63results about How to "Industrialized" patented technology

The invention relates to a phosphoryl carboxylic acid propofol ester derivative which has the general formula (I). The method comprises the following steps: propofol reacts with 2-halogenated carboxylic acid and a derivative thereof by alkali to obtain corresponding ester and then the product reacts with phosphoric acid or thiophosphoric acid and the derivative thereof by dissolvent to obtain a water-soluble product or the propofol reacts with a 2-halogenated carboxylic acid phosphate ester derivative by the alkali to obtain the corresponding ester and then the ester is catalyzed, hydrogenated and salified to obtain the water-soluble product (I). The preparation method has mild reaction condition, high yield, simple operation and industrialized prospect, and a prepared oral preparation has the characteristics of high bioavailability, rapid absorption, high stability, and the like; and auxiliary materials with safety defects, such as a surface active agent, and the like can not be added into the prepared injection, thereby improving the stability of the preparation, reducing or removing injection pain, increasing the compliance of patients, overcoming the defects of propofol emulsion and having the advantage of obvious effect. The invention has the structural general formula (I).

The invention discloses a four-die stepless speed change series-parallel hybrid power driving system, belonging to the technical field of automobile hybrid driving. The system comprises an engine, a clutch, two motors, corresponding transmission chains of the two motors, a power transfer switching device, a planetary gear differential device, a deceleration differential device, an energy storage device and a motor control device. The system provided by the invention has the characteristics of better technical inheritance with existing vehicles, overall dynamic property, fuel economy and low emission, and has functions of four-die driving, stepless speed change and series-parallel system; the problems of insufficient driving power, lack in ramp starting ability, large system volume and high cost of the existing similar technologies and the problems that the stepless speed regulation of the engine cannot be realized and the batch industrialization is difficult as the electromechanical components are difficult to manufacture are solved, and organic combination of high performance, low development cost, low system cost and easy implementation of scale industrialization is realized.

A method for preparing an anode material of a metal oxide nano-sheet lithium ion battery relates to a metal oxide nano-sheet, in particular to a metal oxide nano-sheet applicable to the anode material of the lithium ion battery and a preparation method thereof. The invention provides a method for preparing the anode material of the metal oxide nano-sheet lithium ion battery, wherein the anode material has higher specific capability, better rate capability and longer cycle life. The method comprises the following steps of: preparing a solution A from soluble cobalt salt, soluble nickel salt or soluble manganese salt; dissolving a soluble lithium salt into water and adding a precipitant in the water, thus obtaining a solution B; adding the solution B in the solution A in a mixing state; subsequently adding an organic acid into the solution and stirring the solution, thus obtaining a mixture; stirring the mixture to be dry and obtaining a precursor powder; pre-calcining the obtained precursor powder; and taking out the pre-calcined precursor powder, grinding and sintering the pre-calcined precursor powder, thus obtaining the anode material of the metal oxide nano-sheet lithium ion battery.

The invention provides a multi-purpose adaptive second-gear multimode stepless speed changing electric transmission integrated power system. The multi-purpose adaptive second-gear multimode stepless speed changing electric transmission integrated power system comprises a first motor and the like; a planetary gear train comprises a gear ring, a planet carrier and a sun gear; the rotor of the first motor is connected with the gear ring of the planetary gear train; the rotor of the second motor is connected with the sun gear of the planetary gear train and the input end of a transmission chain, respectively; a gear shifting device is connected with the input end of a speed reducing differential mechanism and control on power transfer from the planet carrier of the planetary gear train and the output end of the transmission chain to the speed reducing differential mechanism is realized; the output end of the speed reducing differential mechanism is connected with two wheels by use of two half shafts; a motor control device is connected with an energy storage device to transfer electric energy; the motor control device is further connected with the first motor and the second motor, respectively, and outputs control instructions. The multi-purpose adaptive second-gear multimode stepless speed changing electric transmission integrated power system has the characteristics of better technical inheritance to the existing vehicles, whole vehicle dynamic property, fuel economy and low emission.

