite extrusion; finally performing turning and heat treatment to obtain a magnesium alloy variable-section cylindrical member. Compared with the prior art, the invention has the following advantages that the invention can prepare large-size cylindrical members; the material grain is fine; the mechanical properties are high; and the procedures are simple.

The invention discloses a spatial spectrum attention hyperspectral image classification method based on Octave convolution, and solves the problems of large class spacing, small different class spacing and low classification accuracy in the prior art. The scheme is as follows: inputting images to be classified and preprocessing data, dividing a training set and a test set, constructing an Octave convolutional neural network, determining a loss function of the Octave convolutional neural network, training and updating the Octave convolutional neural network, testing the data of the test set, and completing hyperspectral image classification. According to the method, Octave convolution operation is used to reinforce feature representation, and a spatial attention mechanism and a spectral attention mechanism are introduced, so that the network can more accurately find an area which is more beneficial to classification and contains more comprehensive and detailed information. The method ishigh in classification precision and strong in robustness, and can be applied to analysis and management of hyperspectral image data.

The invention discloses a fire protection system and a rescue method thereof, comprising a fire alarm system, a comprehensive computing server, a linked fire protection facility component, an Anylogic computing server, a monitoring display based on a BIM building model, a BIM mobile device, a 119 control center, and a fire alarm system. Send the fire alarm signal to the integrated computing server; the integrated computing server receives the data on the fire alarm system and the Anylogic computing server and transmits the data to the linked firefighting facility components and the monitoring display based on the BIM building model; the BIM mobile device receives the data sent by the integrated computing server The 119 control center receives the data information sent by the fire alarm system and the monitoring display based on the BIM building model. The invention can quickly calculate the shortest escape route, reduce possible casualties when a fire occurs, facilitate fire rescue command, and make rescue work more intuitive and efficient.

The invention discloses a preparation method for an efficient oil absorption carbon aerogel material. The preparation method comprises the steps that firstly 1 part by weight of carbon nano tubes and 0.01 part of a surface active agent are dispersed into 4-10 parts of ethyl alcohol to obtain carbon nano tube dispersion liquid; next, the carbon nano tube dispersion liquid is slowly added into stirring graphene oxide dispersion liquid to form graphene oxide-carbon nano tube dispersion liquid; then reduction is conducted on the graphene oxide-carbon nano tube dispersion liquid by the adoption of a chemical hydrothermal reduction method to obtain graphene oxide-carbon nano tube hydrogel; finally, freeze drying is conducted on the hydrogel to obtain aerogel. According to the preparation method for the efficient oil absorption carbon aerogel material, firstly, the carbon nano tubes are dispersed into the dispersion liquid containing the ethyl alcohol and the surface active agent, then self-assembly is conducted with the high-dispersibility graphene oxide, the technology is simple, the obtain three-dimensional graphene oxide-carbon nano tube effectively combines advantages of the graphene oxide with advantages of the carbon nano tubes, good adsorption performance and mechanical strength are achieved, and the wide application prospect in the field of oil and gas fields is achieved.

The invention relates to a metal powder-cored type nitrogen austenite stainless steel flux-cored wire and a method for manufacturing the same. The metal powder-cored type nitrogen austenite stainless steel flux-cored wire comprise a carbon steel cored shell and powder filled in the shell, and is characterized in that the powder comprises, by weight, from 35% to 45% of metal chromium, from 15% to 25% of nickel powder, from 3% to 6% of ferrochromium nitride, from 10% to 15% of silicon-magnesium alloy, from 2% to 8% of molybdenum powder, from 0.5% to 2.5% of ferrotitanium powder, from 0.5% to 1% of potassium carbonate arc stabilizers, from 0.5% to 1% of aluminum-magnesium powder, from 0.5% to 1% of bismuth oxide, from 0.3% to 0.5% of sodium oxide, from 0.01% to 0.1% of rare-earth cerium and from 1% to 10% of iron powder, and the weight of the powder ranges from 40% to 50% of the total weight of the wire. Compared with the prior art, the metal powder-cored type nitrogen austenite stainless steel flux-cored wire has the advantages that weld metal has excellent mechanical properties such as good toughness and high strength after the wire is applied to welding high-nitrogen steel, and a corrosion resistant effect is good.

