181results about How to "Moderate fluidity" patented technology

The invention discloses a preparation method of yttrium oxide-stabilized zirconia pelletized powder. The method comprises the following steps: mixing yttrium oxide-stabilized zirconia powder, deionized water and a dispersing agent in a mass ratio 1:(1-1.5):(0.001-0.015), and performing ball milling on the mixture to obtain a sizing agent; adding a bonding agent into the sizing agent, and stirringthe mixture for 3-6 hours; and pelletizing the stirred sizing agent to obtain the yttrium oxide-stabilized zirconia pelletized powder. According to the preparation method of the yttrium oxide-stabilized zirconia pelletized powder, the ratio of the yttrium oxide-stabilized zirconia powder to the deionized water to the dispersing agent is adjusted appropriately, so that the sizing agent obtained bymeans of ball milling has appropriate solid content; and meanwhile, after the bonding agent is added and stirring is performed, the fluidity and viscosity of the sizing agent are moderate, so that the sizing agent is prevented from being stuck to a feeding tube in a pelletizing feeding process and can be effectively used for pelletizing, and the yield of the pelletized powder is over 94 percent.

The invention relates to a paste for preventing and curing stem borers, which is prepared by mixing the following raw materials based on the weigh ratio: 0.1-4 parts of botanical pesticide, 4-6 parts of kaolin, 0.5-1.5 parts of glycerol, 0.3-1 part of thickening agent and 10-13 parts of water. The paste has the advantages of certain stickiness, moderate mobility and long moisturizing period and pesticide effect period and has small possibility of drying and volatilizing. The paste is neutral and nontoxic, is safe to plants and does not pollute environment. The prevention and cure effect of the paste on Anoplophora glabripennis is improved by 64.4-69.8%, the prevention and cure effect on the Apriona swainsoni is improved by 50.6%, and the prevention and cure effect on small carpenter moths is improved by 13.8%. Meanwhile, the use amount and the loss amount of pesticides are lowered, thereby lightening environmental pollution.

The invention discloses a nickel-based single-crystal high-temperature alloy connecting powder brazing filler metal as well as a preparation method and an application thereof, and belongs to the technical field of high-temperature alloy brazing materials. The brazing filler metal comprises the following chemical components (wt.%) of 10.0%-15.0% of Cr, 7.5%-13.5% of Co, 3.0%-8.5% of W, 0-4.5% of Al, 2.5%-5.5% of Mo, 2.5%-6.5% of Ti, 0-5.0% of Si, 0-2.0% of B, 0-3.0% of Fe and the balance Ni. The powder brazing filler metal is prepared by an atomization powder spraying method and is used for high-temperature alloy brazing connection. The brazing temperature is 1220-1320 DEG C, and the brazing time is 10-360 minutes. According to the powder brazing filler metal, the high-temperature performance brazing connection problem of a single crystal high-temperature alloy is solved and the important application value is achieved.

The invention belongs to the technical field of drug preparations, and relates to a Metoprolol succinate sustained release tablet and a preparation method thereof. The sustained release tablet includes a tablet film coating material and a tablet core coated with the coating, the tablet core comprises a pellet and accessories, the pellet comprises, from the inside to the outside, a blank pill core,a drug-loading coating layer, a sustained release coating layer and a protective coating layer, the drug-loading coating layer comprises Metoprolol succinate and a drug-loading pellet coating adhesive, the sustained release coating layer comprises a sustained release pellet coating layer coating material, a pore forming agent, a plasticizer and an anti adhesion agent, the protective coating layerincludes a protection pellet coating adhesive, the accessories include a filler, a disintegrating agent and a lubricating agent. The sustained layer of the release tablet is externally wrapped with the protective layer, and the problems of slow release ability reduction and unqualified content uniformity caused by excess fluidity and the like due to the damage of the sustained release layer can be solved.

The invention relates to a Jun red glaze and a preparation method thereof, wherein the Jun red glaze comprises, by weight, 28-35 parts of quartz, 16-20 parts of albite, 12-16 parts of potassium feldspar, 4-8 parts of clay, 13-18 parts of calcium carbonate, 1-3 parts of boron oxide, 1-2 parts of lithium carbonate, 1-3 parts of zinc oxide, 2-4 parts of iron oxide, 1-2 parts of cupric carbonate, 1-2 parts of manganese carbonate, and 1-2 parts of cobalt oxide. According to the present invention, the glaze surface of the prepared ceramic product has characteristics of uniform deep red color, good glossiness, bright color, moderate fluidity and fine lines, the high-temperature firing process has the suitable viscosity so as to avoid the defects of glaze flowing and foot setoff due to the excessive high temperature fluidity, the yield is high, and the cost is low.

