270results about How to "Increase use" patented technology

A remote control system for a user to operate at least one device using a remote controller includes device specification means for specifying a device located in front of the user who is holding the remote controller via a first communication medium under a constraint on at least one of directivity and a transmittable distance, and remote control means for transmitting a remote control request from the remote controller to the specified device via a second communication medium under less constraint on the directivity and the transmittable distance in accordance with an instruction input from the user.

The invention discloses a method for preparing steviol by carrying out catalytic hydrolysis on stevioside by beta-glucosidase, belonging to the field of biosynthesis technology of organic compounds. The method takes the beta-glucosidase derived from aspergillus niger as a catalyst, and can be used for preparing the steviol by carrying out catalytic hydrolysis on the stevioside in single stevioside or stevia rebaudiana extract through temperature programming; the method has the advantages of being high in conversion rate and selectivity, simple in separation and the like; and the enzyme activity loss can be reduced by the temperature programming reaction, so that the utilization rate of enzyme can be improved. The invention provides a new method for preparing the steviol, which is efficient and environment-friendly.

The invention relates to a preparation method of a cellulose based 3D printing wire, and belongs to the field of biomass based 3D printing materials. The invention aims to provide a preparation method of a biomass based 3D printing material, which is low in production cost and can implement industrialization easily. The preparation method comprises the following steps: processing a cellulose raw material by virtue of polyethylene glycol (PEG:MW=400) in combination with a machine to prepare a cellulose polyethylene glycol dispersed solution smaller than 10 microns; flushing away polyethylene glycol by using dichloromethane to obtain a dichloromethane suspension of cellulose; adding a certain amount of silane coupling agent to perform surface silanization modification; adding modified cellulose, plasticizer polyethylene glycol and toughening agent solution into a dichloromethane solution of polylactic acid with certain concentration, mixing uniformly, and then recovering to remove a dichloromethane solvent by virtue of a condensing unit; and finally, performing extrusion molding at a certain temperature by virtue of a linear extrusion molding machine to prepare the cellulose based 3D printing wire.

The invention discloses a strain of gamma-polyglutamic acid producing bacterium. The gamma-polyglutamic acid producing bacterium is classified and named as Bacillussubtilis PGS-1 and is collected in China General Microbiological Culture Collection Center (CGMCC), wherein the collection number of a bacterial strain is CGMCC No.4034; and the collection date is July 23rd, 2010. The invention also discloses a method for preparing gamma-polyglutamic acid and salts thereof by using the gamma-polyglutamic acid producing bacterium. Compared with the prior art, the gamma-polyglutamic acid synthesized by the gamma-polyglutamic acid producing bacterium of the invention has the advantages of lower molecular weight (300 to 400 KDa), narrower molecular weight distribution, suitability for the field of application with a low molecular weight requirement and extremely wide application prospects.

The invention discloses an aluminum alloy medium plate preparation method. The aluminum alloy medium plate preparation method comprises the following steps of: smelting at 700-750 DEG C, degassing a melt by adopting a multistage degassing purification system, and filtering the melt by adopting a 300ppi-foamed ceramic filtration plate; casting the melt to obtain an aluminum alloy ingot blank, and carrying out stress-relieving treatment at 300-500 DEG C for more than or equal to 1 hour; controlling the temperature of a saw cutting aluminum alloy sheet at 350-500 DEG C, carrying out solution treatment for more than or equal to 0.5 hour, controlling the tensile deformation at 1%-4%, controlling the temperature of the aluminum alloy sheet at 50-300 DEG C, and carrying out aging treatment for 2-40 hours to obtain an aluminum alloy medium plate. Compared with the aluminum alloy medium plate prepared by a conventional hot-rolling method, the aluminum alloy medium plate prepared by the method has the advantages that the preparation working procedures are reduced, the production cycle is short, the cost is reduced, the plate has good quality and high strength and meets the market requirements, and the good economic benefits and social benefits are achieved.

The invention relates to a method for preparing rubusoside by catalytically hydrolyzing stevioside with beta-galactosidase, belonging to the technical field of biosynthesis of organic compounds. In the invention, beta-galactosidase is utilized to selectively and catalytically hydrolyzing stevioside obtained from stevia so as to prepare the rubusoside. Thus, the invention has the advantages of high conversion rate, high speed, high selectivity, simple separation and clearing process and the like. The invention provides a new efficient and environment-friendly method for preparing rubusoside.

