37 results about "Active component" patented technology

The invention provides a catalyst for selective hydrogenation and olefin removal of reformed generated oil. The catalyst comprises an active component oxide, an auxiliary agent oxide and a carrier, wherein according to the content of metal, the content of the components is as follows in percentage by mass: 0.05-0.5wt% of the active component oxide, 0.5-10wt% of the auxiliary agent oxide and the residual amount of the carrier; the active component oxide is at least one of oxides of noble metal Pt, Pd and Ru; the auxiliary agent oxide is one or two of oxides of Na, K, Mg, Ca, Co, Fe, Ni, Mo and Cu; the carrier is Al2O3. The catalyst has the advantages of high activity, good selectivity, long service life and low cost.

The invention discloses a copper and iron compound honeycomb coating type denitrification catalyst as well as a preparation method and application thereof. The catalyst provided by the invention takesa copper-based molecular sieve prepared through an ion exchange method or an immersion method as an active component, ferric polysilicate is added as a co-catalysis component, a honeycomb cordieriteceramic block is used as a carrier and an aluminum sol is used as as a binder. The catalyst prepared by the invention is prepared through a vacuum coating method; the preparation method is simple to operate, holes are not liable to block in a coating process and large-scale production is easy to realize; a coating has a large capacity and the coating fastness of active components is high; a good cooperative catalysis effect is formed between duplex metal including copper and iron, the denitrification activity of the catalyst is improved and the anti-H2O performance and anti-SO2 performance ofthe catalyst are also improved. The catalyst provided by the invention has a denitrification efficiency of 90 percent or more in a range of 220 to 510 DEG C and has a good application prospect in a stationary source denitrification direction.

The supported hydrogenating noble metal carrier consists of mainly spherical carrier material and noble metal as active component, and features that the spherical carrier material contains alumina in 50-99 wt% and magnetic grain in 1-50 wt%. The magnetic grain consists of SiO2 coating layer and kernel of Fe3O4, Fe and/or gamm-Fe2O3 in the weight ratio of 0.05-6 to 1. The noble metal as active component is one or several selected from Pt, Pd, Ru and Rh.

The acne treating Chinese herbal medicine preparation is prepared with the active components of oldenlandia, loquat leaf, wolfberry bark, dandelion, capillary artemisia and other 21 kinds of Chinese medicinal materials. It is prepared into capsule, and has the features of short treating period, high curative effect and no toxic side effect.

The invention relates to a sterilizing composition containing effective and active components of Cyazofamid and Epoxiconazole. The sterilizing composition is characterized in that general addition agent and excipient are added to be made into wettable powders, water dispersible granules and suspending agent, wherein the weight percentage of the effective and active components of the Cyazofamid and the Epoxiconazole is 1-40:60-1. The invention has outstanding effect of preventing and curing downy mildew, late blight and leaf spot and has more obvious effect than single agents. The sterilizing composition can generate higher synergy, broadens anti-fungal spectrum and overcomes and retards the generation of disease drug resistance.

A catalyst for production of propylene through catalytic dehydrogenation of propane adopts alumina-chrome oxide as a mixed carrier, metallic Pt as an active component and metallic Sn, La and Ca as assistants, the chemical formula of the catalyst is Pt-Sn-Ca/Cr2O3.Al2O3 and Pt-Sn-La-Ca/Cr2O3.Al2O3, and a mass ratio of Cr2O3 to Al2O3 in the mixed carrier is 2:1. A preparation method of the catalyst has the advantages of simple process and easy operation; a performance test result of the catalyst shows that the catalyst has high propane conversion rate, high activity, long service life and high propylene selectivity; and the initial conversion rate is about 48%, and the catalyst still has a high conversion rate of about 40% and high propylene selectivity of above 91% 4h later, so the catalyst has a great economic effect, and can be industrially popularized.