The invention discloses cobalt-based powder brazing filler metal for high-temperature alloy connecting as well as a preparation method and application of the cobalt-based powder brazing filler metal,and belongs to the technical field of high-temperature alloy brazing materials. The brazing filler metal comprises the following chemical components of, in percentage by weight, 12.0-22.0% of Cr, 15.0-30.0% of Ni, 4.0-17.0% of W, 0.5-6.5% of Al, 0.5-8.5% of Mo, 0-8.0% of Ti, 0-3.0% of Si, 0-3.0% of B, 0-7.5% of Fe, 0.2-5.0% of Nb, and the balance Co. The powder brazing filler metal is prepared bya gas atomization method and is used for high-temperature alloy brazing connection. The brazing temperature is 1170-1270 DEG C, and the brazing time is 10-150 minutes. The cobalt-based powder brazingfiller metal solves the high-performance brazing connection problem of the high-temperature alloy, and has important application value.

Jun red glaze is prepared from the following raw materials in parts by weight: 37 to 43 parts of melilite, 13 to 19 parts of quartz, 10 to 16 parts of calcite, 4.5 to 5.5 parts of sodium metasilicate, 12 to 18 parts of frit, 0.5 to 1.5 parts of bovine-derived power, 2.5 to 3.5 parts of stannic oxide, 3.5 to 4.5 parts of zinc oxide, 2 to 3 parts of talc, and 0.25 to 0.75 part of copper oxide. Compared with the prior art, through scientific and reasonable raw material matching and control on the firing process, the prepared jun red glaze is bright in color, good in glossiness, and moderate in flowability, and has fine cracks, the glazing colors are rich, on the basis of jun red, the colors including yellow, blue, purple and the like exist, the color transition is clear, distinct and natural, the rate of finished products is high, reaching 75% or above, the blank of no colorful graze exists in jun red glaze is filled, and a new variety is provided for jun red glaze.

The invention discloses a high-strength non-shrinkage grouting material with early strength and an autogenous curing function and a preparation method of the grouting material. The grouting material is prepared from components in parts by weight as follows: 40-45 parts of cement admixture, 50-55 parts of fine aggregate, 2-5 parts of steel fiber and 0.5-2 parts of a premix. The prepared grouting material has moderate flow property, can neither cause segregation and layering phenomena due to too sparse slurry nor poor flow property and filling difficulty due to too dense slurry, and the grouting material has the advantages of high strength and low probability of cracking.

The invention discloses a special material for an UHMWPE (Ultrahigh molecular weight polyethylene) alloy capacity increasing and toughening modified polypropylene corrugated pipe and a preparation method of the special material. The special material comprises, by weight, 60-85 parts of block co-polypropylene granules, 5-10 parts of fillers, 5-30 parts of capacity increasing and toughening agents and 1-5 parts of flowability modifiers. The corrugated pipe produced by the special material has the advantages of good mechanical properties, better low-temperature impact resistance, high heat distortion temperature, high heat conductivity coefficient, good flame resistance, good surface glossiness, good production stability and the like.

The invention discloses a high-transparency flame-retarding polycarbonate thin film/sheet material as well as a preparation method and application thereof. The high-transparency flame-retarding polycarbonate thin film/sheet material is characterized by being prepared by melting and extruding a mixture of 100 parts of bisphenol A type polycarbonate by mass, 2 to 15 parts of long-chain branched polycarbonate by mass, 0.1 to 10 parts of a flame retardant A by mass, 3 to 20 parts of a flame retardant B by mass, 0.2 to 2 parts of a chain extender by mass, 0.5 to 1 part of an antioxidant by mass and0.2 to 2 parts of a thermal stabilizer by mass through a casting extruder at 240 DEG C to 320 DEG C, and casting, pouring and cooling on a cold roller at 80 to 110 DEG C; the light transmittance of the thin film/sheet material is 86 percent to 95 percent; the flame-retarding performance of different thicknesses can reach UL94VTM-0 or UL94V-0 respectively; the thin film/sheet material can be compounded with carbon fibers and glass fibers to manufacture composite materials of household appliance/computer shells, automobile interior and exterior trimmings and the like; the high-transparency flame-retarding polycarbonate thin film/sheet material has the advantages of good heat dissipation, light weight, good wear resistance and easiness for coloring.

The invention discloses a preparation method of normal-temperature yoghurt containing complete fruit granules. The preparation method comprises the following steps: evenly mixing 90% to 95% pre-sterilized antibiotics-free milk, 4% to 8% of sweetening agent, 1.0% to 1.5% of modified starch and 0.2% to 0.6% of stabilizer in a vacuum material mixing mode, homogenizing and performing pasteurization onhomogenized liquid; adding 0.003% to 0.009% fermenting agent to perform fermentation and performing demulsification and sterilization when acidity reaches 70 to 90 thorner degrees to obtain a yoghurtbase material with a viscosity as 300 to 500cP; mixing 30% to 40% of white granulated sugar, 50% to 60% of mixed berry fruit granules, 0% to 1% of edible essence and 0.5% to 2% of PH modifier to obtain a mixture and storing the mixture under 4 to 10 DEG C, wherein the percents are mass percents of all the ingredients in the mixture; sterilizing and filling to obtain mixed berry fruit granules with a viscosity as 300 to 500cP; setting a mass ratio of the yoghurt base material adding amount to the mixed berry fruit granule adding amount as (9 to 8) to (1 to 2), mixing under a static state at first, then stirring to be mixed under a dynamic state and filling after being mixed. By means of a conveying and mixing mode of the yoghurt, the fruit granules can be evenly distributed in the yoghurt;furthermore, the mixing mode cannot affect system stability and granule completeness of products in the expiration date.

