106results about How to "Strong industrial applicability" patented technology

The invention discloses a method for preparing a carbon-coated MnO coaxial nanowire cathode material for lithium ion batteries. The method includes: using polyethylene glycol and potassium permanganate to prepare hydroxyl manganese oxide nanowires, heating the hydroxyl manganese oxide nanowires at 550-650 DEG C for 3-10h, naturally cooling to the room temperature to obtain porous manganese sesquioxide nanowires, feeding mixed gas of acetylene and argon or nitrogen to the porous manganese sesquioxide nanowires at 500-600 DEG C, and cooling to obtain the carbon-coated MnO coaxial nanowire cathode material for lithium ion batteries. The carbon-coated MnO coaxial nanowire cathode material for lithium ion batteries is uniform in carbon layer thickness, stable in structure, simple in preparation method and high in industrial applicability, cycling stability, specific capacity and magnification performance of the cathode material for the lithium ion batteries can be improved, and accordingly energy density and power density are improved.

The invention discloses a phosphate microcapsule flame retardant and a preparation method and application thereof. A phosphate flame retardant is adopted as a core material of the phosphate microcapsule flame retardant. A capsule material is a polyphosphazene dendritic polymer obtained through reaction of one or more of phosphonitrile and a coupling agent. The mass ratio of the capsule material to the core material is 0.1:1-1:1. According to the preparation method, a dispersing agent is utilized for uniformly dispersing the phosphate flame retardant into solvent; then one or more of phosphonitrile and the coupling agent are added under a mechanical stirring state and under an ultrasonic state, an acid-binding agent is added, the mechanical stirring reaction is carried out for 2-10 h, and a product is cooled to room temperature, filtered in a vacuum mode, and dried in a vacuum mode to obtain the phosphate microcapsule flame retardant. The phosphate microcapsule flame retardant is provided with a non-polar surface, and interfacial compatibility of the flame retardant in a non-polar polymer matrix can be improved; meanwhile, a certain toughening effect is achieved; the particle size of microcapsules is controllable, flame retardant performance and a mechanical property of a composite material can be improved, the whole technology process is convenient and controllable, and industrial applicability is high.

The invention relates to bulk amorphous alloys of Zr-Cu-Al-Be series with an extra-wide supercooling liquid phase region. The series of alloys take Zr52Cu40Al8 as basic ingredients, and take the metallic element Be with the minimum atomic radius as the alloying element. The composition of the series of alloy is determined through the following formula: (Zr52Cu40Al8)xBey, wherein x is the molar content of Zr52Cu40Al8, y is the molar content of Be, 80<=x<=100, 0<=y<=20, and x+y=100. The series of alloys can generate bulk amorphous alloys with the critical dimension not less than 3mm, the maximum supercooling liquid phase region reaching 123K and with excellent thermal stability. The series of alloys integrate better glass-forming ability and extra-wide supercooling liquid phase region, and can be widely used in the fields of precise parts, microelectronic components and the like.

Methyl chloride and hydrogen fluoride are reacted in a gas phase in the presence of a fluorination catalyst and the resulting mixture, containing fluoromethane and hydrogen chloride, is fed to a distillation column for separation and purification of the fluoromethane and hydrogen chloride as the overhead fraction. It is thus possible to efficiently produce high purity HFC-41 which is suitable for use as a semiconductor etching gas.

The invention relates to soybean protein isolate powder as well as a preparation method and use thereof. The preparation method comprises the following steps: mixing low-temperature degreased bean pulp with water, carrying out shearing, adding phytase and polyphenol oxidase for reaction, carrying out solid-liquid separation, shearing obtained bean dregs, adding water for extraction, carrying out solid-liquid separation, and combining an obtained water extracted bean emulsion with soybean milk extracting liquid, so as to obtain mixed soybean milk; regulating the pH value of the mixed soybean milk to settle soybean protein, and carrying out solid-liquid separation, so as to obtain a fixed phase, namely the soybean acid settled milk protein; preparing protein liquid from the soybean acid settled milk protein, regulating the pH value to 2.5-3.5, adding acid proteinase for enzymolysis, and carrying out solid-liquid separation, so as to obtain protein liquid; and concentrating the protein liquid, and carrying out spray drying on the obtained soybean acid protein fluid, so as to obtain the soybean protein isolate powder. A solution obtained by adding the soybean protein isolate powder into an acidic beverage has relatively good appearance transparency and extremely good storage stability.

