53results about How to "In line with industrial production" patented technology

The invention relates to a high-thermal-oxidative stability and heat-resistant regeneration nylon material which comprises the following raw materials by mass percent: 46%-68.1% of regeneration nylon resin, 25%-35% of glass fibers, 3%-8% of a flexibilizer, 0.2%-1.0% of an antioxidant, 0.5%-2.0% of a lubricant, 2%-4% of a thermal stabilizer, 1.0%-3.0% of black masterbatch and 0.2%-1.0% of a hydrolysis-resistant agent. A preparation method of the regeneration nylon material comprises the following steps: 1, drying; 2, proportioning the raw materials; 3, stirring to be uniform; 4, extruding and granulating. According to the regeneration nylon material, the mechanical performance and the heat-resistant performance are greatly improved under combined action of functional aids, and a product can be used for a long term in a high-water-temperature environment. The current product is successfully applied to preparation of the cooling water tank of a tractor and replaces primary aluminum iron to manufacture the water tank.

The invention discloses a high-efficiency energy-saving white wine continuous distillation method, which solves the problems of incapability of continuous production, very low efficiency and high energy consumption in the existing white wine distillation mode, and the problems of incapability of large-scale production and dependence of operation on experience in the distillation process. The device comprises a first distillation kettle, a second distillation kettle, a third distillation kettle, a first reboiler, a second reboiler, a distillation tower and a condenser set. The device can perform uninterrupted distillation on vinasse, thereby enhancing the distillation efficiency; and the device can implement the traditional technique of leaving out the beginning and the end, and can effectively separate aldehydes, methanol, other impurity alcohols and other substances harmful to the human body in the vinasse, thereby promoting the improvement of the white wine quality and being more beneficial to health of the drinker.

The vancomycin hydrochloride injection consists of medicine vancomycin hydrochloride in 90%-99% and supplementary material in 1%-10%, and is prepared into powder for injection with supplementary material of stabilizer and / or antioxidant. The medicine powder has potency higher than 900 IU / mg, and is dissolved in water to form 50 mg / ml solution with absorbance at 465 nm lower than 0.065 and pH 2.0-4.0. It is prepared through freeze drying process. The vancomycin hydrochloride injection of the present invention has simple preparation process, common medicinal supplementary material citric acid, glycine, L-cysteine etc, and high normal temperature storage stability.

The invention discloses recycled self-compacting concrete and a preparation method thereof. The recycled self-compacting concrete comprises the following components in parts by weight: 220 to 260 parts of cement, 160 to 190 parts of water, 780 to 800 parts of broken stone, 150 to 158 parts of a recycled material, 80 to 85 parts of mineral powder, 10 to 14 parts of an expanding agent, 720 to 750 parts of sand, 3 to 7 parts of a water reducer, 2 to 10 parts of a viscosity modifier and 110 to 117 parts of coal ash; and the recycled material comprises the following components in parts by weight: 20 to 40 parts of iron tailings, 10 to 20 parts of building waste and 20 to 30 parts of steel slag powder. The recycled self-compacting concrete disclosed by the invention has the advantages of high flowing property, filling property and segregation resistance, and the wastes of steel slag and iron tailings are utilized sufficiently.

The invention discloses a sausage with no nitrite and a preparation method thereof. The sausage is prepared from, by weight, 400-600 parts of streaky pork, 200-300 parts of chicken, 150-315 parts of soybean protein, 6-12.15 parts of salt, 6-12.15 parts of monosodium glutamate, 6-12.15 parts of chicken essence, 6-12.15 parts of white granulated sugar, 0.75-1.82 parts of five-spice powder, 1.125-24.3 parts of carrageenan, 7.5-18 parts of sodium alginate, 0.075-0.12 part of isoascorbic acid, 0.375-1.2 parts of tripolyphosphate, 1.5-3.0 parts of glucose lactone, and 0.75-1.94 parts of nitrite substitutes. The preparation method includes material selecting, meat mincing, preparation of the nitrite substitutes, preparation of sausage stuffing, sausage filling, boiling, cooling and packing. The nitrite substitutes are prepared from natural medicine and food homologous resources and extracts in microorganisms, and can be used as substitutes to prepare sausages. The prepared sausage has similarsensory quality with sausages prepared by sodium nitrite in the prior art, but can avoid harm brought by the sodium nitrite; and the sausage is a kind of delicious and healthy food, and can accord with demands of consumers on like products so that the sausage is suitable for industrial production.

The invention discloses an arctium lappa root suspension type solid beverage and an arctium lappa root extract solid beverage. Arctium lappa roots which are high in nutrient value are selected to be used as a production raw material for preparing the solid beverage, the arctium lappa root suspension type solid beverage is prepared from arctium lappa root wall-breaking ultra-fine powder, and arctium lappa root extracts, so that the utilization rate of the arctium lappa roots is increased, the arctium lappa root market is expanded, and economic development is facilitated; and besides, a making technology is simple, requirements for equipment are low, the cost is low, the arctium lappa root suspension type solid beverage and the arctium lappa root extract solid beverage completely conform to current factory equipment, and industrial production is performed.

A separation and purification process of acetylated aloe glucomannan from aloe juice includes adding special biochemical enzyme to aloe juice straining and ultrafiltering to obtain concentrated aloe juice; adding organic solution to concentrated aloe juice to extract coarse aloe polysaccharide, water washing and filtering; ultrafiltering and concentration to obtain water solution o purified acetylated aloe glucomannan; and freeze drying to obtain powder. The said process combines separation and concentration, maintains the activity of acetylated aloe glucomannan, and can be used in industrialproduction.

