44results about How to "Easy to use in industrial production" patented technology

The invention relates to a preparation method of arctigenin, which comprises the following steps: after pulverizing great burdock fruit, carrying out zymohydrolysis according to a self inherent hydrolase; extracting the medicinal material after zymohydrolysis to obtain a crude extract of the arctigenin and then purifying the crude extract of the arctigenin by a silica gel column chromatography method and a solvent recrystallization method to obtain a purified product of the arctigenin. The purity of the arctigenin is greater than or equal to 98%, and the yield is more than 2%. The arctigenin can be used as a bulk drug and is applied to the medicaments of various relevant diseases. The preparation method of the arctigenin has the advancement and the practical value that the method does not need to adopt an inflammable and explosive organic solvent to degrease the medicinal material, and the self inherent hydrolase of the great burdock fruit is also utilized to directly prepare the arctigenin from the medicinal material. The method is simple, convenient and practical and is more suitable for industrialized production. The preparation method adopts the self inherent hydrolase of the medicinal material for preparation and converts a compound, which is very rare at home and abroad at present.

The invention relates to an electromagnetic wave shielding film, and the film includes a shielding improvement layer, a shielding efficiency layer and a shielding protection layer which are sequentially compounded from bottom to top. The invention further provides a printed circuit board including the electromagnetic wave shielding film, and a preparation method of the circuit board. The electromagnetic wave shielding film provided by the invention has the advantages of good shielding efficiency, high abrasion resistance, ageing resistance and anti-deformation capacity and the like. The printed circuit board has good shielding property; the preparation method is easy to operate; and industrial production application is facilitated.

The invention relates to a sunscreen composition, which is prepared from the following components in parts by weight: 8-22 parts of sunscreen, 3-6.5 parts of skin-moisturizing oil, 1.2-5 parts of propylene glycol alginate, 0.15-0.45 parts of ethyl cellulose, 0.15-0.45 parts of propylene glycol isostearate, 58.2-82 parts of water, 1-5 parts of wetting agent and 0.5-4 parts of auxiliary material, wherein the auxiliary material comprises a thickening agent and a neutralizer. The invention further provides a preparation method and application of the sunscreen composition. The sunscreen composition disclosed by the invention has the advantages of being fresh and cool, easy to smear, waterproof, sweatproof and the like; the preparation method is suitable for industrial production, and can be used for preparation of cosmetics.

The invention provides a detection method of a battery. The detection method comprises the following steps of: detecting an environment temperature of a place where the battery is located and keeping the environment temperature to be constant; discharging the fully charged battery according to a predetermined discharge mode until discharge voltage of the battery reduces to a first voltage threshold value, and acquiring the discharge capacity C1 of the battery; charging the discharged battery according to a predetermined charge mode until the battery is fully charged, and placing the fully charged battery for a predetermined time T; discharging the battery again according to the predetermined discharge mode until the discharge voltage of the battery reduces to the first voltage threshold value, and acquiring the discharge capacity C2 of the battery; and acquiring a self-discharge rate K of the battery according to the discharge capacity C1, the discharge capacity C2 and the predetermined time T. The detection method provided by the invention effectively solves a problem that self discharge judgment is inaccurate because a voltage platform of a lithium iron phosphate battery is too gentle. In addition, the detection method is simple to operate, high in reliability, and convenient for industrial production applications.

The invention relates to a wine with a crocodile whip. The wine is prepared from the following raw materials in parts by weight: 50-150 parts of crocodile head, 10-100 parts of crocodile whip, Chinese white spirit and traditional Chinese medicinal components, wherein the traditional Chinese medicinal components are prepared from the following raw materials in parts by weight: 100-300 parts of radix puerariae, 50-200 parts of liquorice, 1.5-2.5 parts of ginseng, 50-200 parts of wolfberry fruits and 20-150 parts of Chinesedates. The invention further provides a preparation method of the wine with the crocodile whip. The wine with the crocodile whip provided by the invention has the efficacies of relieving fatigue, treating impotence and premature ejaculation and improving the immunity; the preparation technology is easy to operate; and industrial production is convenient to achieve.

