42results about How to "Adapt to industrialized mass production" patented technology

The invention discloses an air conditioning duct for a rail vehicle. The duct is a composite pipe, and sequentially comprises an inner side layer, a fiber-reinforced aerogel felt layer and an outer side layer from inside to outside, wherein the inner side layer and the outer side layer are solidified prepreg or metal sheets. The air conditioning duct for the rail vehicle is a pipe which can be directly spliced and installed; the middle fiber-reinforced aerogel layer is light in weight, has a prominent thermal insulation effect, and is an incombustible material, so that the air conditioning duct for the rail vehicle has good fire resistance and thermal insulation effect; since the fiber-reinforced aerogel material is encapsulated between the solidified prepreg layers, after the duct is installed on a bullet train, the problem that the fiber-reinforced aerogel material drops powder is not caused regardless of how the train drives the duct to vibrate, and the thermal insulation effect isaccordingly stable and lasting.

The invention discloses an azlocillin sodium medicinal composition, namely azlocillin sodium nanoparticle injection. The azlocillin sodium nanoparticle injection consists of azlocillin sodium, a carrier material, stabilizer and excipient, and the effective average particle size of nanoparticles is 10 to 200nm. The invention discloses a preparation method for the injection; and the method comprises the following steps of: mixing the azlocillin sodium and the stabilizer in water for injection, adjusting pH value, and adding the carrier material and the excipient to obtain the azlocillin sodium nanoparticle injection. The injection has the advantages of high redissolution performance, excellent stability, high medicine loading capacity and the like, and the process is suitable for industrial large-scale production.

The invention relates to a method for making handmade paper by a dry method, wherein, bamboo is adopted as raw material, dry paper pulp is obtained after the bamboo is crashed, a dry paper pulp sheet can be obtained from the dry paper pulp by extrusion, the dry paper pulp sheet is further dispersed into fiber, and the dry paper pulp fiber enters an air channel in the suspension form under the action of an airflow generated by an induced draft fan and is intercepted by a polyester net to form a uniform dry paper pulp layer which is covered with a fixed layer; under the holding of the upper fixed layer and the lower polyester net, wet paper is formed by the dry paper pulp layer treated with water absorption by a water supplying tank, the wet paper is separated from the fixed layer and the polyester net after being extruded, and the handmade paper can be obtained form the separated wet paper by drying. The method for making the handmade paper has only one harmful chemical, i.e., alkali liquor which is added in the production process, and gas and liquid are not discharged in the production process to pollute the environment; in the pulping process, the pulp outcome rate of the raw material reaches more than 95 percent, the sizing agent does not need washing and can not be lost, thus utilizing the bamboo resources maximally and saving the raw material.

The invention belongs to the technical field of foods and functional foods, and discloses a tabletted Moringa tree leaf extract candy, and a production method and an application thereof. The tablettedMoringa tree leaf extract candy comprises dry Moringa tree leaf extract, auxiliary materials and magnesium stearate. The production method comprises the following steps: adding a Moringa tree leaf raw material into water, carrying out heating extraction to obtain a Moringa tree leaf extract liquid, concentrating the extract liquid to obtain Moringa tree leaf extract, drying the Moringa tree leafextract to obtain the dry Moringa tree leaf extract, crushing the dry extract, adding the auxiliary materials and the magnesium stearate, and carrying out granulation, straightening and tabletting molding processes to produce the tabletted Moringa tree leaf extract candy. The tabletted Moringa tree leaf extract candy is a novel leisure food with the advantages of pharmacological action, unique taste flavor, good palatability, completeness in absorption in human bodies, high bioavailability, small use amount and convenience in carrying and eating.

A vaginal effervescent tablet of miconazole nitrate is proportionally prepared from miconazole nitrate, tartaric acid, sodium dicarbonate, microcrystalline cellulose, polysorbitate, carboxymethyl starch sodium and magnesium stearate.

The present invention is a process for producing adipic acid and hexamethylenediamine by depolymerizing nylon-66. It consists of an acid hydrolysis section, a cooling crystallization section, a crude acid separation section, a recrystallization section, a neutralization section and a refining section. Adipic acid is decomposed to obtain adipic acid, and then alkali is added for neutralization reaction to obtain hexamethylenediamine. The acid used in the acid hydrolysis section is sulfuric acid, and the alkali used for neutralization is milk of lime. This process is suitable for large-scale industrial production and solves the problem of waste nylon-66 The problem of high operating costs in the industrial production of depolymerization to produce monomers can obtain adipic acid and hexamethylenediamine with high purity, and there is no new pollution, which has high economic and social benefits.