The present invention relates to a pulse detonation rotor shaft engine. In the technical proposal, the pulse detonation rotor shaft engine mainly consists of a pulse detonation engine, a rotor and an output shaft; propulsive gas with the high temperature and high pressure expansion of pulse which is ejected when the pulse detonation engine works is used as a power source to push the rotor to rotate; the rotor drives the output shaft to rotate; a pulse detonation rotor shaft engine uses the output shaft to output most energy produced by the pulse detonation engine by outputting torsion continuously; the output shaft drives various kinds of loads to work. The pulse detonation rotor shaft engine has the beneficial effects as follows: firstly, the pulse detonation rotor shaft engine can be used as a shaft engine to be widely applied in various kinds of dynamic systems, such as ship, submarine, tank, tractor, automobile, train, and the like and has wide purposes; secondly, the pulse detonation rotor shaft engine overcomes the disadvantage of the large noise of the prior pulse detonation engine; thirdly, compared with a piston type engine, the pulse detonation rotor shaft engine has the obvious advantages of simple structure, low cost, high reliability, long service life, light weight, less fraction resistance loss, etc.

The invention discloses a hybrid film coating method of a neodymium iron boron rare earth permanent magnet device. According to the method, firstly, alloy smelting is carried out, alloy in a molten state is cast onto a rotary copper roller with a water cooling effect for being cooled to be manufactured into an alloy sheet, then, the alloy sheet is subjected to hydrogen decrepitation, material mixing and airflow powder grinding, next, materials are mixed by a material mixing machine and are then sent to a nitrogen gas protection magnetic field orientation pressing machine to be formed, the mixed materials are subjected to isostatic pressing after being encapsulated in a protection box, then, the sintering and the aging are carried out, a neodymium iron boron rare earth permanent magnet blank is prepared, the blank is subjected to machining, a neodymium iron boron rare earth permanent magnet is prepared, next, the neodymium iron boron rare earth permanent magnet is subjected to film coating, the neodymium iron boron rare earth permanent magnet device is formed, the film coating comprises three layers, the first layer and the second layer are magnetron sputtering coatings, and the second layer is a magnetron sputtering and multi-arc ion plating hybrid coating. The hybrid film coating is adopted as a surface treatment work procedure of the rare earth permanent magnet device, the anti-corrosion capability of the rare earth permanent magnet device is improved, and meanwhile, the magnetic performance of the rare earth permanent magnet device is also improved.

The invention belongs to the field of biomedical science, and aims to provide a high metastatic potential hepatoma cell line capable of steady autophagy indication, and an establishment method and an application method thereof. Lentivirus expression vectors containing EGFP (enhanced green fluorescent protein)-LC3 (light chain 3) autophagy reporter genes are constructed and used to infect hepatoma cells with high metastatic potential, so that host cells can express the EGFP-LC3 steadily and efficiently and indicate autophagy changes of the hepatoma cells steadily. To apply the cell line, metastasis research models can be established in vitro and in vivo for the observation on autophagy changes during metastasis, and the cell autophagy changes can be analyzed rapidly and quantitatively by adopting an image analysis method based on Top-hat operators and morphological filter. The high metastatic potential hepatoma cell line has the characteristics that autophagy indication is conducted steadily, reliably and sensitively in a real-time manner, the metastasis occurs definitely, the autophagy is quantified rapidly and accurately, the operation is simple and convenient, and the like, and can greatly facilitate correlation study on autophagy and metastasis.

The invention discloses a metal oxide supported beta-crystal nucleating agent and a preparation method of the beta-crystal nucleating agent. The nucleating agent is prepared by mixing fatty dicarboxylic acid and the metal oxide according to the weight ratio of the fatty dicarboxylic acid to metal oxide being 1:5-1,000. The beta-crystal nucleating agent takes the metal oxide as a carrier to make the fatty dicarboxylic acid highly disperse on the surface of the metal oxide and make formed effective nucleating points increase, thereby improving the nucleating efficiency of the beta-crystal nucleating agent; and the preparation method is simple, reduces the usage of the fatty dicarboxylic acid at the same time, and remarkably reduces the cost of the beta-crystal nucleating agent. The beta-crystal nucleating agent takes the metal oxide as the carrier, has the functions of strengthening and toughening polypropylene, improves the yield strength and modulus of beta-crystal polypropylene, and enables the prepared beta-crystal polypropylene to be more beneficial to producing expanded films and other materials.

