653results about How to "Scalable production" patented technology

A method and apparatus for an electronic substrate having a plurality of semiconductor devices is described. A thin film of nanowires is formed on a substrate. The thin film of nanowires is formed to have a sufficient density of nanowires to achieve an operational current level. A plurality of semiconductor regions are defined in the thin film of nanowires. Contacts are formed at the semiconductor device regions to thereby provide electrical connectivity to the plurality of semiconductor devices. Furthermore, various materials for fabricating nanowires, thin films including p-doped nanowires and n-doped nanowires, nanowire heterostructures, light emitting nanowire heterostructures, flow masks for positioning nanowires on substrates, nanowire spraying techniques for depositing nanowires, techniques for reducing or eliminating phonon scattering of electrons in nanowires, and techniques for reducing surface states in nanowires are described.

The invention discloses a method for comprehensive treatment of oilfield waste, which is characterized by comprising the process steps of cleaning and separation, ultrasonic separation, tempering and destabilization, oil-water separation, centrifugal separation, mixed curing, air floatation separation, adsorption filtration, flocculating settling, oxidization electrolysis, deep purification and permeable filtration. Thus, the oilfield waste is treated and utilized in a classified manner, so that sump oil is recovered, the solid phase achieves the discharge standard of oilfield sludge treatment design specifications (SY / T6851-2012) or is reutilized for construction material manufacturing, and the liquid phase achieves the sewage comprehensive discharge standard (GB8978-1996) after being subjected to water treatment.

The invention relates to the technical field of clinical medicines, and particularly relates to a cell preservation solution and a preparation method and applications thereof. The cell preservation solution comprises albumin, glucose, vitamin C and basic preservation liquid, wherein the basic preservation liquid is a mixture of compound electrolyte injection and compound amino acid injection. The cell preservation solution disclosed by the invention achieves a good maintaining effect on the viability and morphology of more than two kinds of seed cells, and can preserve the seed cells for a long time, and maintain the biological characteristics of the seed cells, thereby significantly improving the therapeutic effect of the seed cells.

The invention discloses a method for preparing a polymeric nano-micro fiber non-woven fabric. The method comprises the following steps of: firstly, dissolving at least one polymer in at least one solvent to prepare spinning solution; then supplying the spinning solution to a spinneret plate with a series of spinneret orifices so as to make the spinning solution extruded from the spinneret orifices of the spinneret plate to form a trickle of the spinning solution; secondly, stretching and refining the trickle of the spinning solution by utilizing at least one high-speed jet airflow, and accelerating the volatilization of the solvent to form nano-micro fiber; and finally, collecting the nano-micro fiber on a web curtain by utilizing high-speed airflow and suction airflow. The polymer is a fiber-forming polymer; the solvent can dissolve the fiber-forming polymer and has the volatility; a jet angle of the high-speed airflow is between 15 and 60 degrees, and the jet velocity is at least 50 times higher than extrusion speed of the trickle of the spinning solution; the mass concentration of the polymer in the spinning solution is between 2 and 50 percent; and the viscosity of the spinning solution at a spinning temperature is between 10 and 100, 000mP.s.

The invention relates to a preparation method of porous nano fiber. The preparation method comprises the steps of: dissolving polymer for electrostatic spinning in a solvent to obtain a fiber-forming polymer solution; then adding a dispersion insoluble in the solvent, adding a surfactant, and stirring to obtain an emulsion; and carrying out electrostatic spinning on the emulsion, and volatilizing the dispersion during the spinning process or washing off the dispersion in the spinning process and the subsequent washing process to obtain the porous nano fiber. According to the invention, the preparation method is simple to operate, low in cost, and is suitable for mass production; the pore forming effect is good; and the obtained porous nano fiber has larger specific area and an irregular pore structure.

The invention discloses a health product for increasing bone density and a preparation method of the health product. Chinese dwarf cherries, Chinese herbal medicine extracts refined by adopting a modern extraction technology and other raw materials having the function of increasing the bone density are scientifically compounded and are scientifically combined omnibearingly to play a synergistic effect, so as to effectively promote the calcium absorption in multiple aspects, repair and reconstruct the cartilago articularis, promote the generation of synovial fluid, promote the synthesis of collagen in cartilago articularis substrates, prevent the further degradation of cartilage, indirectly reduce the osteoclast function, inhibit the re-absorption of bones, increase the content of bone calcium and perfect the biomechanical properties of the bones, so that the product has a good function of increasing the bone density. A microwave drying technology in the preparation method can be used for further improving the integration and biological stability of the health product, and by means of the antioxidant activity of a grape seed extract in the raw materials, the strong adsorption and inclusion functions of modified dietary fibers and the antifungal propertie of the Chinese herbal medicine extracts, an efficient, safe, nutritional and stable health product having the function of increasing the bone density is prepared finally.

