186results about How to "Accelerate the process of industrialization" patented technology

The invention discloses a composite leavening agent combining xylanase with multiple strains and a method for fermenting a straw feed. The leavening agent consists of the following components in part by weight: 4 parts of xylanase, 2 parts of lactobacillus acidophilus, 2 parts of propionibacterium, 2 parts of saccharomyces cerevisiae, 3 parts of bacillus subtilis, 1 part of lactobacillus plantarum and 1 part of bacillus coagulans, wherein the xylanase can quickly degrade cell walls of straw plants and release nutrient substances; and under the synergistic effects of a plurality of microorganisms, fermentation speed is increased, fermentation period is shortened, fermentation activity is enhanced, protein conversion rate is increased and fermentation cost is lowered. The prepared fermented straw feed has low cellulose content, high protein content, high viable count, long retention period, soft and wet feel, strong acid incense, high palatability and high nutritional value. The problem of low resource utilization ratio of crops such as straws and the like is solved; simultaneously, environmental pollution is reduced; and the leavening agent and the method have high economic benefit and social benefit.

The invention discloses a trichoderma viride W2 capable of producing a thermophilic ethanol-resistant beta-glucosidase and an application thereof. The trichoderma viride W2 is preserved in the China General Microbiological Culture Collection Center (CGMCC) on August 23, 2010, and the preservation number of the trichoderma viride W2 is CGMCC No.4098. The trichoderma viride W2 can produce a new beta-glucosidase, the enzymatic activity of the new beta-glucosidase reaches 346.7U/mL, the optimal reaction pH value is 4.8, the optimal reaction temperature is 70 DEG C, and the new beta-glucosidase is suitable for pyrohydrolysis and has an obvious glucose feedback inhibition effect. The ethanol the concentration of which is 10% has a maximal effect on promoting the enzymatic activity and improves the enzymatic activity of the beta-glucosidase by 1.6 times, and the resistant ability of the ethanol reaches 30%, so that the cellobiose inhibition can be effectively eliminated, the yield of the ethanol is improved by nearly 3 times, and the terminal product inhibition is effectively eliminated. Thus, the beta-glucosidase can be used for simultaneous saccharification and fermentation of lignocellulose raw materials, has a rare promoting effect in China, effectively increases the yield of the cellulosic ethanol, lowers the production cost, and accelerates the industrialized progress of the cellulosic ethanol.

The invention discloses a manufacturing method of a low-temperature non-gold ohmic contact of a GaN-based high-electronic-mobility transistor. The manufacturing method comprises the steps that an epitaxial wafer of the GaN-based high-electronic-mobility transistor is coated with optical resist and an ohmic contact pattern is formed through photo-etching; a potential barrier layer of the GaN-based HEMT is etched and thinned from a hole area of the ohmic contact pattern through a low-damage etching technology; wet-method surface processing is conducted on an etched area and multiple layers of non-gold ohmic metal are deposited on the processed epitaxial wafer; the optical resist on the surface of the epitaxial wafer of the GaN-based HEMT and the multiple layers of non-gold ohmic metal deposited on the optical resist are stripped; the low-temperature non-gold ohmic contact is formed through annealing. By means of the manufacturing method, the technology temperature of the GaN-based HEMT is lowered, the technical bottleneck of GaN-based HEMT and Si-CMOS technology compatibility is broken through, the manufacturing cost of the GaN-based HEMT can be lowered easily and the industrialization process of GaN-based power electronic devices is quickened.

The invention discloses an aspergillus oryzae bacterial strain for producing feed compound enzyme with high yield and application of the aspergillus oryzae bacterial strain, and belongs to the technical field of biological fermentation. The bacterial strain for fermentation is specifically aspergillus oryzae DJ36, and is collected in the China General Microbiological Culture Collection Center with a collection number of CGMCC NO.13575. A polypeptide feed preparing process is implemented through a liquid fermentation technology in conjunction with an enzymatic hydrolysis technology, and specifically comprises the following steps: preparing a monospore bacterial suspension of the aspergillus oryzae; preparing a liquid bacterial strain; performing liquid fermentation with a triangular flask or a fermentation tank; performing enzymatic hydrolysis on impure protein with fermentation liquid; drying, smashing, packaging and the like. A functional small-molecular polypeptide is generated efficiently under the coaction of aspergillus oryzae fermentation and enzymatic hydrolysis at the later stage of fermentation, the advantages of a microbial fermentation technology and the enzymatic hydrolysis technology are combined, the use of an enzyme preparation is greatly reduced, the production cost of the polypeptide is lowered, and the industrialization process of the polypeptide is accelerated; moreover, a prepared feed additive has a relatively high nutrient value and disease resistance, and a wide application prospect.