The present invention discloses a kind of compatible mixture and it's preparing method and application. Thermosplasticity Polyurethane (TPU) is obtained from reaction of macromolecule glycol, diethylene glycol isocyanogens and short chain glycol. It has soft and hard chain segment, turning out with excellent flexibility and thermoplastic, and has two kinds of vitrification transforming temperature respectively corresponding to hard and soft phase, but it has a high price. The flexibility and wearable performance of copolymer of octane-ethene (POE) is rather bad, and the price is low. The invention creatively mixes both the two kinds of elastomer materials to produce new-style thermosplasticity elastomer, and to obtain new-style material with advantages of two kinds of materials. The compatible mixture of the invention has such advantages as hard, wearable, anticorrosive, anti-aging, low pollution, good processing performance and good using performance.

The present application relates to a method and an apparatus to produce solid particulate material from solid particulate components. The components are metered and mixed according to a desired recipe. After having been mixed the material is metered and packaged in a suitable form, e.g. in bags. The apparatus (10) comprises a stationary casing (32) provided with a rotating mixing tool (40), a discharge valve (50) mounted on the bottom of said mixer (30) and a metering and packaging unit (70). The method is particularly suitable to manufacture solid particulate material by mixing low-value components available in any site and high-value components, such as materials for use in the building and construction field.

The invention provides a preparation method of a buckwheat flavone microcapsule, which comprises the following steps: 1) pretreating: drying buckwheat grain, buckwheat shell, buckwheat husk or buckwheat stem leaf, sieving after crushing for standby to obtain buckwheat powder; 2) extracting; 3) separating and purifying; 4) preparing a capsule emulsion: uniformly mixing a core material, a wall material and an emulsifier to prepare a buckwheat flavone microcapsule emulsion; 5) spray drying to obtain the buckwheat flavone microcapsule. The invention has the advantages that: 1, the activity of an active component flavone substance in buckwheat is protected; 2, the buckwheat flavone is prevented from damage of gastric acid, has certain targeting after microencapsulation, and has good enteric solubility but insolublility in stomach; 3, the bitter taste of buckwheat is covered; 4, the release speed is controlled, the flavone substance can not be stored in vivo, and the concentration of the flavone substance is rapidly increased in vivo after taking and rapidly decreasing due to metabolism degradation effect, the microencapsulation enables a slow release function and releases functional factors in certain time and scope.

The present invention discloses the new use of available antimalarial arteannuin and its derivatives dihydro arteannuin, antiannuic methyl ether, antiannuic ethyl ether and antiannuic amber. Arteannuin and its derivatives are used through combination with antibiotic medicine to inhibit bacterial growth and enhance the antibiotic effect of available antibiotic medicine. Especially, antiannuic amber is applied in preventing and treating bacterial infection diseases except being used as antimalarial.

The invention relates to an interalloy for smelting. A vacuum aluminium-molybdenum-silicon alloy, is charactrized in that the alloy has close structure without slag inclusion and segregation, comprising, based on weight percentage, Mo of 40-63%, si of 4.0-5.0%, O of not more than 0.015%, H of not more than 0.002%, N of not more than 0.006%, C of not more than 0.06%, Fe of not more than 0.10%, and the residual is Al. The invention solves the technical problem that the non-vacuum aluminium -silicon alloy has segregation, slag inclusion, high content gas impurity without close structure, secondly solves the technical problem of low content of molybdenum in the alloy.