The invention relates to a graphene-based hierarchical porous carbon material. The graphene-based hierarchical porous carbon material comprises, but not limited to, a graphene structure and an activated carbon structure at the same time, wherein the graphene composition is between 3.3% in percentage by mass and 40% in percentage by mass and the carbon material has a specific surface area of 200-1600m<2> / g, a pore size continuously distributed between 0.5nm and 10 microns, an average pore diameter between 2.5nm and 12nm, a pore volume between 0.3-1.1ml / g, a carbon content of 70-97%, a compaction density between 0.8 and 1.3g / ml and the contents in percentage by mass of two elements, namely, carbon and oxygen are 85-98%. The graphene-based hierarchical porous carbon material has the advantages that the cost is low, the process and the device are simple, the porosity is developed and the scale production can be achieved.

This invention discloses a solar energy battery skylight and its manufacturing method aiming at producing a solar energy car skylight with arc by an arc lamination technology and turning the solar energy batteries serial or parallel on the arc of a car skylight glass to an integral arc structure and having the function of generation to improve the outlook of the skylight and overcome crisp in the large amplitude arc lamination.

The invention relates to a temperature and pH stimuli-responsive intelligent polymer microcapsule and preparation thereof. The microcapsule comprises two polymers sensitive to temperature and pH, and an interpenetrating network structure is formed between the two polymers. Preparation includes the following steps: (1) uniformly blending tetraethyl orthosilicate, aqueous ammonia, water and absolute ethyl alcohol, and then adding surface modifier; (2) adding temperature-sensitive monomer and crosslinking agent into the modified dispersion, and adding initiator for reaction; (3) after diluting the emulsion by five to fifteen times, adding pH-sensitive monomer and crosslinking agent, and adding initiator for reaction; and (4) dispersing the white emulsion of core-shell composite particles with shells formed into a interpenetrating polymer network structure into hydrofluoric acid, and carrying out centrifugal separation or dialysis purification. The microcapsule can respectively respond tothe stimulation of temperature and pH, and moreover, the two types of stimuli responsiveness are independent from each other, and therefore have little interference on each other. The preparation method is simple, and is suitable for industrial production.

The invention discloses anti-oxygenation maillard flavor peptides and a method for preparing the same. The anti-oxygenation maillard flavor peptides are prepared by using fish skin, which is waste from the processing of various fishes as a raw material and by the steps of pre-treatment, controlled enzymolysis, ultrafiltration, maillard reaction, ultrafiltration, drying and the like. The molecularweight range of the prepared maillard flavor peptides is between 1,000 and 5,000Da and the peptide content in the maillard flavor peptides is more than or equal to 90 percent. Tests indicates that the maillard flavor peptides prepared by the method can obviously improve delicate flavor, plumpness and delayed permeation property; simultaneously, the maillard flavor peptides are high in anti-oxygenation, and the oxidation resisting activity of the maillard flavor peptides is equal to commercial edible antioxidants; and the maillard flavor peptides not only obviously improve the delicate flavor,but also contain health-care ingredients, and is a novel natural and healthy flavor-development base material for flavorings.

The invention disclose a method for preparing pressed active carbon by using tobacco-stem, which comprises the following steps of: crashing the tobacco-stem to be 0.5-0.8mm, carrying out heating carbonization with the temperature-raising speed of 10 DEG C / min and under protection of nitrogen, raising the temperature to 300-400DEG C, and carrying out temperature preservation for 30-60min; mixing the tobacco-stem after carbonization with KOH evenly, raising the temperature to 400 DEG C with the temperature-raising speed of 5 DEG C / min and under the protection of nitrogen, carrying out temperature preservation for 30min, then raising the temperature to 700-800 DEG C with the temperature-raising speed of 10 DEG C / min and carrying out temperature preservation for 30-90min; washing activated samples by using clear water and obtaining powder-shaped active carbon; mixing the powder-shaped active carbon with a binder and a pore-creating activator; and carrying out press forming at pressure of 10-15 MPa, placing the mixture into a tube type resistance furnace, raising temperature to 800-850 DEG C with the temperature-raising speed of 5 DEG C / min and under the protection of nitrogen, carrying out temperature preservation for 30-60min, and obtaining the pressed active carbon after cooling.

