39results about How to "Improve active performance" patented technology

An electrosurgical system including a sharpened electrosurgical electrode, which can have a coated surface, and an automatically adjusting electrosurgical wave generator is disclosed. The automatically adjusting wave generator and the sharpened electrode tip provide or enhance the properties, attributes and / or characteristics of the electrosurgical system and prevent tissue damage and reduce incidences of post-operative complications, thereby quickening the healing process. The wave generator detects various circuit parameters and automatically adjusts the output settings, such as the output power level, based on the various circuit parameters, such as tissue impedance, to prevent undesirable tissue damage.

The present invention provides a delivery system comprising: (a) a container which is a formed body obtained from a film forming composition comprising at least one polysaccharide or polysaccharide derivative; (b) a liquid fill comprising a matrix composition of at least one solvent which is both polar and hygroscopic or a mixture of solvents each of which is both polar and hygroscopic; and (c) an active agent or a mixture of active agents wherein the active agent is soluble in said polar and hygroscopic solvent or mixture of polar and hygroscopic solvents, and a process for the preparation of said delivery system.

The invention discloses a modification method of basalt fibers in basalt fiber sprayed concrete for tunnels, which comprises the following steps: soaking the basalt fibers for 2 hours by using an acetone solution, completely washing the basalt fibers by using tap water, soaking the basalt fibers for 1 hour by using a silane coupling agent-absolute ethyl alcohol solution after the basalt fibers are dried, and taking out the basalt fibers; the preparation method comprises the following steps: 1, soaking basalt fibers in a silane coupling agent-absolute ethyl alcohol solution, heating the basalt fibers in a drying oven at 120 DEG C for 1 h to completely react the basalt fibers with the silane coupling agent, cooling the basalt fibers, and 2, carrying out thermal improvement treatment on the basalt fibers before soaking in the silane coupling agent-absolute ethyl alcohol solution, and treating the basalt fibers in a surface modification solution. Active groups of the KH560 type silane coupling agent can form hydrogen bonds or covalent bonds with the surface of basalt, and each unit group is subjected to dehydration condensation through a Si-O main chain and is paved on the surface of fiber to form a continuous new surface layer, so that defects on the surface of the fiber are repaired, filled and wrapped, and weak links of the KH560 type silane coupling agent are reduced.

The invention discloses a method for preparing acetaldehyde by ethylene glycol through dehydration, and belongs to the technical field of chemical industries. The method includes the steps: taking active carbon as a carrier, taking phosphoric acid, sulfuric acid or sulfate and sulfate as active components, soaking the active carbon by the aid of the active component, and drying and roasting the soaked active carbon to obtain a supported catalyst; performing activating treatment on the supported catalyst to obtain an activated supported catalyst; performing dehydration reaction on ethylene glycol by aid of a fixed bed reactor filled with the supported catalyst under a certain condition to obtain the acetaldehyde. According to the method, the catalyst is simple and convenient to prepare, high in activity and good in stability and can still keep good activity after repeatedly being used, the conversion rate of the ethylene glycol ranges from 70% to 99%, and the selectivity of the acetaldehyde ranges from 50% to 98%.

The invention discloses a preparation method for a double-layer microcapsule with long-acting repairing performance. The preparation method comprises the following steps: (1) preparation of SDB nanospheres: weighing an azo initiator, adding the azo initiator into a mixture of styrene, divinylbenzene and an anionic surfactant to prepare an oil-in-water Pickering emulsion, and subjecting the Pickering emulsion to heating and a reaction under the protection of nitrogen so as to obtain the white solid SDB nanospheres; (2) preparation of SDB / PMMA nanocomposite particles: weighing PMMA, adding the PMMA into water, adding the SDB nanospheres, allowing the PMMA to swell into the SDB nanosphere, adding an oxidizing agent, then adding inorganic acid drop by drop, and allowing the PMMA to fully undergo polymerization so as to obtain the SDB / PMMA nanocomposite particles; (3) preparation of ZIF-8 / PMMA hollow microspheres: adding the SDB / PMMA nanocomposite particles and 2-methylimidazole into anhydrous methanol, adding zinc nitrate, carrying out a reaction to obtain ZIF-8 / SDB / PMMA composite particles, and adding the ZIF-8 / SDB / PMMA composite particles into an organic solvent to remove a SDB template so as to obtain the ZIF-8 / PMMA hollow microspheres; and (4) loading of a repairing agent or a corrosion inhibitor: soaking the ZIF-8 / PMMA hollow microspheres into a repairing solution to obtain the ZIF-8 / PMMA / repairing solution microcapsule.