The invention provides a method for improving the resource utilization rate of a downlink pilot time slot (DwPTS) by a time division duplexing system. The method comprises the following steps: firstly, information sent in an idle frequency band of the DwPTS is set, then the idle frequency band of the DwPTS is used for sending the set information to a user terminal, and the user terminal receives the set information in the idle frequency band of the DwPTS. The invention further provides a device corresponding to the method for improving the resource utilization rate of the DwPTS by the time division duplexing system. Compared with the prior art, the method and the device can improve the frequency resource utilization rate of the DwPTS, reduce waste of the DwPTS resources, increase the use of the DwPTS, and cause no impact on the data transmission rate of the conventional time slots.

The invention belongs to the field of traditional Chinese medicines and relates to a use of rhizoma smilacis glabrae extract in preparation of lipid-lowering and fat-reducing medicines and health-care foods. The rhizoma smilacis glabrae extract comprises 5-O-caffeoylshikimic acid, astilbin, isoastilbin, neoastilbin, neoisoastilbin, taxifolin, engeletin, isoengelitin and resveratrol. An animal experiment shows that the rhizoma smilacis glabrae extract can obviously reduce mice abdominal cavity fat weight, reduce mice body weight, and reduce triglyceride and total cholesterol concentrations of mice serum. Effects of the rhizoma smilacis glabrae extract are stronger than effects of a single astilbin component. The rhizoma smilacis glabrae extract is extracted from traditional Chinese medicines, has synergism of components, has good fat-reducing effects and broadens a rhizoma smilacis glabrae application range.

The invention provides a preparing method for a flexible and windable wave-absorbing film material, which pertains to the technical field of basic materials for electrons, and is for depositing metallic ions and alloys that are wave absorbing and conductive on surfaces of flexible and windable organic insulators so as to form the wave-absorbing film. The procedures are: selecting a substrate, pre treating before sputtering, making NiCo alloy target, vacuum sputtering, plating copper on the substrate plated with NiCo alloy film, plating NiCo alloy or Ni or Co on above copper plating base, finally cutting and packing. The wave-absorbing material produced by the method is of a high film-forming speed, low cost and good wave-absorbing function. The film is thin, level and clean, of good magnetism conductivity, easy to construct and widely applicable, can be used as pasted films for secret rooms, ship decks, concealed military facility, precision instruments, flexible printed circuit boards and protecting articles, etc.

The invention relates to a potato harvesting machine for hilly and mountains regions, and belongs to the field of agricultural harvesting machinery and equipment. An excavating device digs up soil andpotato mixtures; power is transmitted to a power transmission system through a power output shaft of a tractor, is outputted to drive shafts in a gear box to rotate, and is transmitted to a driving wheel through a chain to drive vibration separating devices to rotate; the primary vibration separating device is rotated to vibrate and separate the soil and potato mixtures which are then conveyed tothe secondary vibration separating device; potatoes with less soil are subjected to vibration separating again by the secondary vibration separating device, and then conveyed to a lateral conveying system. The potato harvesting machine has the advantages that the angle of the excavating device is adjusted through a hydraulic cylinder to achieve stepless angle adjustment; the two-stage vibration separating devices are applied to solve the problem of high soil stickiness of the hilly and mountains regions, and the separation frequency is high; the potatoes are piled up in strips through a lateral conveying device, the rate of visible potatoes is increased, and the potato burry rate and damage rate are decreased.

The invention relates to preparation for a pinus koraiensis phytoncide finishing agent, a fabric finished by same and a finishing method thereof. The formula of the finishing agent contains 10-40g/L of pinus koraiensis phytoncide microcapsule, 10-35g/L of chitosan cross-linking agent, 2-5g/L of organic silicon soft finishing agent and 1-3g/L of penetrant. The pinus koraiensis phytoncide finishing agent is prepared according to the steps of extracting pinus koraiensis phytoncide, preparing the pinus koraiensis phytoncide microcapsule, preparing the pinus koraiensis phytoncide finishing agent, bottling and packaging. The finishing agent is applied to the finishing of the cotton fabric. The cotton fabric has the antibacterial rate for staphylococcus aureus of above 98.2%, antibacterial rate for escherichia coli of above 92.3%, antibacterial rate for candida albicans of above 90.5%, deodorization rate of above 97.2%, mite-proof rate of above 90.6% and the reducing rate of sterilizing, deodorizing and mite-proof effects of below 10% after being cleaned for more than 20 times.

