180results about How to "High synthesis rate" patented technology

This specification discloses an AV system with the skin care and health care functions. An AV system and a pulse current generator are integrated. A conductor transmits a pulse current output from the pulse current generator to a human body. The pulse current cures or alleviates the user in pain, melancholy, anxiety, and insomnia, accelerates the recovery of wound or bone, and reduces the side effects of radiotherapy and chemotherapy.

The invention discloses a method for rapidly synthesizing aluminum phosphate salt polymeric compound. The method is characterized in that the mixture of phosphoric acid and aluminum hydroxide reacts and the mixture is synthesized under microwave condition. The method comprises the following steps: the phosphoric acid and the aluminum hydroxide are added with water to be mixed and stirred uniformly according to mol ratio; the mixture after being stirred uniformly is put into a microwave oven, and the defrosting and heating mode is selected to radiate the mixture; 750 W is selected to heat the mixture; white aluminum tripolyphosphate powder is gotten through hydrating, drying and grinding. The aluminum tripolyphosphate powder product is put into the microwave oven again to be radiated with 900 W power, and aluminum metaphosphate powder is gotten. The method integrates the reaction and polymerization of the prior art, reduces the composition time, saves the energy and the equipment, and improves the production efficiency. Because of the penetrating action of the microwave, the composition is not limited by the material quantity, and the synthetic ratio of the aluminum tripolyphosphate and the aluminum metaphosphate is improved. Related equipment can be adopted during the industrial production to realize continuous scale production.

There are provided an image generating apparatus and an image generating method, which are capable of generating an image with only a noise portion reliably deleted. A reduced image is generated by reducing the multi-valued image, smoothing processing is executed on the reduced image, an edge image is generated from the reduced image, edge angle information concerning edge angles is generated in pixel units from the edge image, a synthesizing rate of the multi-valued image and the smoothed reduced image is calculated in pixel units of the reduced image based upon the edge angle information. An enlarged image is generated by enlarging the smoothed reduced image to an identical scale, the synthesizing rate calculated in pixel units of the reduced image is converted into a synthesizing rate in pixel units of the enlarged image, and the multi-valued image and the enlarged image are synthesized based upon the converted synthesizing rate.

Administering an amino acid-containing composition, containing the following amino acids (1)-(9), wherein

• • the molar content ratio of each amino acid to the total content of the amino acids (1)-(9) falls within the following numerical ranges:
  • (1) leucine 35-66%;
  • (2) isoleucine 5.0-15%;
  • (3) valine 5.0-15%;
  • (4) threonine 7.0-14%;
  • (5) lysine 8.0-16%;
  • (6) methionine 2.0-10%;
  • (7) histidine 0.1-3.5%;
  • (8) phenylalanine 2.5-8.0%; and
  • (9) tryptophan 0.1-2.0%,

is effective for enhancing recovery from muscle fatigue.

Charged nutritive proteins are provided. In some embodiments the nutritive proteins an aqueous solubility of at least 12.5 g/L at pH 7. In some embodiments the nutritive proteins an aqueous solubility of at least 50 g/L at pH 7. In some embodiments the nutritive proteins an aqueous solubility of at least 100 g/L at pH 7. In some embodiments the nutritive proteins comprise at least one of a level of a) a ratio of branch chain amino acid residues to total amino acid residues present in the nutritive protein equal to or greater than the ratio of branch chain amino acid residues to total amino acid residues present in a benchmark protein; b) a ratio of leucine residues to total amino acid residues present in the nutritive protein equal to or greater than the ratio of leucine residues to total amino acid residues present in a benchmark protein; and c) a ratio of essential amino acid residues to total amino acid residues present in the nutritive protein equal to or greater than the ratio of essential amino acid residues to total amino acid residues present in a benchmark protein. Also provided are nucleic acids encoding the proteins, recombinant microorganisms that make the proteins, methods of making the proteins using recombinant microorganisms, compositions that comprise the proteins, and methods of using the proteins, among other things.

The object of the present invention is to provide a method for producing ectoine and hydroxy ecto by cultivating halophilic microorganisms with reasonable cost to improve the synthesis efficiency of ectoine and hydroxy ecto. The method for cultivating halophilic microorganisms of the present invention to produce hydroxyectoine comprises the following steps: (1) strain activation; (2) seed cultivation; (3) fermentation stage; (4) reducing the salt concentration of the culture medium by feeding Rapidly increase to 3-3.5M, and then continue to cultivate for 3-8h, so that the synthesis of ectoine is greatly increased; (5) raise the culture temperature from the optimal growth temperature to a higher temperature, continue to cultivate for 3-10h, and obtain a higher High yield of ectoine synthesis. In the invention, the fermentation inoculation strain is cultivated by means of osmotic pressure shock and heat shock in the fermentation process, and the synthesis rate of ectoine and hydroxy ectoine is greatly improved at a reasonable cost.

