90results about How to "Low process equipment requirements" patented technology

A preparation method of peony seed oil comprises the following process flow: 1, preprocessing; 2, squeezing and filtering; 3, precipitating; 4, deacidifying; 5, degumming; 6, drying and decoloring; 7, carrying out vacuum deodorization; 8, carrying out quality inspection, and filling; and 9, carrying out lamp inspection, sealing a case after the products are qualified, and carrying out storage warehousing. The preparation method has the advantages of simplicity, low requirements on a process apparatus, small investment, and easy scale production; and the peony seed oil obtained through the method has a good quality controllability.

The invention discloses an LDMOS (laterally diffused metal oxide semiconductor), a semiconductor device integrated with the LDMOS and a manufacturing method thereof. The semiconductor device comprises an LDMOS 1, a CMOS (complementary metal oxide semiconductor) 2, an NPN 3 and a buried channel resistor 4 which are arranged in a P type substrate 10. The LDMOS 1 comprises an N type drift region 20, a P+ well contact region 40, a P type body region 70, an N+ source region 50, an N+ drain region 60, a gate dielectric layer 100, a source metal 80, a drain metal 90, a field oxidation layer 110 and a metal front medium 120 as well as a P type field reducing layer 30A and at least one P type buried well 30B, wherein no gap is kept between the N type drift region 20 and the P type body region, the P type buried well 30B is arranged below the P type body region 70 and is contacted with the P type body region 70, the P type field reducing layer 30A is arranged below the field oxidation layer 110 and is surrounded by the N type drift region, and a gap is kept between the P type filed reducing layer 30A and the field oxidation layer 110. The LDMOS in the invention has low on resistance and high withstand voltage and is easy to integrate, and the whole manufacturing process of the semiconductor device has simple steps and has low requirement to equipment.

The invention discloses a quick petroleum deemulsifier and a preparation method thereof. The method comprises the following steps of: (1) performing esterification reaction on polyethylene polyamine, nonylphenol ethoxylates, and diethanol amine polyether with acryloyl chloride respectively to obtain acrylic acid polyethylene polyamine polyether ester, acrylic acid nonylphenol polyether ester, and acrylic acid diethanol amine polyether ester respectively; and (2) performing free radical polymerization reaction on the acrylic acid polyethylene polyamine polyether ester, acrylic acid nonylphenol polyether ester, acrylic acid diethanol amine polyether ester, methacrylic acid, and butyl acrylate in water in presence of initiator under the anaerobic condition, and performing termination reaction by using a terminator to obtain the quick petroleum deemulsifier. The deemulsifier has high dehydration rate in a very short time period, and is suitable for development of offshore oil fields; and the preparation method has the characteristics of low requirement on processing equipment and is easy to operate.

The invention discloses a method for separating benzene/toluene and a methanol-alkylated reaction product. The method comprises the steps of: condensing the alkylated reaction product and separating a water phase and an oil phase from the condensed alkylated reaction product by an oil-water separation tank; making the water phase enter an efficient oil-water separator to be subjected to deep separation so as to separate the oil phase and the water phase; making the oil phase separated by the oil-water separator and the efficient oil-water separator enter an equal-diameter benzene/toluene tower to rectify to separate; returning the components on the top of the benzene/toluene tower to a reactor for continuously reacting or discharging out the components as process products from the benzene/toluene tower; making the components on the bottom of the tower continuously enter a dimethylbenzene rectification tower to rectify; and, finally separating the dimethylbenzene product. The process provided by the invention reduces the rectification need of benzene/toluene in the equipment. A separation process of alkylated reaction products that reduces the investment cost of the equipment is provided. The rectification efficiency and the recovery rate of the products are enhanced.