The invention relates to an application in the technical field of mobile payment safety verification, wherein the application is characterized in that the safety verification of the mobile payment process is achieved by the utilization of the voice recognition technology. A brand-new mobile payment safety verification method based on voice recognition is provided according to voiceprint uniqueness resulting from difference among physical structures of human vocal organs. The method supports voiceprint verification relevant to text and voiceprint verification irrelevant to text at the same time and can be effectively combined with the existing mobile payment products. While the payment process is simplified, the safety level of the payment is promoted. The whole system structure is shown in the figure 1.

The invention relates to a method for manufacturing a copper-aluminum composite tube, and belongs to the technical field of manufacturing a metal composite tube. The method is characterized by comprising the following steps: A, preparing an inner tube and a covering belt, B. performing surface cleaning on the inner tube and the covering belt, C. covering the covering belt after surface cleaning on the surface of the inner tube after surface cleaning, performing vertical covering welding to manufacture a copper-aluminum composite tube blank, D. performing linear drawing on the copper-aluminum composite tube blank without strain furling, E. final annealing, and F. winding and furling to manufacture a finished product and other processing steps. The method can be used for manufacturing a copper-clad aluminum tube, an aluminum-clad copper tube and the copper-aluminum composite tube of which an inner layer and an outer layer are copper and the middle part is aluminum; and firm metallurgical bonding can be achieved between the copper and the aluminum.

The invention discloses a remote laser radar calibration system. The calibration is carried out between a laser radar and a calibration device, and the calibration device is provided with a support, acalibration panel, and an adjustment device. The calibration panel is disposed on the support, and the adjustment device is used for adjusting the height and angle of the calibration panel. The adjustment device comprises a support which is provided with an upper part and a lower part, wherein the upper part is provided with a plurality of adjustment holes at different heights, and the lower partand a folding device are fixed through a connecting device. The adjustment device also comprises an inner rotating control device and an outer rotating control device, wherein the outer rotating control device is disposed between the inner rotating control device and the support, and the inner and outer rotating control devices have the same center. The scale position is read through the mutual rotation of the inner and outer rotating control devices, and the angle is adjusted. In addition, a fixed device can pass through the calibration panel, is disposed on the adjustment holes of the support in a bulged manner, and is fixed on the adjustment holes through a spiral fixing part.

The invention belongs to the technical field of preparation of tin dioxide powder, and relates to a preparation method of silver-doped nano tin dioxide powder. The preparation method comprises the following steps of: firstly adding citric acid solution, a surface active agent and ammonia water sequentially into mixed solution of soluble tin salt and soluble silver salt, and adjusting the pH value of a reaction system to 2.5-11, and under the action of constant-temperature magnetic stirring, generating precursor sol; then, adding the precursor sol into a hydrothermal reaction kettle, putting the hydrothermal reaction kettle in a drying oven, carrying out hydrothermal reaction, taking out the hydrothermal reaction kettle after hydrothermal reaction, cooling, and sampling; and finally, cleaning, drying and grinding to prepare a finished nano tin dioxide powder product. The tin dioxide powder prepared by the method has the advantages of fewer granularity, narrow distribution range and good dispersity; and a gas sensor based on the tin dioxide powder material has good detection performance for fault gas in transformer oil.

The invention relates to a drug target virtual screening method based on interactive fingerprints and machine learning. According to the method, based on traditional molecular docking, the interactive fingerprints of known active and non-active micromolecules and target protein are trained through machine learning to obtain a screening model of targets, and the obtained model is used for virtual screening. The specific targets are specifically trained, the specificity of each kind of targets is fully considered, and the defect of insufficient fitting of a traditional scoring function is avoided; interaction energy of each micromolecule and each residue in a binding pocket is calculated, so that effective binding sites or binding modes can be found; non-linear fitting is carried out through machine learning, and compared with linear fitting, the correlation or coupling effect between all the interaction energy can be better processed; by means of the method, enrichment of active molecules is better promoted.

