77results about How to "Increased active surface" patented technology

The present invention relates to the production of texturized microcrystalline cellulose from raw pulp material. This texturized microcrystalline cellulose can then be used for surface treatment of paper or paper board. Additionally, the texturized microcrystalline cellulose may be used as a starting material for production of paper or paper board.

The present invention relates to the production of texturized microcrystalline cellulose from raw pulp material. This texturized microcrystalline cellulose can then be used for surface treatment of paper or paper board. Additionally, the texturized microcrystalline cellulose may be used as a starting material for production of paper or paper board.

The present invention discloses an electrode with self-support structure, and a preparation method thereof, and an application thereof. The electrode comprises a conductive collector and electrode active materials; and the electrode active materials are in in-situ growth at the surface of the conductive collector in a nanorod array mode, wherein the electrode active materials are metallic oxide coated with carbon quantum dots, the taking amount on the electrode is 0.5-30mg/cm2, and preferably, the taking amount on the electrode is 1-10mg/cm2. The electrode provided by the invention is low in impedance, fast in electrical transmission and large in specific capacity of the electrode, and the preparation process is simple and has wide applicability.

The invention relates to a Zr-Co-Re thin film getter provided with a protection layer, and a preparation method thereof. The Zr-Co-Re thin film getter is composed of a getter layer and the protection layer; main components of the getter layer are Zr, Co, and one or more selected form rare earth elements La, Ce, Pr, and Nd; and main component of the protection layer is Ni. Pulsed laser deposition film plating is adopted, and deposition of the double-layer structured thin film getter containing the protection layer and the getter layer on texture monocrystalline silicon is carried out. The texture substrate is capable of increasing effective area of the getter thin film, and so that inspiratory flow rate and inspiratory capacity are increased. The surface of the getter layer is plated with a Ni protection layer; Ni is capable of realizing dissociation of hydrogen, and increasing absorption amount of hydrogen; and the Ni protection layer is capable of inhibiting absorption of oxygen and reducing activation temperature. Activation of the Zr-Co-Re thin film getter can be realized in roasting processes at a temperature of 180 to 350 DEG C; after roasting, the Zr-Co-Re thin film getter possesses excellent inspiration performance at room temperature, can be used for internal gas residue removing of high vacuum microelectronic devices.

The invention discloses a non-evaporable low-temperature activated zirconium getter film and a preparation method thereof. The non-evaporable low-temperature activated zirconium getter film comprises an adjusting layer, a gettering layer and a protecting layer which grow on a rough monocrystalline silicon wafer sequentially, wherein in terms of chemical composition, the gettering layer contains 75%-77% by mass of zirconium, 18%-22% by mass of cobalt, 2%-5% by mass of yttrium and the balance of other inevitable impurities; in terms of a microstructure, the gettering layer is formed by densely arranged columnar grains, and the height of columnar tissue is 100-300 nm. The prepared getter film has the advantages of being environment-friendly, high in gettering capacity, low in activation temperature, high in adhesion force, long in service life, easy to prepare, low in cost and the like and is applicable to packaging of mini vacuum devices in the industrial field of microelectronics.

The invention relates to successful preparation of a Co-MOF-71 nano-material. According to the invention, preparation process conditions are optimized; the prepared Co-MOF-71 nano-material is uniform in crystal grain size and has good stability; and when Co utilizes the acidic catalysis reaction of MOF framework metal ions, the metal ions are active sites and the supporting points of a framework, and metal ions undergo coordination in the process of catalysis. The prepared Co-MOF-71 material has high metal content and completely exposed metal sites; more Lewis acid site Co-MOF-71 materials can be provided; and the material is beneficial for total activation of reactant molecules and has good catalytic activity.

