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42results about How to "Convenient source of raw materials" patented technology

High heat conduction and high attenuation backing material for ultrasonic phased array probe and manufacturing method thereof

A high heat conduction and high attenuation backing material for ultrasonic phased array probe is made from lutecium oxide, alumina, a tungsten compound material and an epoxy adhesive and is characterized in that the epoxy adhesive is prepared by mixing epoxy resin E-54 and triethanolamine; the tungsten compound material is prepared by mixing rubber and a tungsten powder; and the alumina accounts for 10.48-53.04wt% of the backing material. A manufacturing method of the backing material comprises the following steps of: (a) mixing the epoxy resin E-54, lutecium oxide, alumina and the tungsten compound material with stirring, wherein the epoxy resin E-54 accounts for 6.22% the total weight of the backing material and alumina accounts for 10.48-53.04wt% of the backing material; (b) adding triethanolamine which accounts for 0.95% the total weight of the backing material into the above composite particles with stirring; (c) putting the composite particles into a die, and extruding the composite particles into the required backing material by the use of a powder pressing machine; and (d) putting the pressed backing material into an air-blasting heating oven of 65 DEG C for heating-curing. The thermal conductivity of the backing material is 1.782W/(m.k), its specific acoustic impedance is 8.42*106Pa.s/m and its acoustic attenuation coefficient at 5MHz is 294.4dB/cm. The backing material has high thermal conductivity and high attenuation. In addition, the sensitivity and resolution of the phased array probe produced by the use of the backing material can satisfy the requirement for application.
Owner:广州多浦乐电子科技股份有限公司

Method for preparing melamine phosphonate flame-retardant-anti-crease integrated dressing agent for cotton

The invention relates to a method for preparing cotton-used melamine phosphonate flame-retardant and crease-resistant finishing agent, comprising the following steps: (1) formalin solution and water are obtained and stirred, pH value is adjusted, melamine is added, and a product (I) with water content of less than 15 percent is obtained after separating and drying; (2) methanol is put into a reactor, hydrochloric acid is used for adjusting pH, the product (I) is added, dissolving and heat preservation are carried out, NaOH is used for adjusting pH, and a product (II) is obtained by suction filtration; the product (II), dimethylphosphite and absolute ethyl alcohol are added into the reactor and stirred at room temperature, and heating and heat preservation are carried out; (3) triethylamine is used for adjusting pH value, reaction at the preserved temperature and measurement of turbidity are carried out, heating is stopped when the turbidity is 30 DEG C, the finishing agent is obtained after cooling and adding organic solvent. The method is simple and safe and has good reproduction quality, good flame-retardant and crease-resistant quality, in addition, oxygen index still exceeds 27 after 50 times of standard washing, creasy recover angle reaches 188.5, thus the finishing agent can be used as a durable flame-retardant and crease-resistant finishing agent.
Owner:DONGHUA UNIV

Ceramic product, preparation method thereof, prepared inner container of drinking fountain and drinking fountain

The invention discloses a ceramic product, a preparation method thereof, a prepared inner container of a drinking fountain and the drinking fountain. The ceramic product is prepared from the following raw materials in parts by weight: 10-25 parts of feldspar, 10-20 parts of purple sand, 10-15 parts of attapulgite, 15-30 parts of quartz, 10-25 parts of clay, 10-20 parts of stone needle, 15-30 parts of Maifan stone and 10-30 parts of Nishan stone. The ceramic product disclosed by the invention has the beneficial effects that the purple sand, the Maifan stone and broken powder from a variety of ore plants are taken as raw materials, and the purple sand, the Maifan stone, the stone needle and the Nishan stone contain trace elements which are beneficial to human bodies, so that the ceramic product can adsorb peculiar small in running water and poor-quality water, activate the running water and the poor-quality water into active mineralized water, increase the oxygen content in water, generate weak alkaline water with the pH value of 7.3-8.0, regulate the acid-base balance of the human body, realize an anti-oxidation effect, remove excess free radical rubbish in the human body, enable people to absorb more minerals by long-term drinking and adjust metabolism.
Owner:胡桂亮

Double-screw adjustable multifunctional horse stool and floor size control method based on horse stool

The invention discloses a double-screw adjustable multifunctional horse stool and a floor size control method based on the horse stool. The horse stool comprises an upper circular disc and a lower circular disc, a leveling column and a sleeve with internal thread are arranged on the upper surface of the upper circular disc,an adjusting screw and a lower opening protective layer control column arearranged on the lower surface, the adjusting screw and the sleeve are matched and connected in a threaded mode, the thickness of the leveling column and the thickness of an upper opening reinforcing steel protective layer are matched, the thickness of the lower opening protective layer control column and a lower opening reinforcing steel protective layer are matched,the upper circular disc is fixedly connected with the upper part of a floor reinforcement cage, and the lower circular disc is fixedly connected with the lower part of the floor reinforcement cage. According to the double-screw adjustable multifunctional horse stool and thefloor size control method based on the horse stool,a four-in-one manner is adopted, control of panel thickness, steel bar spacing, the protective layer, andthe flatness of the floor surfaceare simultaneously completed, the qualification rates of floor thickness and roof flatness are greatly improved, good reputation from owners is obtained, additional expenses of speeding up processes are lowered for an enterprise, good social benefits are created, complaints on a project are reduced, social harmony is promoted, and a route of environmental protection engineering is embarked on.
Owner:ZHEJIANG DAHUA CONSTR GROUP

Preparation of tamoxifen citrate microcapsule prepared by complex coacervation method

