42results about How to "Weakly acidic" patented technology

The invention relates to a suspension bed hydrocracking catalyst which comprises a carrier and transitional metal loaded on the carrier, and the loading capacity of the transitional metal is 0.5-10 weight percent on the metal oxide basis; the transitional metal is selected from one or a plurality of types of VIB and VIII group metals, and the carrier is catalytic cracking dead catalyst with the grain size no less than 150Mum. The suspension bed hydrocracking catalyst can be used for the suspension bed hydrogenation modification and the suspension bed hydrocracking of heavy oil and residual oil.

A minced fillet product producing method relates to aquatic product processing and comprises the following steps: grinding without any addictive: adding a protease inhibitor and an acid seasoning aqueous solution into semi-thawed minced fillet, and chopping, blending, grinding and mixing uniformly at 4-10 DEG C; grinding with salt: adding salt and glucolactone into the ground minced fillet, grinding at 4-10 DEG C; gelating: shaping and heating the ground minced fillet, and gelating the minced fillet; and refrigerating: packaging in a sealing way, and refrigerating at 4-10 DEG C to obtain a minced fillet product. Only medium-temperature heating is required, so that the energy consumption is reduced and the production cost is reduced; the minced fillet product producing method is simple in process, low in requirement on equipment, short in production period and high in production efficiency; and the produced minced fillet product is faintly acid, low in fishy taste, strong in fresh fish meat taste, more compact in internal structure and macroscopically dedicate in mouth feel, and is superior in gel strength to he conventional minced fillet product heated at a high temperature.

The invention discloses an efficient controlled-release organic fertilizer for grapes and a preparation method of the efficient controlled-release organic fertilizer. The efficient controlled-release organic fertilizer comprises the following raw materials in parts by weight: 30-40 parts of calcium magnesium phosphate-coated urea, 20-40 parts of monopotassium phosphate, 25-35 parts of potassium sulfate, 15-20 parts of peanut meal, 10-15 parts of corn straw charcoal powder, 5-8 parts of diatomite, 15-25 parts of bentonite, 1-2 parts of borax, 4-6 parts of modified humic acid, 20-40 parts of animal wastes, 20-30 parts of rape seed cakes, 1-3 parts of ferrous sulfate, 0.5-1 part of manganese sulfate, 1-2 parts of copper sulfate, 1-2 parts of ammonium molybdate and 1-3 parts of polyvinyl alcohol. The invention further discloses the preparation method for the efficient controlled-release organic fertilizer. The efficient controlled-release organic fertilizer is rich in nutrient substance and good in controlled-release effect.

The invention relates to a processing method of a SMD quartz crystal resonator. The processing method comprises the following steps: firstly providing a complete board resonator semi-finished product, wherein the complete board resonator semi-finished product comprises a base complete board and a cover complete board covered on the base complete board; and then cutting the cover complete board on the complete board resonator to form single base cover boards, and spraying and coating protective layers on the upper surface and sections of each cover board, wherein the method for spraying and coating the protective layer comprises pretreatment process and spraying and coating process; the pretreatment process comprises cleaning, washing, air showering and drying; the spraying and coating process comprises the following steps: firstly spraying and coating the spraying and coating material on the upper surface and section of each base cover board of the resonator complete board by using an electrostatic spraying and coating process to form the coatings, and then performing curing treatment on the coatings to form the protective layers on the upper surface and the section of each base cover board. The processing method disclosed by the invention aims at improving the salt mist resistance and high temperature and high humidity resistance of the SMD quartz crystal resonator under the severe environment. The invention further relates to a resonator prepared by adopting the above-mentioned method.

The invention relates to a processing method based on comprehensive utilization of stems and roots of cucurbitaceae melon plants. The processing method comprises the following steps: boiling and leaching stems and roots of cucurbitaceae melon plants by using alkaline water as a solvent, acidifying a leachate to form a low-water-solubility bryonolic acid precipitate, separating, washing, recrystallizing and refining to obtain a bryonolic acid product; after performing drying, ultra-fine pulverization and enzymolysis treatment on leached waste residues, adding a moisture adjustment material, sterilizing, adding compound bacteria accounting for 8-12% by weight of a base material, fermenting, drying at a low temperature to obtain a biological protein feed product with a grain size of 80-90 meshes; pulverizing the waste residues, using 20-40% by weight of stem and root residue powder, 50-70% by weight of animal manure, and 10-15% by weight of saccharomycetes, fermenting, placing for 1 week at a temperature of 75-90 DEG C and humidity of 85-95%, drying, pulverizing, mixing 92.2-95.2% by weight of fermented material powder and 4.8-7.8% of compound microbial flora, and distributing, granulating, screening and packaging to obtain a bio-organic fertilizer product according to the conventional method.

