30results about How to "Increase the dosage ratio" patented technology

The invention provides a method for synthesizing polymer particles with a multilayer shell structure by semicontinuous emulsion polymerization, and belongs to the field of polymer chemical industry. Through semicontinuous polymerization technology, emulsion polymer nanoparticles with a multilayer shell structure can be synthesized, and the product has the advantages of small particle size, narrow particle size distribution, relatively high solid content, low emulsifier using amount, and the like, and has good application prospects in industrial production.

The invention provides a defoaming agent for landfill leachate and a preparation method thereof. An organic matter which is synthesized by monounsaturated fatty acid, fatty diacid and alkylol amine is introduced and used as a foam elimination and inhibition synergist E and is compounded with glycerin polyether M and linear or branched fatty alcohol polyether N with the carbon atom number of 10 to 20, wherein the organic matter foam elimination and inhibition synergist E can be used for improving the dispersion effect of polyether, so that the polyether can be dispersed into a system better; meanwhile, the dosage of the monounsaturated fatty acid is improved in a synthesis process of the organic matter so that the foam inhibition effect of the organic matter is improved. The defoaming agent has a good foam elimination and inhibition effect in a landfill leachate treatment process; meanwhile, the dispersity of the defoaming agent in the landfill leachate is finally improved; in an application process, the blocking of a terminal filtering membrane is not caused and the treatment efficiency of the landfill leachate is greatly improved.

The invention discloses a formaldehyde-free plant fiber mat. The fiber mat is realized by taking plant fiber as a raw material through the following manufacturing process consisting of the steps: A, loosening; B, mixing ingredients, adding the plant fiber and polyester fiber according to a proportion of 3-5:1 and uniformly mixing; C, loosening secondarily; D, combing, i.e., combing the plant fiber and eliminating tangling; E, lapping; F, needling, i.e., reciprocally interleaving the flatly laid plant fiber by using a plurality of needles to crochet and tangle the plant fiber in an interleaving manner; G, performing hot pressing, i.e., laminating a plurality of layers of plant fibers, and forming the mat body through hot pressing. The proportion of the plant fiber in the fiber mat with lower price and higher strength is greatly improved, so that the fiber mat has more natural flavor, the material cost is lower, the strength is higher, and the formaldehyde-free healthy ecological plant fiber mat product is produced. The invention also discloses a manufacturing process of the plant fiber mat. The fiber mat can be manufactured through the process without using glue or entering a baking box, so that the process is simplified to further improve the production efficiency and reduce the manufacturing cost.

The invention relates to an application of graphene to an epoxy resin composite material. A prepared PPTM (pentaerythritol tetra(mercaptopropionate) epoxy resin prepolymer) curing agent is adopted forcuring, the use amount of graphene, the use quantity of the curing agent and the variety of the curing agent are adjusted for optimized combination, and the epoxy resin composite polymer material containing graphene is prepared. The polymer material has the characteristics of being high in curing speed, good in mechanical property, low in cost and the like, graphene is dispersed more uniformly ina base material, compatibility of graphene and epoxy resin is good, the preparation method is simple, and little environmental pollution is produced.

The invention relates to a method for preparing high-protein sacchariferous feed by straws, which is characterized in that a straw powder raw evaporating material is mixed with complex enzyme; after carrying out saccharification hydrolysis, the product is accumulated and fermented by saccharomyces cerevisiae and lactobacillus planetarium; after the product is dried or granulated, the high-proteinsacchariferous feed is obtained. Compared with the prior art, the invention fully utilizes nutrient in the straws, improves a nutrient component of the feed, and is beneficial to the digestive absorption of livestock, wherein the crude protein content is improved to more than 21 percent, and the crude fiber content is lower than 14 percent; the dosage proportion of the straw feed in mixed feed and special feed can be improved, the dosages of concentrated feed and grain are saved; an experiment indicates that by adding 5 percent of sacchariferous feed into pig feed, the weight can be increasedby 6 percent, the economic benefits are improved by 12 percent, and the grain is saved by more than 65 percent; meanwhile, inherent resources of the straw are fully utilized, and the utilization ratio of the resources is improved; by reasonably utilizing the straws, the problem of environmental pollution caused by discarding and burning the straws is effectively solved; and the invention has the characteristics of simple and convenient operation, high degradation utilization ratio of the straws, high protein saccharide content, low cost and no environmental pollution.