The invention provides a joint sight line direction calculation method of left and right eye images of human eyes. The method includes: a two-eye information extraction model, in which a human eye image is input, and left eye and right eye information features contained in the image are respectively and automatically extracted through the two-channel model; and a joint human-eye information feature extraction model, in which two-eye images of a user are input, and two-eye information is combined to extract joint human-eye information features by the model. According to a joint algorithm provided by the invention, a three-dimensional sight line direction is calculated and obtained through inputting feature information. One of the applications of the method is virtual reality and human-machine interaction, and a principle thereof is to calculate the sight line direction of the user through shooting the eye image of the user, and thus carry out interaction with an intelligent system interface or a virtual-reality object. The method can also be widely used in the fields of training and cultivating, games and entertainment, video surveillance, medical care and the like.

The invention relates to a wireless sensor network system supporting IP protocol that sets normal wireless sensor node and central node. The system is multilayer classification network structure. The down layer has plural cluster and the central node harmonizing the sensor node, collecting the information and sending to gateway; the upper layer that connects to low layer cluster far away could take process the information to normal node. The central node connects to external network through gateway and could transmit to remote user. The gateway runs IPv4 or IPv6 protocol or IPv4/IPv6 double protocol. The invention simplifies the design for network.

The invention belongs to the technical field of the preparation of lithium ion batteries, and particularly relates to a water-based composition used for modifying diaphragm of lithium ion batteries and a polyolefin diaphragm for lithium ion batteries and lithium ion batteries. The invention aims to improve the strength of the battery cell, to reduce the expansion of thickness of battery cell at high temperature and to simplify the battery production process. The water-based composition for modifying the diaphragm for the lithium ion battery comprises a water-based adhesive for the lithium ion battery and organic nano-particle fillings dispersed in the water-based adhesive; the organic nano-particle fillings are nano-particles of the polymers 1 or nano-particles at least wrapped with the polymers 1 on the surfaces; and the particle sizes of the organic nano-particles are 50 to 2000 nm. The polymers 1 are selected from at least one of polymethyl methacrylate (PMMA), ethylene-vinyl acetate copolymer (EVA), ethylene-acrylate copolymer (EAA), ethylene-butyl acrylate copolymer (EBA), ethylene-methyl acrylate copolymer (EMA), ethylene-ethyl acrylate copolymer (EEA) or polyurethane (PTU) polymer.

The invention discloses a method and a system for establishing a product process quality prediction model. The method comprises the following steps of: acquiring site data of cigarette equipment and storing the acquired data to a database; processing the site data of the cigarette equipment, wherein the site data of the cigarette equipment include shutdown data, deletion data, yield data and product quality data of a cigarette making machine; establishing a product process quality neural network prediction model; establishing an equipment fault tree; inputting real-time data of the cigarette equipment to the product process quality neural network prediction model to obtain prediction product quality data, and controlling the cigarette equipment in combination with the equipment fault tree. According to the method and the system for establishing the product process quality prediction model based on the site data, the singleness of a data statistical analysis method can be avoided; the data of the cigarette equipment are effectively combined, a data comprehensive analysis model is established, the product quality in the next period of time is predicted, defective products are prevented from being produced, the product quality-oriented equipment management is guided.

There is provided a process for producing an α-substituted ester by reaction of a fluorosulfuric acid ester of α-hydroxyester with a Grignard reagent in the presence of a zinc catalyst. It is newly found that the reaction for production of α-substituted esters, in which the raw reaction substrate is limited to expensive trifluoromethanesulfonic acid esters, can proceed favorably with the use of fluorosulfuric acid esters suitable for mass-production uses. By the use of the fluorosulfuric acid ester high in optical purity, it is possible to obtain the α-substituted ester with high optical purity upon inversion of the asymmetric carbon configuration. The process of the present invention can solve all of the prior art problems and can be applied for industrial uses.