The invention discloses a UHMWPE (Ultra High Molecular Weight Poly Ethylene) fiber composite summer sleeping mat and a manufacturing method thereof. The summer sleeping mat comprises a mat surface layer, a sweat absorption layer and a mat bottom coating layer, wherein the mat surface layer is prepared from UHMWPE, or is prepared by arranging the UHMWPE and higher-water-absorption common textile materials at intervals or is prepared by using the UHMWPE and higher-water-absorption fiber composite yarns as warp and weft yarns, and is subjected to anti-bacterial and insect-preventing treatment; the sweat absorption layer is made of a high-water-absorption fabric and is arranged between the mat surface layer and the mat bottom coating layer; the mat bottom coating layer is a common hydrophilic fabric with certain abrasion resistance, is sewn in an edge coating manner, covers the sweat absorption layer and the mat surface layer and is sewn around the mat surface layer. The mat has an obvious and ensuring contact feeling of coolness, is easy to fold and carry, is light in weight, and has the anti-bacterial and insect-preventing functions; the mat surface is dry and comfortable for a long time.

The present invention relates to a pervious environment protection encarpus brick and a method for producing the same, including a plus material and a bottom material, wherein the plus material is composed of emery sand, common silicates P.O42.5 grade cement, pigment and water, and the bottom material is composed of refined pisolite, common silicates P.O42.5 grade cement and water. The encarpus brick of the invention has an elegance and beautiful appearance, is ecological, environment protection, pervious, ventilated, radiating and skidproof, and may be used for laying for metro roads, large-sized parks, sports gymnasium, high-grade buildings, speedway service zone, plaza, shipside, parking grounds, district roads and the like, and is worthy to employ and popularize extensively.

The invention discloses mixed film coating equipment for neodymium iron boron rare-earth permanent magnet components and a manufacturing method of the mixed film coating equipment. The film coating equipment comprises a vacuum chamber, cylinder rotating cathode magnetic control targets, plane cathode magnetic control targets, multi-arc ion targets, rotating stands and material baskets. In the working process, the rotating stands perform revolution in the vacuum chamber, and the two ends of each net-shaped material basket are installed on the corresponding rotating stand through rotary shafts and not only perform revolution along with the rotating stand, but also perform rotation. The cylinder rotating cathode magnetic control targets are installed in the rotating stands in the vacuum chamber, the plane magnetic control targets, the multi-arc ion targets, anode layer linear ion sources and a heating device are installed around the rotating stands in the vacuum chamber, and vacuum film coating is performed in a three-layer mode. The first layer is a magnetron sputtering coating layer, the thickness of the coating layer is 0.1 micrometer-5 micrometers, the second layer is a mixed coating layer of magnetron sputtering and multiple arcs, the thickness of the mixed coating layer is 1 micrometer-15 micrometers, the third layer is a magnetron sputtering coating layer, and the thickness of the coating layer is 0.1 micrometer-5 micrometers. Mixed film coating is adopted as the surface treatment process of the rare-earth permanent magnet components, so that the anti-corrosion capacity of the rare-earth permanent magnet components is improved, and meanwhile the magnetic performance of the rare-earth permanent magnet components is improved.

The invention relates to a method for preparing a super hydrophobic magnetic wood surface. The method includes the following steps: mixing polydimethylsiloxane with a curing agent to form a first mixture; mixing polydimethylsiloxane with magnetic nanoparticles to form a second mixture; coating the first mixture on a super hydrophobic surface for primary curing, and then soaking the super hydrophobic surface with fluoroalkyl silane to obtain a first mixture layer; coating the second mixture on a wood surface, and covering the front surface of the first mixture layer with the wood surface coated with the second mixture for secondary curing; stripping and removing other substances from the wood surface to obtain the super hydrophobic magnetic wood surface. According to the method for preparing the super hydrophobic magnetic wood surface and the wood, a wood resource is allowed to exert the super hydrophobic property, the hydrophily of the wood surface is changed, therefore, not only deterioration of the weather resistance of the wood can be effectively prevented, but also the method is of important significance for the high value-added utilization and functional development of the wood.