The invention discloses a bamboo fiber flakeboard adhesive and a preparation method of the bamboo fiber flakeboard adhesive. The adhesive includes, by matching ratio, 32% of formaldehyde solution, 20% of sodium hydroxide solution, 31% of urea, 6% of ammonium chloride solution, 5% of formic acid, 3% of waterproof agent and 3% of polyvinyl alcohol. The preparation method includes the steps that the formaldehyde solution is added into a reaction still, and the first batch of urea and the waterproof solution are added in; when the temperature is raised to 40 DEG C, the polyvinyl alcohol is added in, and the temperature is kept for 10-30 min when being raised to 90 DEG C; after 30 min, the second batch of urea is added in, the sodium hydroxide solution is added in and the temperature is lowered; the third batch of urea is added in when the temperature is 80 DEG C; the fourth batch of urea is added in when the temperature is 68 DEG C; discharging is performed when the temperature is lower than 40 DEG C. According to the bamboo fiber flakeboard adhesive and the preparation method of the bamboo fiber flakeboard adhesive, the molar ratio is 0.3, free urea in resin is decreased, and the joint degree of the adhesive is improved; the curing time of a surface layer is shortened, free formaldehyde in the resin is captured, the release amount of the free formaldehyde is reduced and is reduced to 5.5mg / 100 g from 27mg / 100g, the processing process is simple, the bonding strength is high, and environment friendliness is achieved.

The invention provides a biomass-based activated carbon coated iron carbide three-dimensional porous microbial fuel cell anode material, which is composed of biomass-based activated carbon and iron carbide, wherein iron carbide is distributed in the biomass-based activated carbon and is coated by the biomass-based activated carbon to form micron-sized activated carbon-coated iron carbide particles, and the anode material has a three-dimensional porous network structure consisting of micron and nano composite holes. The invention also provides a microbial fuel cell anode based on the anode material, and preparation methods of the anode material and the anode. According to the invention, the problems of unfavorable attached growth of microorganisms and high modification cost of the existingmodified three-dimensional carbon-based electrode are solved, and the attached growth of an anode biological membrane can be promoted and the electron transfer of an extracellular interface can be accelerated while the cost of the microbial fuel anode is reduced.

The invention discloses an application method of a roughing sand calcination technology to a casting. The method comprises the following steps that firstly, fresh sand is screened, and impurities are removed; secondly, calcination is carried out at a high temperature being 900 DEG C, and the phase change of silicon dioxide occurs; thirdly, after the calcination is carried out, the fresh sand is naturally cooled until the fresh sand is at the normal temperature; and fourthly, a core is prepared. The high temperature calcination is carried out on the fresh sand, so that the addition quantity of resin is reduced, the gas-forming amount of precoated sand is reduced, the thermal stability of the precoated sand is high, the high temperature expansion is irreversible, and the dimensional accuracy of the casting can be guaranteed accordingly.

The invention discloses a chlorempenthrin smoke generator. The chlorempenthrin smoke generator is characterized by comprising, by weight, 0.1-70% of chlorempenthrin and the balance agriculturally acceptable heat supply agents. The heat supply agents comprise agriculturally acceptable fuel, oxidizing agents and auxiliaries, the agriculturally acceptable fuel is used for preparing smoke generators, and the oxidizing agents comprise one or a plurality of types of potassium chlorate, ammonium nitrate, potassium nitrate, sodium nitrate, sodium nitrite, potassium perchlorate and potassium permanganate. The fuel comprises one or a plurality of types of corncob, cow dung powder, straw, bagasse, wood powder, charcoal, white sugar, starch, sulfur, ammonium thiocyanate and urotropine. The auxiliaries comprise one or a plurality of types of smoke agents, combustion guide agents, flame retardant chemicals, cooling agents, weighting agents, adhesive, moisture-proof agents and stabilizers. The chlorempenthrin smoke generator has the advantages that the activity of agents of the chlorempenthrin smoke generator can be enhanced, the adhesive, permeation and dissolving capacity of the chlorempenthrin smoke generator can be improved, and comprehensive biological effectiveness of contact killing, respiration inhibition and the like of the chlorempenthrin smoke generator can be sufficiently played; the chlorempenthrin smoke generator can be dissolved fast and is low in residual quantity and little in environmental pollution; the chlorempenthrin smoke generator can be applied without optional equipment or apparatuses, accordingly, work and labor can be saved, energy can be effectively saved, and the chemical use costs can be reduced for farmers.

