46results about How to "The preparation process is practical" patented technology

The invention discloses a transparent thermal-insulation coating containing silicon oxide aerogel and a preparation method of the coating. The transparent thermal-insulation coating containing silicon oxide aerogel is characterized by mainly comprising transparent resin and aerogel powder. The preparation method of the transparent thermal-insulation coating containing silicon oxide aerogel comprises the steps as follows: (1) modification of aerogel powder; (2) surface coating of the aerogel powder in step (1); (3) mixing and stirring of the aerogel powder in step (2) and waterborne transparent resin. The transparent thermal-insulation coating containing silicon oxide aerogel has high visible light transmittance and low heat conduction coefficient, the preparation process of the coating is simple, and the coating is practical, excellent in performance, low in price and suitable for industrial production.

The invention provides a traditional Chinese medicine gastrointestinal auxiliary for type-B ultrasonic and a preparation method thereof, and the traditional Chinese medicine comprises the following raw medicinal materials: cumin, galangal, rhizome cyperi, three-nerved spicebush roots, cuttlebone, green tangerine peels, medicated leaven, malts, immature bitter orange, rheum officinale, mirabilite, cortex magnoliae officinalis, radix aucklandiae, amomum, agastache rugosa, finger citron, hawthorns, radish seeds, calcined concha arcae, evodia, pinellia ternate, semen arecae, atractylodes macrocephala koidz, rhizoma nardostachyos and fritillary bulb. The traditional Chinese medicine gastrointestinal auxiliary for type-B ultrasonic has the beneficial effects of being safe to use, painless, noninvasive, non-toxic, free from anaphylactic reaction, short in examination time, high in development rate, convenient to use and low in cost, providing a new technology and a new method for corrective early-stage diagnosis of diseases, and powerful basis for clinical diagnosis, and being a desirable novel auxiliary. Furthermore, the preparation process is simple and practical.

The invention discloses a method for preparing tungsten carbide nano-powder. The method comprises the following steps of: dissolving ammonium paratungstate and citric acid in deionized water, and performing complexation in water bath; filtering and drying to obtain a precursor of tungsten oxide, and calcining under air atmosphere to obtain tungsten oxide powder; putting the obtained tungsten oxide powder in a tube furnace, introducing ammonia and nitriding to obtain tungsten nitride powder; mixing the obtained tungsten nitride powder and carbon black, performing ball milling, performing rotary evaporation drying and performing heat treatment under the air pressure of less than 200 Pa or inert atmosphere; or putting the obtained tungsten nitride powder in the tube furnace, and introducing the mixed gas of methane and hydrogen and carbonizing to obtain the tungsten carbide nano-powder. The preparation process of the method is simple, practical, and high in controllability and can easily realize large-scale production; the particle size of the prepared powder is small, the particle size distribution is uniform and the aggregation degree is low; and the method has high sintering activity, and densification can be realized by performing hot pressing sintering at the temperature of 1,700 DEG C.

The invention provides a preparation method of tungsten carbide nanopowder. The preparation method comprises the following steps of: preparing a tungsten-carbon precursor by using soluble tungsten salt and organic acid as raw materials through a sol-gel method, and then carrying out heat treatment on the tungsten-carbon precursor to obtain the tungsten carbide nanopowder. The preparation method provided by the invention is simple and practical, avoids the multistep control mode of the traditional preparation methods, saves energy, and is suitable for industrial production; and the tungsten carbide nanopowder prepared by the invention has the advantages of uniform and small particle size (smaller than 50 nm), low aggregation degree, low impurity content and low residual carbon content (lower than 0.5wt%).