The invention provides a high-temperature-resistant coating layer on a graphite substrate and a preparation method of the high-temperature-resistant coating layer. The preparation method comprises thesteps: firstly, pretreating the surface of a graphite base material, dipping the graphite base material in coating slurry, or directly spraying or brushing the coating slurry on the surface of the graphite base material, carrying out pre-heating treatment on the graphite base material, embedding the graphite base material with embedding powder, and sintering to form the high-temperature-resistantcoating layer on the graphite base material. The high-temperature-resistant coating layer has a good anti-oxidation effect and plays a role in protecting the graphite base material.

The invention relates to a lipstick.The lipstick comprises an inner layer and an outer layer for wrapping the inner layer.The inner layer is prepared from, by weight, an emulsifier 1-20%, a water phase component 5%-20%, an oil phase component 20%-80%, auxiliary materials 0.1%-10% and active ingredients 0.1%-10%.The outer layer is prepared from, by weight, auxiliary materials 0.1%-10%, active ingredients 0.1%-10% and the balance oil and wax.The invention further provides a preparation method of the lipstick.The lipstick has higher water content, has good water-retaining and moisturizing functions, is stable in quality and can be stored for a long time, a preparing process of the lipstick is easy to operate, and industrial production and application are promoted.

The invention discloses a preparation method of a ruthenium cobalt magnetic catalyst and an application thereof in selective hydrogenation. The preparation method comprises the following steps of: 1,dissolving Co (NO3)2 6H2O in water to prepare a solution a; 2, preparing a chlororuthenium acid aqueous solution, and adding the chlororuthenium acid solution into the solution a to prepare a solutionb; 3, preparing a polyvinyloxane ketone solution, and adding the polyvinyloxane ketone solution into the solution b to prepare a solution c; 4, preparing a sodium borohydride solution, adding the sodium borohydride solution into the solution c, stirring, filtering to obtain a filter cake, washing the filter cake with deionized water until the filter cake is neutral, drying the filter cake after washing, and grinding to obtain Ru-Co(OH)2. The prepared ruthenium cobalt magnetic catalyst is applied to catalytic conversion of furfural to furfuryl alcohol. The ruthenium cobalt magnetic catalyst can achieve the catalytic hydrogenation of furfural to prepare furfuryl alcohol and achieve green and low-carbonization industrial production.

The invention discloses a vitexin glucoside injection and a preparation method thereof. The injection employs vitexin glucoside as an active ingredient and water for injection as a solvent, wherein the effective dose of the active ingredient is 1-10 mg vitexin glucoside per 1 ml injection. The preparation method comprises the following steps of: weighing the vitexin glucoside and antioxidant according to the prescription quantities thereof, and adding the water for injection, which accounts for 80% of the prescription quantity, to the mixture of the vitexin glucoside and the antioxidant so that the mixture is dissolved; regulating the pH to a range of 5.5 to 7.5 by using 10% of sodium hydroxide solution; next, adding 0.1% of active carbon to the solution obtained in the previous step, stirring the solution evenly, decarbonizing and filtering the solution, leading the filtrate to flow through a filter membrane of 0.22 microns; adding the water for injection to the full quantity, and then performing filling and sealing; and finally, sterilizing the product in a water bath at 100 DEG C for 30 minutes. The vitexin glucoside injection solves the problems of taking effect slowly, low bioavailability and great difficulty in control of product quality in the existing hawthorn leaf preparation, and provides a new medicine for treating ischemic heart diseases for clinical therapy.

The invention provides a graphite high-temperature antioxidant capable of being quickly dried at normal temperature. The graphite high-temperature antioxidant comprises phosphate, a silane coupling agent, silica sol, a surfactant and a solvent. The application method comprises the following steps: pretreating the surface of the graphite base material, carrying out vacuum pressure impregnation on the graphite base material by using the graphite high-temperature antioxidant which is quickly dried at normal temperature, and standing in a normal-temperature environment for 0.5-1 hour. The graphitehigh-temperature antioxidant capable of being quickly dried at the normal temperature fully wets graphite blocks, enters air holes, seals the air holes and forms a protective layer so that the effectof isolating graphite from oxygen is achieved, and the high-temperature antioxidant effect is achieved. The high-temperature-resistant coating has a good anti-oxidation effect and plays a role in protecting the graphite base material.

