73results about How to "Reduce or eliminate the use of" patented technology

The present invention relates to a method for implementing double-gradient well-drilling operation and its equipment. Said method includes the following steps: (1), the drilling fluid in which the light microspheres are mixed in sea surface is passed through top drive and drill pipe, and transferred to the well bottom by means of slurry pump; (2), the above-mentioned drilling fluid in which the light microspheres are mixed is passed through a separation injection device to separate out the microspheres from drilling fluid and make said microspheres be injected into the annular space between the drill pipe and well bore, the separated drilling fluid can be continuously flowed towards well bottom along the drill pipe; (3), the drilling fluid is passed through down hole safety valve and drill bit and reached to well bottom, then back-returned by means of annular space between well bore and drill pipe; (4), after the drilling fluid back-returned from the well bottom is diluted by microspheres positioned in annular space between well bore and drill pipe, two different pressure gradients are formed in the annular space between well bore and drill pipe; and (5), the drilling fluid containing light microspheres can be back0returned to sea surface from the annular space between well bore and drill pipe, and can be continuously reutilized.

The microbial soil repairing improver is prepared with compounded bacteria preparation, soil leaching liquid, nutritive culture medium and trace element solution and through solid and liquid fermentation. The preparation process features that the bacteria strains separated from the soil and soil environment water and optimized alternate electric field biological engineering technology and plasmogamy technology is mixed with special nutritive culture medium, soil leaching liquid and trace element solution and the mixture is prepared into the microbial soil repairing improver via anaerobic fermentation. The microbial soil repairing improver contains active microbes, enzymes, amino acids, vitamins, organic acids, antioxidant matters and antibiotic matters, and is applied to soil to form excellent microecological environment beneficial to crop.

The invention relates to a shutter, having revolving and retracting functions, including a window frame for holding the leaves, a revolving device, a retracting device, a driving device, and a transmission device. The revolving device is used for revolving each leaf at each angle at the same time; the retracting device is used for lifting all the independent leaves horizontally and collecting to the top of the window frame, putting down all the leaves, to collocate in the window frame evenly; the driving device is used for supplying power to the retracting device and the revolving device; the transmission device is used for transmitting the power to the retracting device and the revolving device. The invention also claims a control method of a shutter, including: starting the retracting motor forward and reverse, for collecting and unfolding the leaves; starting the revolving motor forward and reverse, for locating and resetting the leaves. The invention can make the leaves operated in normal order and return to the normal state correctly under failure, which can improve shielding, collecting light, ventilating and expanding view field.

The invention relates to an immunopotentiator for acquiculture animals, in particular to the application which adopts active Neoagaro-oligosaccharides as an immunopotentiator in acquicuture industry. The application chooses active Neoagaro-oligosaccharides of agar oligomers series which have average molecule weight ranging from 200 to 1800Da, and take Beta-D-galactose as a reductive end and 3, 6-innerether-Alpha-L galactose as a non-reductive end, and the adding quantity of the immunopotentiator is 0.05 to 10 percent of the total foodstuff weight. The application has very remarkable functions on enhancing the non-specific immunity of fishes, shrimps and cramps, shellfish and crabs and improving the immunity of body cells, and also has very high activity in resisting bacteria infection, and can obviously accelerate the growth and weight growing. After cultivation experiments, the immunity, disease resistance, growth speed and survival rate of fishes such as tilipia, shrimps and cramps such as South America white shrimp, shellfhish and crabs are all dramatically enhanced. The invention is characterized by simple use and various using means, and is suitable for the cultivation of various acquicultrue animals.

The invention relates to a seasoning for meat canned products. The seasoning consists of dill seeds 2 parts, cinnamon 1 part, amomum fruits 0.5 part, pepper 2 parts, elecampane 1 part, xiang sha 1 part, netmeg 1 part, anise 0.5 part, white pepper 0.5 part, angelica root 0.5 part, tsaoko amomum fruits 0.5 part, clove 1 part, fennel 0.5 part, galangal 1 part and rhizome kaempferiae 0.5 part. The seasoning can be utilized to made pork, beef, chicken and the like into delicious, tasty, nutritional and healthy sausages, ham sausages, blood sausage and other meat canned products.