The invention provides a traditional Chinese medicine contrast medium adjuvant used for B ultrasonic, which comprises the following materials in part by weight: 10-20 parts of bighead atractylodes rhizome, 10-20 parts of poria cocos, 10-20 parts of turmeric, 10-20 parts of tangerine peel, 10-20 parts of cortex magnoliae officinalis, 10-20 parts of radix aucklandiae, 10-20 parts of Rhizoma atractylodis, 10-20 parts of cuttlebone, 10-20 parts of calcined oyster shell, 10-20 parts of Chinese yam, 10-20 parts of charred triplet, 10-20 parts of myristica fragrans, 10-20 parts of gizzard pepsin, 10-20 parts of rhizome cyperi, 10-20 parts of codonopsis pilosula, 10-20 parts of combined spicebush root, 10-20 parts of eclipta, 10-20 parts of jasmine, 10-20 parts of baical skullcap root and 10-20 parts of field pennycress. The traditional Chinese medicine contrast medium adjuvant used for B ultrasonic provided by the invention not only can adapt to stomach hyperfunction type, but also can adapt to decreased stomach function type, and also can be applied to the mixed type of various flatulence and mucinosis, check time is short, imaging rate is high, and preparation process is simple and practical. The contrast medium adjuvant has no obvious toxic side effect and has prospect on further development research.

The invention belongs to the technical fields of antifouling coatings and underwater coatings, and discloses a self-polishing antifouling coating excluding cuprous oxide and organic tin and a preparation method thereof. Problems that an existing antifouling coating is not environment-friendly, and the like, are solved. The coating provided by the invention is prepared from a film-forming substance, a capsaicin raw material, an environment-friendly antifouling agent, porous powder, a pigment, a filling material, an additive and a solvent. The preparation method comprises the following steps ofdispersing through multiple-time agitation. According to the antifouling coating provided by the invention, a compound antifouling agent is stored by utilizing the micron, the nanometer and a hole ofthe porous powder; afterwards, the porous powder and the compound antifouling agent are wrapped and isolated by utilizing silica and the compound antifouling agent; the irritation action, on production and construction personnel, of the compound antifouling agent can be decreased to some extent; the rate that capsaicin and the environment-friendly antifouling agent are released into seawater is effectively controlled; thus, the long-time and continuous favorable antifouling effect is more easily obtained; the self-polishing antifouling coating is safe and friendly to a marine environment. Thepreparation method provided by the invention is simple in process and practical and basic raw materials to which the preparation method relates can be all purchased on the market.

The invention relates to a method for preparing zirconia gradient porous ceramics with ice as a template. The method comprises: taking ice as a pore-forming template, adding distilled water, a Na2SiO3.9H2O binder, a yttrium oxide sintering aid and a ceramic powder water system dispersant into zirconia powder, conducting ball milling and mixing so as to obtain a stable suspending liquid, which, after vacuum pumping, is injected into a die for low temperature rapid freezing, carrying out vacuum freeze drying to a frozen sample, performing demoulding and then put it into a high temperature furnace for sintering, thus obtaining zirconia porous ceramics. The pore structure of the porous ceramics is completely decided by appearance characteristics of ice crystals. Compared with other porous preparation technologies, ice is an ideal template for making porous ceramics, and the process of the invention is characterized by environmental protection and low cost. The prepared zirconia porous ceramics have obvious gradient porous structures. The use of a binder in the invention can prevent a green body from cracking and deforming during drying, thus enhancing the mechanical strength of products. And adding of a yttrium oxide sintering aid can lower the sintering temperature. The prepared zirconia porous ceramics has compressive strength up to 8MPa.

The invention discloses a brewing method of a fructus corni vinegar drink. Fresh fructus corni which is medicinal and edible is used as a raw material, and liquid-state fermentation technology is adopted, so that yield and production efficiency are high; steps of vinegar spraying are not needed, and the fructus corni vinegar drink is brewed through steps of raw material pretreatment, water bath, ultrasonic treatment, preparation of a fructus corni fermentation medium, first-stage fermentation, second-stage fermentation, filtering, aging, sterilizing and canning. The fructus corni vinegar drink brewed by the method is bright red and transparent in color, mellow in fruit aroma and better in taste than conventional table vinegar and has excellent healthcare functions like delaying senility, softening blood vessels, promoting blood circulation and tonifying kidney and protecting liver, vinegar product type of China is enriched, conventional edible Chinese medicinal materials represented by fructus corni are developed better, and certain active promoting effect is realized. The brewing method is simple, practical and suitable for industrial production.