The invention relates to a high energy storage density and efficiency polymer composite film and a preparation method thereof. The composite film is composed of a polyvinylidene fluoride matrix and nanofiber with a core-shell structure in the polyvinylidene fluoride matrix, a core layer of the nanofiber with the core-shell structure is ceramic fiber, and the case layer is a silica coating layer. Compared with prior art, the dielectric constant of the composite film can be adjusted by adjusting the content of ceramic fiber, simultaneously, dielectric loss tangent is less than 5%, breakdown field intensity is greater than 2000kV / cm, and energy storage density is 3-7J / cm<3>. The composite film can reduce interfacial polarization generated at a ceramic-compound interface, can increase the energy storage density of PVDF, can be used for capacitor and large power static energy storage materials, has the advantages of simple and practicable operation, low cost, convenience and rapidity, and enables large scale production.

A preparation method of a heteroatom doped graphene hierarchical pore carbon material comprises the following steps: preparing graphene micro-sheet dispersing liquid by using graphene, then carrying out pore-forming etching on graphene micro-sheets in the graphene micro-sheet dispersing liquid, and preparing porous graphene micro-sheets; mixing the porous graphene micro-sheets with a fatty acid metal compound coating agent and a dopant to obtain oil-phase viscous graphene-based precursor; carrying out programmed heat treatment; carrying out acid pickling, water washing and solid-liquid separation on a product after heat treatment, and drying solid to obtain the final product. The preparation method has the advantages of low cost, simple process, low energy consumption, wide raw material source, and capability of large-scale production.

The separation of single-walled carbon nanotubes (SWNTs), by chirality and / or diameter, using centrifugation of compositions of SWNTs in and surface active components in density gradient media.

The invention discloses a boron-gallium codoped quasi-monocrystalline silicon, which comprises boron and / or phosphorus with the concentration of 1*10<14> / cm<3>-5*10<16> / cm<3> and gallium with the concentration of 1*10<14>-1*10<18> / cm<3>. The quasi-monocrystalline silicon can be used for manufacturing an efficient laminar solar cell, and synchronously, due to a boron-gallium codoping effect, the generation of a boron-oxygen complex is decreased or avoided, thereby decreasing the photoinduced attenuation of the cell. The invention further discloses a preparation method of the boron-gallium codoped quasi-monocrystalline silicon, and the preparation method is simple and convenient, is easy to operate, has low cost, and can be used for scale production.

A software application development system and method for producing, delivering and displaying scalable, adaptable, interchangeable software applications that provide universal consistency, operability and compatibility on any hardware and / or operating system of any digital device. The system and method providing through a distinctive Hierarchical Access Navigation and Menu System seamless integration of a plurality of software applications, external applications, web pages, and URL's without exiting a defined core application environment. The system uses Architectural Blueprints and Composite Hyper Displays to determine the composition and geometry of User Access (UA), the User Interface (UI), the User Experience (UX) and the User Content (UC).

The invention discloses a feed for promoting the reproductive performance and used in the earlier stage of a peak laying period, belonging to the technical field of feed composition. Plant extracts, corn bee pollen extract, Chinese herb extracts, modified dietary fiber, prebiotics factors and the like are scientifically compounded in the laying hen feed used in the earlier stage of a peak laying period and thus the feed for promoting the reproductive performance is prepared; through feeding experiment, the feed disclosed by the invention and the commercially available feed used in the peak laying period respectively have the following beneficial effects: the length of the fallopian tube of the laying hen is 6.82cm and 4.62cm respectively, the weight of the fallopian tube is improved by 11.49g and 7.46g respectively, the weight of ovary is improved by 6.08g and 4.17g respectively, the laying rate is improved by 2.07% and 2.15% respectively, the egg yield is improved by 2.73g and 1.92g respectively, the shank length is 7mm and 5mm respectively, the weight is improved by 0.07kg and 0.05kg respectively and the survival rate is improved by 2.4% and 3.2% respectively; the laying hen has strong reproductive performance, strong production performance, strong immunity resistance and disease resistance.

The invention relates to a method for preparing a quantum dot photodetection array device based on ink-jet printing technology. The method is characterized by carrying out plasma and chloroform processing on a substrate; then, printing a metal electrode array and a quantum dot array on the substrate through an ink-jet printer with metal electrode ink and quantum dot ink respectively; and finally, carrying out current and voltage test in the dark and any monochromatic light source environment. The method for preparing the quantum dot photodetection array device based on the ink-jet printing technology is simple in preparation technology, and can carry out large-scale production; and the photodetection device adopts quantum dots, so that the photodetection device has a better photosensitive characteristic for any excitation light source.

