830results about How to "Simplify production steps" patented technology

An electronic device having mounted thereon an MEMS element or other functional elements, in which a device body and lid define an element-carrying space, the element-carrying space is sealed air-tight by an ultrasonic bonded part bonding the device body and the lid, and the element-carrying space having arranged inside it a system element secured to the device body and / or the lid by flip-chip connection.

An electronic device having mounted thereon an MEMS element or other functional elements, in which a device body and lid define an element-carrying space, the element-carrying space is sealed air-tight by an ultrasonic bonded part bonding the device body and the lid, and the element-carrying space having arranged inside it a system element secured to the device body and / or the lid by flip-chip connection.

The invention relates to a side light type LED backlight module. The backlight module comprises a light guiding plate made of a transparent material, an LED light source, a fluorescent film, and a transparent heat conducting material. At least one side of the light guiding plate is connected with support bars; and an accommodating space is formed between the light guiding plate and the support bars. The LED light source comprises a circuit board and a plurality of LED chips connected with the circuit board. The fluorescent film is arranged between the LED chips and the light guiding plate, and mixes the light rays emitted by the LED chips so as to produce white backlight or other required color backlights; and the LED light source and the fluorescent film are positioned inside the accommodating space. The transparent heat conducting material is filled in the accommodating space between the light guiding plate and the support bars. The LED backlight module integrally encapsulates a plurality of LED chips, thereby solving the problems of low light source density and insufficient brightness caused by the separately encapsulated LED chips in array. Consequently, the side light type backlight module is applied to large-scale ultra thin type LCD devices.

The invention discloses a device and a method for preparing polysulfonamide nanometer fiber nets by means of airflow-electrostatic combination. The device comprises a liquid storage tank, an air chamber, an electrostatic generator and a receiving device, a plurality of spinnerets are arranged at the bottom of the liquid storage tank, the air chamber is arranged outside the liquid storage tank, air outlets in the number equal to that of the spinnerets at the bottom of the liquid storage tank are arranged at the bottom of the air chamber, the spinnerets are arranged inside the air outlets, an electrode with multiple pins are led from the positive electrode of the electrostatic generator to be connected with the spinnerets, and a lead is led from the negative electrode of the electrostatic generator to be connected with the receiving device. The method includes steps of combining the airflow method and the electrostatic spinning method effectively to prepare the polysulfonamide nanometer fiber nets. By the device and the method for preparing the polysulfonamide nanometer fiber nets, the specific surface area of the polysulfonamide nanometer fibers is enlarged greatly, the problem of blockage of existing electrostatic spinning needles due to inflow of the airflow is alleviated greatly, and spinning efficiency is improved. Besides, nanometer fibers can be prepared at the normal temperature directly, so that production procedures are simplified and production cost is saved.

The invention provides a molecular sieve catalyst for preparing low-carbon olefin, and the catalyst comprises the following raw materials by parts by weight: 30-93.7 parts of Na-ZSM-5 zeolite, 5-40 parts of bonding agent, 0.1-10 parts of modifier of mixed elements, 1-15 parts of hole structure regulator and 0.1-5 parts of extrusion assistant, and the modifier of the mixed elements is a soluble substance containing one or a plurality of elements of B, P, La, Ca, Mg, Sr, Zn, Cu, Mn, Cd, Ga and In. The invention further provides a prepration method of the catalyst. The molecular sieve catalyst adopts the extrusion assistant and adds an appropriate amount of hole structure regulator, thereby improving product strength and hole structure, effectively improving diffusion performance of the catalyst and further improving selectivity of the low-carbon olefin. The catalyst has the advantages of appropriate strength, high hydrothermal stability, high activity and high selectivity of propylene.

The invention discloses an antibacterial biaxially-oriented polylactic acid (BOPLA) film and a preparation method thereof. The polylactic acid film comprises the following components in parts by weight: 100 parts of a material special for a biaxially-oriented polylactic acid film and 0.4-3 parts of an antibacterial agent, wherein the film is prepared with a biaxial orientation method, and is 10-100 mum in thickness; the antibacterial agent is a poly-guanidine / polysilicate compound antibacterial agent, and is prepared by mixing a water-soluble poly-guanidine inorganic acid salt or an aqueous solution of an organic acid salt and an aqueous solution of water-soluble silicate, and adding an aqueous solution of a water-soluble metal salt; the molar ratio of the water-soluble poly-guanidine inorganic acid salt or the organic acid salt to the water-soluble silicate is 10:1-1:50; and the molar ratio of the water-soluble silicate to the water-soluble metal salt is 5:1-1:3. The antibacterial BOPLA film has the characteristics of high antibacterial efficiency, small using amount, good antibacterial effect and high water stability, and has a wide application prospect.

