76results about How to "Easy dosage" patented technology

The invention relates to a lLitopenaeus vannamei compound feed and belongs to the field of shrimp feed and preparation methods thereof. According to weight percentage, the compound feed contains 10-15percent of fish meal, 18-22 percent of fermented soybean meal, 8-12 percent of peanut cake, 2-6 percent of corn protein powder, 8-10 percent of soya bean meal, 20-25 percent of high gluten flour, 2-6percent of shrimp shell powder, 1-3 percent of selenium-enriched yeast, 1-3 percent of bentonite, 2-4 percent of squid extract, 2-4 percent of kelp powder, 0.5-1.5 percent of monocalcium phosphate, 0.5-1.5 percent of fish oil and 2-4 percent of premix. The compound feed can substitute for the present prawn compound feed and be used for the artificial breeding of litopenaeus vannamei. The compoundfeed is good in palatability, easy to digest and absorb and nice in the stability in water, reduces feed coefficient and cost, nitrogen and phosphorus emission and pollution to the water body environment of culture zones, and can promote the growth of prawn, with balanced nutrition.

The invention discloses a chicken manure fermentation organic fertilizer, which is prepared from the following raw materials: chicken manure, straw powders, konjak flour, corn flour, cellulose, zeolite, humic acid, potassium dihydrogen phosphate, urea, peat soil, a leavening agent, a soil improvement agent, a film coating agent, potassium sulfate, borax and calcium superphosphate. The above raw materials are subjected to the integrated treatment of anaerobic fermentation and aerobic fermentation, so that the organic fertilizer is prepared through the fermentation of the chicken manure. The chicken manure fermentation organic fertilizer is complete in fermentation effect, and is capable of killing plant pathogenic bacteria, eggs, weed seeds and other harmful microorganisms in the chicken manure, and generating a large amount of nutrients beneficial to the plant growth and the plant absorption. The process is simple and easy to implement. The raw materials of the prepared organic fertilizer are rich in nutrition. Meanwhile, the prepared organic fertilizer is high in fertilizer efficiency and rich in nutrition, and can coordinate the soil nutrient balance, improve the soil nutrient, promote the plant growth, increase the plant yield and improve the plant quality.

The invention discloses a method for extracting sodium copper chlorophyll from silkworm excrement. Specifically, the method includes enzymolysis of silkworm excrement by enzyme, wherein the enzyme is one or more of scellulase, hemicellulase, pectinase, triacylglycerol acylhydrolase and protease. The method provided by the invention can effectively degrade cellulose, hemicellulose, pectin, protein and fat components in the silkworm excrement raw material. Also, the method has the advantages of small enzyme dosage, simple treatment process, easy operation, short time, high chlorophyll extraction rate, high purity sodium copper chlorophyll finished product, and no environmental pollution, improves the yield of sodium copper chlorophyllin, shortens the extraction time of chlorophyll to a large extent, reduces the dosage of the solvent, reduces difficulties during subsequent preparation of sodium copper chlorophyll, and saves the production cost.

The invention discloses a producing method for preparing lithium carbonate by taking carbonate type brine and sulphate type brine as raw material and by repeatedly mixing brine. Firstly carbonate type brine and sulphate type brine are mixed for performing the first brine mixing, so as to ensure that CO3<2-> ion and Mg<2+> ion in the mixed brine are completely reacted to produce basic magnesium carbonate, brine is evaporated and concentrated, and solid and liquid are separated, so that basic magnesium carbonate precipitate is removed, and lithium enrichment brine is obtained; and then the lithium enrichment brine and carbonate type brine, the lithium ion concentration of which is evaporated and concentrated to be saturated or nearly saturated, are mixed for performing second brine mixing, so that Li+ ion in the mixed brine produces lithium carbonate, solid and liquid are separated, lithium carbonate precipitate is removed, and the lithium carbonate precipitate is washed with hot water and dried, so that lithium carbonate products are obtained. Besides electricity, the method basically does not require foreign material, the investment is less, the technology is simple, the method can be applied to the mass production of lithium carbonate, the acquisition rate is high, the product quality meets the national standard, and the method is particularly suitable for the development of lithium resources of saline lake in Tibet.

