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65results about How to "The recipe ingredients are simple" patented technology

High-performance self-lubricating copper-based pantograph pan material and preparation method thereof

ActiveCN111360243ALower sintering temperatureImproved high temperature stability and ablation resistanceTransportation and packagingMetal-working apparatusGunmetalCopper matrix
The invention relates to a high-performance self-lubricating copper-based pantograph pan material and a preparation method thereof, and belongs to the technical field of high-speed carrying equipmentdevelopment. The self-lubricating copper-based pantograph pan material is prepared from, by mass, 40-70 parts of copper-tin alloy powder, 10-30 parts of pure copper powder, 4-12 parts of iron-copper alloy powder, 2-6 parts of copper-chromium alloy powder, 5-9 parts of lead powder, 1-4 parts of graphite powder and 1-3 parts of molybdenum disulfide. According to the preparation method, the copper-tin alloy powder, the iron-copper alloy powder and the copper-chromium alloy powder are adopted to replace elemental tin powder, iron powder, chromium powder and the like to serve as a reinforcing phase, the sintering temperature can be effectively reduced, and the problem of loss of the low-melting-point elemental tin powder in the sintering process is avoided. Through reinforcement, the high-temperature stability and anti-ablation capability of a copper matrix are improved, the deformation and adhesion of a pan in a high-temperature environment caused by friction are suppressed, the loss of the pan is reduced, and the friction resistance of the pan is improved.
Owner:长沙迈特锐新材料有限公司

Optimized formula and preparation process for W2000 liquid stock of mushroom breathing bag cultivated species

The invention discloses an optimized formula and a preparation process for a W2000 liquid stock of a mushroom breathing bag cultivated species. The formular of a culture medium of the W2000 liquid stock comprises the following components in percentage by weight: 38-48 g / L of corn starch, 10-15 g / L of soybean meal, 2.5-3.5 g / L of KH2PO4 and 0.8-1.2 g / L of MgSO4.7H2O; the culture medium is cultured under the proper culture conditions that the fermentation temperature is 22-25 DEG C, the rotating speed of a shake flask is 180-220 r / min, the initial pH is 6.3-6.6 and the fermentation time is 6.5-7.5 days; the preparation process of the W2000 liquid stock comprises the steps: preparing a mother solution culture medium, connecting a PDA (Potato Dextrose Agar) stock, carrying out shaking culture, preparing a W2000 mother solution strain, preparing a liquid stock culture medium, connecting into the mother solution, carrying out shaking culture and preparing the W2000 liquid stock. The W2000 liquid stock can replace a solid stock to be connected into a mushroom breathing bag cultivated species substrate for producing a W2000 cultivated species. The W2000 liquid stock prepared by the optimized formula and the preparation process which are disclosed by the invention has the advantages of short culture period, low cost, strong activity, consistent fungus age and the like.
Owner:INST OF EDIBLE FUNGI FUJIAN ACAD OF AGRI SCI

Natural plant preparation composition with mosquito repelling and itching relieving functions

The invention relates to the technical field of daily chemical industry, in particular to a mosquito repelling composition, a preparation method and application thereof. The mosquito repelling composition is prepared from the following raw material components in parts by weight: 0.01 to 1.0 part of cortex magnoliae officinalis extract, 0.01 to 1.0 part of blumea balsamifera extract, 0.01 to 2.0 parts of fructus cnidii extract, 0.02 to 2.0 parts of herba menthae extract, 0.1 to 2.0 parts of citrus peel extract, 0.5 to 1.5 parts of pepper extract and 0.2 to 1.0 part of ethanol. The preparation method comprises the following steps: respectively adding water into the medicinal materials of mangnolia officinalis, blumea balsamifera, mint, citrus peel and pepper, carrying out steam distillation to extract volatile oil, filtering, concentrating to obtain concentrated solutions, and mixing the volatile oil and the concentrated solutions to obtain medicinal material extracts; then adding 10-25% acetone aqueous solution into fructus cnidii for extraction, filtering and concentrating to obtain fructus cnidii extract; and finally, uniformly mixing the extracts with ethanol to obtain the composition. The composition is long in mosquito repelling time and can relieve itching, diminish inflammation and sterilize.
Owner:陕西倍康健生物科技有限公司