The invention discloses a degradable iron, zinc and magnesium-based gradient composite material based on biological bone healing. A zinc layer and an iron layer are sequentially arranged on the surface of a magnesium matrix, and the thickness or the diameter of the magnesium matrix is 30-90% of bone dimension in the repaired part. The thicknesses of the zinc and iron layers are respectively determined according to the corrosion rates of zinc and iron in an in vitro simulated body fluid. According to the composite material, rigid fixation in early stage is realized to promote bone healing, the composite material is gradually degraded, use of the material with lower rigidity is transited to dynamic fixation, and finally, the material is fully absorbed in vivo to prevent from being taken out in the second operation. Rapid degradation in the non-mechanical bearing later stage is realized, and growth by differentiation of bone cells and ingrowth of blood vessels on the surface of material are induced by hoping to combine the advantages that iron in higher rigidity in the early stage realizes rigid fixation and zinc in lower rigidity in the middle stage realizes dynamic fixation by means of quicker corrosion rate of magnesium. Finally, the composite material is fully absorbed, so as to realize the bone repairing purpose. The composite material disclosed by the invention is applicable to gradient structure designs of internal fixing materials after fracture with change demands on mechanical property with the passage of time.

The invention relates to an extract method of Chinese traditional medicinal compound rhizoma coptidis alexipharmic soup active part and an application of the active part in preparing medicament resisting vascular dementia. The extract method disclosed by the invention adopts industrialized separating and refining technologies, such as microporous membrane and macroporous resin absorption, greatly decreases cream yield of the preparation, maximally retains effective components, improves transforming rate of effective components in raw materials and purity of effective components in the preparation. The extracted active part comprises three kinds of known chemical components: alkaloids, flavonoid glycosides and iridoid glycosides respectively, and has a vascular dementia resisting function.

The invention relates to a novel graphene quantum dots (GQDs)-MnO2 composite catalyst and a preparation method thereof. MnO2 is combined with GQDs to prepare the GQDs-MnO2 composite catalyst for the first time by using the physical and chemical characteristics of MnO2 and GQDs. The GQDs-MnO2 composite catalyst is prepared by adopting a hydrothermal technology, and structure of the composite catalyst can be regulated through regulating the content of GQDs and MnO2 and the crystal form and the nanometer dimension of MnO2 in order to change the electrocatalytic performances. The preparation method concretely comprises the following steps: 1, preparing and processing MnO2; 2, carrying out hydrothermal compounding on GQDs and MnO2; and 3, post-processing. The preparation method of the GQDs-MnO2 composite catalyst has the advantages of simplicity, economy and good repeatability. The composite catalyst has high catalysis activity on an oxygen reduction reaction, has good stability, and is suitable for being used as a fuel cell cathode catalyst.

The invention provides a preparation method for a flexible substrate silicon-based thin film solar cell integrated inline component, relates to a solar cell integrated inline technology and belongs to the field of thin film solar cells in new energies. As the substrate has poor light transmittance and the cell is of an NIP structure, in the method provided by the invention, an inline mode is designed for the solar cell, the laser etching process is applied to the procedure of the silicon-based thin film solar cell preparation, a screen printing technology is combined and finally the silicon-based thin film solar cell integrated inline component is obtained. The method can is favorable for increasing the production, reducing the cost, accelerating the industrialization process of such batteries, improving the open-circuit voltage of large area cells, reducing the splicing complexity of the component and improving the reliability of the component.

The invention discloses a process method for pretreating cellulose by using ionic liquid to completely convert the cellulose into water-soluble sugar. The method comprises the following steps of: synthesizing phosphate ionic liquid by using N-methylimidazole and phosphate through a one-step method, dissolving at the temperature of 140 to 160 DEG C, and converting the cellulose into the water-soluble sugar; and separating the water-soluble sugar obtained by the experiment from the ionic liquid by an ethanol anti-solvent method so as to fulfill the aim of recycling the ionic liquid. Compared with the pretreatment process of the traditional physical method and acid-alkali method, the method has the advantages that the process of pretreating the cellulose by using the ionic liquid is environment-friendly, low in energy consumption and high in efficiency, and the cellulose is thoroughly treated; and compared with the previously reported process of pretreating the cellulose by using halogen ionic liquid, the method has the advantages that the phosphate ionic liquid is low in raw material price, toxicity and viscosity and high in heat stability, and a synthesis method is simple.