The invention discloses a method for preparing water dispersible granules of pesticides. The preparation method disclosed by the invention comprises the following steps: performing sand grinding on raw pesticides and filling materials into suspension with the particle size of 5 microns or less by taking liquid and grinding aids as media, performing solid-liquid separation, mixing the solid phase and pesticide aids, functional aids and the filling materials, granulating, drying, and screening, thereby obtaining the water dispersible granules of pesticides, wherein the liquid-phase cycle is used for the grinding process. The active material prepared by the invention has the particle size of less than 5 microns, is large in active surface and high in suspension rate and has high biological activity; the preparation process in the invention is liquid-phase grinding, is dust-free and is a pipeline process, and a continuous and automatic production process can be formed.

The invention belongs to the field of preparation of inorganic nonmetallic materials, and particularly relates to a preparation method of a copper cobaltate porous microrod and nickel foam composite electrode material. The preparation method comprises the steps that clean nickel foam is soaked in an oxalic acid aqueous solution, and a mixed aqueous solution of soluble copper salt and soluble cobalt salt is dropwise added into the oxalic acid aqueous solution under the condition of stirring at room temperature; stirring reaction is conducted till micron-structure precursors grow out on the surface of the nickel foam, the nickel foam is taken out, cleaning, drying and calcining are sequentially conducted, and the copper cobaltate porous microrod and nickel foam composite electrode material is obtained. According to the preparation method of the copper cobaltate porous microrod and nickel foam composite electrode material, the technology is simple and easy to carry out, the product purity is high, the preparation cost is low, the diameter of a copper cobaltate microrod ranges from 0.5 micrometer to 2 micrometers, the length of the copper cobaltate microrod is about 5-10 micrometers, the size of a nano pore channel ranges from 10 nm to 50 nm, the uniformity and the dispersity of the product are both good, the copper cobaltate porous microrod and nickel foam composite electrode material can be directly applied to electrode materials of supercapacitors, the production technology is simple, and the preparation method is prone to be applied to practical large-scale production.

The invention discloses a porous graphene fiber non-woven fabric and a preparation method thereof. According to the invention, a large number of micropores are contained in the interior and on the surface of the graphene fibers which constitute a non-woven fabric, and a multi-stage pore channel structure composed of macropores and micropores is formed in the non-woven fabric, so the specific surface area of a novel graphene fiber nonwoven fabric is significantly increased; meanwhile, a mutually-overlapped flexible network framework can be formed through strong interactions among fibers, so theporous graphene fiber non-woven fabric provided by the invention has broad application prospects in the fields of adsorption, catalysis and energy-storage electrode materials, etc.

The invention discloses an ectropic obliqua nuclear polyhedrosis virus bacillus thuringiensis desinsection suspending agent and a preparation method thereof. The agent mainly comprises the ectropic obliqua nuclear polyhedrosis virus and the bacillus thuringiensis, wherein the content of the inclusion body of the ectropic obliqua nuclear polyhedrosis virus is (1.0x10<6>-1.0x10<10>)PIB/mL, and the content of the bacillus thuringiensis is between 3.0 and 25.0 percent. The ectropic obliqua nuclear polyhedrosis virus bacillus thuringiensis desinsection suspending agent comprises the ectropic obliqua nuclear polyhedrosis virus, the bacillus thuringiensis, polycarboxylate, sodium lignosulfonate, dioctyl sulfo succinic acid, alkyl sulfonate, white carbon black, magnesium aluminum silicatenf, sodium benzoate, xanthan gum, carboxymethyl cellulose, polyvinyl alcohol, glycol, propanediol, organosilicon defoamer and water which are mixed according to certain ratio. The agent and the preparation method thereof are not harmful to environment, organisms and human bodies, do not pollute the environment or have residue, and can effectively control the generation and harm of the ectropic obliqua; and the agent is suitable for the application in a large quantity, has long persistent period, increases the speed of the virus to kill pests, and ensures that the desinsection time of the virus pesticide is shortened to three to five days.