The invention relates to a method for preparing a leather fixing agent, in particular to a dendriform cationic leather fixing agent and a preparation method thereof. To overcome the defects of low activity, high consumption and easily caused grain leather existing in the prior art, the invention adopts a technical scheme that: the method for preparing the dendriform cationic leather fixing agent comprises the following steps: (1) mixing organic amine and acrylic ester, adding a reaction solvent, stirring to react, vacuumizing, distilling by rotating, and removing the solvent and excessive acrylic ester to prepare dendriform PAMAM; and (2) mixing the dendriform PAMAM prepared in the step (1) with a cationic etherifying agent, adding a solvent, adding an extracting agent after reaction, andextracting for multiple times to prepare graft modified dendriform cationic leather fixing agent. Compared with the prior art, the method has the advantages of reducing the hydrolysis effect of dye, improving fastness of leather to wet rubbing, reducing the consumption of the dye, not influencing the hand feeling of the leather, and making the fixing agent biologically degraded easily.

The invention aims at providing construction equipment for a concrete pile. The construction equipment for the concrete pile comprises a protective cylinder, a heavy hammer, hoists, a chassis and a support and is characterized in that a large hoist and a small hoist are fixed on the chassis; the support is arranged at the front end of the chassis; a pulley is arranged at the upper end of the support; a steel wire rope in the large hoist penetrates pulleys at the tops ends of the support and the heavy hammer to drive the heavy hammer to rise and fall; a steel wire rope in the small-power hoist penetrates the support pulley and a reversing device to drive the protective cylinder to rise and fall; the upper end of the protective cylinder is provided with a perpendicularity control device, a padding opening and a vibration device. The invention also comprises a construction method adopting the concrete pile. The construction method adopting the concrete pile comprises the following steps of (1) enabling equipment to be in position; (2) promoting the heavy hammer to impact and squeeze soil bodies sink into the protective cylinder after the soil bodies form into a pile hole; (3) repeatedly hammering a punching hole and sinking the protective cylinder to the designed depth; (4) performing pile tip processing through one method of a plurality of methods according to the soil layer characteristics and the upper portion loading requirement; (5) constructing a pile body through one method of a plurality of methods.

A process for removing Mg from phosphorus ore in order to prepare phosphoric acid by wet method features use of static microbubble floatation column, and includes such steps as breaking the crude phosphorus ore, grinding, classifying, mineralizing by mixing the reverse floatation chemical with ore sludge, and floatating in said static microbubble floatation column while conditioning the ore sludge to obtain the bubble-phase tailings and low-Mg phosphorus ore concentrate from the column bottom.

A composite food gum used for preparing the suspension beverage features that it contains a jelly and a suspending agent used for prepare said suspension beverage is disclosed.

The present invention relates to a new process for synthesizing carboxymethyl chitosan by using semi-dry microwave method under the condition of having no organic solvent, and the said process includes the following steps: using purified ultramicro-pulverized chitosan 20-50 weight portions, adding 35% sodium hydroxide solution 50-500 weight portions, adding activating agent 30% hydrogen peroxide 0.1-0.8 weight portion, uniformly mixing them and placing them into a reactor, adopting 100-300 W microwave for 5-10 min., cooling below 10 deg.C, defreezing and then adding 30% sodium hydroxide and microwave treatment for three times, cooling, further adding sodium hydroxide, microwave treatment, cooling so as to obtain the finished product, then using methyl alcohol and ethyl alcohol to remove excess chloroacetic acid and sodium hydroxide so as to obtain pure product.

The invention provides an energy-curable acrylic resin composition and application thereof. The acrylic resin composition comprises resin, an initiator and curable epoxy modified acrylic resin, wherein one or more oxetane groups are grafted on a branched chain of at least one repeating unit in the epoxy modified acrylic resin, and each oxetane group has a structure shown in a general formula (I),a general formula (II) or a general formula (III). The energy-curable acrylic resin composition provided by the invention not only has good flexibility, relatively high adhesive force to a coating substrate and relatively high curing film-forming speed, but also has the advantages of not changing existing production equipment, being capable of achieving low VOC and even zero VOC emission and the like.