The invention relates to a traditional Chinese medicine preparation, in particular to a bone reinforcing and muscle stretching medicine for treating cervical spondylotic radiculopathy and a preparation method thereof. The effective ingredients in drynaria rhizome, leatherleaf milletia, desertliving cistanche, kudzu root, hawthorn, barrenwort and dregs of a decoction are entirely extracted and prepared to improve the transfer rate of the effective ingredients and to fully apply the medicinal materials. The extraction rate of the effective ingredients is improved and the pharmacological activity is greatly enhanced. The effective ingredients are extracted and processed on a condition of guaranteeing the effect of corydalis tuber, so that the dosage is reduced while the treatment effect is not reduced. As shown in the test, the technique of the invention can be used for extracting more effective ingredients to play the treatment role of the medicine so as to better guarantee the clinicaltreatment effect of the medicine, and the medicine is employed in such common orthopedics diseases as cervical spondylotic radiculopathy caused by liver and kidney deficiency and cold-dampness collateral obstruction so as to better satisfy the demands in clinical medical treatment.

The invention discloses a synthesis method and application of 1, 3-aza-silane compounds, and belongs to the technical field of chemical synthesis of silicon nitrogen compounds. The inventor provides a novel synthesis method of a precursor compound 1, 3-aza-silane compound, and the precursor compound 1, 3-aza-silane compound is used as an initial raw material for preparing silicon-substituted indoline or other pharmaceutical compositions, so that the subsequent preparation method is easy to operate, low in related reagent risk, not harsh in reaction condition and the like, and further, the 1, 3-aza-silane compound is ensured to be high in yield. The 1, 3-aza-silane compound has strong applicability when being used as a reaction substrate, realizes the synthesis of silicon-substituted indoline, and provides reference precursor compound selection for new drug research and development and the like.

The invention relates to a suppository for treating constipation and a preparation method thereof. The suppository is characterized in that a matrix and a proper dispersant are added into docusate sodium and mixed to prepare rectal administration suppository. The suppository is controllable in quality, stable and mild in property, can be used for preventing and treating various constipations in different ages, is suitable for postoperative constipations of haemorrhoids, senility and weakness, cardiovascular and cerebrovascular diseases and in proctology, obstetrics and gynecology departments and the like, and has higher clinical application value for oral intolerance or special patients.

The invention discloses a boiler heating device. The boiler heating device is characterized by comprising a boiler water inlet (1), a pipe box cover (2), a small pipe plate (3), a boiler water outlet(4), a large pipe plate (5), a converted gas outlet (6), a shell (7), a baffle plate (8), a bayonet tube (9), a sleeve pipe (10), a gas distributor (11), a heat insulation layer (12), a converted gasinlet (13) and a water leg (14), wherein the boiler water inlet (1) is arranged on the shell (7); the pipe box cover (2) is arranged below the boiler water inlet (1); the small pipe plate (3) is arranged below the pipe box cover (2); the boiler water outlet (4) is arranged below the small pipe plate (3); the large pipe plate (5) is arranged below the boiler water outlet (4); the converted gas outlet (6) is arranged below the large pipe plate (5); the baffle plate (8) is arranged below the shell (7); the bayonet tube (9) is arranged below the baffle plate (8); the sleeve pipe (10) is arranged below the bayonet tube (9); and the heat insulation layer (12) is arranged in the shell (7). The boiler heating device is simple and reasonable in structural design, long in service life, small in size, excellent in heating effect, and is extremely applicable to industrial production.

The invention discloses a high-activity probiotic product with a gastrointestinal tract regulating function and a preparation method thereof. The high-activity probiotic product with the gastrointestinal tract regulating function is composed of an anti-gastric acid protective layer, an anti-oxidation layer and a core protective layer. The anti-gastric acid protective layer comprises the following components of hydroxypropyl starch, glycerol, purified water, D-mannitol and an additive in a weight ratio of (80-120): (20-40): (60-150): (4.5-9.5): (2.05-6.1); the weight ratio of the components of the core protective layer is that the weight ratio of the compound probiotic powder to the prebiotics to the plant dry powder or extract is (1-20): (1-30): (1-20); and the weight ratio of the components of the anti-oxidation layer is that the weight ratio of the mono / diglycerol fatty acid ester to the linseed oil is (1-5): (70-99). The invention further discloses a preparation method of the high-activity probiotic product with the gastrointestinal tract regulating function, and the preparation method is easy to operate, low in production cost and suitable for industrial large-scale production.