The invention relates to a preparation method of a Pt-PbOx/C catalyst. The catalyst comprises 1-50mass% of Pb and below 85mass% of Pt. The catalyst is obtained through the hydrolysis-modified ethylene glycol method, and the preparation method comprises the steps of preparation of PbOx colloid, and preparation of the Pt-PbOx/C catalyst. The Pt/Pb atom ratio of the surface of the catalyst is controlled by controlling the sequence of the supporting of the PbOx and Pt colloid to the surface of a support in the preparation process of the catalyst, and the catalyst has the advantages of high catalysis activity on a formic acid electrooxidation reaction, good stability, simple preparation process and amplified production realization, and is used as a formic acid electrochemical oxidation reaction catalyst.

The invention discloses a printed circuit board with a net as a substrate, which is named as a net substrate. The net substrate comprises a substrate net, an upper-layer conductive layer, and a middle bonding layer, wherein the substrate net is a metal wire net or a metal board punching net woven in a high density mode; a metal film or a thin printed circuit board or a flexible printed circuit board (FPC) is used for making a needed circuit graph for welding a connection element, places without wiring and without elements on the upper-layer conductive layer are removed, and places where pins of a mounted element or heat sinks need to be directly contacted with the substrate net are perforated; and the middle bonding layer is a prepreg or a high temperature-resisting adhesive, a vacuum thermal lamination process is adopted to laminate the substrate net and the upper-layer conductive layer as a whole, and the pins or the heat sinks, which need to be directly contacted with the substrate net, of the element can be directly welded or bonded by using a thermal conductive adhesive on the substrate net. The printed circuit board with the net as the substrate can be used in fields in need of air circulation and heat dissipation, and has the advantages of good heat dissipation effects, light weight, flexibility, and low cost.

The invention relates to a method for preparing an electric catalytic carbon membrane through dynamic electrochemical deposition and belongs to the technical field of membrane separation. The method for preparing the electric catalytic carbon membrane through dynamic electrochemical deposition comprises the following steps: in an electrochemical deposition system, by taking a carbon membrane as anelectric deposition electrode and a corresponding metal salt solution of a metal oxide to be deposited as an electric deposition liquid, enabling the electric deposition liquid to penetrate through the carbon membrane in the electric deposition process, and depositing the metal oxide on the surface and in pores inside the carbon membrane. By adopting the dynamic electrochemical deposition technique, the catalyst can be deposited on the surface and in pores of the carbon membrane, the method is simple in preparation process and low in cost, and the utilization efficiency of the catalyst and the electrochemical properties of the carbon membrane are effectively improved. Due to preparation and development of the electric catalytic carbon membrane, the coupling advantage of membrane separation and electric catalysis can be sufficiently brought into play, the treatment capability of refractory wastewater can be improved, and the industrial progress of the technique can be accelerated.

The invention relates to an oriented multi-channel carbonized wood interlayer and a preparation method and an application thereof. The preparation method comprises the steps of cutting a birch trunk at different angles, immersing the birch trunk in a mixture of NaOH and Na2SO3 for hydrothermal reaction, cleaning, freeze-drying, pre-oxidizing, carbonizing and cutting. The carbonized wood interlayerhas stable electrochemical properties of carbon materials, can stably exist directly in a Li-S battery, also can improve the cycling stability of the Li-S battery, integrally improves the working efficiency of the Li-S battery, and has important scientific value and wide application prospect in the wearable field. The method is simple and easy to implement, environment-friendly, pollution-free, suitable for industrial production, and low in cost.

The invention discloses a cotton verticillium wilt resistance major QTL (Quantitative Trait Locus) and a linked molecular marker. A highly cotton verticillium wilt resistance major QTL is located on a cotton D11 chromosome, and the major QTL explains 13.23-13.25% of phenotypic variation. Six SSR (Signal Sequence Receptor) markers are closely interlocked, and the SSR markers comprise SSR/NAU6593, SSR/NAU6697, SSR/NAU6675, SSR/NAU6520, SSR/NAU6530 and SSR/NAU6431. The cotton verticillium wilt resistance major QTL and the linked marker provided by the invention can be applied to screening or apprasing verticillium wilt resistant cotton varieties; furthermore, the defects that an existing breeding technology for appraising verticillium wilt resistance is high in appraisal cost, long in time, low in stability and the like, therefore new variety culture and industrial process of the new highly verticillium wilt resistance cotton varieties can be greatly accelerated.

The invention belongs to the new energy field and relates to the solar cell technical field. Specifically, the invention relates to an electronic transmission layer for an inverted polymer solar cell and an application thereof. The electronic transmission layer preparing method comprises the following steps of (1) preparing an AZO precursor solution; (2) and preparing an AZO film. The AZO film is prepared in the following steps that the precursor solution is dropped on an ITO glass substrate for spin coating; the ITO glass substrate carrying the precursor solution is placed and heated on a hot plate with a temperature ranging from 100 DEG C to 200 DEG C for 5-10 minutes for pre-annealing; then the temperature of the hot plate is adjusted to 240 DEG C to 300 DEG C for post-annealing for 5-30 minutes; after the annealing process is finished, the AZO film is acquired. After being cooled, the AZO film is placed in a glass dish containing an ethyl alcohol solution. Ultrasonic processing is performed on the AZO film for 3-10 minutes. Then deionized water is used for flushing the film which is further dried by nitrogen. An electronic transmission layer for the inverted polymer solar cell is thus acquired.