The invention provides fructus corni dry wine and a preparation method thereof. The method comprises the following steps: (1) separating the fructus corni fruits, cleaning, removing kernels and pulping; (2) adding sulfur dioxide, adjusting the pH of the pulp to 3.5-4.0 by use of citric acid, adding pectinase for enzymolysis, adding the required sugar once, and adding an active yeast for fruit wine; (3) performing primary fermentation at 25 DEG C for 15 days; (4) performing post-fermentation at 10 DEG C for 20 days; (5) aging for at least 100 days; (6) fining and clarifying, filtering with a plate-frame filter, and taking the filtrate to obtain the fructus corni dry wine. The preparation method provided by the invention is simple in process, practical and suitable for industrial production.

The invention relates to the field of traditional Chinese medicine application, and particularly discloses a development assistance traditional Chinese medicine used for B ultrasonography. The traditional Chinese medicine is prepared from raw materials including Loropetalum chinensis (R. Br.) Oliv leaves, pine pollen, Herba Clinopodii, girald pteroxygonum roots, lotus rhizome nodes, Melastoma dodecandrum Lour. roots, Agrimonia pilosa Ldb., bletilla roots, myrrh, curcuma longa, Sargentodoxa cuneata, olibanum, dry roots of Zanthor Mulum nitidum(Roxb.)DC., rhizome corydalis decumbentis, Corydalis yanhusuo W. T. Wang ex Z. Y. Su et C. Y. Wu, common camptotheca fruit, cortex albiziae, Valeriana officinalis L., seeds of Platycladus orientalis(L.)Franco, pearl and pseudo-ginseng according to a certain weight ratio. The traditional Chinese medicine is low in manufacturing cost, convenient to use, safe, free of toxic and side effects, and capable of increasing the excellent development ratio and improving detection accuracy, more gastrointestinal diseases can be examined through B ultrasonography, powerful foundation is provided for clinical diagnosis, and the preparation process is simple and practical.

The invention provides an adjuvant imaging traditional Chinese medicine preparation for ultrasonic examination and a preparation method of the preparation. The preparation is prepared from the following medicinal raw mateirals: coriander seed, rose leaves, latifolious rush rhizome, euodia trichotoma fruit, pratia fruit, vallisneria spiralis, hempleaf negundo chastetree leaf, radix lindera reflexa, rhizoma acori graminei, cortex albiziae, otolithum sciaenae, pinkflower ecdysanthera root and leaf, Chinese redbud fruit, Chinese waxgourd seed, sweet gourd rind, siebold primrose root and rhizome, daghestan sweetclover herb and arabian jasmine flower. The adjuvant imaging traditional Chinese medicine preparation has the beneficial effects of low cost, convenience in use, safety and no toxic or side effect, can be used for improving the proportion of excellent imaging and improving the examination accuracy, and is capable of inspecting more gastrointestinal diseases by B-mode ultrasound. The preparation provides powerful basis for clinical diagnosis, and the preparation process is simple and practical.

The invention provides a traditional Chinese medicine contrast agent for gastrointestinal B ultrasound, and a preparation method for the traditional Chinese medicine contrast agent. The traditional Chinese medicine contrast agent comprises the following raw herbal materials: gleicheniaceae dicranopteris amplea, thyrocarpus sampsonii, sophora davidii, lindernia ruellioides (Colsm) Pennell., herminium bulleyi (Rolfe) Tang et Wang, radix linderae leaf, chloranthus japonicus Sieb., involucrate balanophora, chalk, themeda triandra, ceylon cynoglossum, root of dentiferous dendropanax, japanese metaplexis pericarp, tangerine pith, ilex aculcolata nakai, bark or root of littleflower stringbush, malva verticillata L., and floscopa scandens. The traditional Chinese medicine contrast agent has the benefits that the cost is low, the use is convenient and safe, toxic and side effects are avoided, the ratio of good development is increased, and the inspection accuracy is improved, so that more gastrointestinal diseases can be inspected through B ultrasound, a powerful basis is provided for clinical diagnosis, and the preparation process is simple and practical.

Flavone compound and chromium compound are made to react to produce flavone chromium. Flavone chromium, unlike inorganic chromium compound being not easy to be absorbed by human body, has the comprehensive curative effect of both flavone and chromium compound and can promote and raise the sensitivity of insulin, soften and dilate blood vessel, improve microcirculation, regulate metabolism, prevent and cure diabetes, hyperlipomia, hypertension, and other diseases.