The invention relates to a screened film and a preparation method thereof. The screened film structurally comprises an insulating layer, a conductive shielding layer and an adhesive layer. The preparation method of the screened film comprises that (A) a base material and the conductive shielding layer are connected and the form recesses; (B) the insulating layer is formed at the surface of the conductive shielding layer and filled into the recesses; (C) a carrier film is formed at the surface of the insulating layer; (D) the base material is removed; and (E) the surface of the conductive shielding layer is provided with the adhesive layer, and a metal grounding electrode is exposed to form a distribution pattern. According to the structure and preparation method of the screened film, the screened film is good in grounding effect and high in adhesion intensity, the electromagnetic shielding effect is indirectly improved, and the preparation method is characterized by reducing the cost and simplifying the process.

The invention provides a silicon-based avalanche photodiode applied to single photon detection in quantum information. The silicon-based avalanche photodiode comprises an SOI substrate and a PIN structure formed on the SOI substrate. A periodic Pyramid or inverted Pyramid shaped nanostructure is formed at the outermost layer of the PIN structure as an entrance window, wherein monocrystalline silicon is employed by the nanostructure as the main body material of a Pyramid basic unit. By using the avalanche photodiode structure of the invention, the preparation of the avalanche photodiode can be carried out by using an existing silicon-based preparation process, the layer structure of the diode is simplified, while the improved time resolution ability can be provided, good detection efficiency is provided, and the avalanche photodiode is suitable for industrialized production with a large scale and a high rate of finished products.

The invention provides a method for synthesizing crocin glucoside, which comprises the following steps: a, synthesizing a C10 compound, namely 2,7-dimethyl-2,4,6-octatriene-1,8-dial (compound II); b, synthesizing a C5 compound, namely E-2-methyl-4-bromo-2- methyl crotonate; c, synthesizing crocetin dimethyl ester by taking the two compounds as raw materials; d, performing hydrolysis reaction on the crocetin dimethyl ester to obtain crocetin; and e, reacting the crocetin and 1,1'-carbonylbis-1h-imidazo to synthesize crocetin imidazole and further synthesize the crocin glucoside. The synthesizing process has the advantages in aspects of operation simplification and yield, and has high synthetic impurity, high yield, cost saving and strong industrial applicability.

The invention provides a stable secukinumab injection. The secukinumab injection comprises the following components: 50 mg/ml-250 mg/ml of secukinumab, 5-50 mmol/L of histidine and histidine hydrochloride, 5-40 mmol/L of methionine, 150 mmol/L-370 mmol/L of lower sugar alcohol, 0.01%-0.02% of polysorbate 80 and the balance of water for injection, wherein the pH of the secukinumab injection rangesfrom 5.0 to 7.0. Stability tests prove that the stable secukinumab injection is stable in quality, the stability is superior to that of commercial varieties on the market, and all indexes conform to relevant regulations of Chinese pharmacopoeia, so that the stable secukinumab injection has good application prospects.

The invention discloses a method for manufacturing a semiconductor structure. The method comprises the following steps of: providing a p-type field effect transistor, wherein the transistor comprises a grid on a substrate; forming a tensile stress layer on the transistor; patterning the tensile stress layer, so that a pressure stress is generated in the channel of the transistor; and annealing to memorize the pressure stress in the channel of the transistor and fulfill the purpose of enhancing the performance of the transistor. According to the method, the pressure stress in the channel of the transistor is memorized by using a stress memory technology, so that the mobility of holes is improved and the integral performance of the semiconductor structure is improved.

The invention discloses a preparation method of a TiAlSi/TiAlSiN multilayer alternating coating with high abrasion resistance, and relates to a preparation method of a TiAlSiN coating. The technical problem of poor abrasion resistance of existing TiAlSiN coating is solved. The preparation method of the TiAlSi/TiAlSiN multilayer alternating coating adopts a TiAlSi alloy cathode target, coating compositions are changed by changing introduced nitrogen gas, thus, the multilayer alternating coating is prepared, and the coating industry applicability is improved. Due to the low hardness of TiAlSi alloy and the high hardness of a TiAlSiN coating, the soft and hard alternating coating prepared through the method can relieve the coating stress, the plastic toughness of the coating is improved, theabrasion resistance of the coating is improved, and the method has great significance for prolonging the service life of the tool coating.

The invention discloses a mutant of CE (cellobiose 2-epimerase) and an application of the mutant, and belongs to the technical field of enzyme engineering. The CE derived from thermophilic anaerobic bacteria Dictyoglomusthermophilum is subjected to directed evolution, the obtained mutant can still have the performance of converting lactose into lactulose, the enzyme activity and the substrate conversion rate are remarkably increased, and under the condition of the same enzyme adding amount, the lactulose conversion rate can reach 58.2% at most and is increased by 35.35% compared with that of a wild type lactulose mutant. Good industrial application performance is realized.