The invention provides quantum dots and a preparation method thereof. The preparation method comprises the following steps: (1) mixing a body material, a grinding aid material and a ball milling ball,and carrying out ball milling to obtain a crude product; and (2) mixing the crude product obtained in the step (1) with a solvent to obtain a mixed solution, and carrying out ultrasonic treatment onthe mixed solution to obtain the quantum dots. The preparation method is a top-down preparation strategy, a macro-scale body material is used as a raw material, the body material is effectively crushed through the synergistic combination of two physical methods of ball milling and ultrasonic treatment, and finally, the nano-scale quantum dots with uniform particle size are obtained. The preparation method has the advantages of being efficient, environmentally friendly, easy to operate, low in cost and the like, is suitable for large-scale production and has good application prospects, the prepared quantum dots are high in purity, good in dispersity, high in yield, uniform in particle size and controllable in size, and the preparation method has important guiding significance in achieving industrial application and accelerating the industrial process of the quantum dots.

The invention discloses a device and a method for combined removal of sulphur dioxide (SO2), nitrogen oxide (NOX) and mercury from fume. In the device, a nitrogen dioxide (NO2) generation device is added between a dust remover and a wet desulphurization tower in a wet desulphurization system. The method comprises the following steps of: adding 9 percent of NO2 gas into the fume which is subjected to dust removal by the dust remover by using the NO2 generation device; adjusting the content of NO2 in the fume to 50 percent of the total amount of the NOX; controlling the pH value of a circulating solution in an absorption tower to 5.5 to 6.3; absorbing and oxidizing the SO2 and the NOX in the fume by a reaction tower to obtain a mixed solution of ammonium sulphate and ammonium nitrate; carrying out operation on the mixed solution in an ammonium sulphate and ammonium nitrate recovery system to generate a fertilizer which can be used for agricultural production, wherein desulphurization efficiency is over 95 percent and denitration efficiency is over 80 percent; and after adding the NO2 into the fume, oxidizing a certain amount of mercury oxide (Hg<O>) as Hg<2+>, absorbing the Hg<2+> by a water solution of the system, and removing from the fume, wherein the removal efficiency of the Hg<O> can be increased by over 50 percent.

The invention provides a preparation method of 2,4-disubstituted benzenesulfonyl chloride. A solvent-free reaction is adopted, through accurate control of low-temperature stepwise reactions and introduction of a specific inorganic salt aid, the strong positioning effect, the steric hinerance effect and the like of superposition of two substituent groups in the meta-position are amplified to facilitate the positive effect of a main reaction, and production of byproducts such as various sulphone isomers, multiple sulfonated bodies, macromolecular conjugates and the like is significantly inhibited. Through combined use of small quantities of specific chlorination aids and chlorosulfonic acid, the conversion process of an acyl chloride structure is promoted, excessive use of inorganic chlorideis avoided, and the use amount of chlorosulfonic acid and the production of waste acid are both greatly reduced. With the adoption of the method, the total yields of various substrates are 85% or above, the product purity is 95% or above, the difficulty in separation and purification is reduced, the problems of severe side reactions, low product yield, poor quality and the like in existing methods and technologies are solved, and energy conservation and emission reduction are realized.

The invention discloses a cultivating method of a polled alpine merino strain. Australia merino fine-wool rams and polled Gansu alpine fine-wool breeding ewes form a basic group, by means of hybridize and transverse fixup, the polled alpine merino strain is obtained. The polled alpine merino strain cultivated by the method has the advantages of big size, good wool quality, rapid growth, high feed efficiency and the like, and is adaptable to pasturing, captive breeding and stall-feeding and fattening in a farming-pastoral region in the Hexi Corridor in Gansu and in an alpine region on Qilian mountain; ewe feeding cost is reduced, economic benefit of cultivating fine-wool sheep is increased, and the process of fine-wool sheep industrialization is accelerated.

A restrictive amplification process for preparing target gene fragment immobilized on DNA microchip includes such steps as using restrictive endonuclease to digest DNA or cDNA designing linker to link said enzyme severed fragment, designing universal primer and selective primer for PCR amplification in different groups, separating and purifying, secondary PCR amplification, purifying, and suspending in solution.