The invention provides a special tool fabric capable of resisting static aggregation. The special tool fabric is characterized by comprising the following raw materials in parts by weight of 40-50 parts of linen fibers, 15-25 parts of bamboo fibers, 5-10 parts of an antistatic modifier, 3-6 parts of modified talcum powder and 1-5 parts of bentonite powder. The preparation method of the antistatic modifier is shown in the specification. The tool fabric is prepared from the linen fibers, the bamboo fibers and other raw materials, and the anti-static performance of the fabric is improved by adding the anti-static modifier, the modified talcum powder and the bentonite powder; and the antistatic modifier is modified by graphene and then is mixed with composite powder, and the antistatic performance of the antistatic modifier is improved through the assistance of nano zeolite powder.

A catalyst layer material, a method for fabricating the same, and a fuel cell are provided. The catalyst layer material utilized for the fuel cell includes a catalyst support and a catalyst distributed on the catalyst support. The catalyst support contains TixM1-xO2, wherein M is selected from the group consisting of a Group IB metal, a Group IIA metal, a Group IIB metal, a Group IIIA, a Group VB metal, a Group VIB metal, a Group VIIB metal and a Group VIIIB metal, and 0<X≦0.9. By applying the non-carbonaceous catalyst support containing high conductivity metal elements to the fuel cell, stability and performance of the cell can be effectively enhanced.

The invention belongs to the technical field of food, and particularly relates to a cell absorption combined functional nutrient. The functional nutrient contains 75-85 parts of a nutrition energy supply component, 10-15 parts of a function regulation component, 5-10 parts of an auxiliary component and 1-2 parts of an inorganic salt substance. The functional nutrient disclosed by the invention contains nutritional functional components required by an organism; and it is verified that the nutritional components can be absorbed through epidermal cells, so that a foundation is laid for further developing a new nutrition absorption product such as an external nutrition patch.

A structure for improving performance of an active headrest comprises a lumbar support plate which is installed within a seat back frame and supports the body of an occupant; a lumbar support interlocking wire which operates by being interlocked with the lumbar support plate and a link bracket which is disposed on the lumbar support interlocking wire and is rotated by the lumbar support interlocking wire so as to rotate a link connecting pipe which raises an active headrest pipe; a stopper which is disposed behind the active headrest pipe and is installed to an inner side of the seat back frame; and a hooking projection which supports a lower end portion of the active headrest pipe such that the active headrest pipe cannot go down during a vehicle impact.

The invention provides a BCE TFT substrate and manufacturing method thereof. The manufacturing method of BCE TFT substrate of the invention uses C-axis crystallized IGZO thin film to fabricate the active layer. Because the C-axis crystallized IGZO has extremely high corrosion resistance and is resistant to the erosion of the copper etchant, the active layer is not damaged in the source / drain etching process, and the performance of the active layer is stable. The manufactured BCE TFT substrate has stable electric performance. The amorphous IGZO thin film for fabricating the C-axis crystallized IGZO thin film is prepared under high oxygen atmosphere, so that the crystallization annealing temperature of the amorphous IGZO thin film is reduced to 600° C. or below. A high-temperature annealing furnace is saved and the production cost reduced. The BCE TFT substrate of the invention manufactured by the above method has stable electric performance and low production cost.

