33results about How to "Easy formulation" patented technology

The invention discloses a medlar polysaccharide chewable tablet and a preparation method thereof. The medlar polysaccharide chewable tablet is prepared from a medlar extract, dextrin, menthol and magnesium stearate. The chewable tablet has the advantages that the chewable tablet is sour and sweet in flavor, good in taste, easy to chew, easy to absorb, and free of thrill on gastrointestinal tracts, can achieve the effect of immune adjustment in people taking the chewable tablet, can play the roles of resisting aging, tumors, fatigue, and oxygen deficit, reducing blood sugar and blood pressure, improving the immunity of the organism and the like, and is suitable for all peoples and any sensitive people. The medlar polysaccharide chewable tablet does not contain micromolecule sugar, and is suitable for diabetics.

The invention discloses a solid propellant formulation energy optimization design method based on a genetic algorithm. The method comprises a first step of modeling, and building an energy characteristic calculation model of solid propellant according to a minimum free energy principle; a second step of setting and storing initial parameters, inputting component species used by the solid propellant, and a chemical formula and a quality proportion range of each component, and inputting species of combustion products produced by the solid propellant after being combusted, and chemical formulas and relative molecular mass of all the combustion products or selecting all the combustion products in a combustion product data base; and a third step of calling a genetic algorithm module by a data processor, and conducting optimization design to quality proportion of the designed solid propellant. The solid propellant formulation energy optimization design method based on the genetic algorithm is simple in steps, reasonable in design, convenient to achieve, good in using effect, capable of fast obtaining an optimum proportion of highest specific impulse of the solid propellant and effectively overcoming the defects, existing in an existing solid propellant compound design process, of being high in energy characteristic test cost, long in period, large in test dose, and the like.

The invention provides a jujube seed oil soft capsule and a preparation method thereof. The jujube seed oil soft capsule is prepared from jujube seed oil by a modern preparation technology; and an animal function and human oral administration shows that the jujube seed oil soft capsule has functions of improving sleepiness and improving the sleeping quality.

The invention discloses a method for solid-propellant plume characteristic virtual experiments and flume data structure gridding. The method includes 1, initializing parameter setting and storing, 2, calculating energy characteristic parameters, 3, calculating engine plume fields, 4, performing grinding processing on gaseous-product flume field data structures, and 5, performing gridding processing on condensed-phase-product flume field data structures. The step 4 includes reading gaseous-product flume field data in jet stream areas, establishing structure grid charts and performing gridding processing on the gaseous-product flume field data structures. The step 5 includes initialing parameter setting, reading particle trajectory data, acquiring grid quantity at inlets of spraying tubes, determining up and down borders of grids and performing gridding processing on the condensed-phase-product flume field data structures. The method is simple in procedure, reasonable in design, convenient to implement and good in using effect, plume characteristic virtual experiments can be simply, conveniently and rapidly completed, and plume field data based on unstructured grids can be converted into corresponding data based on structured grids for follow-up calculation.

The invention discloses a virtual evaluation method for secondary smoke characteristic of a solid propellant based on a plume field. The method disclosed by the invention comprises the following steps of: I, setting and storing an initial parameter; II, calculating an energy characteristic parameter; III, calculating an engine plume field; and IV, calculating a secondary smoke characteristic value, invoking a pre-established secondary smoke relative humidity calculation model via a data processor, and calculating and acquiring secondary smoke relative humidity RHamb at each position on a spraying tube axis in the engine plume field after combusting the evaluated solid propellant by combining a calculation result of the engine plume field acquired in the step III. The method disclosed by the invention is simple in steps, reasonable in design, convenient to realize and good in using effect and can effectively overcome the defects of large investment of manpower and material resources, long period, great test amount and the like when the smoke signal performance of the solid propellant in the prior art is evaluated.

The invention belongs to the pharmacy field of traditional Chinese medicine and relates to a lipid preparation containing radix gentianae totalglycoside-phospholipid complexes and a preparation method thereof. The lipid preparation of the invention is formed by dissolving phospholipid complexes (which are formed by phospholipids and radix gentianae totalglycosides, which is the effective part of the traditional Chinese medicine) in one or a plurality of middle chain or long chain aliphatic acid glyceride(s) or in an oil phase with amphiphilic surfactants added thereto to prepare an oil solution composition; or dissolving the phospholipid complexes in a mixed solution which contains a certain proportion of surfactant, co-surfactant and oil phase to prepare a self-microemulsifying composition. The composition of the invention can substantially raise the capability of the radix gentianae totalglycoside-phospholipid complexes to penetrate biomembrane and enhance the biological availability of the radix gentianae totalglycosides.