The invention discloses diatomite-epoxy asphalt for expansion joint replacement and a preparation method and application of the diatomite-epoxy asphalt for expansion joint replacement. The diatomite-epoxy asphalt comprises, by mass, 100 parts of asphalt, 15-40 parts of epoxy resin, 20-55 parts of diatomite and 5-15 parts of solidifying agent. The preparation method includes mixing the diatomite with the epoxy resin to obtain a material A, mixing the solidifying agent with the residual diatomite to obtain a material B, and adding the asphalt so as to obtain the diatomite-epoxy asphalt. When applied to expansion joint replacement, the diatomite-epoxy asphalt is mixed with aggregate uniformly prior to construction.

The invention relates to a cloning method of a Chinese hirsutella, which is characterized in that: a bacteria tissue is cut into small pieces by operation knife in a steam deinfected glass bottle, inoculated on the surface of a medium in the glass bottle; the glass bottle is covered with an air permeable cover, and placed in a culativation region until the bacteria tissue is ripe. The invention makes use of the monosporous splitting breeding principle of fungus hirsutella, and successfully prepares qualified bacteria tissue with sexual characteristics of hirsutella that can be a substitute ofnatural Cordyceps aweto by cloning method.

The invention discloses a formula of an artificial mixed feed for adult reeves shad. The artificial mixed feed comprises the following components by percentage: 18 percent of white fish meal, 30 percent of red fish meal, 20 percent of first patent flour, 17 percent of bean pulp, 3 percent of beer yeast, 1 percent of gluten flour, 1 percent of squid powder, 0.1 percent of methionine, 0.3 percent of lysine, 0.3 percent of betaine, 2 percent of composite multi-dimensional, 1.5 percent of composite multi-minerals, 0.3 percent of Vc wax, 0.2 percent of gallbladder smoother, 0.6 percent of monocalcium phosphate, 0.5 percent of soya bean lecithin, 4 percent of mixed oil and 0.2 percent of Immune polysaccharide; meanwhile, the processing requirements are provided, unqualified raw materials and raw materials harmful to a human body are prohibited, and the compatibility of the components is kept in mixing and processing. By the artificial mixed feed, the growth speed of the adult reeves shad is improved, the feed coefficient is reduced, and the taste of the reeves shad is improved. Through experiments and years of culture condition statistics, the average rate of body weight gain in half a year is 1,758.6 percent, and the feed coefficient reaches 1.8. The formula of the feed and the processing technology meet nutritional requirement and intake requirement of the adult reeves shad in various culture stages.

The invention belongs to the technical field of copper-clad laminates, and in particular relates to a resin composition and a prepreg and a laminated board using the resin composition. The resin composition comprises: 15-55% of amine-modified bismaleimide (BMI), 10-45% of benzoxazine resin and 0-75% of epoxy resin according to the weight percentage of each component. %. In the present invention, by further reacting benzoxazine (BOZ) with amine-modified bismaleimide (BMI), the performance advantages of the two high-performance resins of BMI / BOZ are brought into full play, so that the preformed Dipping materials and copper clad laminates have high Tg, high peel strength, low CTE, low water absorption, low dielectric loss, high elastic modulus high temperature retention, good heat and humidity resistance, etc. And reach the UL94‑V0 flame retardant level.