The invention relates to a complex coacervation method for preparing the tamoxifen citrate microcapsule, the steps include: (1) the capsule core tamoxifen citrate is weighed and dissolved in 95 percent of ethanol for ultrasonic dissolution, Arab gum solution is added, the mixture is treated ultrasonically in a water bath, then the gel water solution is added, and the water bathing and stirring are carried out to control the weight ratio of the capsule core and the capsule material; (2) 10 percent of glacial acetic acid is added to adjust the pH value to 4.0 to 4.3 during the stirring process, distilled water is added for dilution, the high-speed stirring is carried out, then the mixture is arranged in an ice bath for rapid temperature-decreasing to 0 to 10 DEG C, and crosslinker is added for curing; (3) 20 percent of NaOH solution is used for adjusting the pH value, the high-speed stirring is carried out at 0 to 10 DEG C, and the tamoxifen citrate microcapsule can be obtained by curing, centrifugalizing, washing, freezing, decompression and drying. The method is simple, safe and good in reproducibility, and the prepared microcapsule is proved to have the better sustained-release function by transdermal and in vitro dissolution results, so the invention can be taken as the drug sustained-release formulation for the prevention and treatment of breast cancer.
Owner:DONGHUA UNIV

Mulberry and fructus lycii ferment and preparation method thereof

The invention relates to the field of food processing, and discloses mulberry and fructus lycii ferment and a preparation method thereof. The preparation method comprises the following steps: dried fructus lycii is cleaned and soaked; fresh mulberries are washed; the mulberries and the fructus lycii are mixed, and water is added for pulping; citric acid is added into pulp to adjust the pH value, and a compound enzyme composed of cellulase, hemicellulase, ligninase and pectinase is added for enzymolysis; microwave enzyme deactivation is conducted on the pulp subjected to enzymolysis; honey is added, and the pulp is inoculated with a composite strain consisting of bifidobacterium longum, lactobacillus acidophilus and bifidobacterium adolescentis for fermenting; and the fermented pulp is sterilized and filtered, and a sweetening agent is added into filtrate, and thus the mulberry and fructus lycii ferment is obtained. The mulberry and fructus lycii ferment and the preparation method thereof have the advantages that a technology of enzymolysis and fermentation in sequence is adopted in the processing process, so that the taste of raw materials and the naturalness of nutritional characteristics are kept, organic macromolecules are converted into micromolecules, and nutrient substances are completely released for complete fermentation and are more easily absorbed by a human body.
Owner:上海共得健康科技集团有限公司

Distiller's yeast and preparation method thereof

The invention discloses distiller's yeast and a preparation method thereof, and relates to the technical field of preparation of the distiller's yeast. The distiller's yeast is prepared from the following raw materials in parts by weight: 25-50 parts of liquor medicinal herbs, 30-60 parts of rice and 10-15 parts of Chinese herbal medicines. The preparation method of the distiller's yeast comprisesthe following steps: S1, taking the liquor medicinal herbs in the parts by weight, drying in the sun, and grinding; S2, taking the rice in the parts by weight, and grinding into powder; S3, taking the Chinese herbal medicines in the parts by weight, drying in the sun, and grinding; S4, mixing the powder obtained in the S1, the S2 and the S3, and evenly stirring to obtain mixed powder, then addingwater, evenly stirring, and kneading into distiller's yeast pills; S5, placing the distiller's yeast pills at a shade place, keeping the distiller's yeast pills out of the sun, placing the distiller's yeast pills in the sun and drying for 1.5-3 days after a layer of fluff separately grows on the distiller's yeast pills so as to obtain the distiller's yeast. After the method for preparing the distiller's yeast is adopted, other enzyme does not need to be added for pretreatment, so that the making processes of the distiller's yeast are reduced; furthermore, the preparation method is simple andlow in cost; the distiller's yeast prepared by the method is good in quality and beneficial to popularization and use.
Owner:灵川县胜腾果蔬种植专业合作社

Cactus granule preparation with health-caring functions and preparation method thereof

The invention relates to a cactus granule preparation with health-caring functions and a preparation method thereof. The cactus granule preparation with the health-caring functions is prepared by mixing edible cactus with an appropriate amount of auxiliary materials, wherein the auxiliary materials are xylitol, maltodextrin and magnesium stearate; and the edible cactus and the auxiliary materialsare mixed according to the following percentage by weight: 85-94% of edible cactus, 5-12% of xylitol, 0.5-1.5% of maltodextrin, and 0.5-1.5% of magnesium stearate. The preparation method of the cactusgranule preparation with the health-caring functions comprises the following steps of selecting materials, removing needles from the selected cactus, carrying out washing, carrying out slicing, carrying out air-drying, carrying out grinding so as to obtain powder, carrying out mixing, and carrying out packaging. The cactus granule preparation with the health-caring functions prepared by adoptingthe preparation method disclosed by the invention is free of any additives, and thus, the cactus granule preparation with the health-caring functions is a purely natural product. Being frequently taken, the cactus granule preparation with the health-caring functions is capable of effectively reducing blood lipid, blood glucose, blood pressure and cholesterol of the human body; moreover, the cactusgranule preparation with the health-caring functions is also capable of enhancing physique, and improving immunity of the human body to diseases. The cactus granule preparation with the health-caringfunctions fully utilizes local resource advantages, and extends the industrial chain of the cactus. The cactus granule preparation with the health-caring functions has very wide market prospects in the aspects of production and consumption.
Owner:习水红四渡仙人掌产业有限公司
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