149results about How to "Suitable for large-scale application" patented technology

The invention discloses a silane crosslinked polyethylene insulating material for a heating cable and a preparation method and application thereof. The insulating material is formed by mixing a silanegrafting material and crosslinking catalyst masterbatch, the silane grafting material comprises a crosslinking catalyst, a second lubricant and a second oxidant, polyolefin resin is composed of firsthigh-density polyethylene, double-peak polyethylene and polyethylene, and the crosslinking catalyst masterbatch comprises second high-density polyethylene and linear low-density polyethylene. The preparation method includes: respectively preparing the silane grafting material and the crosslinking catalyst masterbatch, and proportionally packaging to obtain the insulating material. The applicationrefers to application of the insulating material in producing the heating cable. The insulating material can be used for a long time at 125 DEG C while maintaining excellent physical and mechanical performance and is safe, environment-friendly and low in cost.

The invention discloses a method for eliminating impurity influence of an all-vanadium redox flow battery electrolyte. The method comprises the steps of adding a complexing agent into the electrolyte, and fully stirring the electrolyte, wherein the complexing agent is phosphoric acid, inorganic phosphate, hydramine, amino carboxylate, hydroxy carboxylate or organic phosphate. By the method, the steps of impurity elimination during the preparation process of the electrolyte is omitted or reduced, the operation process is simple, the product is rich in raw material, complicated impurity elimination equipment is not needed to be matched, the impurity elimination cost is low, and the method is suitable for application on a large scale; by a mode of adding the complexing agent, impurity metal ions form a complexity body, a reaction electrical pair shifts out of a reaction potential section of an active substance of the all-vanadium redox flow battery electrolyte, the hydrogen evolution promotion effect of the metal ions is eliminated, the hydrogen evolution quantity of the redox flow battery is reduced, the capacity attenuation is reduced, and the lifetime of the redox flow battery is prolonged; and impurity ions introduced during the construction, running and maintenance process of the redox flow battery can be rapidly eliminated, and the method is simple and convenient and is suitable for promotion and application.

The invention provides a composite catalyst as well as a preparation method and application thereof, and the preparation method comprises the following steps: loading a metal oxide and a doped nitrogen element on a carbon-based material to obtain the composite catalyst, wherein a nitrogen-doped nitrogen-containing precursor is ammonia gas and/or inorganic ammonium salt. According to the composite catalyst, more catalytic active sites are constructed by loading the metal oxide and doping the nitrogen element, and the metal oxide is partially reduced in the nitrogen doping process to form oxygen vacancy, so that the composite catalyst has higher catalytic activity and stability, ozone oxidation is efficiently catalyzed, and the catalytic activity of the composite catalyst is improved. And the efficiency of producing hydroxyl radicals through catalytic ozonolysis is improved. The composite catalyst is simple in preparation method, low in cost, suitable for large-scale application, high in efficiency in catalytic ozonation treatment of wastewater, stable and long in service life, can mineralize organic matters in the wastewater into carbon dioxide and water in a non-selective manner, and has a wide application prospect.

The invention relates to a preparation technique of gradient diffusion impervious layer used for deep submicron integrated circuit Cu interconnection, belonging to the technical field of semiconductor integrated circuit manufacture. In the technique, radio frequency magnetic control sputtering coating equipment is adopted to deposit a layer of amorphous TaN on a monocrystal Si substrate, followed by depositing a TaN gradient layer, the content of N in the gradient coating is adjusted by reducing flow of reactant gas N2 gradually, so that the content of N in the prepared impervious layer decreases progressively from inside to outside; after finishing depositing TaN gradient layer in situ, a metal Ta layer is deposited to obtain the double-layer gradient diffusion impervious layer used for deep submicron integrated circuit Cu interconnection. The resistivity can be as low as 112 mu Omega cm, and the thermostabilization temperature can be over 700 DEG C. The preparation technique has the characteristics of simple operation and convenient promotion; the obtained impervious layer material can improve RC delay of interconnected circuits, and enhance the operation speed and stability of semiconductor elements.