The halogen-free flame-retardant master batch is prepared from the following raw materials in parts by weight: 40 to 50 parts of nylon 6, 10 to 20 parts of glass fiber, 4 to 10 parts of interface guiding agent, 5 to 11 parts of graphene bearing agent, 1 to 3 parts of lubricating agent and 1 to 3 parts of flame retardant, wherein the flame retardant is prepared by mixing ammonium polyphosphate and tricresyl phosphate according to the weight ratio of 1 to 3. In the preparation of the halogen-free flame-retardant master batch, the flame-retardant master batch prepared by matching the nylon 6 and the glass fiber is adopted, the glass fiber has the effect of enhancing flame retardance, the flame retardant is added to improve the flame-retardant effect, and the interface guiding agent is added to achieve the effect of assisting flame retardance.

Provided is an adhesive for a direct-current supporting column insulator. The adhesive is prepared from, by mass, 60-90 parts of solvent dimethyl carbonate, 15-30 parts of cosolvent glycol derivatives, 5-10 parts of nonionic surfactants, 2-5 parts of abrasive nanometal oxide, 1-5 parts of diffusant dichloromethane, 0.5-2 parts of detergent assistant N-alkyl pyrrolidone, 0.2-1 part of stabilizer coconut oil diethanolamide, and 1-3 parts of polymethylsiloxane. Detergent can effectively clear away stains on the surface of an insulator antifouling flashover coating under the environment of high saline-alkali and high industrial pollution, excellent hydrophobicity and migration of the hydrophobicity of the surface of an insulator are recovered, and therefore the capacity of effectively ensuring power equipment to operate safely is achieved.

The invention provides a biomass-based activated carbon coated iron carbide three-dimensional porous microbial fuel cell anode material, which is composed of biomass-based activated carbon and iron carbide, wherein iron carbide is distributed in the biomass-based activated carbon and is coated by the biomass-based activated carbon to form micron-sized activated carbon-coated iron carbide particles, and the anode material has a three-dimensional porous network structure consisting of micron and nano composite holes. The invention also provides a microbial fuel cell anode based on the anode material, and preparation methods of the anode material and the anode. According to the invention, the problems of unfavorable attached growth of microorganisms and high modification cost of the existingmodified three-dimensional carbon-based electrode are solved, and the attached growth of an anode biological membrane can be promoted and the electron transfer of an extracellular interface can be accelerated while the cost of the microbial fuel anode is reduced.

The invention discloses a method for preparing p-hydroxycinnamate by catalyzing lignin alcoholysis through enzymatic hydrolysis lignin-based hierarchical porous carbon loaded molybdenum oxide, which comprises the following steps of: reacting lignin serving as a raw material, the enzymatic hydrolysis lignin-based hierarchical porous carbon loaded molybdenum oxide serving as a catalyst and small organic molecular alcohol serving as a reaction medium in an inert atmosphere at the temperature of 160-220 DEG C for 2-8 hours to obtain p-hydroxycinnamate. Selective conversion of lignin is realized to obtain p-hydroxycinnamate; the total yield of the monophenol compound is 13.37-17.66 wt.%, the yield of the ethyl p-hydroxycinnamate is 8.74-12.92 wt.%, the selectivity is 63.85-74.93%, the selectivity is good, the comprehensive performance is excellent, the safety is good, lignin is used as a carrier and an enzymolysis object, and the utilization amount of the lignin is large.

The invention provides a preparation method for a taurine-modified novel giant squid gelatin multifunctional peptide and belongs to the technical field of biotechnology. The preparation method comprises the following steps: 1) supplying a carboxyl component which is from a protective peptide fragment with amino acid sequence of SEQ ID NO.1; 2) supplying an amino component which is from taurine; 3)supplying condensation reaction under the existence of condensing agent, and forming a peptide bond between the carboxyl component and the amino component, wherein the condensation reaction is performed under the existence of formylglycine and p-aminophenylalanine; 4) supplying amino deprotection reaction, thereby removing a protection group from an amino terminal on a condensation reaction product through the reaction. The preparation method for the novel multifunctional peptide provided by the invention has the advantages of high reaction speed, less synthesis time consumption, high conversion rate of reaction, low production cost, high activity and purity of products and few by-products. The prepared multifunctional peptide has biological activity functions of resisting against oxidation, removing free radicals, boosting brain development, and the like.