The invention discloses a buccal tablet with composite vitamin C sodium and a preparation method thereof. The buccal tablet comprises the following components in parts by weight: 500-1500 parts of fresh watermelon, 100-300 parts of vitamin C sodium, 150-250 parts of isomaltulose, 100-250 parts of Arabic gum, 40-150 parts of honey and 0.5-2 parts of magnesium stearate. The buccal tablet disclosed by the invention has the beneficial effects that the original juice and the original flavor of the watermelon are retained, the function of the vitamin C sodium is enhanced, so that the buccal tablet is a good vitamin supplement and a health product; and the buccal tablet is unique in production process, good in product forming, simple in process and easy in process operation and is applicable to industrial production.

A method for producing a fine powder of loxoprofen sodium dihydrate for pharmaceutical preparations, said method comprising milling loxoprofen sodium dihydrate crystals or a crystalline powder of loxoprofen sodium dihydrate with an impact mill, preferably a pulverizer-type mill, which is provided with a built-in air-classifying system and comprises a pin hammer, to thereby continuously produce a fine powder of loxoprofen sodium dihydrate the volume-average particle size of which is in the range of 20-120 [mu]m, when measured with a laser diffraction particle size analyzer.

The invention discloses a solid propellant smog characteristic virtual evaluation method based on a plume field. The method includes the steps of (1) setting and storing an original parameter, (2) calculating an energy characteristic parameter, (3) calculating the plume field of an engine, (4) calculating a first-time-smog feature value, calling a calculation model of a first-time-smog shielding rate and by reference to the calculation result of the plume field, calculating first-time-smog shielding rates k at all positions of a spray pipe axis in the plume field of the engine after an evaluated solid propellant is combusted, and (5) calculating a second-time-smog feature value, calling a calculation model of relative humidity of second-time-smog, and by reference to the calculation result of the plume field, calculating the relative humidity RHamb of the second-time-smog at all positions of the spray pipe axis in the plume filed of the engine after the evaluated solid propellant is combusted. The method is simple in step, reasonable in design, convenient to achieve, good in use effect, and capable of effectively overcoming the defects that when existing solid propellant smog signal performance is evaluated, labor and material investment is large, the cycle is long and a large number of tests need to be conducted.

A Chinese herbal medicinal buccal tablet for resisting helicobacter pylori contains supercritical CO2 extracted Chinese herbal medicinal active composition for resisting helicobacter pylori and buccal tablets ground substance; wherein the extracted Chinese herbal medicinal active composition accounts for 0.5-10wt% of the total weight of the oral cavity spray, and the water buccal tablets ground, the rest.The houttuynia active matter extracted by supercritical CO2 extraction separation technology is applied in the Chinese herbal medicinal buccal tablet, which well solves conventional extraction technological defect of the Chinese herbal medicinal active composition for resisting helicobacter pylori, thus, the Chinese herbal medicinal active composition for resisting helicobacter pylori and having definite component is obtained and is particularly suitable as medicine additive of the Chinese herbal medicinal buccal tablet. Therefore, Chinese herbal medicinal buccal tablet has high content of the Chinese herbal medicinal active composition for resisting helicobacter pylori and good helicobacter pylori inhibiting and killing effect and can be prepared reliably.

The invention relates to modified powder, which comprises basic powder and a surface modifier attached to the basic powder, the surface modifier comprises perfluoropolyether and fluorosilane, and the mass of the perfluoropolyether and the mass of the fluorosilane both account for 0.5%-10% of the mass of the basic powder. The invention also relates to a preparation method of the modified powder and a cosmetic containing the modified powder. According to the invention, the perfluoropolyether and the fluorosilane are adopted to jointly modify the basic powder, so that the modified powder has a moderate oil absorption value on the basis of keeping the hydrophobic and oleophobic characteristics. Therefore, when the modified powder disclosed by the invention is used in cosmetics, the cosmetics are good in skin fitting property, good in skin feeling, stable in quality and excellent in safety to organisms and environment. Particularly, when the modified powder disclosed by the invention is applied to the makeup cosmetics, the makeup cosmetics also have excellent makeup holding performance due to the moderate oil absorption value. In addition, the process of carrying out surface modification treatment on the basic powder is simple, and the safety is high.