The invention discloses a self compact concrete and an environmentally friendly slope protection member production technology. The problems of color difference and pores of the appearance of a prefabricated cement member product due to common concrete cannot used to fill a complex closed die are solved in the invention. The components of concrete per unit volume comprise 320-350kg of cement, 150-180kg of fly ash, 900-950kg of river sand, 750-800kg of cobblestone, 4-6kg of a water reducer and 180-190kg of water. An environmentally friendly slope protection member is made through the steps of feeding, stirring, transporting, pouring, standing curing, steam curing, demolding and natural curing. The technology can be widely used to produce prefabricated concrete members, slightly increases the cost of production raw materials, reduces above 30% of the manpower cost, realizes no noises in production, makes the color difference of the prefabricated member products disappear, and reduces about 80% of surface pores.

The invention discloses a core-wall rockfill dam comprising gabions, self-compacting concrete, upstream geotextile, downstream geotextile, an upstream rockfill area, a downstream rockfill area, a copper sheet water stop, a concrete base, a grouting gallery and the like. The self-compacting concrete replaces a traditional clay core wall or bituminous concrete core wall. The gabions and the geotextile are used for replacing a traditional transition area. The gabions are utilized to achieve the functions of stabilizing and protecting the core wall. By means of the watertightness of the geomembrane, the seepage-proof function is achieved. According to the core-wall rockfill dam, the type is simple, dam body section partitioning is optimized, the construction speed is rapid, construction interference is little, and construction and later-period overhauling are convenient.

The invention provides a production process for separating ethylbenzene and ortho-xylene from mixed xylene which comprises, charging promoting agent into xylol raw materials, feeding into ortho-dimethylbenzene knockout tower, the tower still separating ortho-dimethylbenzene product, then feeding into ethylbenzene knockout tower filled with corrugated filling, the tower still separating mixture of p-dimethylbenzene and metaxylene, the overhead entering the promoter reclamation tower again, the tower still separating ethylbenzene containing no promoting agent, and the tower top separating recovered promoting agent containing no ethylbenzene, and pumping the reclaimed promoting agent into xylol raw material for recirculation.

The present invention relates to a method for treating waste gas containing ethylene oxide and propylene oxide. A purpose of the present invention is to mainly solve the problems of high washing water consumption and difficult wastewater treatment after the washing in the prior art. According to the present invention, with the method, waste gas containing ethylene oxide and propylene oxide enters a waste gas absorption tower, and contacts washing water so as to be washed, the washed waste gas achieving the environmental protection discharge standard is discharged into atmosphere from the top portion of the waste gas absorption tower, the washing rich liquid on the bottom portion of the waste gas absorption tower enters a hydration reactor through a wastewater pump, and is subjected to a catalytic hydration reaction, the conversion rates of ethylene oxide and propylene oxide in the hydration reactor are higher than 95%, and the wastewater being subjected to the catalysis reaction enters a wastewater treatment system. With the technical scheme, the problems in the prior art are well solved. The method of the present invention can be used for the treatment of waste gas containing ethylene oxide and propylene oxide.

The invention relates to a high molecular weight acrylic resin for a polyvinylidene fluoride coiled material finish paint. The acrylic resin is combined with polyvinylidene fluoride resin as a coiled material finish paint base-material, is a bead-shape transparent particle and has a number-average molecular weight Mn higher than 90 thousand and molecular weight distribution Mw / Mn less than 2.0. The resin of the invention is prepared by a suspension polymerization method from material monomers of 50-80 wt% of methyl methacrylate and / or methyl acrylate, 10-40 wt% of ethyl acrylate and / or methyl methacrylate and 0-40 wt% of one or more selected from acrylic acid, hydroxyethyl acrylate, hydroxypropyl acrylate, methacrylic acid, hydroxyethyl methacrylate, hydroxypropyl methacrylate, butyl acrylate and butyl methacrylate. The high molecular weight acrylic resin of the invention can be combined with a PVDF resin, and a prepared finish paint film has comprehensive properties the same as an imported one and better performances on MEK-resistant wiping frequency and artificial ageing resistance.

The invention discloses an egg bread slice preparation method, which includes the following operations: (1) kneading 100 parts of high-gluten flour, 20-25 parts of eggs, 1-2 parts of sugar and 4-5 parts of yeast; after kneading the dough, pressing the dough multiple times and then forming the dough into strips; after forming, fermenting the dough strips at 36-38 DEG C, steaming in a pan and then taking out of the pan; (2) naturally cooling steamed bread after steaming, and then slicing into steamed bread slices with a thickness of 2-5 cm; (3) primary baking: placing the steamed bread slices ona baking plate with grids of an oven; and oil spraying: spraying vegetable oil on the surface of the steamed bread slices through an atomizing nozzle, wherein secondary vegetable oil baking: sendingthe steamed bread slices after oil spraying into the oven for baking again; and (4) after secondary baking, evenly spreading a powdery seasoning on the surface of the steamed bread slices through a screen mesh while hot. The steamed bread slices prepared by the method have delicate taste, are not greasy and are not easy to drop slag, can provide better nutrition while providing energy as leisure food, and are obviously different from the existing steamed bread slices; and the prepared steamed bread slices can be called egg bread slices.