The invention relates to a treatment method for inducing maize parthenogenesis with colchicine. The method is characterized in that when female ear filaments are completely exposed, a paper bag is removed; the upper-portion of a flower bud is cut transversely from a female ear flower bud at a place from the top and close to the female ear young ear downward; a part of filaments is cut at the section with a curved graver, such that a cavity with a depth of 5-15mm is formed; an inducing agent which is colchicine treatment liquid is injected into the cavity with a pipette or a syringe, such that the cavity is filled with the liquid and the entire cut surface is wetted by the liquid; and the female ear is sleeved with the paper bag. During the treatment process, no pollen contamination prevention measure such as sealing, blocking, spatial and temporal isolation, and the like is needed. The method has the following advantages: harm to human health caused by treatment liquid dropping, spilling and scratching are avoided; a hard-to-solve pollen contamination problem is thoroughly solved; all filaments can contact the treatment liquid, and treatment liquid retention time is long, such that an induction rate is improved; the treatment liquid is saved by approximately 50%; and compared to a conventional inbred line breeding method, a breeding period is shortened by more than 5 generations.

The invention provides an ultrahigh-strength high-toughness high-conductivity copper-nickel-tin alloy which contains nickel, tine, yttrium, niobium, scandium and cerium elements. The total mass of theyttrium, niobium, scandium and cerium elements is less than or equal to 0.5 percent of the mass of the copper-nickel-tin alloy. The copper-nickel-tin alloy has high strength, toughness and conductivity, and is wide in application range. The invention further provides a preparation method of the copper-nickel-tin alloy. The preparation method of the copper-nickel-tin alloy concretely comprises thesteps of preparing materials according to the mass percent of element compositions, and adopting a gas atomization method for preparing to obtain alloy powder; adopting hot isostatic pressure sintering on the alloy powder to obtain a copper-nickel-tin alloy ingot blank; and carrying out solution treatment and warm deformation strengthening treatment on the copper-nickel-tin alloy ingot blank so as to obtain the ultrahigh-strength high-toughness high-conductivity copper-nickel-tin alloy. According to the preparation method, multiple compound factor strengthening and toughening copper alloys are implemented and utilized, and the obtained copper-nickel-tin alloy has the characteristics of refined crystalline strengthening, strain strengthening, dispersion strengthening and precipitation hardening at the same time so as to obtain high strength, toughness and conductivity.

The invention discloses a mono-aryl thioether compound: 2-((substituted thiophenyl) benzyl)-3-hydroxy-5,5-dimethylcyclohexyl-2-ketene. According to the compound, a benzyl side chain of the compound has 3-hydroxy-5,5-dimethylcyclohexyl-2-ketene, so that the compound has antifungal activity and can be used for preparing antifungal pharmaceutical preparations. The invention also discloses a preparation method of the mono-aryl thioether compound, and the preparation method comprises the following steps of taking aromatic aldehyde, thiophenol or substituted thiophenol and 5,5-dimethyl-1,3-cyclohexanedione, and performing heating reaction under the catalysis of catalysts including silica gel sulfuric acid and the like to generate a target product. The catalysts used in the preparation method disclosed by the invention are low in cost, the reaction conditions are mild, the operation is simple, and the problems of the existing thioether preparation method are solved, so that the mono-aryl thioether compound is suitable for large-scale application.

The invention discloses a method for modifying cigarette style by utilizing waste tobacco shreds. The method comprises the steps of: concentrating, distilling and re-concentrating waste tobacco shreds generated in an I-class cigarette processing process to obtain endogenous spice; and then adding the spice to tobacco leaves at a ratio of 0.3-0.6% in a middle-low-grade cigarette charging working procedure, and storing leaves and carrying out subsequent processing according a routine process. By adopting the technology, the utilization rate of high quality tobacco leaves resource is improved, wastes are changed into valuables, the potential applications of waste raw materials are excavated, and the traditional cigarette processing process is not needed to be changed; and the method is suitable for scale application, is simple in operation process and has excellent application prospects.