The invention provides a method for separating a plant antimicrobial peptide, the plant antimicrobial peptide and application of the plant antimicrobial peptide. The method for separating the plant antimicrobial peptide comprises the following steps that a certain mass of black sesame is taken, and an acetic acid solution is added into the black sesame; the black sesame and the acetic acid solution are subjected to ultrasonic treatment in an ultrasonic generator and then filtered to obtain an extract; the extract is heated in a water bath and then cooled to the room temperature; the extract iscentrifuged, a precipitate is discarded, and a supernatant is collected; the supernatant is dialyzed and concentrated in sequence to obtain a reverse phase chromatographic sample; the reverse phase chromatographic sample is subjected to reverse phase high performance liquid chromatography to obtain the isolated plant antimicrobial peptide. The method for separating the plant antimicrobial peptide, the plant antimicrobial peptide and application of the plant antimicrobial peptide have the advantages that the black sesame is used as a raw material for direct extraction, the cumbersome processesof peeling and degreasing are omitted, application of organic reagents is reduced, the operation difficulty is reduced, the production efficiency is improved, the production cost is reduced, and themethod is in accordance with industrial production. The prepared black sesame antibacterial peptide has a broad-spectrum antibacterial effect and a strong antibacterial effect on candida albicans, pseudomonas aeruginosa, staphylococcus aureus, escherichia coli and haemophilus influenzae and can be widely applied in in-vitro killing products, poultry and livestock feed additives and other fields.

The invention discloses a method for preparing a hexafluoropropylene oxide oligomer by using a high-activity emulsion layer. The method comprises the following steps: a, taking a certain amount of thehigh-activity emulsion layer according to a ration, putting the emulsion layer into a solvent, putting the mixed liquid into a reaction kettle, controlling the temperature at 10-40 DEG C, stirring for 0.5-1 h, and continuously introducing nitrogen during the stirring process to drive off air in the kettle and hydrogen fluoride produced by the emulsion layer; b, introducing a hexafluoropropylene oxide monomer at a certain rate, wherein the mass ratio of the emulsion layer to the hexafluoropropylene oxide monomer is 1:(2-50), and controlling the introducing rate of the hexafluoropropylene oxidemonomer at 50 to 800 sccm; c, stirring continually for 1-2 h after the reaction is completed to enable the reaction of hexafluoropropylene oxide in the kettle to be complete; and d, standing still for 0.5 h and discharging from the bottom. The invention overcomes the shortcomings of moisture absorption, side reaction generations and difficulties in recycling in the prior art.

A synthetic method of tadalafil is disclosed. The method adopts 3,4-dihydroxybenzaldehyde and methyl D-tryptophanate hydrochloride as initial raw materials, and prepares a product by condensation-cyclization, chloroacetylation, aminolysis-cyclization and methyl cyclization. The 3,4-dihydroxybenzaldehyde is adopted as the raw material. Nitrile, lower alcohol and nitroalkane are adopted as solvents for the condensation-cyclization. Ethyl acetate or dichloromethane is adopted as a solvent for the chloroacetylation. Lower alcohol which is cheap is adopted as a solvent for the aminolysis-cyclization. Compared with other routes, the method is characterized by simple and convenient separation and purification, simple reaction conditions, a high yield of each step (with the yield of each step being higher than 80%), a stable process and a short production period. The method is free of heliotropin with which narcotics can be prepared easily, is free of column chromatography and other purification processes and is suitable for industrial production.

The invention relates to a preparation method for extracting antibacterial peptides from wood frog bodies by using ultrasonic waves. A process for extracting biological antibacterial peptides disclosed by the invention comprises the following steps of: performing earlier stage cleaning treatment on dry wood frog bodies from which fat and ova are removed and which are taken as raw materials; performing acidifying treatment; extracting by adopting ultrasonic waves; and performing steps of centrifugal precipitation, filtration, concentration, collection and the like to obtain a wood frog antibacterial peptide concentrated solution. A novel process for directly extracting antibacterial peptides from wood frog bodies disclosed by the invention has the advantages of easy operation, high production efficiency, high yield, remarkable broad-spectrum bacterium-resisting and sterilizing efficiency, and the like, and can be widely applied to the fields of drugs, foods, fresh keeping of fruits and vegetables, daily cosmetics, feed additives and the like.

A separation and purification process of acetylated aloe glucomannan from aloe juice includes adding special biochemical enzyme to aloe juice straining and ultrafiltering to obtain concentrated aloe juice; adding organic solution to concentrated aloe juice to extract coarse aloe polysaccharide, water washing and filtering; ultrafiltering and concentration to obtain water solution o purified acetylated aloe glucomannan; and freeze drying to obtain powder. The said process combines separation and concentration, maintains the activity of acetylated aloe glucomannan, and can be used in industrial production.

The invention discloses a high-efficiency energy-saving white wine continuous distillation method, which solves the problems of incapability of continuous production, very low efficiency and high energy consumption in the existing white wine distillation mode, and the problems of incapability of large-scale production and dependence of operation on experience in the distillation process. The device comprises a first distillation kettle, a second distillation kettle, a third distillation kettle, a first reboiler, a second reboiler, a distillation tower and a condenser set. The device can perform uninterrupted distillation on vinasse, thereby enhancing the distillation efficiency; and the device can implement the traditional technique of leaving out the beginning and the end, and can effectively separate aldehydes, methanol, other impurity alcohols and other substances harmful to the human body in the vinasse, thereby promoting the improvement of the white wine quality and being more beneficial to health of the drinker.