This invention discloses a process of phosphorus diffusion for manufacturing solar cell, comprising annealing a mono-crystalline silicon wafer in a nitrogen atmosphere at 900-950° C. for twenty to thirty minutes, carrying oxidation treatment in a hydrogen chloride atmosphere at 850-1050° C. to form a 10 to 30 nm thick oxide layer on the surface of said silicon wafer, diffusing from a phosphorus source at 850-900° C., until a block resistance of a material surface is controlled at 40 to 50 ohms, and the junction depth is at 0.2 to 1.0 microns, and annealing in a nitrogen atmosphere at 700-750° C. for thirty to sixty minutes to complete the phosphorus diffusion of said mono-crystalline silicon wafer. This invention allows the use of 4 N˜5 N mono-crystalline silicon as the material for manufacturing solar cells, so, the low purity material such as metallurgical silicon can be used, which greatly reduces the cost of materials.

The invention provides an auxiliary device and method for quickly checking an SF6 density relay without disassembly, and relates to the technical field of SF6 density relay check. The auxiliary devicecomprises a first control unit, a voltage measuring module and a first relay. The method comprises the steps that voltages at both ends of the density relay to be tested are tested, and tested voltage values are sent to the control unit; the control unit judges the on-off state of a contact of the density relay to be tested through the received voltage values, and sends a control signal to a relay with a passive output contact according to the on-off state of the contact; and the relay sends the on-off state signal of the contact to a density relay calibrator in a passive mode, and the density relay calibrator feeds back a test value in a conventional mode. According to the auxiliary device for quickly checking the SF6 density relay without disassembly, the state of the electrified contact can be converted into the non-electrified contact, the function of transmitting the state signal of the electrified contact is realized, and the purpose of electrified checking of the density relaywithout disassembly can be realized.

The present invention relates to composite structural board, and is especially one kind of composite anticorrosive fireproof structural board comprising facing layer of polymer material and base layer of water hardened gel material and its preparation process. The composite anticorrosive fireproof structural board has excellent mechanical performance, fireproof performance and anticorrosive performance. During its preparation, polymer concrete is used as the transition layer to optimize the adhesion between two kinds of base material, and the water hardened gel material is in-situ cast onto the facing polymer layer for close and firm combination. The present invention may be used to replace ceramic tile, rubber plate and other facing material widely used in chemical, pharmaceutical, electronic, computer and other industrial fields.

This invention relates to a new praeparatum of drug King-hour jian for the treatment of oral and throat diseases. It takes balsamiferous biumea leaf and branchlet oil, pungent litse fruit oils, menthol and ammonium glycyrrhizinate salt for raw materials, manufactured into three agents: dripping pills, buccal tablets, and aerosol. The invention expands the serviceable range of King-hou jian drug, can meet the needs of different groups of people, satisfy different favor of different people in pharmaceutical dosage form, and facilitate patients to choose the pharmaceutical dosage form, with more convenient for the use of patients, more direction and better herapeutic effect.

The invention discloses an agricultural composition containing IPP and plant source materials, and belongs to the field of plant protection. The composition contains a component A and a component B with effective quantities, wherein the component A is IPP, the component B is the plant source materials, a mass part ratio of IPP to the plant source materials is equal to (30:1) to (1:100), and the plant source materials are selected from one or more of trifoliate jewelvine root or stem, common threewingnut root, tobaccos and tanacetum cinerariifolium. The composition disclosed by the invention has a significant effect of preventing crop aphids, rice planthoppers and threadworms.

The invention relates to the technical field of potassium dihydrogen phosphate preparation, and especially relates to a method for preparing potassium dihydrogen phosphate from wet phosphoric acid. The method is characterized in that a two-step reaction of wet phosphoric acid is carried out to prepare potassium dihydrogen phosphate, and the method comprises the following steps: reacting wet phosphoric acid with ammonia water, adjusting the pH value of the above obtained slurry to 3.0-7.0 to remove Fe, Al and other cations and F, Si and other anion impurities from the wet phosphoric acid in order to purify wet phosphoric acid, reacting the purified ammonium dihydrogen phosphate slip with potassium hydroxide or potash or potassium bicarbonate, and carrying out evaporation crystallization under a vacuum degree of 0-0.01MPa at a temperature of 85-95DEG C to prepare high-quality potassium dihydrogen phosphate with the purity of 98.3-98.8%.