The invention discloses temperature-resistant frosted soft sweets. The temperature-resistant frosted soft sweets are prepared from the following raw materials in parts by weight: 6 to 12 parts of gelatin, 0.4 to 1.2 parts of pectin, 3 to 8 parts of modified starch, 0.05 to 0.5 part of gellan gum, 15 to 25 parts of malt syrup and / or maltitol, 40 to 50 parts of white granulated sugar, 3 to 10 partsof glucose and 0.5 to 2 parts of total acid, wherein the total acid is a mixture of citric acid, DL-malic acid and buffered lactic acid. After the soft sweets provided by the invention are dried, frosted layers with uniform thickness are formed on the surfaces of the soft sweets in a moisture balance period, so that improvement on the taste of the soft sweets is facilitated; after the frosted layers are formed on the surface, cut-off performance of the soft sweets is enhanced, and the soft sweets are chewed more easily, temperature resistance performance of the soft sweets is further improved,long-distance transportation in high-temperature summer season can be endured, and the stability of the soft sweets is ensured. Due to the frosted layers, barrier between nutrients and external air is formed, so that the stability of the nutrients added in the soft sweets is facilitated.

The invention relates to a method for recovering and reusing an aluminum nickel cobalt permanent magnet alloy waste material, and belongs to the technical field of permanent magnet alloys. According to the adopted technical scheme, the method for recovering and reusing the aluminum nickel cobalt permanent magnet alloy waste material comprises the steps that the aluminum nickel cobalt permanent magnet alloy waste material is pretreated and matched with a new material, the waste material and the new material are smelted together, smelted molten metal is poured in a sand mold for cooling forming,a formed casting is subjected to sand removal, pre-machining, solid solution heat treatment, cooling, tempering heat treatment and finish machining, and thus the finished casting is obtained. The method has the effects of low production cost, high product pass rate and good magnetic performance.

The invention provides a sponge material as well as a preparation method and application thereof. The preparation method of the sponge material has a simple process; the specific addition reaction sequence is used; after the polyvinyl alcohol crosslinking to a certain degree, chitosan solids are added for further reaction; the consumption proportion of the chitosan can be obviously improved; the chitosan can sufficiently take part in the crosslinking reaction; the condition of excessive chitosan falling in the obtained sponge material cannot be caused; the comprehensive performance such as porosity, water absorption rate, moisture preservation rate and ventilation rate of the obtained sponge material can be sufficiently ensured; meanwhile, the obtained sponge material can achieve an excellent treatment effect on the affected part. The sponge material has high chitosan content ratio, high porosity, high water absorption rate, high moisture preservation rate, high ventilation rate and excellent comprehensive performance. The sponge material can be used as medical dressing; the excellent treatment effect can be achieved on the affected part.

The invention discloses a method for preparing pazufloxacin mesilate and a powder injection thereof. The method is as follows: a reaction system which is formed by pazufloxacin and methane-sulforic acid as well as a solvent of acetone is subjected to heating and reflux, cooling and crystallization, and separation to obtain the pazufloxacin mesilate, and the pazufloxacin mesilate is then subjectedto aseptic filling and freeze drying to obtain the powder injection of pazufloxacin mesilate. The preparation method of the invention can produce pazufloxacin mesilate for injection which has stable quality.

The disclosure proposes a low-torque pulsation high-speed axial flux surface-mounted permanent magnet motor, including: two axially arranged rotors and a stator located between the two rotors, and the distance between the two rotors and the stator is not equal , that is, the length of the air gap between the two rotors and the stator is not equal. The structure of the high-speed axial flux permanent magnet motor makes the direction of the centrifugal force and the electromagnetic tensile stress on the rotor orthogonal, that is, the permanent magnet sheath does not affect the axial effective air gap length, and the design of the permanent magnet and its sheath is more diverse. , which is conducive to finding the best design solution.

The invention relates to a graphene / epoxy resin composite high polymer material. A prepared pentaerythritol tetramercaptopropionate epoxy resin prepolymer (PPTM) curing agent is used for curing, and the dosage of graphene, the dosage of the curing agent, the species of the curing agent are adjusted and optimally combined, so that the graphene / epoxy resin composite high polymer material is prepared. The high polymer material has the characteristics that the curing speed is fast, graphene is uniformly dispersed in a base material, the compatibility of the graphene and epoxy resin is good, the obtained material is good in mechanical property and low-cost, a preparation method is simple, environment pollution is less, and the like.