The invention discloses a nanometer functional material composition. The nanometer functional material composition comprises the following raw materials in parts by weight: 30 to 50 parts of modified nanometer bentonite, 10 to 20 parts of nanometer wollastonite powder, 5 to 10 parts of nanometer calcium carbonate, 20 to 30 parts of medium liquid and 1 to 5 parts of a viscosity reducer. According to the nanometer functional material composition, the nanometer wollastonite powder, the nanometer calcium carbonate and other raw materials are combined, the modified nanometer bentonite is modified through variable temperature and active liquid, and the active performance of a bentonite material is improved; the bentonite is of a lamellar structure, so bonding between the raw materials can be blocked, and therefore, the dispersing capacity of a product is improved; and an ammonium sulfate solution in the viscosity reducer is matched with Tween 60, so the raw materials can be further subjected to repulsion treatment, and the dispersing capacity of the product is further improved.

An exemplary method of patterning oxide layer and removing residual nitride includes steps of forming a first oxide layer, a nitride layer, a second oxide layer and a complex hard mask on a substrate in turn. The first oxide layer covers an insulating structure. The second oxide layer, the complex hard mask and the nitride layer are etched by utilizing a patterned photoresist as an etching mask, so as to expose the first oxide layer. In addition, the part of the nitride layer covering the insulating structure can be further removed. Accordingly, the present invention can effectively control layout patterns of material layers and doped regions and thereby can improve the performance of a narrow width device.

The invention discloses self-insulation high-strength environment-friendly concrete, which is prepared from the following raw materials in parts by weight: 100-120 parts of Portland cement, 40-50 parts of fine sand, 15-25 parts of foamed polyurethane resin, 20-30 parts of fly ash, 5-15 parts of modified wollastonite, 12-18 parts of blast furnace slag powder, 1-5 parts of an interface agent, 5-10 parts of a sodium lignosulfonate water reducing agent and 80-100 parts of deionized water. According to the invention, inorganic raw materials such as Portland cement, fine sand, fly ash, blast furnaceslag powder and the like are used as main agents, and foamed polyurethane resin, an interface agent and modified wollastonite are used as auxiliary agents to enhance the strength and thermal insulation properties of concrete.

The invention provides a plant component moistening type anti-decoloration lipstick as well as a preparation method and a use method of the plant component moistening type anti-decoloration lipstick. The plant component moistening type anti-decoloration lipstick is prepared from the following raw materials in parts by weight: 10 to 20 parts of ethylhexyl palmitate, 5 to 10 parts of polydimethylsiloxane, 1 to 6 parts of pure ozocerite, 2 to 5 parts of polydimethylsiloxane cross-linked polymer, 1 to 4 parts of modified mica, 1 to 3 parts of microcrystalline wax, 1 to 2 parts of polyethylene, 1 to 3 parts of isododecane and 1 to 2 parts of bis-PEG-15 polydimethylsiloxane / IPDI copolymer. The lipstick disclosed by the invention has the effects of moistening, decoloring prevention and cup sticking prevention, the use effect of the lipstick can be improved by proportioning and selecting the raw materials, the modified mica is added into the lipstick, the active performance of the mica is enhanced by active treatment of the mica, and then thermal contraction and cold contraction treatment is adopted, so that the shrinkage degree of the mica is improved, and the shrinkage efficiency of a mica sheet layer is improved.

The invention discloses an electret melt-blown polypropylene material and a preparation method thereof. The electret melt-blown polypropylene material is prepared from, by weight, 0.5-2 parts of nano cellulose, 97.7-99.4 parts of melt-blown polypropylene and 0.1-0.3 part of an antioxidant. The nano cellulose is added into the material, the nano cellulose is distributed in a polypropylene matrix to prevent the crystalline state of polypropylene by utilizing the higher length-diameter ratio and smaller particle size of the nano cellulose, and is limited by the rod-like structure of the nano cellulose, so that polypropylene crystals distributed around the nano cellulose easily grow into a slender shape along the wall of the nano cellulose, so charge drift is effectively prevented. Meanwhile, the surface of the nano cellulose is rich in hydroxyl, has relatively high activity, effectively attracts and traps charges, and prevents charge loss. Therefore, the electron capturing capability and the lasting electrification capability of the polypropylene melt-blown non-woven material after electret treatment are improved, the filtering effect of the material is improved, and the service life of the material is prolonged.