The invention discloses buccal tablets containing walnuts, and a preparation method of the buccal tablets. The buccal tablets are prepared from the following raw materials in parts by weight: 100-300 parts of walnut kernel, 50-150 parts of sodium L-ascorbate, 100-250 parts of isomaltitol, 150-350 parts of Arabic gum, 100-250 parts of honey and 1-5 parts of micropowder silica gel. The buccal tablets maintain the original taste and flavor of the walnuts and enhance the function of the sodium L-ascorbate, thus being a good vitamin supplement and a good health product for strengthening the brain; the buccal tablets are unique in production technology, good in product molding, simple in technology and easy to operate, and are suitable for industrial production.

A cyclobutane dicarboxylic acid platinum complex, an intermediate thereof, a preparation method thereof, a pharmaceutical composition and a purpose are shown as a formula (I). The cyclobutane dicarboxylic acid platinum complex has good antitumor activity. The complex provided by the invention has more than several dozen times increase in water solubility compared with that of existing platinum antitumor drugs, and the high-water solubility characteristic can increase and improve excretion of drugs in kidney, alleviates high renal toxicity side effects of platinum drugs, also enables compoundsto be easy to formulate, and is more convenient for clinical application.

The invention discloses high-PRI constant-Mooney-viscosity natural rubber and a preparation method thereof, and belongs to the technical field of natural rubber processing. The high-PRI constant-mMooney-viscosity natural rubber is prepared by adding a certain proportion of whey protein and constant-viscosity agent hydrazinoethanol into crepe rubber, the production method is simple, low in cost and high in efficiency, the PRI of the high-PRI constant-Mooney-viscosity natural rubber reaches 85% or above, the natural rubber has excellent tensile strength and tear strength and stable Mooney viscosity, can be directly mixed with other materials without plastication to prepare high-performance rubber products, can be used for aviation products, military products, high-speed rail vibration reduction and other rubber products with high-strength requirements, and is worthy of wide popularization and application.

The invention discloses a health-care food having the function of easing constipation and a preparation method of the health-care food. The health-care food comprises the following raw materials and auxiliary materials in parts by weight: 50-70 parts of raw fleeceflower roots, 50-70 parts of radix angelicae sinensis, 20-50 parts of folium sennae, 5-20 parts of aloe, 1-5 parts of dextrin, and 0.1-0.5 part of magnesium stearate. The health-care food is prepared through the following working procedures of performing extraction on the raw materials according to the quantity of a formula, performing filtering, performing concentration, performing drying, performing screening, performing mixing, performing filling to capsules, performing polishing, performing inside and outside packing, performing irradiation sterilization and the like. The health-care food has the functions of benefiting the lung, invigorating the spleen, removing heat from the liver, purging away the heat, nourishing yin, tonifying blood and loosening bowel to relieve constipation, and also has the advantages of being convenient, safe and effective to take, free from toxic and side effects, and the like, and the raw materials are easy to obtained and the cost is low. The health-care food is in the manner of capsules ( 0.45g/ granule ), each person only needs to take two granules once every day, and the health-care food is low in dosage, high in drug effect, and convenient to carry and take, so that the process of easing constipation is not tedious, and good effects of easing constipation can be guaranteed.

The invention relates to a preparation method of changtongshu granules. The method comprises the following steps: a supercritical fluid extraction technique, with the extraction pressure 25Mpa, the extraction temperature 35 DEG C, the extraction time 1 hour, and the flow of CO2 20kg/hour; centrifugating the extraction solution, with the centrifugal parameters as follows: the temperature of the liquid medicine 75-90 DEG C, the centrifugal rotating speed 6900 r/min, and the feeding speed 2.0 m < 3 >/h; concentrating the centrifugate until the relative density is 1.08 (60-70 DEG C); after coolingto room temperature, adding the same amount of ethanol, uniformly stirring, standing, and concentrating the supernatant into clear paste with the relative density of 1.15-1.20 (60-70 DEG C); and conducting vacuum belt type drying, with the vacuum belt type drying parameters as follows: the temperature of a heating system 95 DEG C in a first zone, 90 DEG C in a second zone, 75 DEG C in a third zone and 30 DEG C in a fourth zone, the feeding speed 20L/h, the crawler speed 8HZ, then adding a proper amount of dextrin and steviosin to prepare 1000g of granules, and drying the granules to obtain the product.