34results about How to "Block growth" patented technology

A detoxicating synergistic Chinese medicine for radiotherapy or chemicotherapy is prepared from astragalus root, wolfberry fruit and ganoderma. Its advantage is high curative effect.

The invention provides a method for biofiltration processing of soot exhaust gas on basis of roofing greening nutritive soil, comprising the following steps: taking roofing greening vegetation and the nutritive soil thereof as biological filler; arranging a supporting layer and a gas distribution device below the biological filler; spraying nutrient solution onto the biological filler; and when liquid phase pH is 6.0-7.5 and temperature is 20-35 DEG C, processing soot exhaust gas. The method of the invention has the advantages of large biomass, high mass transfer efficiency, small possibility of blocking, easy operation and control and the like; the invention expands the application of the roofing greening engineering, combines roofing greening with the processing of soot exhaust gas with a biological method and saves operation cost and floor space.

The invention relates to a preparation method of an antibacterial low-surface energy modified polyurethane antifouling coating agent. The method comprises the steps of performing a free radical polymerization reaction between a monomer containing a capsaicin functional group and polysiloxane modified acrylate, a hydrocarbon-chain acrylate monomer and a hydroxyl-containing acrylate monomer to obtain organic silicone modified acrylate resin containing hydroxyl and capsaicin functional group; finally, uniformly mixing and stirring the resin and a polyisocyanate curing agent proportionally, and crosslinking and curing to obtain an antibacterial low-surface energy modified polyurethane antifouling coating agent. By adopting the method provided by the invention, the prepared low-surface energy modified polyurethane antifouling coating agent combines double effects of low surface energy and antibacterial function; moreover, a crosslinking and curing mode controllable at room temperature is provided, and the practical application value is good. The antifouling coating agent is used as a marine antifouling paint which can inhibit the adsorption of marine organisms and kill the microorganisms adsorbed to the hull surface through the capsaicin functional group.

The invention discloses a method for preparing a low temperature epoxy fatty acid branched-chain alcohol ester improver for biodiesel and application thereof. The method comprises the steps of taking natural oil and branched-chain alcohol as raw materials to react in the presence of a catalyst, and carrying out distilling, standing and layering on the product to obtain supernatant fatty acid branched-chain alcohol ester; and then mixing the fatty acid branched-chain alcohol ester with formic acid, adding an epoxidation catalyst, reacting while dropwise adding hydrogen peroxide, and carrying out standing, layering, neutralizing and dewatering on the product to obtain epoxy fatty acid branched-chain alcohol ester. The invention develops an epoxy fatty acid branched-chain alcohol ester improver aiming at the characteristics of biodiesel. The method has the following beneficial effects: by branching bonds of fatty acid ester and introducing a polar group onto the interior double bond structure of the fatty acid ester, the improver can be easily mixed with the biodiesel to form uniform solution, thus being beneficial to blocking further growth of solid crystals; and after different oil-based biodiesels and the improver are mixed, the low temperature fluidity of the biodiesels can be obviously improved, the condensation point and cold filter point can be reduced by 5-15 DEG C, the calorific value can be improved, and the viscosity can be reduced.

The invention discloses artificial saliva and a preparation method thereof. The artificial saliva is prepared by main components of chitosan and a grapefruit seed extractive and taking water for injection or purified water as a carrier. The artificial saliva is applicable to the perioperative period and tumor, relieving mouth drying of a radiation and chemotherapy patient and curing and preventing complication caused by mouth drying. Refractory dental ulcer caused by unbalance of oral bacteria due to hypoimmunity is cured. The artificial saliva is applied to infection of pathogenic microorganisms of bacteria and the like caused by unbalance of oral bacteria due to hypoimmunity of a sever clinic patient and a long-time bedridden patient and is used for preventing pulmonary infection so that the use amount of antibiotics is reduced. The artificial saliva has no toxicity to a human body, no irritation to mucosa and no sensitization, excellent biodegradability and good anti-bacteria, anti-inflammation, pain relieving, hemostasis and ulcer surface curing promoting effects.

The invention relates to a nontoxic liquid shampoo and a preparation method thereof. The nontoxic liquid shampoo is prepared from, by mass, 45-55% of olive enzyme, 1-5% of licorice extract, 1-5% of polygonum multiflorum extract, 1-5% of soapberry extract, 0.5-1.5% of wheat germ oil, 2-8% of brown sugar, 2-8% of glucose and 25-35% of amino acid. The nontoxic liquid shampoo contains various kinds of nutritive substance, can sufficiently moisten hair roots, make hair black and dense and prevent hair losing, can condition hair while cleaning hair and nourish hair, and has the quite good commercial prospect.