The invention discloses an anisotropic wood-based nanofiber aerogel. The aerogel is obtained by the following steps: light wood with a density of 80-150 mg / cm<3> is adopted, delignification treatmentis performed, dehemicellulose treatment is performed to prepare a wood-based nanofiber hydrogel, water in the hydrogel is replaced to obtain a nanofiber alcohol sol, freeze drying is performed, and therefore the aerogel is obtained. The invention also discloses the specific preparation method. According to the method provided by the invention, the wood-based nanofiber aerogel prepared by the method has a low density, high porosity, good compression performance and elasticity, is a green environmentally-friendly aerogel material, has low preparation costs, can be produced in a large scale, andhas board application prospects in the fields of thermal insulation, noise insulation, adsorption catalysis, biomedicine, energy storage and the like.

The invention discloses a composite solid electrolyte material and a preparation method and application thereof. The composite solid electrolyte material is composed of a conducting ion polymer, a metal-organic framework material and an alkali metal or alkaline earth metal salt. The metal-organic framework material includes MOF-235, MIL-68, MIL-88. MIL-96 and other series. The metal-organic framework material has a special topological structure. The addition of the solid electrolyte material can effectively reduce the crystallinity of the polymer electrolyte, promote the dissociation of the alkali metal or alkaline earth metal salt, the obtained composite solid electrolyte has good ionic conductivity and electrochemical stability in a wide temperature range (25-120 DEG C) and also has goodflexibility and film thinning, and the preparation method is simple and scale production is feasible. The composite solid electrolyte can be matched with different types of positive electrode materials and alkali metal or alkaline earth metal negative electrode, and the assembled all-solid-state battery can present good electrochemical performance at the above-mentioned temperature.

Disclosed is a rice field eel fodder which is prepared from fish meal, flour, soya bean waste, brewer's yeast grease, cereal meal, calamari marrow powder, fish oil, anti-fungus agent, oxyneurine, rice field eel multivitamin, rice field eel minerals through the steps of weighing raw material, first mixing with blenders, ultramicro disintegrating, cleaning and roguing, second mixing with blenders, low-temperature bulking with swelling machines, drying with drying-machines, spraying fish oil through a grease outside spraying system, drying with a refrigerator, sifting with grading sieves and sacking.

The invention discloses an aluminum powder pigment with iridescent pearl luster and a preparation method thereof. The method uses aluminum powder with an average particle size of 10 μm to 150 μm and a surface coated with SiO2 film as the substrate raw material. The SiO2 film is inert, acid-resistant, heat-resistant, and transparent. The pH of the solution is 1.5-2.5 and the temperature is 60 Under the condition of ℃~80℃, deposit a layer of nano-titanium dioxide film on the transparent SiO2 film by chemical liquid phase deposition, wash and dry, and bake the pigment at 500℃~600℃ under the protection of inert gas 0.5~1.0 h, the high-gloss pearlescent aluminum powder pigment with TiO2 / SiO2 / Al-based composite film was obtained. The pigment also has excellent comprehensive properties such as the illusion interference effect of pearlescent pigments and the conductivity, high hiding power, shielding and non-toxic environmental protection of metallic aluminum powder pigments. It has unique decorative effects and can be widely used in high-end automotive topcoats and high-end decorations. Products, surface coating of high-end instruments, ink printing, children's toys, etc. The method of the invention is simple and feasible, and has industrial feasibility.

A preparation method of graphene coated silica nanotube composite negative electrode material for lithium ion batteries is as follows: (1) dispersing zinc oxide nanorods to an ethanol solution, sequentially adding water, ammonia water and a TEOS solution to obtain zinc oxide / silica core-shell nanorods; (2) dispersing the products from the step (1) in to an aqueous solution of sodium chloride, and adding PDDA for modification; (3) dispersing the products from the step (2) and the graphene oxide into an aqueous solution, dropwise adding sodium borohydride to obtain graphene coated zinc oxide / silica core-shell nanorods; and (4) dispersing the products obtained from the step (3) in an excessive amount of acid solution to dissolve zinc oxide nanorods, so as to obtain the composite negative electrode material. According to the invention, zinc oxide nanorods are used as templates, and coated by silicon dioxide and graphene, and then the template is removed, so as to prepare the graphene coated silica nanotube composite material. The prepared composite material has the performances of high discharge capacity, long cycle life and high rate capability.

