103results about How to "Improve the production process" patented technology

The invention discloses a low-calcium boron-chromium-zirconium-copper alloy with high strength and high electrical conductivity and a preparation method thereof. The chemical components of the alloy are: 0.2-1.5wt percent of chromium, 0.02-0.3wt percent of zirconium, 0.0003-0.05wt percent of calcium, 0.0003-0.04wt percent of boron and 0.01-0.5wt percent of other components, wherein, other components are at least one of the elements of: galvanized iron, zinc, silicon, tin, niobium, antimony, bismuth and lead; the rest is copper and inevitable impurities. The preparation method comprises: alloy smelting, thermal extrusion with severe deformation, multilevel thermal treatment and multistage aging under the temperature between 320 DEG C and 480 DEG C for 1-6 hours. The obtained alloy is characterized by high intensity, high conductivity, high softening point, good wear-resistance performance, good welding ability and formability, which is applicable to the manufacturing field such as automobile, high speed train, household appliances, aerospace, electronic telecommunication, metallurgical continuous casting, motor, injection precision mold, etc.

A low-molecular potassium alginate is prepared from edible seaweed, kelp, seatent, etc through extracting in hot water for 1-5 hr, separating, vacuum concentrating to obtain alginic acid, adding potassium salt to obtain potassium alginate, and degradating by enzyme. It can be used to prepare the medicines for lowering blood pressure and decreasing blood fat, blood sguar and cholesterine.

The invention discloses a method for preparing a buffer material from plant straws. The method is used for buffer material manufacture. The method comprises dehydrating, crushing and mixing plant straws and wood wastes, mixing the powder and water according to a certain ratio to obtain a uniform mixture, sterilizing the mixture as a medium, putting the medium into a mold in an aseptic environment, inoculating the medium with a liquid strain, carrying out culture under control of ambient conditions, after the mycelia fills the medium, develops sporocarp and forms a sporocarp surface layer, carrying out drying and then separating the medium and the mold to obtain the buffer package material. The agricultural production plant straws and forestry production wood waste are recovered and are used for preparing the buffer package material. The method has simple processes, does not produce pollution, has a low production cost and is an economic, effective and environmentally friendly buffer material production technology. The product has good buffer performances and can be degraded easily.

A muscardine oil as pesticide is prepared from the muscardine spore powder, antioxidizing agent, ultraviolet absorbent, cynergistic and oil through proportionally mixing. It can increase the white muscardine rate of pests to 70% or more within one month.

The invention discloses an antibacterial powder coating and a production technological method thereof. The antibacterial powder coating comprises, by weight, 40-50 parts of epoxy resin, 20-30 parts of polyester resin, 10-20 parts of antibacterial agent, 5-15 parts of titanium dioxide, 2-9 parts of iron oxide red, 3-10 parts of nanofiller, 2-7 parts of curing agent and 4-12 parts of flatting agent. The antibacterial powder coating prepared through the method is good in bactericidal performance, environmentally friendly, free of pollution, high in film hardness, high in adhesive force, simple in production technological method and suitable for the fields of kitchens, household appliances, food industrial equipment, medical treatment and the like by using the raw materials of the rational proportion.

The invention relates to the field of new edible mushroom cultivation techniques, in particular to a method for shortening a cultivation period of needle mushroom during production. The method comprises the following steps of: with grains as a main raw material, preparing a culture matrix, wherein the grains are rich in nutrition, the culture matrix made of the grains is hardened so that inoculated strains can be easily dispersed and can penetrate into the culture matrix; inoculating by utilizing liquid strains, wherein the cultivation period of the liquid strains is short, the inoculation operation is convenient and fast; and carrying out shaking, clamping and other measures on the culture matrix in a bottle after inoculating so that the inoculated liquid strains are in full contact with the culture matrix in the bottle and cultivated hypha can fully grow in the bottle after 10-20 days. Through the embodiment of the invention, the whole period of the preparation of the mushroom culture matrix only need 25-27 days, but the whole period of the preparation of the mushroom culture matrix by the traditional method needs three months nearly, thus the production efficiency is largely improved; in addition, compared with the traditional method, the method has the advantages that the cultivated needle mushroom is two stubbles more than needle mushroom cultured by the traditional method and the utilization rate of the field is largely improved; and the method disclosed by the invention is more beneficial to industrial, intensive and extensive production of needle mushroom.