A fresh-keeping bacteriostatic lyophobic porous film for juicy food and a preparation technology thereof. The porous film has a microstructural single layer or multiple layers, wherein each single layer comprises a contact layer, an interface layer and a back side layer. The preparation technology comprises raw material proportioning, one-step or two-step vacuum pore-forming by pore-forming method and machinery pore-forming, wherein the raw materials contain 0-100% of PE, 100-0% of PP, 0-10% of a bacteriostatic agent and 0-10% of other components (such as a hydrophilizing agent, a pigment and the like); the vacuum pore-forming refers to plastic raw material technological film forming as well as pore forming by negative pressure suction; one step method refers to online film-forming and pore-forming by one step; two step method refers to film forming and pore forming respectively completed on two equipment; and the machinery pore-forming refers to pore forming by knife mold extruding, shearing and penetrating under the action of mechanical force. The porous film, which is prepared by the preparation technology and has a porous structure, has food fresh-keeping, bacteriostatic and anti-seepage effects.

The invention provides a method for preventing derris trifoliata in a mangrove forest, and belongs to the technical field of mangrove forest protection. The parts being 10-20 cm above rhizomes of thederris trifoliata are cut off at the lowest tide level all day long in the mangrove forest, then an acetic acid solution is sprayed to the rhizomes of the derris trifoliata once, and artificially-bredcoleopteran weevils insects are placed on the derris trifoliata; and semen cuscutae stems are placed at the canopy positions, on the water surface, of the derris trifoliata, and after semen cuscutaeis successfully parasitized on the derris trifoliata, an acetic acid solution is sprayed to the rhizomes of the derris trifoliata again. Semen cuscutae and coleopteran weevils insects are introduced and cooperate with acetic acid root spraying, prevention of the derris trifoliata is effectively achieved, operation is easy, environment friendliness is achieved, and the derris trifoliata is thoroughly eradicated from the source.

The invention discloses an acne-removing composition containing saw palmetto essential oil and a preparation method of the acne-removing composition. The acne-removing composition comprises the following components in parts raw material: 0.05 to 0.1 part of saw palmetto essential oil, 0.01 to 0.05 part of Chinese angelica ferulic acid, 0.5 to 2 parts of pueraria isoflavones, 0.5 to 3 parts of wheat protein extract, 1 to 10 parts of salicylic acid, 1 to 5 parts of nicotinamide, 0.5 to 5 parts of citric acid, 0.1 to 3 parts of zinc gluconate, 0.5 to 2 parts of aloe barbadensis refined freeze-dried powder, 0.05 to 1 part of pogostemon cablin essential oil, 0.01 to 0.1 part of chamomile essential oil, 0.5 to 3 parts of allantoin, 0.2 to 0.5 part of hyaluronic acid, 0.1 to 0.5 part of dipotassium glycyrrhizinate, 1 to 8 parts of a plant antibacterial component composition and 0.5 to 1 part of arbutin. The composition aims at all targets and links of acne morbidity and can effectively blockthe pathology physiological process of the acne, thereby achieving triple effects of controlling oil, removing acne and repairing acne marks.

The invention discloses an aromatase inhibitor prepared through plant extracts. The aromatase inhibitor is characterized in that the aromatase inhibitor includes, by weight percent, 20%-30% of wild buckwheat extracts, 40%-50% of radix tetrastigme extracts, 20%-40% of mulberry leaf extracts and an added traditional Chinese medicine composition used for preventing osteoporosis. The manufactured aromatase inhibitor can inhibit conversion from male hormones to female hormones and belongs to the aromatase inhibitor of a non-steroid kind, activity of aromatase is inhibited, the content of the female hormones in the body can be effectively reduced, and the aromatase inhibitor can be used for treating or preventing the breast cancer; and meanwhile, due to the fact that in the formula, the synergistic effect of various kinds of traditional Chinese medicines in the formula is utilized in the traditional Chinese medicine composite formula, the effect of the medicine for treating osteoporosis is sufficiently achieved

The invention belongs to the field of PD-L1/PD-1 monoclonal antibody tumor immunotherapy, and aims to provide a new research and development direction of PD-L1/PD-1 monoclonal antibody tumor immunodetection or immunotherapy adjuvant drugs and a new drug combination mode. Specifically, the invention provides an application of the MTA3 in preparation of a detection kit for a PD-L1/PD-1 monoclonal antibody tumor immunotherapy drug and an application of the combination of the MTA3 and the PD-L1/PD-1 monoclonal antibody drug in preparation of a tumor immunotherapy drug, the tumor is a solid tumor, and the solid tumor is further melanoma.