The invention relates to a method for hydrolyzing chitin and chitosan, in particular to a method for jointly hydrolyzing chitin and chitosan through a physical method and a chemical method. The method for hydrolyzing chitin and chitosan comprises the following steps that: the chitin or chitosan is taken as a raw material, binary mixed ionic liquid is taken as a solvent for the chitin or chitosan,acid functionalized ionic liquid is taken as a catalyst for hydrolysis, a water and strong polar co-solvent is added, and hydrolysis reaction is performed under the microwave reaction condition; and the obtained product is analyzed through ion chromatography, gel permeation chromatography and infrared, and the content of total reducing sugar is measured by an Imoto method. The method for hydrolyzing chitin and chitosan has the advantages of high efficiency, environmental friendliness, and high yield.

The invention discloses stable phytosterol nanometer emulsion compounded by soy protein-stevioside, and a preparation method and application thereof. The method comprises the steps of mixing a soy isolate protein solution and a stevioside solution to prepare a composite stable system; dissolving phytosterol into sunflower seed oil being 90 to 99 DEG C to obtain an oil phase; adding thw oil phase dissolved with the phytosterol into a water phase of soy protein-stevioside; controlling the mass ratio of the oil phase to the water phase to be 10:90-50:50; after the homogenizing, performing ultrasonic treatment or high-pressure micro jet flow treatment to obtain the stable phytosterol nanometer emulsion compounded by soy protein-stevioside. A powder product with high redissolving performance loaded with phytosterol can be prepared through spray drying treatment on the nanometer emulsion. The process conditions are simple and mild; the natural effect and safety are realized; the fast continuous production can be performed; products applied to food, medicine and cosmetics can be prepared through operating and controlling the process conditions; the industrialized and scaled application values are realized.

The invention provides a method for preparing cyclopentanone. The method comprises the following steps: enabling furfural to be subjected to hydroisomerization under the conditions of certain reactiontemperature and reaction pressure in presence of hydrogen, carbon dioxide and a catalyst so as to obtain the cyclopentanone. A mixture of water and an oxygen-containing heterocyclic compound is preferentially used as a solvent in a reaction. According to the method provided by the invention, the selectivity of the cyclopentanone is improved, the adhesion of the furfural and/or furfuryl alcohol tothe surface of the catalyst is avoided, and the service life of the catalyst is prolonged.

The invention relates to a method for extracting esculetin from herba violae. The method comprises the following steps: using herba violae as a raw material to grind, adding 7-15 times of 60-90% ethanol to perform backflow extraction for 2-3 times; filtering, recycling ethanol under reduced pressure, diluting the concentrated solution with hot water; adding macroporous resin for adsorption; washing resin column with water to ensure that the solution has no caramel colour; using 4-6 BV of 50-80% ethanol to elute the active ingredient, recycling ethanol from eluent; adjusting the acidity of the hot solution for precipitation, filtering out the precipitate, dissolving the precipitate with ethyl acetate through refluxing; adding the solution in an aluminum peroxide column, recycling the obtained solution in a small-column container, and standing for crystallization; dissolving the obtained crystals with ethanol to perform refluxing and recrystallization; and drying the obtained crystals to obtain the esculetin product. By adopting the method to produce esculetin, the technology is simple, is easy to operate, has low production cost and high product purity.

The invention discloses yellow phosphor, a preparation method thereof and application thereof in LED lighting field, and belongs to the field of preparation and application of light-emitting materials. The composition expression of the yellow phosphor is Ba(CexSc1-x)2O4, with 0<x</=0.5. The yellow phosphor is prepared by preparing Ba source, Ce source and Sc source compounds according to the molar ratio of Ba:C3:Sc=1:2x:(2-2x), mixing, briquetting, sintering initially, briquetting, sintering secondarily, and grinding. By combining a diode chip having emission wavelength of 430-460 nm and the above yellow phosphor, it is possible to prepare a white LED light-emitting device. The yellow phosphor and the manufacture process of its related light-emitting devices have the advantages that the manufacture process is simple and is easy to perform, integrated design of the devices is facilitated, and the yellow phosphor and the manufacture process have the potential of industrial and batch production.