The invention discloses a method for synthesizing menaphthyl tetrahydrofuryl ethyl malonate as shown in a formula (I). The synthesis method is as follows: sodium alkoxide is added into a 2-methyl tetrahydrofuran solution of the menaphthyl tetrahydrofuryl ethyl malonate as shown in a formula (II) in batch at a temperature of between 20 and 45 DEG C; after addition, the mixture is heated and refluxed for 0.5 to 2 hours, and 1-methylnaphthalene halide as shown in a formula (III) is slowly dripped into the mixture at a temperature of between 80 and 100 DEG C; the mixture is subjected to reflux reaction for 0.5 to 2 hours; and the menaphthyl tetrahydrofuryl ethyl malonate is obtained after after-treatment of a reaction liquid. Compared with the prior art, the method has the advantages that the menaphthyl tetrahydrofuryl ethyl malonate adopts a green solvent, namely 2-methyl tetrahydrofuran as a reaction solvent and is also directly taken as an extracting solvent; and the method has high yield of reaction products and high recovery rate of the solvent, is environment-friendly, and has good industrial application prospect.

The invention relates to a seabuckthorn healthy wine which is characterized in that the formula thereof contains (by weight parts): seabuckthorn oil 5 to 15, Radix Ginseng 3 to 5, Radix Ophiopogonis 2 to 4 and Chinese liquor 100 to 150. The preparation method thereof comprises the following steps: adding Radix Ginseng 3 to 5, Radix Ophiopogonis 2 to 4 and Radix Salviae Miltiorrhizae 2 to 3 in Chinese liquor, extracting twice to thrice, and adding seabuckthorn oil and crystal sugar. The healthy wine has effects on resisting oxidization, resisting aging, resisting tumor, improving immunity of human bodies, improving sub-health condition, alleviating anoxia, and postponing aging. The healthy wine is gentle and long-lasting, and has easy administration and dosage for common people, very low cost and no side effect.

The invention relates to chemical method detection test paper for stool occult blood and a preparation method of the chemical method detection test paper. The test paper comprises filter paper; the surface of the filter paper is sequentially provided with a first immersion liquid solidified layer and a second immersion liquid solidified layer from inside to outside; a mixed liquid composed of a buffering agent, lemon yellow, a surfactant, a chelating agent and water is cured, so that the first immersion liquid solidified layer can be obtained; and tetramethyl benzidine, cumyl hydroperoxide, a surfactant and a catalyst are dissolved in an organic solvent so as to form a liquid, and the liquid is solidified, so that the second immersion liquid solidified layer can be formed. Therefore, the test paper can rapidly react with hemoglobin in excrement rapidly. The test paper has the advantages of high detection efficiency, obvious color gradations and easiness in visually identifying and judging the rough amount of the bleeding of a patient. The test paper can correctly guide clinical medication. The test paper is prepared through a two-step immersion liquid method; the consumption of the surfactant is low; sensitivity is high; a result can be measured rapidly and accurately; production and processing are easy; and cost is low.

The invention belongs to the technical field of petroleum industry, and particularly relates to a preparation method of base oil of a drilling fluid. The method prepares the base oil of the drilling fluid through the steps: impurity removal; water removal; enzymatic pre-esterification; alkali catalytic esterification; distillation and the like. The method is environment-friendly and pollution-free in reaction and mild in reaction condition. As the pre-esterification time is shorter, the use level of alcohol is less, so that the alcohol has less influence on the activity of enzymes. The enzymatic catalyst can be repeatedly used, so that the cost is lowered, the reaction time is saved, and the production efficiency and the ester conversion ratio are improved. The base oil of the drilling fluid prepared by the invention is safe and energy-saving biological oil which is high in flash point and ignition point. The ignition point is higher than 93 DEG C, and the flash point is not lower than 130 DEG C. The base oil of the drilling fluid is safe to transport and use.