The invention discloses a humic acid soil conditioner, and a composition, preparation method and application method thereof. The composition comprises, by weight, 8.3 to 16.7 parts of cottonseed meal, 2 to 3 parts of a KOH solution, 0.5 to 2 parts of a polyacrylic acid substance and 0.01 to 3.0 parts of inorganic fertilizer. The preparation method comprises the following steps: preparing cottonseed meal humic acid from the cottonseed meal and KOH solution; and then adding the polyacrylic acid substance and inorganic fertilizer so as to obtain the humic acid soil conditioner. The humic acid soil conditioner is simple in preparation flow, easy to apply and low in cost, can improve the agglomeration structure of soil, growth and development properties of crops and crop yield, has good water-solubility and can be applied wit water; and the humic acid soil conditioner is especially suitable for drip irrigation application, exerts obvious effect and can be extensively promoted and applied in the technical field of agricultural production.

The invention belongs to the technical field of devulcanization, and relates to a bio-trickling filter for producing sulphur by removing hydrogen sulfide and a method thereof. The bio-trickling filter disclosed by the invention comprises a gas inlet part, a first filler layer, a first gas outlet part, a second filler layer and a spraying chamber which are arranged from bottom to top sequentially; each part is of a concentric cylinder or cube shape; a cone-shaped second gas outlet part is also arranged on the upper surface of the spraying chamber; a gas inlet is formed at the upper part of one side of the gas inlet part at the bottom, and the middle part of the other side of the gas inlet part is sequentially connected with a cone-shaped solid-liquid separation device and a lower tank; waste gas containing hydrogen sulfide is in reverse contact with biological desulfurization circulating liquid from top to bottom, which is pumped into the spraying chamber by the solid-liquid separation device and the lower tank, on a biological filler, and a biodegradation reaction is performed to generate the sulphur. The bio-trickling filter disclosed by the invention can ensure purification of high-concentration hydrogen sulfide, optimize process equipment and solve the problems of blockage, waste and the like of sulphur in a process, and has the advantages of good processing effect, low energy consumption, low investment, no secondary pollution and the like.

The invention discloses a continuous preparation method of ultra-clean high-purity hydrogen peroxide, which comprises the following operation steps: selecting a certain amount of industrial-grade hydrogen peroxide, a certain amount of styrene monomer, a certain amount of divinylbenzene monomer, a certain amount of toluene organic solvent and a certain amount of filler; preparing the styrene monomer, the divinylbenzene monomer, the toluene organic solvent and the filler into a porous resin adsorption material body through a suspension copolymerization method,enabling industrial-grade hydrogen peroxide to sequentially pass through the porous resin adsorption material body, a cation exchange column and an anion exchange column at the flow speed of 280-460 L/H and then filtering circularly by a 0.1-micron filter element, and obtaining primarily purified hydrogen peroxide. According to the continuous preparation method of the ultra-clean high-purity hydrogen peroxide, feeding operation can be carried out in a pumping mode, the feeding amount is convenient to control, continuous preparation operation can be carried out, the preparation efficiency is improved, constant-temperature evaporation purification treatment is carried out under the low-temperature condition, the purity of hydrogen dioxide is improved, and the using effect is more excellent.

The invention relates to a fertilizer for use in fruiting period of cucumbers and a preparation method thereof. The fertilizer is prepared from the following raw material components in parts by weight: 6-9 parts of humic acid, 4-6 parts of amino acid powder, 10-12 parts of urea, 8-10 parts of potassium dihydrogen phosphate, 15-18 parts of potassium nitrate, 6-8 parts of potassium fulvate, 3-5 parts of boric acid, 2-4 parts of zinc sulfate, 2-4 parts of magnesium sulfate, 0.1-0.3 part of phenazino-1-carboxylic acid and the balance of water. Compared with the prior art, the fertilizer has the advantages that the growth of plants can be regulated, and falling cucumbers, stiff cucumbers and malformed cucumbers can be effectively prevented; the formation of absorbing roots is promoted, and theabsorption and utilization of crops to water and fertilizers are promoted; and meanwhile, the soil-borne diseases such as root rot and wilt can be prevented and treated. The fertilizer is balanced innutrition, rich in various elements required in the fruiting period of the cucumbers, capable of effectively improving soil, strengthening roots of plants, enhancing disease resistance, effectively improving the quality of crops and increasing the yield of the cucumbers and has a rapid fertilizer effect, and the cucumbers are attractive in appearances and low in cost and have good taste; and meanwhile, the preparation method is simple, easy to operate and high in feasibility.