The invention provides a dapagliflozin medicinal composition. The dapagliflozin medicinal composition is characterized by consisting of the following components in percentage by mass: 1 to 95 percent of a dapagliflozin and microcrystalline cellulose composition, 0 to 95 percent of a filling agent/an adhesive, 0 to 20 percent of a disintegrant, 0.1 to 5 percent of a lubricating agent and 0 to 10 percent of a flow aid. According to the dapagliflozin medicinal composition, microcrystalline cellulose serves as a carrier material; according to a method provided by the invention, the dapagliflozin and microcrystalline cellulose are mixed and heated so that the dapagliflozin is molten; the dapagliflozin covers the surface of the microcrystalline cellulose in a liquid form; after the dapagliflozin is cooled, the dapagliflozin is solidified on the surface of the microcrystalline cellulose to form a dapagliflozin and microcrystalline cellulose compound; the specific surface area of the dapagliflozin is increased, so that the medicine dissolving speed can be improved and the quality is stable; the preparation method provided by the invention is simple and feasible, and is suitable for industrial production.

The invention discloses a method for preparing a nanometer Pd electrocatalyst. The method comprises a hexagonal phase lyotropic liquid crystal preparation process, a Pd salt precursor reduction process and a unit aftertreatment process; and the shape of the generated nanometer Pd can be regulated and controlled by changing reaction time, illumination intensity and the like. By the method, the shape and the size of the prepared nanometer Pd electrocatalyst can be controlled and regulated; nanometer Pd electrocatalysts with controllable sizes and shapes are obtained according to different reaction time and bulb power; and the method is suitable for preparing electro-catalysis formaldehyde and other organic small molecular electrocatalysts. The preparation method is mild in condition, simple in process, short in production period and uniform in product and makes the nanometer Pd electrocatalyst easily produced on a large scale.

The invention discloses sansevieria trifasciata saponin, a preparation method and application thereof. The method comprises the following steps of: making the sansevieria trifasciata into dry powder, extracting by using water, alcohol or methanol, extracting by using petroleum ether or ether, and extracting by using butyl alcohol or pentanol to obtain the sansevieria trifasciata total saponin extract. The method for preparing the sansevieria trifasciata saponi optimizes the process conditions, has simple operation and low cost, has low requirement on process equipment, can reduce the consumption of solvents and enhance the leaching rate. The sterilized sansevieria trifasciata has obvious inhibition function on the growth of JurKet, has no activity killing effect on human cervical carcinoma cells (HeLa) and human gastric carcinoma cells (BGC823), and has no injury to normal Chinese Hamster Ovary (CHO), and the cell grows normally without any obvious change.

The invention relates to preparing methods for modified graphene and modified graphene slurry. The preparing method for the modified graphene includes (1) a step of preparing graphene oxide, namely astep of subjecting graphite powder to preoxidation and Hummer's oxidation to obtain the graphene oxide; (2) a step of uniformly dispersing the graphene oxide into water in a concentration of 5 g/L to15 g/L, adjusting the pH until the solution is alkaline, adding a carboxyl activator at 70-90 DEG C, stirring the mixture, adding an aqueous solution of branched polyethyleneimine, and reacting the mixture, with the molecular weight of the branched polyethyleneimine being 1,000-3,000; (3) a step of adding an alkaline reductant into the reaction solution of the step (2), performing filtration afterthe reaction is finished, and cleaning and drying a product to obtain the modified graphene. The modified graphene prepared by the method can be uniformly and stably dispersed into water and ethanolwhich are common organic and inorganic solvents.

The invention discloses a semi-solid rheological squeeze casting forming method of flame retardant magnesium alloy. The method includes the steps of the early processes of conventional melting, refining and slagging-off and two subsequent technological processes of semi-solid slurry preparation and semi-solid rheological squeeze casting; the semi-solid slurry preparation is achieved through imposing air bubble to flame retardant magnesium alloy melt to be stirred, and then squeeze casting forming is conducted on the obtained semi-solid slurry. Through the method, the semi-solid rheological squeeze casting forming of the flame retardant magnesium alloy is achieved, a primary phase and a secondary phase in the flame retardant magnesium alloy can be refined respectively, the casting overall organization is dense, the casting surface is high in quality, and the mechanical property and the surface quality of a product are greatly improved; the pouring temperature is decreased from 700 DEG C in a traditional process to about 600 DEG C, energy consumption can be lowered, impact to a mould is decreased, oxidation losses of magnesium alloy materials are lowered, and the utilization rate of the materials is improved.