The invention relates to a new method for preparing hexafluorobutadiene. The new method is characterized by comprising the following steps that 1, HFC-134a and Br2 are subjected to a continuous gas phase catalysis reaction under the effect of a catalyst with metal chloride or bromide as an active component to prepare CF3CFBr2; 2, CF3CFBr2 is dripped into a reactor for aprotic polar solvent in which zinc powder is dissolved to prepare trifluoro vinyl zinc bromide; 3, with ferric salt and copper salt serving as catalysts, in the aprotic polar solvent, trifluoro vinyl zinc bromide is subjected to a telomerization reaction to generate a target product hexafluorobutadiene. The refrigerant HFC-134 a and Br2 which are used on a large scale at present and gradually obsoleted are used as starting raw materials, the materials are easy to obtain and low in price, the reaction is carried out under the gas phase condition, the reaction condition is easy to control, and the method is a C4F6 preparing method having a great market application prospect.

The invention discloses an agricultural amino acid composition. The bactericidal active component of the agricultural amino acid composition is L-pyroglutamic acid, and the L-pyroglutamic acid is separated from an extract of disporopsis aspera. The agricultural amino acid composition can be prepared into agriculturally acceptable soluble powder. The invention further discloses application of the agricultural amino acid composition to control of crop diseases. The agricultural amino acid composition has a relatively good preventive effect on cucumber downy mildew, potato late blight and grape downy mildew and has protecting and treating effects.

A method and system of for introducing an active material to a chemical process in which a processing element including a passive component and an active element is installed within the system and exposed to a chemical process performed within the system. As the chemical process proceeds, the passive component erodes and thereby exposes the active component embedded therein. The introduction of the active component to the chemical process alters the chemical process.

The invention belongs to the technical field of pesticides and discloses a mixed herbicide containing sulfentrazone and haloxyfop-R-methyl. The sulfentrazone and the haloxyfop-R-methyl are employed in the herbicide as main active components according to the mass ratio of 0.1-80:0.1-80. The mixed herbicide can be applied for weeding fields of soya beans, sunflowers and peanuts, is wide in herbicidal spectrum, is quick in effect, is low in residue, is low-toxicity and is safe and environment-friendly, and is an excellent chemical herbicide for the soya beans, sunflowers, peanuts and the like crops.

The invention relates to a catalyst for preparing acrylic acid by oxidation of acrylic aldehyde, a preparation method of the catalyst, and a synthesis method of acrylic acid, and is used for mainly solving the problem of not high selectivity of an acrylic acid catalyst in the prior art. The technical problem is better solved through adopting the technical scheme that the acrylic acid catalyst contains an active component represented by the following general formula of Mo12VaCubXcYdZeKfOj, wherein X is at least one selected from W, Cr and Sn, Y is at least one selected from Fe, Bi, Co, Ni, Sb, Zr and Sr, and Z is at least one selected from lanthanide elements. The acrylic acid catalyst can be used in industrial production of acrylic aldehyde oxidation production of acrylic acid.

The invention relates to a method for gas purification, and in particular provides a catalyst used in selective oxidative desorption of carbon monoxide in high-concentration hydrogen and a preparation method for the catalyst and a using method for the catalyst. The catalyst comprises a carrier which is loaded with an active component and aids, wherein the active component is Pt, and the aids is one or a combination of two of Zn, Cu, La, Ce, Pr, Fe, Sn and Co; and the carrying capacity of the active component is 0.01 to 0.1 weight percent of the catalyst, and the carrying capacity of the aids is 0.5 to 5 weight percent of the catalyst. By the catalyst, the carbon monoxide can be removed from the hydrogen at the temperature of between 100 and 200 DEG C, the reaction airspeed is 1,000 to 15,000 h<-1>, the desorption accuracy of CO can be less than 1 ppm or 10 ppm or 100 ppm according to requirements, and the content of O2 at an outlet is less than 1 ppm.

A catalyst used for synthesis of dimethyl oxalate from CO is disclosed, the catalyst comprises a carrier and a bimetallic nanoparticle, the carrier is crystalline form Al2O3, the specific surface area of the Al2O3 is 20-200m<2> / g, the pore volume is 0 .5-1.5m<2> / g, the pore diameter is 3-20 nm, the bimetallic nanoparticle is an active component formed by combination of metal lead and a metal M, and the M is any metal element of Fe, Ni, Co and Mn. Advantages of the catalyst for synthesis of dimethyl oxalate from CO are as follows: by use of the previously-synthesized Pd and M bimetallic nanoparticle and relatively high specific surface area of theta-Al2O3, dispersion of the Pd and M on the carrier is improved, the space time yield and selectivity of the catalyst are improved, the synthesis efficiency is improved, the catalyst is low in use requirements, can be used at low temperature, reduces production energy consumption, and saves production costs, the preparation process of the catalyst is simple, preparation is convenient, and the finished catalyst is easy to use, and worthy of promoting.