The invention relates to a microporous ultra-thin soft carbon nanosheet electrode material, and a preparation method and an application thereof. The thickness of the microporous ultra-thin soft carbonnanosheet electrode material is 20-30nm, and the morphology is a nanosheet having a uniform size; the microporous ultra-thin soft carbon nanosheet electrode material has a surface with a pleated structure; and the microporous ultra-thin soft carbon nanosheet electrode material has a large number of micropores and defect sites at the edge of a crystal lattice to provide additional ion storage sites. The microporous ultra-thin soft carbon nanosheet electrode material provided by the invention has the beneficial effects that the microporous ultra-thin soft carbon nanosheet electrode material hasa larger specific surface area and a large number of microporous structures than the conventional soft carbon electrode material, thereby and not only enhancing the diffusion performance of ions in amaterial body, but also increasing active interfaces between the material and the electrolyte, enhancing the kinetics of the material in an electrochemical reaction process, improving the capacitivecapacity contribution, exhibiting excellent rate performance and and achieving rapid charge and discharge.

The invention provides a thidiazuron suspension cotton defoliating agent, which comprises the following components in percentage by weight: 47.5 to 52.5 percent of thidiazuron, 3 to 6 percent of GY-D01, 1 to 3 percent of GY-D04, 2 to 3.5 percent of naphthalene sulfonate polycondensate, 0.4 to 1.2 percent of alkyl naphthalene acid salt, 0.05 to 0.15 percent of xanthan gum, 0.3 to 4.0 percent of dimethyl silicon oil, 4.5 to 5.5 percent of ethylene glycol and the balance of water. The thidiazuron suspension cotton defoliating agent has the advantages of small particular size, large active surface area, high seepage force, no dust during medicine preparation, low cost, high medicine effect, cold and freezing resistance and the like. The thidiazuron suspension cotton defoliating agent has the advantages of both wettable powder and missible oil, can be wetted by water, has high suspension property after being diluted by water, and can be directly prepared into spray liquid to be used. The thidiazuron suspension cotton defoliating agent can effectively prevent cotton from remaining green when it is due to become yellow and ripe and delaying ripping, promote cotton bolls to open, improve flower rate before frosting, increase yield and improve cotton quality, and is an ideal medicinal agent for machine picking and manual picking.

The invention belongs to the preparation field of inorganic non-metallic materials, and especially relates to a preparation method of a manganese (III) oxide porous micro-sheet/foamed nickel combined electrode material. The method comprises the steps: immersing clean foamed nickel into an oxalic acid aqueous solution, adding a potassium permanganate aqueous solution drop by drop into the above solution at a room temperature and in a stirring condition, conducting stirring reaction until a micro-structure precursor grows on the surface of the foamed nickel, taking out the foamed nickel, conducting cleaning, drying and calcining in sequence, and finally obtaining a manganese (III) oxide porous micro-sheet/foamed nickel combined electrode material. The preparation method is simple and convenient, is low in manufacture cost, and produces products that have high purity. A manganese (III) oxide micro-sheet is 200-300nm in thickness and 3-5[Mu]m in dimension. The dimension of a nano-scale porous channel is 10-30nm. Products have great uniformity and dispersibility, can be directly applied to super-capacitor electrode materials, and can be easily applied to actual large-scale production.

The present invention discloses a hetero-type methanation catalyst and a molding process and application thereof. The process is as follows: nickel-based synthesis gas methanation catalyst powder is prepared into porous cylinder particles by compression or squeezing, wherein diameter Phi of a profile circumscribed circle of the porous cylinder particles is 3-22mm, height is 3-12mm, ratio of surface area / grain skeleton volume is 0.8-1. 6mm<2> / mm<3>, the maximum radial mass transfer distance is 1.4-4.0mm, and the geometric shape of the porous cylinder particles is regular and symmetrical. The molding process of the hetero-type methanation catalyst aims at process characteristics and requirements of various stages of the synthesis gas methanation process, the utilization efficiency of catalyst active components can be improved, and the hetero-type methanation catalyst has an important role for reducing bed resistance drop and improving long-time operational stability of the catalyst.