Peony seed oil-enriched natural children's lip protector and preparation method thereof

The invention discloses a peony seed oil-enriched natural children's lip protector and a preparation method thereof. The peony seed oil-enriched natural children's lip protector comprises a lip protector matrix and a lip protector auxiliary material, wherein the lip protector matrix is prepared from peony seed oil, natural beewax, olive-pomace oil, soybean lecithin, deionized water and glycerinum;the lip protector auxiliary material is prepared from phenoxyethanol and tocophery acetate. The peony seed oil-enriched natural children's lip protector disclosed by the invention is natural and non-irritant, used raw materials are all green, natural, safe and reliable, the adding amount of a bacteriostatic agent is far below the national standard, the peony seed oil-enriched natural children's lip protector contains no irritant or harmful component such as alcohol, hormone, pigment, essence and heavy metal and contains no common components of adult cosmetics being harmful to children's skin;due to the particularity of the main component-peony seed oil, the peony seed oil-enriched natural children's lip protector not only has moisturizing and moistening effects on double-lip skin, but also is capable of relieving discomfort feel of the lips and increasing the softness of the two lips and reducing fine lines of the lips, and the peony seed oil-enriched natural children's lip protectorhas the effects of resisting oxidation and ultraviolet rays and reducing pigment accumulation.
Owner:HEFEI UNIV OF TECH

Peony seed oil-containing face cream for children and preparation method thereof

The invention provides a peony seed oil-containing face cream for children and a preparation method thereof, which relate to the technical field of cosmetics. The peony seed oil-containing face creamfor children is prepared from the following materials: water, glycerol, peony seed oil, olive oil, squalane, cetearyl alcohol, wool fat, beeswax, xanthan gum, soybean lecithin, glycerol monolaurate, vitamin E and paraben. The peony seed oil-containing face cream for children is natural and non-irritating, the adopted materials are safe and reliable, irritating or harmful ingredients, such as alcohol, hormone, pigment, essence and heavy metals, are not contained, a variety of natural pollution-free ingredients are contained, the peony seed oil-containing face cream for children is safe, healthy, mild and non-irritating, the formula is reasonable, the requirement of the manufacturing process comes up to the principle of environment protection and health, the peony seed oil-containing face cream for children can gently care the delicate skin of children, and has the effects of moisture preservation, moisturizing and oxidation resistance, the peony seed oil ingredient can prevent ultraviolet rays from injuring skin to a certain degree, enhancing the natural shielding of skin, and a soft and moist comfortable feeling and longer care are brought to skin.
Owner:HEFEI UNIV OF TECH

Special feed capable of increasing laying rate of laying hens

The invention discloses a special feed capable of increasing the laying rate of laying hens. The special feed is composed of following components in parts by weight: 45 to 69 parts of peanut meal, 52to 59 parts of soybean meal, 24 to 35 parts of rapeseed meal, 12 to 19 parts of sweet potato starch, 5 to 9 parts of fish meal, 14 to 21 parts of wheat flour, 7 to 14 parts of pea meal, 15 to 18 partsof peanut shell powder, 3 to 7 parts of pine needle powder, 2 to 9 parts of medical stone powder, 5 to 12 parts of pig liver, 3 to 8 parts of broad bean, 18 to 24 parts of wheat bran, 8 to 15 parts of cabbage, 5 to 9 parts of selenium enriched broccoli, 7 to 14 parts of carrot, 4 to 8 parts of haw, 5 to 10 parts of stone flour, 1 to 5 parts of lysine, 1 to 4 parts of sodium glutamate, 0.2 to 0.7part of phytase, 3 to 7 parts of Chinese herbal medicine additive, 13 to 17 parts of salt, 1 to 5 parts of edible oil, and 8 to 16 parts of water. The formula is simple, the manufacturing is convenient, a Chinese herbal medicine additive is added, and the feed can be easily digested, has comprehensive nutrients, can increase the egg output, promotes the appetite of laying hens, strengthens the reaction speed of laying hens, enhances the immunity of laying hens, reduces the incidence rate, increases the laying rate, and prolongs the laying peak.
Owner:枞阳县禽业有限责任公司