The invention discloses a pesticide composition containing folpet and fluopyram. The pesticide composition comprises at least two active components, i.e., folpet and fluopyram, wherein a weight ratio of folpet to fluopyram is 1: 5 to 20: 1, preferably, 1: 1 to 5: 1, and the pesticide composition has synergistic effect on crop control within the above proportional range. Any agriculturally acceptable dosage form may be prepared from the pesticide composition in the invention by using any conventional technical means available to those skilled in the art, and the dosage form includes, but is not limited to, missible oil, wettable powder, a suspension, a water-dispersible granule, an emulsion in water, a microemulsion and a granule.

The present invention provides a vaccine for dengue prevention and/or treatment. The present invention provides a product, and the active component thereof is a substance for inhibiting expression of the encoding gene of the C-type lectin or inhibiting activity of the C-type lectin in the aedes body. The application of the product is (a), (b), or (c) in the following: (a): inhibiting duplication of dengue virus in the aedes body; (b) dengue prevention and/or treatment; or (c) blocking spreading of dengue virus.

A high-activity chloride-free CuI/Y catalyst consists of an active component CuI and a Y molecular sieve. The catalyst comprises the following component in terms of metals: 5.0-20 wt% of Cu, wherein CuI accounts for 90-100 wt%, Cu accounts for 00-10wt%, and the rest is the Y molecular sieve. The high-activity chloride-free CuI/Y catalyst has the advantages of high CuI content, zero chloride and high activity.

An agent for preventing and curing the hindrance of ischemic reperfusiton is disclosed which has as an active component thereof a chromanol glycoside represented by the following general formula: 1 [wherein R.sup.1, R.sup.2, R.sup.3, and R.sup.4 independently denote a hydrogen atom or a lower alkyl group, R.sup.5 denotes a hydrogen atom, a lower alkyl group, or a lower acyl group, X denotes a monosaccharide residue or an oligosaccharide residue which may have a lower alkyl group or a lower acyl group substituted for the hydrogen atom of the hydroxyl group of the saccharide residue, n denotes an integer of 0-6, and m denotes an integer of 1-6]. The agent, even in a small dosage, acts safely and effectively on the affected part and allows the hindrances of ischemic reperfusion induced in heart, stomach, small intestine, liver, spleen, kidney, brain, and skin, and the hindrance induced during the transplantation of an internal organ to be prevented and cured.

The invention relates to a traditional Chinese medicinal facial mask. The traditional Chinese medicinal facial mask is composed of the following active components by weight: 200 to 350 parts of RadixAngelicae, 450 to 550 parts of white Poria cocos, 450 to 550 parts of raw bighead atractylodes rhizomes, 250 to 350 parts of raw white peony roots, 250 to 350 parts of common bletilla tubers, 40 to 60parts of raw ephedra stems, 120 to 180 parts of bitter apricot kernels, 80 to 130 parts of American ginseng, 40 to 60 parts of safflower, 60 to 90 parts of pseudo-ginseng and 150 to 250 parts of pearl powder. The traditional Chinese medicinal facial mask also comprises the following components in percentages by mass: 0.50% to 1.00% of hyaluronic acid, 1.00% to 6.00% of azone and 8.00% to 12.00% of propylene glycol. According to the invention, by adoption of the traditional Chinese medicine composition principles that the treatment of the interior symptoms is prior to the treatment of the exterior symptoms and both interior and exterior symptoms are treated, the skin is sufficient in qi and blood, and rapid repairing of the skin is promoted; through strong transdermal effects of the components contained in a formula of the traditional Chinese medicinal facial mask, and a wall-breaking and crushing technology of traditional Chinese medicines, active components of the traditional Chinesemedicines are more easily and rapidly released and transdermally absorbed, so the quality of the skin is fundamentally improved; meanwhile, the traditional Chinese medicinal facial mask can be repeatedly used, is free of dependency, is safe to use, and is free of toxic and side effects; and the process used for preparing the traditional Chinese medicinal facial mask facilitates industrial production.