The invention belongs to the field of the preparation of metal powder and relates to a method for preparing spherical porous silver powder. The spherical porous silver powder is prepared by a method combining gas atomization powder preparation and de-alloying. The method comprises the following steps of: firstly, smelting pure metal silver and magnesium according to a certain proportion; secondly, atomizing alloy melt with gas to prepare spherical alloy powder; and finally, performing de-alloying on micro-powder in salt solution and washing and drying the de-alloyed micro-powder. In the method, spherical porous micro-powder is obtained by combining spray powdering and de-alloying, selected etchant solution is non-toxic and harmless neutral salt solution, operation process is simple and process is environmentally-friendly and suitable for industrial mass production. By the method, components of the alloy and a metal phase removing process can also be designed according to requirements on the porosity and specific surface area of a final product, so the structure, size and hole pattern of the porous silver powder are controlled.

A treatment method for high-salinity organic wastewater, the method adopts the process of combining adsorption, Fenton reaction and adsorbent desorption regeneration reuse, adsorbs a part of organic matter in the wastewater by activated carbon, and then adds Fenton reagent to remove a part organic matter, and then add chemical agents to desorb and regenerate the adsorbent for reuse. After the aforementioned steps, the treated wastewater can be discharged to a general domestic sewage treatment plant for final treatment, and the activated carbon in the adsorption process can basically be recycled after being regenerated. The method of the invention has the advantages of simple process, good treatment effect, convenient maintenance, no secondary pollution and the like.

The invention discloses a rear testing controlled algorism in controlling domain, which is characterized by the following: choosing energy-saving control of central air-condition as checking object; making the system operate under the condition of insufficient prior knowledge; auto-optimizing parameter according to specific operating environment with controller; realizing parameter one time design before spreading the controller; self-adapting environment of the controller in using course; reaching optimizing control; realizing control goal to save electric power. This invention uses empirical control data given by engineer completely, which resolves the problem of discontinuous control for high order non-linear.

The invention belongs to the technical field of digital micro-fluidics, and in particular relates to a liquid drop mixing unit based on an electro-wetting digital micro-fluid chip. The mixing unit comprises three parts consisting of an inlet zone, a mixing zone and an outlet zone; the fast, high-efficiency, automatic and reliable mixing of the liquid drops can be realized via the special bidirectional driving electrode and closed-loop electrode arrangement and simplified electrode connection mode. The liquid drop mixing unit has the advantages of novel design, easiness in control, high reliability, excellent practicability, high automation degree, and the like, so that the liquid drop mixing unit can be widely used in various digital micro-fluid chips.

The invention proposes a hierarchical routing method of a wireless sensor network based on a flora foraging optimization algorithm by combining a bacterial foraging optimization algorithm with a hierarchical routing algorithm. The method comprises the following steps: firstly, clustering nodes by an adaptive clustering method; then selecting a node as a source node and a sink node as a target node; carrying out path search by loop iteration of the bacterial foraging optimization algorithm, and fully considering the factors such as path transmission energy consumption and node residual energy in a search process; and finally selecting an optimal path to finish information transmission between the source node and the target node. According to the hierarchical routing method of the wireless sensor network based on the flora foraging optimization algorithm, the factors such as path transmission energy consumption and node residual energy are fully considered, and the life cycle of the wireless sensor network can be effectively prolonged.

The invention discloses a preparation method of a single-component water-based polyurethane adhesive for use in flexible package compounding. The method comprises the following steps: reacting polyisocyanate with polyester polyol and polyether polyol, adding a chain extender, and continually reacting to obtain a polyurethane prepolymer; continually reacting epoxy resin with a modifier of a silane coupling agent to obtain a modified polyurethane prepolymer; cooling the modified prepolymer, neutralizing and salifying, and adding water for high-speed dispersion to obtain the single-component water-based polyurethane adhesive for use in flexible package compounding. The method is simple in preparation process, and the obtained single-component water-based polyurethane adhesive is convenient to use.