The invention discloses a production method of a product for preventing and treating respiratory diseases of livestock and poultry. The product is produced through mixing bifidobacteria, lactic acid bacteria, spore bacteria, yeast and other probiotics and metabolites thereof with one or more of Chinese herbal medicine fermentation products, prebiotics and respiratory and intestinal mucosal repairing factors. Atomizing administration and oral administration of the product cooperate with other to effectively prevent and treat the respiratory diseases of livestock and poultry, and reduce or prevent antibiotics in the raising process. The product which improves the health of the respiratory mucosae and intestinal mucosae and prevent the respiratory diseases has the advantages of increase of the feed digestibility, reduction of the raising cost, reduction of the residual of antibiotics in animal products, and provision of technical and product support for the production of green and non-residual animal products.

Fiber optic ribbon (10) matrix materials (34) having low oligomer content and fiber optic ribbons that contain a matrix prepared from such compositions are disclosed.

This invention describes a metallic article (2) coated with a radiation curable coating (10) that exhibits resistance to weathering and UV exposure. The radiation curable coating (10) is comprised of greater than about 95% solids by weight and is either clear or pigmented.

The present invention discloses a novel river crab feed containing marine-derived active peptides. The prepared river crab feed consists of the following raw materials in weight percentages: 20-30% ofsoybean meal, 13-18% of peanut meal, 3-6% of protein peptide powder, 20-25% of fish meal, 6-10% of meat meal, 3-5% of squid paste, 18-25% of flour, 3-5% of shrimp powder, 4-8% of yeast powder, 2-5% of fish oil and 1.8% of monocalcium phosphate. The present invention also relates to a preparation method of the feed. The novel river crab feed can improve digestibility, immunity and disease resistance, and at the same time has advantages of being good in water stability and reducing water pollution.

The invention discloses an oxygen-inhaling type casting polypropylene semi-cooked film. The film is characterized by a three-layer structure, namely, an oxygen-inhaling layer (1), a middle layer (2) and a heat-sealing layer (3) in turn from top to bottom. The three-layer structure is prepared by adopting a co-extrusion casting process. The oxygen-inhaling layer (1) contains 20-60% of polypropylenerandom copolymer and 40-80% of iron-containing oxygen-inhaling master batch; the middle layer (2) contains 85-100% of polypropylene random copolymer and 0-15% of polyolefin elastomer; the heat-sealing layer (3) contains 81-99.5% of polypropylene random copolymer, 0-15% of polyolefin elastomer and 0.5-4% of smooth anti-blocking master batch; the above percent is weight percent; the thickness of oxygen-inhaling layer (1) is more than 20 microns; the thickness ratio of middle layer (2) to heat-sealing layer (3) is at (2-4):1.

The invention aims to provide an antibiotic-free premix for rabbits. The antibiotic-free premix comprises the following components by weight percent: 20.0%-25.0% of compound probiotics, 9.0%-11.0% ofcompound enzyme for feeding, 0.1%-0.2% of acidifier, 0.5%-1.0% of oligosaccharide, 0.2%-0.25% of multivitamins, 0.2%-0.3% of compound trace elements, 0.03%-0.05% of flavoring agent for fodder and 62.2%-69.97% of mineral substances, wherein the total weight percent is 100%. The composition of the antibiotic-free premix for rabbits is scientific and reasonable; after long-term use, the antibiotic-free premix is nontoxic, harmless and free from residue; the use of antibiotics can be effectively reduced or eliminated; the antibiotic-free premix is capable of boosting the healthy and rapid growth,population development and reproduction of rabbits; the rabbits and products thereof contain no antibiotics or drug residue; the rabbits are safe for humans to eat and human health can be guaranteed;the product has obvious popularization and application values, economic benefits, social benefits and environmental benefits.

The invention relates to a synthesis method of an ortho-benzyl diphosphine compound, which comprises the following steps: in an organic solvent, carrying out substitution reaction on alpha, alpha'-dihalogenated ortho-xylene and dialkyl phosphine under the actions of a metal salt catalyst, a ligand and an alkaline compound to obtain the ortho-benzyl diphosphine compound, wherein metal in the metalsalt catalyst is transition metal, and the ligand can be coordinated with the metal salt catalyst; dialkyl phosphine is PHR2, and R is independently selected from alkyl, aryl or naphthenic base. According to the synthetic method of the ortho-benzyl diphosphine compound, the added ligand can be coordinated with the metal salt catalyst, and through coordination catalysis, the forward proceeding of the reaction under the alkaline condition of the alkaline compound is greatly promoted; meanwhile, a lithium reagent or a Grignard reagent with high risk is reduced or not used, the reaction conditionsare mild and controllable, the yield is high, industrialization is easy, and environmental protection is achieved.