The invention discloses a carbon dioxide-containing external composition for skin and a preparation method of the carbon dioxide-containing external composition for skin. The composition contains a component A and a component B, wherein the component A is carbon dioxide aqueous solution obtained by dissolving carbon dioxide in water to reach a saturated state, and the component B is a mixture composed of a thickener and a dispersant. When the component A and the component B are mixed, the viscosity of the mixture is rapidly increased to generate a sticky object, and thus carbon dioxide is stored in the sticky object. The obtained sticky object can be used for external application for the skin, and has the beautifying and treatment effects of carbon dioxide. The use method of the composition can be the direct mixed use of the component A and the component B, or the component B can be uniformly coated on a water-absorbent supporter and used by contacting with the component A.

The invention discloses kelp soap and a preparation method thereof. The kelp soap is prepared from raw materials as follows: kelp, mint, white paeony roots, white honey, pomegranate bark, galangal, moutan bark, couchgrass roots, green tangerine leaves and a soap base. The preparation method comprises steps as follows: the kelp is dried, crushed to form powder, added to an isopropanol/pentanol solution for immersion treatment and then subjected to enzymolysis treatment, and a kelp extracting solution is obtained through evaporation concentration under reduced pressure; the mint, the white paeony roots, the white honey, the pomegranate bark, the galangal, the moutan bark, the couchgrass roots and the green tangerine leaves are added to purified water, the mixture is decocted, and a traditional Chinese medicine decoction liquid is obtained; the soap base and the kelp extracting solution are heated and stirred, the traditional Chinese medicine decoction liquid is added, the mixture is mixed uniformly, and a soap liquid is prepared; the soap liquid is poured into a die while hot, cooled at the room temperature, transferred to a refrigeration room to be refrigerated to form soap and then transferred to a place under the room temperature condition to be aired, and the kelp soap is obtained. The prepared kelp soap has good washing performance and antibacterial performance, the preparation method is simple and easy to operate, and the kelp soap has higher application prospect and economic prospect.

The invention discloses a preparation method of a laminated electrolytic oxidation water electrode. The preparation method comprises the steps that a titanium sample is placed in an electrolytic cellwith electrolyte for micro-arc oxidation, then placed in a reaction kettle for hydrothermal treatment, and finally ruthenium salt heat treatment is carried out, so that a titanium dioxide tin dioxideruthenium dioxide coating is generated on the surface, and the laminated electrolytic oxidation water electrode with excellent electrical performance is obtained. In the electrode, a titanium substrate and the coating are firmly combined without a discontinuous interface. The electrolytic oxidation water obtained by taking the prepared electrode as an anode electrolytic aqueous solution has strongredox capacity and excellent antibacterial property. Meanwhile, the laminated electrolytic oxidation water electrode is low in chlorine evolution potential and shows excellent electrical performancein electrical performance test.

The invention discloses a portable air pollution protection device. Adjusting buckles are disposed on a ligature, and a base plate is disposed in a cover body. By means of the portable air pollution protection device, the length of the ligature can be effectively adjusted according to the size of the face of a user, the application range of the protection device is widened, the phenomenon that anexisting protection device is too large or too small when the user wears the protection device is avoided, assembling and disassembling of the ligature are convenient, the flexibility of the protection device during usage is improved, the speed of air exhausting out of the cover body is increased, air is prevented from flowing out from above the cover body, the phenomenon that water steam occurs on glasses of a user wearing the glasses is reduced, the ventilation property of the protection device during usage is improved, the effects of eliminating static electricity, improving smell and sterilizing are achieved, the wearing comfort of the user is improved, and the functions of being high in dehumidification breathability, preventing ultraviolet ray, being free of stimulation, being skin-friendly faintly acid, being allergy resistant and the like are achieved by additionally designing a zein fiber lining.

The invention belongs to the technical field of ecological agriculture, and discloses a preparation method of a biological light carbon mixture. The biological light carbon mixture comprises the following components in percentage by mass: 13-25% of microalgae, 5-7% of an adsorbent, 1-1.5% of a colloid agent, 2-3% of a water absorbent, 1-2% of a complexing agent, 1-2% of an activating agent, 8-12%of yeast sugar and 55-65% of purified water, and is prepared by the following steps: (1) respectively taking microalgae, an adsorbent, a colloid agent, a water absorbent, a complexing agent, an activating agent, yeast sugar and purified water for later use; and (2) respectively weighing the raw materials for later use in the step (1) according to the mass percent of the preparation amount: 13-25%of microalgae, 5-7% of an adsorbent, 1-1.5% of a colloid agent, 2-3% of a water absorbent, 1-2% of a complexing agent, 1-2% of an activating agent, 8-12% of yeast sugar and 55-65% of purified water, fully stirring in a reaction kettle at normal temperature and normal pressure, and carrying out a reaction for 3 h to obtain the biological light carbon mixture, wherein the biological light carbon mixture is used for activating and improving soil, enhancing the photosynthetic action of plants, resisting diseases, expelling parasites, storing water, retaining fertilizers and improving the comprehensive functions of crops.