The invention relates to a method for preparing a hierarchical-pore phosphorus-doped carbon material from biomass. The method comprises the following steps: firstly, crushing the biomass into tiny particles; then uniformly mixing the crushed biomass particles with a phosphoric acid-containing solution according to a certain ratio to form a mixture; putting the mixture into a hydrothermal reactionkettle, and carrying out a hydrothermal reaction at a certain temperature to generate hydrothermal carbon; dehydrating and drying the hydrothermal carbon obtained after the hydrothermal reaction; andputting the dried hydrothermal carbon into a pyrolyzing furnace, and carrying out rapid pyrolysis under the protection of an inert atmosphere to obtain a hierarchical-pore phosphorus-doped carbon material after rapid pyrolysis. According to the method disclosed by the invention, a rapid pyrolysis scheme is combined with phosphoric acid hydrothermal pre-carbonization, so a very ideal effect can beachieved only by performing rapid pyrolysis in a very short time, carbon preparation efficiency is greatly improved, and energy consumption is remarkably reduced; and meanwhile, due to the existence of phosphorus, a good carbon sequestration effect can be achieved, and carbon yield is increased.

The invention discloses a formula of capsules for effectively improving the activity of life cells and a production process method of the capsules, belongs to the field of Chinese patent medicaments and health care products, and fills the gap at home and abroad. The formula is comprised of cooked rehmannia, cinnamomvine, cornus fruit, tuckahoe, dodder, medlar, milk vetch, angelica, twotooth achyranthes root, eucommia bark and activity powder. The production process method comprises material selection, washing, drying and sterilization, rough preparation, even mixture with the activity powder, grinding, checking, encapsulation, checking and packaging for later use in turn. The clinic use of the capsules in 30 cases for one month shows that the capsules have an average spermatid density increase ratio of 116.91 percent, an average spermatid activity(A plus B) improvement ratio of 105.36 percent, and no toxic nor side effects; the capsules are suitable for treating male sterility due to few, weak, abnormal and dead sperms and have anti-aging, health-care and life-prolonging functions; and the capsules have a wide market prospect both at home and abroad and huge commercial values.

The invention discloses a PVC(polyvinyl chloride) foam core material and a production process thereof, and relates to the field of foam materials, the PVC (polyvinyl chloride) foam core material comprises the following raw materials by mass: 30%-80% of PVC (polyvinyl chloride), 10%-50% of an isocyanate, 2%-10% of a foaming agent, 0.5%-4% of an epoxy component, 2%-20% of an anhydride component and 1%-3% of a filler, in production process of the PVC foam core material, first, the raw materials excepting the PVC are pre mixed, then the PVC is added for main mixing, and after the material manner of the two steps of pre mixing and main mixing, a staged temperature control method is used for mould pressing to achieve uniform blank forming, then a staged heating and heat preservation mode is used for expansion, and finally curing is performed. The production process is simple, finished product ratio is high, the production process is suitable for large-scale production; and the prepared PVC foam core material has low density and high strength, and can be used in the field of wind turbine blades and other industries, the finished product ratio is high, and product quality is good.

The invention discloses an albizia falcataria forest tree selecting fast seedling growing method. The method comprises the steps of taking sprouted branches of selected trees in a forest as explants, and inoculating into a cluster sprout induction medium after sterilizing and inducing cluster sprouts; inoculating the cluster sprouts into a subculture proliferation medium for subculture; then inoculating into a rooting medium for rooting culturing and performing seedling hardening and field culturing management after rooting. According to the method, by adjusting proportions and concentrations of massive elements and hormone, the proliferated nursery stock quality and tissue culture seedling rooting rate are improved, a tissue culture production process flow is improved, the production cost is reduced, production efficiency is improved, and superior clone industrialized and large-scale production of the albizia falcataria is realized.

The invention provides a production method of an antibacterial coating, the antibacterial coating and a ventilated antibacterial film containing the antibacterial coating. The production method comprises the following steps: S1: weighing materials in a raw material formula in parts by weight; S2: adding cyclomethyl methacrylate, butyl acrylate, nano TiO, methacrylic acid hydroxylpropyl sulfonic acid, acrylic resin, polyoxyethylene ether, an emulsifying agent, de-ionized water, a pH regulator and a film-forming addition agent into a mixer and pre-stirring, wherein the stirring speed is 3000rpm/min to 6000rpm/min and the stirring time is 0.1h to 0.2h; S3: fusing and extruding the mixed raw materials obtained by the step S2 through an extruder, tabletting and crushing through a tabletting machine, micro-crushing by a crusher and screening in a rotary manner in sequence to finally obtain antibacterial coating powder. The production method of the antibacterial coating, provided by the invention, is finished through three steps; the production process method is simple and the production method is simple; the production time is short and the production efficiency is greatly improved.

The invention discloses a manufacturing process for a silver zinc oxide copper oxide electrical contact and an electrical contact product. In the manufacturing process, the electrical contact product is manufactured through smelting, ingot casting, hot extrusion, drawing into ally wires, forming of required specification of sheet through cold heading, then diffusion annealing and oxidation treatment. The electrical contact product produced by adopting the preparation method is characterized in that the electrical contact product is low in surface contact resistance, good in electrical property and arc extinguishing performance, high in welding resistance and good in combination property. The processing method is simple, the material utilization rate is high, the detrimental impurity is few, the production cost is low, and the production cycle is low. The economic benefit and social benefit are particularly obvious.