An embodiment of the invention provides an array substrate, a manufacture method of the array substrate and a display device and relates to the technical field of displaying. Times of figure composition technologies can be decreased in the array substrate manufacture process, and production cost of products can be effectively reduced. The manufacture method comprises the steps of forming a thin film transistor (TFT) and forming a first transparent electrode. The step of forming the first transparent electrode includes the steps of forming a metal oxide film, forming a barrier layer film and forming an etching barrier layer film. A figure of the metal oxide film and a figure of the etching barrier layer film are formed through one-time figure composition technologies. Metallization processing is performed in a figure region of a metal oxide film to form the first transparent electrode. The manufacture method is used for manufacture of the display device.

The invention relates to a method for synthesizing cefuroxime sodium, which comprises the following steps: 1, performing the N- acylation reaction of 3-deacetyl-7aminocephalosporanic acid and methoxyaminofuranyl ammonium salt which serve as raw materials and adjusting the pH value with hydrochloric acid to less than 7 in a mixed solvent phase to precipitate crystals to obtain 3-deoxyformyl cefuroxime acid; 2, performing the addition reaction of the 3-deoxyformyl cefuroxime acid and chlorosulfonyl isocyanate serving as a strong ammonia formylating agent in an organic solvent to obtain chlorosulfonyl cefuroxime acid, dehydrating the chlorosulfonyl cefuroxime acid to obtain the cefuroxime acid, decarburizing and concentrating the cefuroxime acid, crystallizing the cefuroxime acid in a solvent phase, and drying the crystals under vacuum to obtain a solid product of cefuroxime acid; and 3, dissolving the cefuroxime acid in alkaline solution, decarburizing the resulting product, crystallizing the resulting product in a mixed solvent phase, filtering crystals, and drying the crystals under vacuum to obtain the cefuroxime sodium.

A packing material for a lithium cell of the present invention includes a first adhesive layer, an aluminum foil layer, a coating layer, an adhesive resin layer or a second adhesive layer, and a sealant layer laminated sequentially onto one surface of a base material layer, wherein the coating layer includes a layer (A) in which 1 to 100 parts by mass of a phosphoric acid or a phosphate has been blended into 100 parts by mass of a rare earth element based oxide.

A preparation method of lithium bis(oxalato)borate relates to a preparation method of lithium bis(oxalato)borate for electrolyte of electrochemical equipment such as lithium ion batteries, comprising the following steps of: (1) uniformly mixing lithium salt and oxalate according to stoichiometric ratio, heating at 40-70 DEG C for 1-4h, adding a boron source into a mixture, thoroughly and uniformly mixing various kinds of materials; and (2) carrying out dry-pressing molding on the mixture at the pressure of 0.1MPa-10MPa, followed by heating reaction to obtain the lithium bis(oxalato)borate product.

The present invention relates to a TL immobilization enzyme and an application thereof. Specifically the present invention provides a preparation method for an immobilization lipase. The method comprises the following steps: a) carrying out a pre-treatment on a carrier, wherein the carrier is selected from an ion exchange resin or a macroporous adsorption resin having a polystyrene skeleton; b) providing a lipase; c) carrying out contact of the pre-treated carrier from the step a) and the lipase provided by the step b), such that the lipase is immobilized on the pre-treated carrier; and d) drying. The present invention further provides the immobilization lipase prepared by using the method of the present invention and an application thereof. According to the present invention, the immobilization enzyme of the present invention has high activity and stability, and does not generate soap during a process of catalysis of an ester exchange reaction in food industry, operation is simple, and oil processing cost is substantially reduced.

The invention provides a method for forming nano carbon fibers, comprising providing polyacrylonitrile solution; spinning the polyacrylonitrile solution for forming a plurality of nano fibers, wherein the nano fibers are overlapped together to form a net shape; carrying out thermal oxidation on the nano fibers for forming a plurality of nano-oxygen fibers; and carbonizing the nano-oxygen fibers for forming the plurality of nano carbon fibers, wherein the nano carbon fibers are overlapped together to form a net shape. The nano fiber has high conductivity and can further improve the performance of a fuel cell.