The invention discloses a Chinese wolfberry polysaccharide protein removal method based on cloud point extraction, relating to the technical field of bioengineering. The method comprises the following basic steps: adding a prepared temperature-sensitive block copolymer polyethylene oxide-polypropylene oxide-polyethylene oxide (EOPOEO) solution, mixing with a Chinese wolfberry crude polysaccharide water solution, and carrying out liquid-liquid-phase separation on the system under the induction of temperature, wherein the impurity proteins in the Chinese wolfberry polysaccharide are successfully removed under the action of the polymer phase; after the phase separation, mixing the upper phase of the system with ethanol, and precipitating to obtain a polysaccharide finished product; and meanwhile, cooling the lower phase with enriched temperature-sensitive polymer to precipitate most proteins, and carrying out comprehensive operation (comprising the steps of pH value regulation, electrolyte addition, heating and the like) to form a secondary cloud point extraction system, thereby successfully recovering the temperature-sensitive polymer in the lower phase. The invention provides a separation purification method of Chinese wolfberry pure polysaccharide, which has the advantages of simpler technical process, low cost and environment friendliness.

The invention provides a chemical induction corn parthenogenesis operation method. The chemical induction corn parthenogenesis operation method is characterized by comprising strictly bagging female ears before filaments are protruded, dropping off paper bags in 4-5 days after the filaments of the female ears are protruded, pinching the filaments under bract isolation conditions by the aid of improved long-nose pliers, pulling out the filaments by hands and reserving a hole after each filament is pulled out; injecting preferably 2-5 ml of inductive agents into each hole by the aid of a syringe; sleeving the female ears with the paper bags to complete treatment procedures. The chemical induction corn parthenogenesis operation method has the advantages that the problems in the aspect of safe use of poisonous reagents can be solved, the problem of existing pollen pollution can be thoroughly solved, and operation procedures are carried out under completely open conditions; good chemical application effects can be realized, operation can be carried out in all seasons, and the chemical induction corn parthenogenesis operation method is easy to implement, high in treatment speed and suitable for large-scale application.

The invention relates to an L-amlodipine maleate compound, and a preparation method and a medicinal preparation thereof, and belongs to the technical field of medicines. Element analysis, water analysis and thermogravimetric analysis (TGA) detection of the L-amlodipine maleate compound prepared in the invention determines that the molecular formula of the L-amlodipine maleate compound is C20H25ClN2O5.C4H4O4.0.5H2O. Compared with products in the market, the compound has better stability to light, temperature and humidity, is more suitable for preparing various forms of medicinal preparations, such as an L-amlodipine maleate tablet and an L-amlodipine maleate dispersible tablet, as a raw medicine.

The invention discloses a planting method of sugarcane, comprising the steps of land selecting and base fertilizer applying, seed selecting and soaking, planting, fertilizer applying and weeding, lighting, harvesting and finishing. The planting method avoids pollution from raw material selection and techniques, is safe, confirms to the growth law of the sugarcane, can meet requirements of the sugarcane on various nutritive substances, can avoid resource waste and land damage which are caused by excessive fertilizer using amount, and is green and environmentally friendly; meanwhile, a traditional Chinese medicine extracting solution and a seed soaking mixed solution are used for soaking seeds, and are more easy to degrade in comparison with traditional chemical, the quality and yield of the sugarcane are improved, and the planting method is suitable for large-scale application.