External-use medicine prepared from optically active material composition and used for treating haemorrhoids and preparation technology of external-use medicine

The invention discloses an optically active raw material composition, which is prepared by using the following raw materials: L-musketone and beta heptamic acid. The invention provides an optically active raw material composition which can effectively treat hemorrhoids, has good therapeutic effect, quick effect, no recurrence, no toxic and side effects, is difficult to recur after being cured, has high biological activity utilization, and is easy for the drug to be absorbed by human skin. The external preparation prepared by the composition has short treatment period for hemorrhoids, good treatment effect, quick effect, is difficult to relapse after being cured, has no toxic and side effects, has obvious anti-inflammatory, analgesic and hemostatic functions, and can obviously eliminate granulation swelling antihemorrhoid effect. The composition and the external preparation provided by the invention can effectively treat internal hemorrhoids, external hemorrhoids and mixed hemorrhoids, and have high recovery rate and effective rate in the treatment of hemorrhoids, with the recovery rate reaching 93.9% and the effective rate reaching 100%.
Owner:中微知著药物手性技术(大连)有限公司

Method for preparing composite passivator for soil heavy metals from kitchen waste

The invention relates to a method for preparing a composite passivator for soil heavy metals from kitchen waste, belonging to the technical field of treatment of soil heavy metal pollution. The preparation method comprises the following steps: a, fermentation preparation: uniformly mixing kitchen waste, lignite powder and sawdust in proportion, and adjusting a carbon-nitrogen ratio of the formed mixture to obtain a fermentation material; b, preparation of a fermentation product: placing the fermentation material in a fermentation box for natural fermentation, turning a pile when a certain temperature is reached, and continuing fermentation until the pile becomes black brown and has no peculiar smell so as to obtain the fermentation product; and c, compounding of a passivator: mixing the fermentation product with calcium oxide and bentonite according to a certain weight ratio, and carrying out uniform mixing under stirring to obtain the composite passivator. The fermentation product ishigh in humification coefficient and is beneficial for improving the adsorption performance of the composite passivator to heavy metals; and the composite passivator is simple in formula composition and low in manufacturing cost, and can produce a good passivation effect under the condition that the usage amount of the composite passivator is low.
Owner:四川长虹格润环保科技股份有限公司

Epoxy resin coil for transformer and processing technology of epoxy resin coil

The invention discloses an epoxy resin coil for a transformer and a processing technology of the epoxy resin coil. The epoxy resin coil comprises the following raw materials in parts by weight: 80-100 parts of bisphenol A epoxy resin, 8-18 parts of multi-element composite cellulose and 75-90 parts of a curing agent. The epoxy resin coil has the following beneficial effects: the additive multi-element composite cellulose is used as a flexibilizer, an accelerant and a flame retardant; by utilizing esterification reaction of citric acid and cellulose, the abundance of carboxyl in multi-element composite cellulose is increased, so that the crosslinking degree between the filler and epoxy resin is increased, and the toughness, tensile strength and other mechanical properties of an epoxy resin coil are improved; by utilizing esterification and etherification reaction between phosphoric acid and cellulose, metal iron ions are complexed, a carbonization layer is formed through effective catalysis, and synergistic flame retardance is achieved; and by utilizing abundance of carboxyl in the multi-element composite cellulose and a byproduct citrate,the curing process is promoted. The epoxy resin coil is simple in formula components and low in price, and industrialization can be achieved.
Owner:ZHONGBIAN GRP SHANGHAI TRANSFORMER CO LTD
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