The invention discloses a preparation method of a tremella fermentation extract and its application. The preparation method of the tremella fermentation extract comprises the following step: tremella undergoes fermentation cultivation by the use of a strain or its culture solution or its suspension so as to obtain a fermentation product, namely the tremella fermentation extract. The strain is at least one of the following strains: zygosaccharomyces rouxii, pasteur yeast, brewer's yeast, wine yeast, acetobacter xylinum, Lactobacillus delbrueckii subsp. Bulgaricus, Streptococcus thermophilus, Bifidobacterium bifidum, lactococcus lactis and enterococcus faecalis. Through experiments, it proves that the tremella fermentation extract prepared by the method contains no chemical components, can be directly used as a finished product of facial mask or essence or toner, is more natural than other existing products in the market and will not have any negative effect on the skin. In addition, smaller components can be obtained by the preparation method in comparison with a common extraction method and the extract is easier to fully absorb by the skin.

The invention relates to the technical field of fish artificial propagation, in particular to a large-scale artificial propagation method for odontobutis potamophila. The large-scale artificial propagation method for odontobutis potamophila includes the steps: 1) parent fish rearing: feeding baits to parent fish before fry production, and performing parent fish strengthening cultivation for intensifying nutrition, promoting gonad development and increasing brood amount; 2) egg reproduction: hanging spawning nests at a spawning pool; and 3) parent fish egg protection and incubation: putting spawning nests with fish eggs and male parent fish in an incubation pool for incubation. By means of the technical scheme, manpower and material resources can be saved, production steps can be simplified, production efficiency is improved, and fry requirement of large-scale aquaculture can be met.

The invention relates to pleurotus eryngii bran-based biological feed and a preparation method thereof. Cultivation raw material used in a pleurotus eryngii culture process is full of nutriments, no pesticide or other chemical additives is added, and massive pleurotus eryngii bran is not effectively recycled or reasonably utilized in the traditional pleurotus eryngii culture process, thus resource waste is caused. In the invention, the pleurotus eryngii bran is taken as a raw material, is mixed with lactic acid bacterium solution, saccharomycetes solution or bacillus solution in proportion and is subjected to constant temperature fermentation and low temperature drying treatment so as to obtain the biological feed. The biological feed related in the invention is full of nutriments, is easy to absorb, is beneficial to growth and can improve immunity of livestock and yield and quality of goat milk; production steps are simple and are easy to realize; and the pleurotus eryngii bran is effectively recycled, and production cost is reduced.

The invention relates to the fields of animal medicine and veterinary medicines and in particular relates to a traditional Chinese medicine composition for treating pig trotter diseases and a method for preparing traditional Chinese medicine injection thereof. The traditional Chinese medicine composition for treating pig trotter diseases consists of 2-5 parts of honeysuckle, 2-5 parts of isatis root, 1-4 parts of Chinese angelica, 2-5 parts of radix scrophulariae, 2-5 parts of fructus forsythiae, 1-3 parts of safflower, 1-3 parts of ligusticum wallichii and 1-3 parts of liquorice. The preparation method comprises the following steps: mixing and crushing medicinal materials, adding purified water, heating and performing reflux extraction; concentrating the extracting solution, and adding ethanol for performing alcohol precipitation; concentrating the alcohol precipitation supernatant containing active ingredients for concentrating and recovering ethanol, and performing adsorption bleaching treatment on the concentrated solution; regulating the pH value of the adsorption bleaching treatment solution, sequentially adding Tween-80 and benzyl alcohol, uniformly mixing and filtering; and adding water for injection so as to regulate the content of active ingredients of the liquid medicine, carrying out split charging and sterilizing. The traditional Chinese medicine injection can be used for treating pig trotter swelling pain, contusion, bubbles, fester, sand crack, leg feet deformation and the like caused by various etiological factors.

The invention provides a 3-sterone-9Alpha-hydroxylation enzyme gene and a 3-sterone-9Alpha-hydroxylation enzyme reductase gene. By constructing various expression vectors and converting relevant strains, the invention obtains various high-expression strains such as escherichia coli, streptomyces and mycobacterium; furthermore, the mycobacterium of the 3-sterone-9Alpha-hydroxylation enzyme activity can be prepared; the prepared high-expression strains or other crude enzyme liquid can be used for catalyzing and producing the 3-sterone-9Alpha-hydroxylation steroid compounds; the mycobacterium of the 3-sterone-9Alpha-hydroxylation enzyme activity can be used for degrading sterol to prepare androst-4-alkene-3, 17-diketone or androst-1, 4-diene-3, 17-diketone; the engineering stains can greatly improve the production efficiency and product quality of the steroid drugs, are beneficial for reducing the energy consumption of steroid drugs during the production process, improving the utilization ratio of the prodrugs and simplifying the production steps, reduce the production cost, have moderate reaction conditions and friendly environment, are suitable for wide generalization and application and have higher economic benefits and social benefits.