Nutritive proteins are provided. In some embodiments the nutritive proteins comprise at least one of a level of a) a ratio of branch chain amino acid residues to total amino acid residues present in the nutritive protein equal to or greater than the ratio of branch chain amino acid residues to total amino acid residues present in whey protein; b) a ratio of leucine residues to total amino acid residues present in the nutritive protein equal to or greater than the ratio of leucine residues to total amino acid residues present in whey protein; and c) a ratio of essential amino acid residues to total amino acid residues present in the nutritive protein equal to or greater than the ratio of essential amino acid residues to total amino acid residues present in whey protein. Also provided are nucleic acids encoding the proteins, recombinant microorganisms that make the proteins, methods of making the proteins using recombinant microorganisms, compositions that comprise the proteins, and methods of using the proteins, among other things.

The invention discloses a nitrogen defect-containing hollow tubular graphite phase carbon nitride photocatalyst, a preparation method and applications thereof. The preparation method comprises: carrying out a hydrothermal reaction by using melamine as a raw material, then adding KOH, and carrying out high-temperature calcination. According to the invention, the one-dimensional morphology of the catalyst is of a hollow tubular structure containing nitrogen vacancies, the diameter is 3-7 microns, and the length is 20-50 microns; the nitrogen vacancy is a defect and is introduced by adding potassium hydroxide in the calcining process; and the catalyst provided by the invention has the advantages that the photocatalytic performance is high, and the catalyst can be effectively applied to removal of antibiotics in wastewater.

The invention relates to polyester production equipment and a polyester production technology, and belongs to the technical field of differentiated preparation of thermoplastic polyester. The polyester production technology comprises the steps of burdening, esterifying and condensation polymerization, adding terephthalic acid and ethanediol to a reaction kettle according to a molar ratio of 1: (1.15-1.5), firstly performing an esterification reaction which comprises first-stage esterification and second-stage esterification, wherein the esterification rate of the first-stage esterification is controlled to be 90-92%, and the esterification rate of the second-stage esterification is up to 96-99%, shifting to condensation polymerization, performing grain-sized dicing on the melt after condensation polymerization, so as to form the finished product. The sliced polyester finished product is excellent in ageing resistance, moisture transmission resistance, weather resistance and the like, and has a good application prospect in the field of the solar backing plate polyester film market.

The invention discloses a feed additive for reducing nitrogen excretion of ruminants and a preparation method of the feed additive, relates to the field of feed, and is used for solving the problems that in the prior art, absorptivity of protein feed nutrient substances is low due to restriction of ruminants to digestive absorption of nitrogen source substances, and the feed additive is poor in palatability and over high in cost. The feed additive for reducing nitrogen excretion of ruminants comprises the following raw material components in parts by weight: 782-3,128 parts of slow-release urea and 1,564 parts of by-pass rumen protection methionine, wherein the slow-release urea comprises the following components in parts by weight: 322-1288 parts of feed grade urea, 345-1,380 parts of acrylic resin IV and 115-460 parts of pregelatinized starch; and the by-pass rumen protection methionine comprises the following components in parts by weight: 204 parts of a wall material and 1,360 parts of a DL-methionine core material. By the feed additive for reducing nitrogen excretion of ruminants, nitrogen excretion of the ruminants can be reduced obviously, deposition of nitrogen in tissues is increased, and meanwhile, effects of improving a breeding environment and increasing breeding benefit are achieved.

The invention discloses an imine salt derivative, a preparation method thereof and a preparation method of nicotine. The preparation method of nicotine includes the steps of: adding an imine salt derivative shown as general formula (I) or (II) in the specification and a reducing agent into a solvent for reaction to prepare a racemic nicotine solution; adding a second quenching agent into the racemic nicotine solution to obtain a nicotine precursor solution; and adding an extracting agent into the nicotine precursor solution, conducting reduced pressure concentration, and performing drying andremoving the solvent, thus obtaining nicotine. According to the invention, through the imine salt derivative intermediate synthesized for the first time and the use of the cheap reducing agent, the intermediate is reduced under a relatively mild condition to obtain racemic nicotine. Compared with the existing nicotine synthesis process, the method has the advantages of mild synthesis process conditions, simple equipment requirement, high product purity and high synthesis rate, and is particularly suitable for industrial production.