The invention relates to a polymer matrix composite and a preparation method thereof. The composite is a laminated film composed of a polyvinylidene difluoride matrix and a nano-fiber material dispersed in the polyvinylidene difluoride matrix. The nano-fiber material is of a core-shell structure, wherein a core layer is made of a ceramic fiber, and a shell layer is an aluminum oxide coating layer. The polymer matrix composite is prepared through the method comprises the following steps: (1) placing the ceramic fiber in mixed solution of aluminum nitrate, polyvinyl pyrrolidone and ethyl alcohol, and after uniform mixing, obtaining the nano-fiber material through sintering; (2) causing the nano-fiber material to undergo surface modification through a coupling agent, then adding the nano-fiber material into mixture of polyvinylidene difluoride and dimethylformamide, performing uniform mixing, pouring the mixture in a casting film machine to form a film through flow-casting, and performing drying to obtain the laminated film; (4) and causing the laminated film to undergo heating and heat insulation, quenching and drying, and obtaining the polymer matrix laminated film. Compared with the prior art, the polymer matrix composite has the advantages that the laminated film is high in energy density, good in energy storage efficiency, simple in preparation process and low in cost.

The invention provides a method for modifying a sodium ion battery negative electrode material titanium dioxide, wherein the method comprises the steps : mixing a titanium source and a structure-directing agent to form a titanium-containing solution, and carrying out a hydrothermal reaction to prepare a nano titanium dioxide precursor, wherein the molar ratio of the titanium source to the structure-directing agent is 1:(0.1-1), and the ratio relationship between the titanium source and a solvent is (0. 01-0.5) mol:1 L; and mixing the obtained nano titanium dioxide precursor with a solid nitrogen source with the mass ratio of the titanium source to the nitrogen source of 1:(0.1-10), stirring and grinding, and calcining the mixture in protective gas to obtain the sodium ion battery negativeelectrode material titanium dioxide. In the method, cladding of a titanium nitride thin film can significantly enhance the electronic conductivity, so the sodium storage capacity and the rate performance of the titanium dioxide material are improved; at the same time, with doping of the nitrogen element, the conductivity of titanium dioxide can be further effectively improved, so excellent electrochemical performance is showed.

A layer of chromium metal is electroplated from trivalent chromium onto an electrically conducting substrate by immersing the substrate and a counter electrode in a electroplating bath and passing a modulated electric current between the electrodes. In one embodiment, the current contains pulses that are cathodic with respect to said substrate and in another embodiment the current contains pulses that are cathodic and pulses that are anodic with respect to said substrate. The cathodic pulses have a duty cycle greater than about 80%.

The invention discloses a high strength and toughness filiform crystal grain pure titanium. A microstructure is constituted by filiform crystal grains or by mixing of the filiform crystal grains and equiaxed crystal grains, wherein the length ratio of the long axes to the short axes of the filiform crystal grains is larger than 40, the size of the short axes is 10 [mu]m-10 nm, and the equiaxed crystal grains are recrystallized ultra-fine grains. The invention further discloses a preparation method of the high strength and toughness filiform crystal grain pure titanium. The preparation method comprises the following steps that (1) the orientation of the crystal grains is adjusted through equal-channel corner extrusion of 1-2 passes, and thus a titanium bar is obtained; (2) the titanium barobtained in the step (1) is subjected to multiple-pass rotary forging and then cut, and thus a titanium plate with the rectangular cross section is obtained; (3) then, the titanium plate is subjectedto annealing and multiple-pass controlled rolling circularly; and (4) the high strength and toughness filiform crystal grain pure titanium is obtained after annealing. The mechanical performance of the pure titanium is equivalent to that of alloy titanium, the high cost and complex technique of an alloy and elements of Al, V and the like which are harmful to organisms are avoided, and the high strength and toughness filiform crystal grain pure titanium can be preferentially used as joint type, dental type and support type organism implantable structural materials.

The invention discloses a preparation method and an application of a nitrogen-doped carbon fiber / nitrogen-doped graphene / bacterial cellulose membrane material, relates to a preparation method and an application of a membrane material and aims to solve the problem that a flexible electrode material prepared with a conventional method does not have good stability, cycle performance and mechanical properties. The method comprises the following steps: preparing bacterial cellulose pulp; preparing a bacterial cellulose and graphene composite; preparing a polypyrrole coated bacterial cellulose and graphene composite; preparing a nitrogen-doped carbon fiber / nitrogen-doped graphene composite through high-temperature carbonization; preparing a nitrogen-doped carbon fiber / nitrogen-doped graphene dispersing agent; performing vacuum pumping filtration on the bacterial cellulose pulp for membrane forming, adding the dispersing agent for continuous pumping filtration for membrane forming, and performing vacuum drying for finishing. The membrane material has low equipment corrosion, low cost, good cycle performance and good mechanical properties and can realize scale production, and a symmetrical supercapacitor prepared from the membrane material has the good capacitive character. The invention belongs to the technical field of nanomaterials.