The invention relates to a solid-state electrolyte, a preparation method thereof and a solid-state battery containing the solid-state electrolyte, wherein the solid-state electrolyte is composed of apolymer matrix, a lithium salt and an inorganic ceramic electrolyte powder; The preparation method of the solid electrolyte comprises the following steps: S1, preparing materials; 2, drying raw materials; S3, dispersion of inorganic ceramic electrolyte powder; 4, that polymer matrix is dissolve; S5, lithium salt dissolution; 6, prepare a solid electrolyte; A solid-state battery having a positive electrode, a negative electrode, and a solid-state electrolyte according to any one of the above disposed between the positive electrode and the negative electrode; The solid electrolyte provided by the present invention, The lithium ion battery has good room temperature ionic conductivity, mechanical performance and processing performance, can greatly improve the safety of the lithium ion battery,simplify the production process and reduce the production cost. At the same time, the solid-state battery manufactured by the solid-state electrolyte has good electric performance and safety performance, and the risk of fire and explosion of the battery is reduced effectively.

The invention discloses a method for preparing activated carbon from semi-coke and a device used in the method. The method comprises the following steps of: taking semi-coke of which the volatile matter is greater than 5% and the thermal stability is greater than 70%, screening and feeding the semi-coke of which the granularity is 5-20mm into a rake-type activating furnace (8) to be subjected to activation treatment to generate the activated carbon; discharging the activated carbon from the rake-type activating furnace (8), cooling at a helix cooling machine (6) and conveying through a belt conveyer (7); and finally entering an activated carbon packaging period to be selected and packaged. According to the method, the structural characteristics of organic matter components and micro-pores of a semi-coke product are sufficiently utilized, and with the combination of the operation control principle of the domestic activation furnace, a novel process control method is innovated, and the activation process of the rake-type furnace is applied to the production process of the semi-coke-made activated carbon, so that the activation process control precision of a product is greatly improved, activated carbon products of higher quality are produced, the additional value of a semi-coke product is greatly increased, the application space of the semi-coke is widened, and the market requirements of the activated carbon are met.

Disclosed is a near-field photocatalyst using a ZnO (ZnO) nanowire. The photocatalyst is advantageous in that low-priced zinc is used instead of titanium, conventionally used as a photocatalyst to reduce expenses, and that it is possible to obtain overvoltage which is sufficient to generate hydrogen using an optical near field formed around an end of a ZnO nanowire without the application of additional extenal voltage, thus the use of a costly electrode, such as platinum, is avoided and a process is simplified.

The invention discloses an antibacterial regenerated cellulose fiber and a preparation method thereof, and the antibacterial cellulose fiber contains 0.5 ~ 10wt% of chitosan quaternary ammonium salt, the preparation method comprises the following steps: (1) preparing the chitosan quaternary ammonium salt with deionized water and sodium hydroxide into an antibacterial solution; (2) using cellulose pulp as a raw material to prepare spinning viscose; (3) adding the antibacterial solution to a viscose solution of any step from the yellowing step to before spinning, with the adding amount of the chitosan quaternary ammonium salt being 0.5 ~ 10% of the weight of alpha cellulose in the viscose solution, to obtain an antibacterial spinning viscose solution; and (4) obtaining the antibacterial regenerated cellulose fiber by coagulating bath spinning and drawing molding of the antibacterial spinning viscose solution, and then refining and drying. The antibacterial regenerated cellulose fiber simultaneously has biodegradability, biocompatibility, safety and antibacterial property and other excellent properties, and has better moisture absorption and moisture preservation, crease resistance and softness.

A catalyst having a core-shell structure, a preparing method and uses of the catalyst are disclosed. The catalyst has a novel yolk-shell structure and includes a hollow microporous precious metal shell and a transition metal core disposed in a hollow cavity of the shell. The shell is formed by assembling precious metal nanometer particles. By the unique structure, the specific surface of the catalyst is large and the shell and the core are synergistic, thus greatly improving catalytic performance. The preparing method is simple, materials can be effectively saved, the cost is reduced, production steps are simple and environment pollution is low, thus meeting the development trend of the current era.

The invention provides a 3-sterone-Delta[1]-dehydrogenase. By constructing various expression vectors and converting relevant strains, the invention obtains various engineering strains such as non-3-sterone-Delta[1]-dehydrogenase activity strains or high 3-sterone-Delta[1]-dehydrogenase activity strains; the engineering strains can be adopted to selectively prepare androst-4-alkene-3, 17-diketone and 9Alpha-androst-4-alkene-3, 17-diketone or androst-1, 4-diene-3, 17-diketone and 3-ketone-1, 4-dienes steroid compounds. The engineering strains can greatly improve the production efficiency and product quality of the steroid medical production system, are beneficial for reducing the energy consumption of steroid drugs during the production process, improving the utilization ratio of the prodrugs and simplifying the production steps, reduce the production cost, have moderate reaction conditions and friendly environment, are suitable for wide generalization and application and have higher economic benefits and social benefits.