The invention relates to a method for preparing a beta-SiAlON multiphase material by using ceramic polishing waste residue and coal gangue. The method comprises the following steps: 1) respectively crushing the ceramic polishing waste residue and coal gangue, and then mixing ceramic polishing waste residue fine powder, coal gangue fine powder and fine carbon powder at a mass ratio of 1:(5-15):(1-5) to obtain a mixture; 2) adding absolute ethyl alcohol into the mixture, performing wet grinding, then drying, adding a binding agent, uniformly mixing, performing pre-press molding under the pressure of 50-100Mpa, then sintering at 1450-1600 DEG C under a nitrogen atmosphere, cooling, and obtaining the beta-SiAlON multiphase material after cooling to the room temperature. According to the method disclosed by the invention, a beta-SiAlON refractory material is prepared by using the ceramic polishing waste residue and coal gangue, so that the environmental protection requirements of performing harmless, yield-reducing and resourceful treatment on solid waste can be achieved, and the additional values of such resources can be improved; the method has good social and economic benefits.

The invention discloses a method for preparing an N-fatty acyl group amino acid compound. The method is characterized in that fatty acid methyl ester and amino acid sodium serve as raw materials, the one-step synthesis method is adopted under the action of a metallic oxide catalyst, an N-fatty acyl group amino acid sodium surface active agent is compounded, and the mole ratio of the raw material of fatty acid methyl ester to the raw material of amino acid sodium is 1.2-1.8 to 0.7-1. The proportion of the raw materials is appropriate; basically, no by-product is produced; the product synthetic ratio reaches up to 87 percent or more, the purity is high, the problems that in a traditional acyl chloride method, a large amount of waste acid is produced and needs to be processed, the operation technology is complex, and the raw material of PCl3 is large in irritation, and the method conforms to the green chemistry principle. The dosage of the catalyst is reasonable; by means of the catalyst, the production efficiency is greatly improved in the preparing process, the production procedure is shortened, the product quality is improved, and good products can even be directly used as raw materials of the pharmaceutical industry.

The invention discloses an ammonia synthesis technology for improving ammonia separation effects through temperature swing adsorption. Synthetic gas is connected to the inlet of a desorption end of an adsorption and desorption tower, synthetic gas at the outlet of the desorption end of the adsorption and desorption tower is successively cooled through a preheater and a water condenser and then enters an ammonia separator; circulation gas is connected to an inlet of the adsorption end of the adsorption and desorption tower; the circulation gas at the outlet of the adsorption end of the adsorption and desorption tower enters the preheater for being preheated, and the preheated circulation gas enters an ammonia synthesis tower. Only two adsorption and desorption towers and transfer valves, which can be mutually replaced for regeneration adsorption, are added, and the aims of greatly increasing one-way ammonia synthesis rate and reducing the energy consumption of an ice machine can be realized. Under the conditions of lower temperature and less NH3 partial pressure, NH3 in the circulation gas in the ammonia converter is adsorbed, so that the absorbed NH3 reaches a less in-tower ammonia content, and the out-tower synthetic gas desorbs the absorbed NH3; the desorbed NH3 is gathered in the out-tower gas, so as to increase the total ammonia partial pressure of the synthesis cycle gas. After water cooling, condensation and separation are carried out, so as to increase one-time one way synthetic ratio and an ammonia net value, and increase the ammonia yield and improve the reaction condition of the synthesis tower.

The invention discloses a preparation method for glycerophosphatidylcholine. The preparation method comprises the steps: mixing a compound shown in the formula (I) with anhydrous sodium carbonate to prepare a mixture M1; putting the mixture M1 and (R)-(-)-3-chloro-1,2-propylene glycol in anhydrous ethanol for reflux to obtain a mixture M2; after diluting the mixture M2 by 5-10 times, flowing the mixture M2 through first ion exchange resin to obtain a mixture M3; after diluting the mixture M3 by 2-4 times, flowing the mixture M3 through second ion exchange resin to obtain a mixture M4; washing the mixture M4 by 70-90wt% ethanol to obtain a mixture M5; washing the mixture M5 by distilled water to obtain a mixture M6; after flowing the mixture M6 through third ion exchange resin, filtering the mixture M6 to obtain a filtrate so as to obtain the glycerophosphatidylcholine. The formula (I) is as shown in the description, wherein R is Ca2<+> or Mg2<+>. The effects of simple preparation method, high synthetic ratio and great reduction of production cost are achieved.