The invention provides a garlic residue-based liquid mulching film and a preparation method thereof, the mulching film is prepared by using garlic residue slurry, pre-gelatinized starch and an acrylic monomer mixture as main raw materials, and the reaction process relates to a pre-oxidation process, a pre-emulsification process and an emulsion free radical polymerization process under the action of an initiator; the emulsion obtained after the reaction is not easy to layer and has stability, proper viscosity and sprayability; and compared with bare soil which is not covered with the mulching film, the garlic residue-based mulching film can improve the water content in the soil and the soil temperature, and can also improve the yield of the pakchoi. The garlic residue-based liquid mulching film also can resist the invasion of plutella xylostella to pakchoi. The crop waste resource, namely the garlic residues, is fully utilized, so that the method is low in cost, few in related production links, easy to operate and suitable for popularization and application.

The invention discloses a longitudinal watertight cable for vessel in the technical field of watertight cables. A first waterproof sealant is arranged outside a plurality of cables, a gap between thefirst waterproof sealant and a cable is filled with a water blocking filler, an inner sheath is arranged outside the first waterproof sealant, a shielding layer is arranged outside the inner sheath, asecond waterproof sealant is arranged outside the shielding layer, and an outer sheath is arranged outside the second waterproof sealant. The longitudinal watertight cable is good in sealing performance, and can bear capability of high-pressure water moving along a longitudinal direction of the cable, and the cable has the advantages of high flame retardance, no halogen, low toxicity, moderate mobility of the filler and high pressure resistance and is applicable to the development requirement of the vessel and deep-water equipment.

The invention discloses physical-foaming silty lightweight solidified soil. The physical-foaming silty lightweight solidified soil comprises, by mass, 2-3.5% of foam, 80-85% of sludge slurry, 12-16% of inorganic composite curing agents, 0.1-0.2% of viscosity reducer and 0.2-0.5% of early strength agent. The invention further discloses a preparation method of the solidified soil. The lightweight solidified soil has the advantages of light weight, high strength, high stability, easiness in pumping, and the like; sludge is regarded as an important component of the lightweight solidified soil, theresource utilization of the sludge is realized, and the environmental protection advantage is prominent; the lightweight solidified soil can be used as filling soil to be backfilled for highway subgrades and abutments, retaining wall backs, underground projects and pipeline projects; the physical-foaming silty lightweight solidified soil is an environment-friendly building material.

The invention relates to a shield excavation gap synchronous grouting slurry for a water-rich powdery soil layer, the synchronous grouting slurry is a double-liquid slurry formed by mixing and stirring a liquid A and a liquid B. The liquid A comprises the following concrete components in terms of per cubic meter: 100 to 200 kg of cement; 400 to 600 kg of fly ash; 40 to 80 kg of bentonite; 600 to 800 kg of sand; 20 to 70 kg of lime; 400 to 550 kg of water; 6-9 kg of a water reducing agent; and 10 to 20 kg of KFA (potassium fluosilicate); wherein the solution B is a water glass solution, and the volume ratio of water glass to water is (3-4): 1; the liquid A and the liquid B are mixed and stirred according to the volume ratio of 10: 1. The synchronous grouting slurry disclosed by the invention can be widely applied to a powdery soil layer and is not limited to a pure sandy cobble layer and a pure clay layer, and double slurries can be gelled in an extremely short time, so a reinforcing effect of filling and solidifying is rapidly achieved.

The invention relates to a high-defoaming epoxy resin packaging material which is characterized by comprising the following components in portions by weight:100 portions of liquid epoxy resin, 5-9 portions of dicyandiamide, 0.05-0.5 portion of N-methyl pyrrolidone solution of carbamate compounds, 1-5 portions of modified imidazole accelerant, 0.1-1 portion of non-conducting carbon black, 0-5 portions of aphyl glycidol ether, 0.05-0.5 portion of organosilane defoaming agent, 40-80 portions of silicon dioxide and 40-80 portions of aluminium hydroxide. The invention also provides a preparation method of the high-defoaming epoxy resin packaging material. The high-defoaming epoxy resin packaging material has the advantages of moderate flowability and high defoaming capacity in the application process, smooth surface and no bubble or pit after curing, and compact inside and no pore residue in the cured material; and the curing temperature is moderate, and the cured material has the advantages of high heat resistance, electric insulating property and strong binding power.