The invention relates to an alligator egg liquor, made from: alligator eggs, baijiu and a traditional Chinese medicinal component. The alligator eggs 30-80 parts by weight are an egg white and yolk mixture of shelled alligator eggs. The traditional Chinese medicinal component comprises following components by weight: Radix Puerariae 100-300 parts, Radix Glycyrrhizae 50-200 parts, Radix Ginseng 1.5-2.5 parts, Fructus Lycii 50-200 parts and Fructus Jujubae 20-150 parts. The invention also provides a preparation method of the alligator egg liquor. The alligator egg liquor is effective in relieving fatigue, improving immunity and treating hypertension and cardiovascular diseases, the preparation process is easy to operate, and the alligator egg liquor is convenient to industrially produce.

The invention discloses a method for constructing an isoeugenol monooxygenase active aggregate and a method for producing vanillin by transforming isoeugenol. The construction method comprises the following steps: S1, constructing recombinant escherichia coli for producing an isoeugenol monooxygenase active aggregate, namely binding oligopeptide 18A with an amphiphilic self-assembly function with a target gene monooxygenase active aggregate to construct an isoeugenol monooxygenase-18A active aggregate, and expressing in escherichia coli to obtain recombinant escherichia coli; and S2, producing the isoeugenol monooxygenase active aggregate with the constructed recombinant escherichia coli, namely performing cultural optimization and induction on the constructed recombinant escherichia coli, centrifugally collecting the induced strain, and disrupting cells to obtain crude enzyme which is the isoeugenol monooxygenase active aggregate. The method realizes efficient production of vanillin and is convenient for industrial production and application.

The invention provides a method for preparing a graphite high-temperature-resistant composite coating through cooperation of electrochemistry and impregnation. The method is characterized in that firstly, pre-treating the surface of a graphite base material; carrying out electrochemical deposition on a SiC/Si/C coating in the matrix suspension, drying the surface solvent in a drying oven, dippingin a phosphate coating or brushing with the phosphate coating, carrying out pre-heating treatment on the graphite substrate, and finally sintering to form the high-temperature-resistant composite coating on the graphite substrate. The high-temperature-resistant coating has a good anti-oxidation effect and plays a role in protecting the graphite base material.

The invention discloses a rivastigmine transdermal patch and a preparation method thereof. The method includes: dispersing rivastigmine or salt thereof, phospholipid and water-soluble auxiliary materials into an organic solvent, and using a spray drying method or a reduced-pressure drying method to remove the solvent to obtain powder; preparing an adhesive layer comprising liquid paraffin and styrene-isoprene-styrene block copolymer, heating the adhesive layer under 55-70 DEG C for 2-10 hours, evenly attaching the powder to the surface of the adhesive layer, and cooling to normal temperature at the cooling speed of 1-15 DEG C/h to obtain the transdermal patch. The transdermal patch has the advantages that the separating out of active drug crystals in the high-drug-loading-capacity patch can be inhibited as much as possible, the transdermal release rate of the active drug rivastigmine can be increased, and the patch is low in irritation.

The invention relates to a method for using a pulsed electric field to kill insects and sterilize tobacco, which belongs to a plant preservation method, in particular to a method for using a high-voltage pulsed electric field to eliminate tobacco leaf fungus in tobacco. In the method, the tobacco leaves placed between the electrodes are acted on by low-frequency impact pulses with a pulse amplitude of 10-15Kv/cm for a certain period of time to kill insects and bacteria. One-way positive pulse or one-way negative pulse, or two-way pulse can be used. Through experiments, the invention can eliminate insects and fungi on the tobacco leaves in a short period of time. The invention has no pollution and secondary pollution, strong sterilizing power, low power consumption, safety and reliability, and is easy to use in industrialized production.

The invention relates to a two-stage gating device for infrared screen receiving elements. The two-stage gating device for the infrared screen receiving elements comprises a processor, a pre-gating control circuit and a latch gating control circuit. The processor outputs a latch signal to the latch gating control circuit and outputs a gating message of a next set of receiving elements to the pre-gating control circuit at the same time. The invention further provides a gating method of the two-stage gating device for the infrared screen receiving elements. In the working process of the current set of receiving elements, the processor sends the gating message of the next set of receiving elements to the pre-gating control circuit, the pre-gating control circuit converts the gating message into corresponding gating signals of the next set of receiving elements, and the latch signals output by the processor latch the gating signals of the next set of receiving elements to the latch gating control circuit. After the current set of receiving elements finish working, the latch gating control circuit releases the gating signals of the next set of receiving elements to a receiving element matrix, and then the next set of receiving element start to work. By the gating mode, the gating time is largely shortened.