The invention belongs to the technical field of high-molecular polymerization, and discloses a siloxane modified cardanol derivative prepolymer as well as a preparation method and application thereof.The siloxane modified cardanol derivative prepolymer is prepared by putting cashew nut shell oleyl alcohol, isocyanate propyl silane and a catalyst into a reaction kettle in a nitrogen protective atmosphere, reacting at 80-90 DEG C, sampling, monitoring an NCO characteristic peak by adopting a Fourier infrared spectrometer until the NCO characteristic peak completely disappears, cooling, filtering and discharging. The molar ratio of OH of the cashew nut shell oleyl alcohol to NCO of the isocyanate propyl silane is 1: (0.5-1). The cashew nut shell oleyl alcohol can interact with pigment through large pi conjugation or hydrogen bonds, the wettability of the pigment can be improved, and the cashew nut shell oleyl alcohol is used for dispersing the pigment. Meanwhile, the cardanol derivativeprepolymer is grafted to the surface of the pigment, so that the storage stability of the pigment is greatly improved.

The invention provides a method for preparing silicon-based biolubricant base oil from organosilicon modified fatty acid ester. The method comprises the following specific steps: mixing fatty acid ester with organic acid and a catalyst and adding the mixture into an epoxidation reaction kettle, dropwise slowly adding an oxidizing agent, reacting, standing for layering, fetching a supernatant liquid and distilling to obtain epoxidized aliphatic ester; carrying out a ring-opening reaction between epoxidized aliphatic ester and organic acid, washing to neutral level after the reaction and carrying out reduced pressure distillation to obtain a ring-opening product; stirring the ring-opening product and heating to reaction temperature, dropwise adding organosilicon and an acid binding agent according to requirements and carrying out a silylation reaction, directly carrying out reduced pressure distillation after the reaction, and separating a solid to obtain the silicon-based biolubricant base oil. By the above method, the disadvantage that biolubricant base oil produced by existing technologies has poor oxidation stability and poor viscosity-temperature characteristic is overcome. The production process is environment-friendly, and energy consumption is low. The industrial acid binding agent used in the method is low-cost such that cost of the product is reduced.

The invention discloses soybean milk powder and a making method thereof, and belongs to the technical field of foods. The soybean milk powder is prepared from, by weight, 150-250 parts of soybeans, 150-250 parts of black beans, 20-80 parts of small red beans, 10-30 parts of pearl barley, 5-10 parts of cranberries, 5-10 parts of cocoa powder, 20-60 parts of whole milk powder, 5-10 parts of starch, 0.2-0.8 part of citric acid, 1-5 parts of emulsifying agents, 2-10 parts of additives and 2-10 parts of phosphatide oil. According to the soybean milk powder, the sugar-free sweet formula is adopted, the mouthfeel is good, delamination is not prone to occurrence, the deodorization process is simple, and the health care function is achieved. The adopted additives are all prepared from the pure natural plant raw materials of sweet stevia, licorice roots, grosvenor momordica fruit, jujubes, haws, Chinese wolfberries, poria cocos and herba portulacae, and on one hand, the raw materials have the health care function; on the other hand, the raw materials are mixed according to proportions, the function of a flavoring agent is achieved, and the mouthfeel of the soybean milk powder is improved; in addition, according to the raw materials, saccharose is not adopted, so that the soybean milk powder can also be taken by diabetics.

The invention discloses a synthesizing method for 4-amino-2-methyl-5-(brooethyl) pyrimidine hydrobromide. The method comprises the following steps: acquiring formylated midbody sodium salt A by reacting 3-methoxypropionitrile with ethyl formate under the effect of sodium methylate; reacting the midbody sodium salt A with dimethyl sulfate, thereby acquiring a midbody B; condensing the midbody B with acetamidine hydrochloride, thereby acquiring a midbody C; and reacting the midbody C with hydrobromic acid, thereby acquiring a target product 4-amino-2-methyl-5-(brooethyl) pyrimidine hydrobromide I. According to the invention, the raw material source is wide and the cost is low; the synthesizing method is simple in production operation and has low requirement for processing equipment; the rigorous production conditions, such as, anhydrous condition, anaerobic condition and high-pressure hydrogenation, are not required; the reaction condition is mild; the method is easy for large-scale industrial production; the process is simple; the production period is short; the production efficiency is high; the production method is green and environmentally friendly and is suitable for large-scale industrial production.