The invention provides a method for extracting ethyl vanillate from peony. According to the method, peony petals are used as a raw material. Through heating reflux, an active component containing ethyl vanillate are extracted from peony petals; and through extraction, macroporous resin column chromatography, silica gel column chromatography and recrystallization, ethyl vanillate is obtained. By the method for extracting ethyl vanillate from peony, ethyl vanillate with high purity can be obtained, and the purity can reach 95% and above. During the extraction process of ethyl vanillate, medicines used in the process are all common medicines, and production cost is low. Meanwhile, organic solvents such as ethanol and macroporous resin in the chromatographic column can be repeatedly used. Thus, the environment is not polluted, and production cost is further reduced. The method of the invention is suitable for large-scale promotion and application. The ethyl vanillate obtained by the method has stronger activity than orlistat and can be applied in preparation of diet pills or a medicine with inhibitory effect on lipase activity.

The invention relates to high-activity wild grape wine with seeds and a preparation method thereof. The preparation method comprises the steps of preprocessing wild grapes, carrying out split charging, aerobic fermentation and anaerobic fermentation, processing grape seeds, and carrying out post-fermentation, filtration, encapsulation, sealing and after-packaging. According to the high-activity wild grape wine, high-activity anti-oxidation nutrient substances such as resveratrol and organic acid are increased, meanwhile, a deep processing and utilizing scheme is provided for by-products produced during the brewing of grape wine from grape seeds and the like, and the raw material resources are well utilized. On this basis, the specific preparation technological process is detailed, the antioxidant activity of the product and the content contrast of relevant substances are verified by virtue of subsequent detection, and meanwhile, a sensory evaluation result is matched so as to determine an optimal preparation method. The content of active components in the product is increased, meanwhile, the optimal taste and flavor of the product are guaranteed, and the product has multiple superiorities of nutrition, health, delicacy, storage resistance, easiness in production and process and the like.

The invention discloses a process for improving yield of carbohydrazide. Dimethyl carbonate and hydrazine hydrate are used as raw materials, methanol is used as a solvent, a carbohydrazide solution is prepared, recrystallization is carried out, and the method concretely comprises the following steps: (1) reaction with insulation, (2) reduced pressure distillation, (3) crystallization, (4) centrifugation, and (5) drying. The method is advantageous in that the content of active component carbohydrazide reaches 98% or above, and the content of free hydrazine reduces to 400ppm or below; in the preparation process, a frequency conversion apparatus is used for separately controlling the temperature of the reaction with insulation, the temperature of reduced pressure distillation, and crystallization temperature; the reaction time is reduced, compared with traditional constant rotational speed process, the yield of the product is increased by 20% or above, at the same time, the content of free hydrazine is obviously reduced, and during crystallization, the rotating speed is low, the growth of crystal grains is uniform, later centrifugal operation is convenient, and appearance of the final product is more uniform.

The invention discloses a highland barley seedling health-care food and a making method thereof, and belongs to the technical field of food processing. The highland barley seedling health-care food ismade from highland barley seedlings and mulberry leaves. According to the health-care food disclosed by the invention, through synergistic reaction of active components of the two kinds of the raw materials, the food has obvious effects in the respects of reducing blood lipid, reducing blood sugar, reducing blood pressure, resisting atherosclerosis, reducing weight, slimming, preventing cardiovascular and cerebrovascular diseases and resisting weariness.

The invention provides a cyflufenamid-containing synergistic antifungal composition, which is characterized by comprising active components A and B. The component A is cyflufenamid, and the component B is one or more ingredients selected from a group consisting of fludioxonil and nuarimol. The composition also comprises auxiliary agents which can be used in processing of pesticide preparations. The composition is made into a common pesticide preparation which is applied in controlling of plant fungous diseases.