This invention relates to a method for producing a tobacco etch virus protease by means of genetic engineering and the application thereof, beloning to the genetic engineering field. The preparation of his-tagged recombinant tobacco etch virus protease comprises the expression of the soluble tobacco etch virus protease with his-tag in E.coli, and one-step purification through Ni2+ affinity chromatography. The protease can specificly identify and excise the substrates with excision sites of tobacco etch virus protease, with high efficiency and low cost. It can be used as the tool protease in spcificly excising proteins, polypeptides and recombinant fused proteins, which can be used in research of bio-pharmacy manufacturing, genetic engineering, biochemistry, molecular biology, and so on.

An aromatic vinegar preparation method includes steps: putting glutinous rice in a soaking tank, adding clean water for soaking for 15-24 hours, taking out, draining off, preparing fermentation broth, preparing fermented grains and sprinkling. The aromatic vinegar preparation method has the advantages that a formula is scientific, reasonable and novel, nutrients of normal table vinegar can be enriched while original flavor of the table vinegar is reserved to facilitate consumption; the method is simple and feasible, no complicated equipment is needed, product nutrient enriching efficiency is high, and energy saving, low production consumption and low cost are realized.

The present invention relates to highgloss cold porcelain internal wall knife coating paint, it is prepared by mixing corn starch glue, cellulose glue, polyvinyl alcohol glue, light calcium carbonate powder, sierozem powder, heavy calcium carbonate powder, talc, assistant etc., grind to obtain product. Characteristics include: non toxic, odourless, no pollution to environment, no public hazard etc.

The invention discloses a method for producing mushrooms through straw stack materials. The method is characterized in that straw and cow dung serve as base stocks, pig dung, chicken dung, duck dung, peanut bran, urea, superphosphate, land plaster, calcium superphosphate and marsh gas are added in the straw and the cow dung to be evenly mixed and scattered on a straw face or the soil of a mushroom bed, the carbendazim, kelthane, dimethyl dichloroviny phosphate and formalin are sprayed to kill germs and insect pests to achieve the purposes that the mushrooms grow more quickly, the yield reaches to 7-9 kg/m<2>, the mushrooms are high in yield, and good in quality and taste, the waste is utilized, the investment is low, the effect is taken quickly, earnings are large, and both production and income of farmers can be increased.

The invention relates to the technical field of synthesis of amino aromatic substitutes, in particular discloses a method for preparing an amino aromatic substitute by reducing a nitro aromatic substitute. The method comprises the following steps that water and a catalyst are added into a first reactor, the reactor is heated, a reduced iron agent is added, the pH value is adjusted, meanwhile, thenitro aromatic substitute is added into the first reactor, and heat preservation reaction is carried out so as to obtain reaction feed liquid; the pH value of the reaction feed liquid is adjusted, heat preservation reaction is carried out, and a stabilizer is added so as to obtain a first solution containing the amino aromatic substitute and an iron black crude product; and the pH value of the first solution is adjusted, and solid-liquid separation is carried out so as to obtain the amino aromatic substitute. The production technological method provided by the invention is simple, continuous production can be realized, the operation safety and the selectivity is relatively high, the reaction time is short, the yield reaches up to 90% or above, the product quality is good, and the content reaches 98% or above.

The invention relates to the technical field of fine chemicals, in particular to a method for preparing iron oxide red pigment and synchronously producing aromatic amine. The method comprises the following steps: preparing an iron oxide red seed crystal from an oxidant nitro aromatic compound and ferrous iron under the action of a catalyst, reducing the nitro aromatic compound by using iron powder, synchronously generating iron oxide in situ, and growing iron oxide red with pigment performance on the seed crystal. The method particularly provides a clean and economic way for preparing aromaticamine by reducing aromatic rings containing other easy-to-reduce substituent groups.

The invention provides a flexible current collector battery and a production method thereof. The production method comprises the steps of preparing an electrode plate of a flexible current collector and carrying out cutting production; and assembling at least one group of positive and negative electrodes of the flexible current collector and at least one membrane into a core body, enclosing the core body into a housing and carrying out liquid injection and sealing to produce the flexible current collector battery. The flexible current collector battery comprises at least one group of positiveand negative electrodes of the flexible current collector, at least one membrane arranged between the positive and negative electrodes of the flexible current collector, an electrolyte for wetting theelectrodes of the flexible current collector and the membranes, and a battery housing coating the electrodes of the flexible current collector, the membranes and the electrolyte. The method is simple; improvement is carried out on the basis of the prior art; the cost of the method is low; the process is easy to implement; and a lithium-ion battery product has the characteristics of being high inconductivity, high in safety and high in flexibility.