The invention provides a method for treating adeno-associated viruses and a kit. The method comprises the following steps: contacting the adeno-associated viruses with adeno-associated virus receptorsconnected with lag proteins so as to obtain an adeno-associated virus-adeno-associated virus receptor-label protein complex; and contacting the adeno-associated virus-adeno-associated virus receptor-label protein complex with a binding protein, thereby obtaining the adeno-associated virus-adeno-associated virus receptor-label protein-binding protein complex, wherein the binding protein is capableof being specifically bound to the lag protein. Therefore, by utilizing the method for treating adeno-associated viruses disclosed by the invention, the aims of performing separation, purification, identification, titer detection and the like on the adeno-associated viruses can be achieved, and the method disclosed by the invention has the advantages of being simple and convenient to operate, high in accuracy, excellent in repeatability, low in cost and the like and is applicable to large-scale application.

The invention discloses a planting method improving sugarcane production. The method comprises trench digging, seed selection and soaking, planting, fertilizing and weed removing and pest prevention, cutting, lighting, and harvesting. The method selects planting materials and techniques which are safe without pollution. The method accords with the growth rules of sugarcanes, satisfies the needs for various nutrients of sugarcane growth, avoids resource waste and damage to land caused by excessive use of fertilizer, and thus is environment-friendly. Meanwhile, a sugarcane seed soaking agent is used for soaking seeds. The sugarcane seed soaking agent can be degraded more easily than conventional organic chemical agents, improves the survival rate of sugarcanes, further improves the quality and production of sugarcanes, and thus is suitable for large scale application.

The invention discloses a method for planting sugarcane. The method includes the steps of planting field selection and base fertilizer selection, seed selection and soaking, planting, fertilizer applying and weeding, pruning and harvesting. According to the method, the planting material selection and the technological method are safe and free of pollution, and at the same time, accord with the growth rule of the sugarcane, the requirement of the sugarcane growth for various nutrients is met, resource waste and land destruction which are caused by the excessive use of fertilizers are avoided, and the method is environmentally friendly, improves the quality and yield of the sugarcane, and is suitable for scale application.

The invention relates to a method for promoting residual sludge to be anaerobically fermented to produce acid by utilizing tea saponin. The existing chemical surface active agent is poor for improving the anaerobic acid production effect of the residual sludge, the chemical surface active agent is poor in biological degradation property and easy for causing the secondary pollution, and the cost of the biological surface active agent synthesized through the microbial metabolism is high. The tea saponin is a plant extract, the effect on promoting the anaerobic fermentation and acid production of the residual sludge is remarkable, the acid yield is high, the secondary pollution on the environment is avoided, the raw material is widely sourced, the cost is low, and the large-scale application in the anaerobic fermentation acid production process of the residual sludge can be realized.

The invention provides a microorganism, a microbial agent containing the microorganism, as well as a preparation method and application thereof. The microorganism is bacillus siamensis which is preserved in China General Microbiological Culture Collection Center, under the preservation number of CGMCC No. 18688, from October 15, 2019 on. The microorganism provided by the invention has relatively good ability to decompose cellulose, and can be effectively applied in straw composting so as to obviously accelerate temperature rise rate in an early stage of composting, raise fermentation temperature, increase straw weight loss rate after the composting, decrease C/N content and achieve high compost maturity; and thus, the microorganism is suitable for large-scale application.

The invention relates to first-class purpurin ion monomers and a preparation method and application thereof. The structural formula of each purpurin ion monomer is shown in the description, and the purpurin ion monomers are prepared by carrying out a Zincke reaction on a purpurin-based Zincke salt VL-Br and a para-aniline substituted by an R functional group in an organic solvent. According to thedemands of practical application, different kinds of the purpurin ion monomers with specific substitutional functional groups can be designed and prepared. The preparation method has the advantages that the required reaction conditions are mild, the reaction time is short, applied equipment is simple, and the preparation method is suitable for large-scale application. The purpurin ion monomers can be used for preparing purpurin-based porous ionic polymer materials, and the type of multifunctional purpurin ionic monomers is diversified.