The invention relates to a method for extracting cis-form carboxylic acid and trans-form carboxylic acid from mixed acid with cis-form and trans-form carboxylic acid isomers. The method includes the steps that the mixed acid with the cis-form and trans-form carboxylic acid isomers firstly reacts with ammonia gas to generate cis-form carboxylic acid ammonium salt and trans-form carboxylic acid ammonium salt, the cis-form carboxylic acid ammonium salt and the trans-form carboxylic acid ammonium salt are extracted from the mixed acid according to the characteristic that the solubility of the cis-form carboxylic acid ammonium salt in solvents and the solubility of the trans-form carboxylic acid ammonium salt in the solvents are different, and then the cis-form carboxylic acid ammonium salt and the trans-form carboxylic acid ammonium salt are reduced to be the corresponding cis-form carboxylic acid and the corresponding trans-form carboxylic acid through chemical reactions. The method can be used for industrialization mass production.

The invention relates to a method for making handmade paper by a dry method, wherein, bamboo is adopted as raw material, dry paper pulp is obtained after the bamboo is crashed, a dry paper pulp sheet can be obtained from the dry paper pulp by extrusion, the dry paper pulp sheet is further dispersed into fiber, and the dry paper pulp fiber enters an air channel in the suspension form under the action of an airflow generated by an induced draft fan and is intercepted by a polyester net to form a uniform dry paper pulp layer which is covered with a fixed layer; under the holding of the upper fixed layer and the lower polyester net, wet paper is formed by the dry paper pulp layer treated with water absorption by a water supplying tank, the wet paper is separated from the fixed layer and the polyester net after being extruded, and the handmade paper can be obtained form the separated wet paper by drying. The method for making the handmade paper has only one harmful chemical, i.e., alkali liquor which is added in the production process, and gas and liquid are not discharged in the production process to pollute the environment; in the pulping process, the pulp outcome rate of the raw material reaches more than 95 percent, the sizing agent does not need washing and can not be lost, thus utilizing the bamboo resources maximally and saving the raw material.

The invention discloses a preparation method of pomalidomide. The preparation method of pomalidomide comprises the following step; in N,N-dimethylacetamide or a mixed solvent of N,N-dimethylacetamide and other solvents, carrying out reduction reaction shown in the formula (described in the specification) on hydrogen and a compound shown in a formula II in the presence of palladium on activated carbon, wherein other solvents can be alcohol solvents, ketone solvents or water. The preparation method of pomalidomide has the advantages of high yield, low solvent consumption and high purity and is also applicable to industrial large-scale production. The formula II is described in the specification.

The invention discloses an air-conditioning air duct pipe for a rail vehicle. The air duct pipe is a composite pipe, and from the inside to the outside is an inner side layer, a fiber-reinforced airgel felt layer and an outer side layer; the inner side layer and the outer side layer are solidified prepreg or sheet metal. The rail vehicle air-conditioning duct pipe of the present invention can be directly spliced ​​and installed; the fiber-reinforced airgel layer in the middle is light in weight, has an outstanding heat preservation effect, and is a non-combustible material, so that the rail vehicle air-conditioning duct pipe has excellent flame retardancy performance and thermal insulation effect; since the fiber-reinforced airgel material is encapsulated between the cured prepreg layers, after the air duct pipe is installed on the train, no matter how the train drives the air duct to vibrate, there will be no fiber reinforcement The airgel material has no powder falling problem, so the heat preservation effect is stable and long-lasting.

The invention relates to medical hemostatic sponge and a preparation method thereof. The hemostatic sponge is formed by bonding freeze-dried chitosan sponge and carboxymethyl chitosan sponge, and tertiary butanol is added to freeze-dried chitosan sponge and carboxymethyl chitosan sponge in the preparation process. The hemostatic sponge prepared through the process is good in crystal type, short in in-vivo degradation cycle, capable of continuously and effectively adhering to wounds, strong in dissolution resistance, good in hemostatic effect, high in production efficiency, free of toxic and side effects and free of irritation.

The invention discloses a cutting type steel plate machine, which comprises a hydraulic device (1) and a cutting device (6); it is characterized in that: the hydraulic device (1) is provided with a controller (8), the controller (8) A support (3) is provided on one side of the support (3); a cutting device (6) is provided under the support (3), and a cutting head group (7) is provided on the cutting device (6); the support (3) passes through the pipeline (2 ) is connected with the cutting head group (7), the cutting head group (7) is provided with a track (4), the cutting device (6) is provided with a conveying plate (9), and the conveying plate (9) is provided with There are fixed rollers (5).