The invention discloses a technique for separating and preparing rapeseed protein cogenerating rapeseed polyoses by the low-temperature cold pressing of rapeseed dregs film, comprising the following steps: oil manufacture is carried out to rapeseed with the low-temperature cold pressing method (not more than 100 DEG C). Raffinate oil in the rapeseed dregs is leached with organic solvent in order, and ethanol is used to remove polysaccharide, address sugar, parts of pigment, and the like; then, ultrafiltration membrane concatenation is taken as the main separation technique to separate and purify rapeseed protein cogenerating rapeseed polyoses from low-temperature rapeseed dregs, and 500 kDa of ultrafiltration membrane are used to intercept rapeseed protein so as to obtain protein of which the defatted rapeseed quality is 75%; 3 to 5 kDa of ultrafiltration membrane are used to filter address sugar, pigment, inorganic salt and the like, so as to obtain rapeseed polyoses relative defatted rapeseed quality of which is 3.2%; at last, rapeseed protein and rapeseed polyoses solution are respectively dried into solid with a spray drying process and a vacuum drying process. The invention is favorable for environment protection, and the yield of rapeseed protein is above 75%; meanwhile, rapeseed polyoses relative defatted rapeseed quality of which is 3.2% is obtained.

The invention provides a high-entropy alloy for hydrogen evolution catalysis and a preparation method thereof. The high-entropy alloy is prepared by taking iron, cobalt, nickel, tungsten and molybdenum as metal raw materials, the atomic number ratio of iron to tungsten to molybdenum in the metal raw materials is 1: 1: 1, the atomic number ratio of cobalt to nickel is 1: 1, and the atomic number of iron accounts for 9.5-12.5% of the total atomic number of the metal raw materials. The preparation method comprises the steps that cobalt powder, tungsten powder, iron powder, nickel powder and molybdenum powder are weighed according to the preparation proportion of the metal raw materials of the high-entropy alloy and are mixed, and mixed powder is obtained; ball milling is performed on the mixed powder; the mixed powder obtained after ball milling is pressed and formed, and a blank is obtained; and the blank is subjected to pressureless sintering, and the high-entropy alloy is obtained. According to the high-entropy alloy provided by the invention, non-noble metal with low price and rich reserves is selected as a raw material, so that the cost is greatly saved. The high-entropy alloy prepared through the method has efficient hydrogen evolution catalytic performance and can replace existing platinum series precious metal to be applied to the aspect of electrodes.

The invention provides a humidity-interference-resistant super-hydrophobic fabric-based pressure sensor and a preparation method thereof. The preparation method comprises the following steps: dipping fabric in an alkaline solution to increase active groups on the surface of the fabric; then dipping the fabric in a conductive material solution to obtain conductive fabric; and dipping the conductive fabric in the super-hydrophobic nano metal oxide particle dispersion liquid to form a super-hydrophobic nano metal oxide layer on the surface of the conductive fabric, and connecting an electrode to the surface of the conductive fabric to obtain the super-hydrophobic fabric-based pressure sensor. Through the super-hydrophobic nanoscale metal oxide layer, the conductive layer of the fabric-based pressure sensor can be fully protected from humidity interference on the basis of not reducing the conductivity and the sensing sensitivity of the sensor, so that the sensing stability of the fabric-based pressure sensor in different use environments is improved.

The invention discloses a basket type cantilever scaffold. The basket type cantilever scaffold comprises a set of steel profiles (1); one end of each steel profile is welded with a rear connecting plate (2); the rear connecting plates are connected with a lower building through beam (4) through bolt assembly (3); the other end of each steel profile is welded with a front connecting plate (5); thefront connecting plate is connected to a lower connecting plate (7) welded to the lower end of a lower basket rod (6) through a bolt assembly; the upper end of the lower basket rod is connected with the lower end of an upper basket rod (9) through a flower basket assembly (8); the upper end of the upper basket rod is welded with an upper connecting plate (10); and the upper connecting plate is connected with an upper building through beam (11) through a bolt assembly. The problems of waste of template opening, leakage of reserved holes in walls, difficulty of dismantling of I-beams, infirmnessof cable-stayed wire ropes and the like can be solved; and in addition, the stability and rationality of a stress system are improved, and the cantilever scaffold is of great significance on buildingsafety. Compared with traditional construction methods, the cantilever scaffold has the characteristics of standardization, industrialization, convenient construction, beautiful appearance and the like.