The invention provides a sintering and brazing technology of a powder metallurgical planet carrier assembly, which comprises the following concrete steps: 1. pressing a planet carrier and a planetary gear carrier blank, wherein the planetary gear carrier blank (2) is provided with a solder placing hole (2a) corresponding to a claw of the planet carrier; 2. correspondingly placing the solder placing hole (2a) on the planetary gear carrier blank (2) with a claw (1a) of the planet carrier (1), and putting a solder (3) into the solder placing hole (2a), so as to prepare a planet carrier assembly sintered blank; and 3. putting the planet carrier assembly sintered blank prepared in the step 2 into a sintering and brazing furnace for sintering and brazing simultaneously; sequentially and continuously sintering and brazing in the sintering and brazing furnace for presintering, sintering and cooling, and once finishing the sintering process and the brazing process in the furnace simultaneously to finish manufacturing the assembly. The sintering process and the brazing process are carried out simultaneously and conform to the requirement of the technological parameter in the sintering and brazing furnace.

The invention relates to a biological tissue multi-characteristic imaging method based on the acoustoelectric effect and acoustic radiation force. The method comprises the steps that the size of the focal spot of each focusing domain of an ultrasonic transducer under a focusing ultrasonic disturbance mode is measured, and the sequence that the focusing domains are scanned by focusing ultrasonic waves is determined; a low-intensity tracking pulse is emitted to the ultrasonic transducer, and under the condition that ultrasonic focusing is ignored, a boundary measurement voltage vector phi and anecho signal of the tracking pulse are obtained; when an excitation current reaches the wave peak or the wave trough moment, a high-intensity excitation pulse is emitted to the ultrasonic transducer,so that an emission and scanning mechanism of the ultrasonic transducer works in a focused ultrasonic disturbance mode, and the focusing ultrasonic waves disturb the nth focusing domain; during focusing ultrasonic disturbance, the boundary measurement voltage vector phi n obtained after disturbance is measured, a low-intensity tracking pulse is emitted to the ultrasonic transducer again, and an echo signal is received; an acoustoelectric signal and corresponding displacement information of the nth focusing domain are obtained; the obtained data is processed, and a biological tissue image is reconstructed.

The invention discloses a water quenching and separating treatment method for anode carbon slime in aluminum electrolysis, and belongs to the technical field of aluminum electrolysis. The water quenching and separating treatment method comprises the steps of carrying out water quenching on the thermal-state carbon slime, classifying and sorting the water-quenched carbon slime, dehydrating the water-quenched carbon slime through a centrifugal dehydrator, carrying out wet grinding on the carbon slime and sorting the carbon slime through a flotation machine, finally carbon-rich products and electrolyte-rich products are obtained, the carbon-rich products can be used for producing carbon products, and the electrolyte-rich products can be purified and then used in the aluminum electrolysis process. According to the invention, the coarse crushing step and the fine crushing step can be simplified, and therefore the procedures are simplified, dust pollution in the crushing steps and the ore grinding step is greatly reduced, and the energy can be utilized more reasonably. The water quenching and separating treatment method can be effectively combined with the existing wet grinding technology, the existing flotation technology and the existing fluorine-containing water treatment technology.

The invention relates to a production technology for producing spontaneous glaze bone china by efficient utilization of a desert material. The spontaneous glaze bone china is prepared from the following raw materials in percentage by weight: 50-60% of sand grains from desert, 15-25% of halloysite, 15-20% of feldspar, 2-9% of hydroxyl calcium phosphate, 2-3% of nanoscale spodumene, 1-3% of talc and1-1.5% of nanoscale zircon sand; the production technology of the bone china comprises the following steps: dosing according to the formula, ball milling, sieving, iron removal, filter pressing, first pugging, second pugging and setting firing; the setting firing comprises the following steps: preparation of ceramic pug, automatic charging, vacuum heating and pug squeezing, automatic blanking andfeeding, automatic moulding by rolling, drying, demoulding and once firing. According to the production technology provided by the invention, the sand grains in desert are introduced into the Dehua jade china pug to partially replace the raw materials, and the ceramic firing energy consumption and production cost are reduced by the once firing technology; meanwhile, in combination with the intelligent production technology, traditional Dehua jade chain preparation technology is integrated with intelligent production.