The invention provides a 3-ketosteroid-delta 1-dehydrogenase gene, cholesterol oxidase coded by the same, an expression vector containing a gene sequence of the 3-sterone-delta 1-dehydrogenase gene, a gene engineering recombinant strain containing the expression vector and a method for preparing 3-sterone-delta 1-dehydrogenase. The 3-sterone-delta 1-dehydrogenase provided by the invention is new 3-sterone-delta 1-dehydrogenase. The recombinant strain provided by the invention can be used for transforming 3-keto steroids, wherein the optimized recombinant strain can also be used for transforming androstane-4-alkenyl-3,17-diketone into boldenone, the expressed target protein is a soluble protein, the bottleneck of membrane protein in the traditional industrial production is broken through, and the recombinant strain has great significance in the industrial production of KSDD (3-ketosteroid -delta 1-dehydrogenase). Steroids are produced through microbial transformation, the production efficiency and the product quality of a steroid medicine production system are improved, and the production cost is reduced.

The invention discloses a cactus fermented raw stock and a preparation method and application thereof. The preparation method of the cactus fermented raw stock includes the following steps that a cactus raw stock, water and zymophyte are mixed to obtain an initial system, the initial system is subjected to fermentatal cultivation, and then the cactus fermented raw stock is obtained. The fermentation technology is adopted in the preparation method, operation is easy, and due to the fact that no foreign matter is added, the prepared cactus fermented raw stock is safe and free of harm to skin, and has very good free radical eliminating capacity and very high anti-aging activity when applied to cosmetics.

The invention discloses a solid-phase synthesis method of human relaxin-2, which comprises the following steps of: 1) solid-phase synthesis of a single-ring chain A; 2) solid-phase synthesis of a chain B; and 3) chemical synthesis of the human relaxin-2. By using the method to produce the human relaxin-2, the yield is high and can be up to 74-82%. The method disclosed by the invention has the advantages of convenient production steps and no impurity production in the production process, and effectively solves the problems that the solid-phase synthesis of the chain B of the human relaxin-2 isdifficult to complete by the Fmoc strategy and the synthesis process is too complicated.

The invention relates to the field of bio-fertilizers, and particularly discloses a preparation method of a nutrition package fertilizer. The preparation method of the nutrition package fertilizer is characterized in that the preparation method comprises the steps that furfural residues, animal wastes, plant ash and methane residues serve as raw materials; the raw materials are mixed; compound microorganism bacteria, medium elements and trace elements are added and stirred uniformly; a pH value of a mixture is adjusted to be 6-7; the mixture is fermented, and subjected to turning and secondary fermentation; compound microorganism bacteria are added; then bagging fermentation is conducted to form a semifinished nutrition package fertilizer; calcium ammonium nitrate is added to the semifinished nutrition package fertilizer, and mixed uniformly; and the finished nutrition package fertilizer is obtained. The method is simple in production step and low in production cost; the nutrition package fertilizer is applied as required; a granular structure of soil is improved; sterilization, convenience, decay control and insect prevention are facilitated; and a photosynthetic effect is improved.

A light-emitting device according to the present invention includes: a GaN substrate 1; a n-type AlxGa1-xN layer 3 on a first main surface side of the GaN substrate 1; a p-type AlxGa1-xN layer 5 positioned further away from the GaN substrate 1 compared to the n-type AlxGa1-xN layer 3; a multi-quantum well (MQW) 4 positioned between the n-type AlxGa1-xN layer 3 and the p-type AlxGa1-xN layer 5. In this light-emitting device, the p-type AlxGa1-xN layer 5 side is down-mounted and light is emitted from the second main surface 1a, which is the main surface of the GaN substrate 1 opposite from the first main surface. Hemispherical projections 82 are formed on the second main surface 1a of the GaN substrate 1.

The invention discloses a preparation method for sheet aluminium oxide. Aluminium hydroxide powder with a certain granularity is added into a surface active agent and water for grinding until being uniform, dried and fired, so as to obtain gamma- aluminium oxide; then seed crystal, a mineralizing agent and water are added into the gamma- aluminium oxide for mixing evenly, after continuous grinding, drying can be performed again, and through final burning, hexagonal sheet gamma- aluminium oxide with the granularity ranging from 20 to 100 mum is obtained.