The invention discloses temperature-sensitive fluorescent powder and a preparation method and application thereof. The chemical formula of the temperature-sensitive fluorescent powder is Sr (PrxRe1-x)2O4, wherein x is 0.0001-0.1, and Re is at least one of Lu, Gd and Y. The temperature-sensitive fluorescent powder has good optical characteristics and chemical and thermal stability, the luminous intensity is obviously influenced by temperature, and the temperature-sensitive fluorescent powder is suitable for high-precision and wide-range optical temperature sensors. The temperature-sensitive fluorescent powder is prepared by adopting a solid-phase sintering method, and the whole preparation process is simplified in process, short in production period, high in production efficiency and convenient for industrial production.

The invention provides a complete culture medium for culturing hepatocytes. Complete culture medium components comprise a basic culture medium and mixed serum, wherein the mixed serum is composed of portal vein serum and fetal bovine serum. The complete culture medium provided by the invention can be applied to culture of a hepatoma cell line HepG2, and can also enhance the expression of pigment metabolic enzymes in the hepatocytes. The gene expression level of metabolic enzymes in the hepatocytes is enhanced in the premise of ensuring the normal growth of the hepatocytes and the survival of the hepatocytes.

The invention discloses yellow light fluorescent powder for a white light LED and a preparation method thereof. A chemical formula is Ba3(CexRe<1-x>)4O9. A solid-phase sintering method is used for preparing the Ba3Re4O9:Ce yellow fluorescent powder; the whole preparation process technology is simplified; the production period is short; the production efficiency is high; the fluorescence emission wavelength of the yellow fluorescent powder covers 475 nm to 750 nm; high luminous efficiency is realized; in addition, the center emission wavelength is about 580 to 600 nm. Compared with Ce:YAG, Ce:TAG and Ce:GAG ( with the center emission wavelength being respectively about 534 nm, 552 nm and 564 nm), the Ba3Re4O9:Ce fluorescent powder can more effectively enhance and improve the corresponding red light waveband color development index (R9); the warm white LED illumination can be favorably realized.

The invention discloses prasugrel derivatives, a preparation method thereof and an application of medicinal composition, and particularly relates to a compound as shown in a general formula (I) in the description, or a stereoisomer, hydrate, solvate, eutectic, pharmaceutically acceptable salt or prodrug thereof, the preparation method thereof, the medicinal composition containing the same, and the medical application of the compound or the medicinal composition. The invention particularly discloses the application of the medicinal composition in preventing or treating atherosclerosis, myocardial infarction, stroke, ischemic cerebral thrombosis, peripheral arterial disease, acute coronary syndrome or thrombosis after coronary intervention. The definition of each substituent in the general formula (I) is the same as the definition in the description.

The invention discloses a chitosan hydrolysis method and belongs to the technical field of chitosan hydrolysis. In the chitosan hydrolysis method, non-specific cellulase is selected, and chitosan and fibrin are similar in property and structure, so that good hydrolysis effect can be realized due to selection of cellulase. The chitosan hydrolysis method includes: taking chitosan as a raw material; using binary mixed ion liquid as a solvent of chitosan and cellulase as a catalyst for hydrolysis, and performing hydrolysis reaction under a condition of constant-temeprature oscillation, wherein reaction temperature is 45-58 DEG C, a proportion of cellulase and chitosan is 0.05-10%, reaction time is 3-10h, and reaction pH value is 3.6-5.0. The chitosan hydrolysis method has the advantages of being high in efficiency, environment friendly and high yield and has industrialization prospect. The solvent adopted in the method is a green solvent, free of volatilization and recyclable.

The invention relates to a preparation method of a hydrophobic porous carbon material, which belongs to the field of carbon materials, and is characterized by comprising the following steps: pre-emulsifying raw materials organic silicon, styrene, acrylate, an emulsifier and deionized water, dropwisely adding potassium peroxodisulfate to perform emulsion polymerization to obtain styrene-acrylic latex SSAL, and blending the SSAL with an oxalic acid solution to obtain a resin matrix PSO; and carbonizing PSO at high temperature to obtain a hydrophobic porous carbon material. According to the method, oxalic acid is used as an activating agent, and a specific adding step is matched, so that the pore-forming effect is guaranteed, and meanwhile, energy waste and waste liquid generation are avoided.