41results about How to "Does not affect pH" patented technology

The present invention discloses one kind of nanometer antiseptic silver gel for external application to treat women's genital tract infection. The nanometer antiseptic silver gel contains nanometer silver colloid of silver particles in size 1-20 nm, pharmaceutically acceptable excipient and diluent. The present invention also discloses the preparation process and application of the gel. The product of the present invention is applied through vagina to treat vaginitis, cervicitis or mixed infection, and may be used as externally applied medicine for treating skin infection and surgical infection and as the antiseptic component in cosmetics.

The invention discloses an efficient wastewater treatment agent which comprises the following components: 40-60 parts of inorganic natural mineral substances, 20-40 parts of inorganic sulfate, 10-30 parts of inorganic carbonate or alkali, and 1-5 parts of inorganic polymeric sulfate. The efficient wastewater treatment agent is neutral, the application of the efficient wastewater treatment agent does not affect the pH value of an aqueous solution, and the application of the efficient wastewater treatment agent is not affected by the pH value of wastewater required to be treated, therefore, the efficient wastewater treatment agent is easy to use; indexes of SS (suspended solids), COD (chemical oxygen demand), BOD (biological oxygen demand), total phosphorus, total nitrogen, and the like in eutrophic water can be greatly reduced, and settled flocculates are coagulated, changed from hydrophilicity to hydrophobicity, and not dissolved in water again.

The invention discloses an arsenic adsorbing fiber using acrylic fiber as a fundamental frame and a synthesizing method thereof, belonging to the technical field of polymer materials. In the structure of the fiber material, amido existing in a mode of hydrochloride is contained, and the amido can effectively adsorb arsenic radical in the water through an ion exchange reaction. The method for synthesizing the fiber is to lead the acrylic fiber to firstly perform a grafting reaction with a multi-amido compound to introduce amido, and the acrylic fiber reacts with the hydrochloric acid to transform the amido into the hydrochloride, and has simple reacting process and mild condition. The neutral fiber is stable in the air, cannot absorb carbon dioxide and other acid gases, and cannot affect the pH value of the water body when the arsenic adsorbing fiber is used in the water as an adsorbent.

The invention discloses a method for preparing lithium iron phosphate by a hydrothermal method and the lithium iron phosphate. The method disclosed by the invention comprises the following steps: only adding a lithium source, an iron source, a phosphorus source and a natural neutral water-soluble polymer to a reaction system solution; and filtering the reaction system solution after the reaction system solution reacts in a reaction kettle, so as to obtain an LiFePO<4> product. According to the method disclosed by the invention, a traditional surfactant and a strongly organic reducing substance are replaced with the natural neutral water-soluble polymer, the shape and form, the particle size and the particle size distribution of a lithium iron phosphate product can be simply and effectively controlled; impurities caused by oxidation of ferrous iron at a high temperature can also be prevented; the pH value of a reaction system is not affected by the neutral water-soluble polymer; the reducing substance formed by cracking at the high temperature also plays a role in inhibiting particle growth; and the production quality of the lithium iron phosphate is improved. With the lithium iron phosphate as a cathode material for a lithium-ion battery, the specific discharge capacity is high; the cycle performance is good; and a foundation is laid for application of the lithium-ion battery in the field of an industrial large battery.

The present invention provides a manufacturing method for improving uniwafer output of a light emitting diode, and relates to the production technology field of a quaternary system light emitting diode. A relatively thin blade is used at a right side for half cutting, or the ICP dry method etching and laser cutting is employed to make cutting channels with a certain width and depth, a cutting walk way is subjected to photoetching at a back side, the dry method etching technology is employed to etch a cutting channel with a certain depth, and a relative thick blade is used to cut through a LED chip at the back side. The production efficiency is improved, the positive collapse is reduced, a chip gain structure with a big the right side and a small back side is obtained, the absorption of the substrate for light is reduced, the emergent light from the right side is increased, and the light extraction efficiency is increased.

The invention discloses an electrolyte used for a zinc bromine flow battery. The electrolyte used for the zinc bromine flow battery disclosed by the invention comprises an anode electrolyte and a cathode electrolyte. Each of the anode electrolyte and the cathode electrolyte consists of the following components: zinc bromide, zinc chloride, a complexing agent, a dendritic crystal resistant agent, awetting agent and water. Compared with the prior art, the complexing agent, the dendritic crystal resistant agent and the wetting agent are added into the electrolyte used for the zinc bromine flow battery, so that the electrolyte used for the zinc bromine flow battery can improve the current efficiency and energy efficiency of the battery.

The invention relates to a sustainable three-nerved spicebush cultivation method aiming to fill the gap in the field at preset. The sustainable three-nerved spicebush cultivation method is characterized by including the steps of (1) selecting three-nerved spicebush plants which are triennial or above, cutting off two-thirds of the part of the plants on the ground in autumn or winter, (2) digging into soil at the roots of the plants, lifting the overall plants, clipping the inflated root tubes, (3) pruning all roots until the length thereof is 8-12 times of the ground diameter, (4) soaking cuts left after root pruning into 1% of calcium hydroxide solution for 5 seconds, keeping the cuts below the level of the calcium hydroxide solution and keeping the distance between the cuts and the level within 5 mm during soaking, and then drying the same in air, (5), mixing 0.1% of rooting powder and 1% of Lachnum fermentation liquor with the dug soil, (6) replanting the three-nerved spicebush into the dug hole and then covering it with soil, (7) watering in time, and (8) performing root tube harvesting three years later. The sustainable three-nerved spicebush cultivation method can be applied sustainably and is an environmental friendly method.

The invention relates to an on-line automatic purging device for a pH meter. The on-line automatic purging device comprises a rainproof cover, a connecting cylinder, a mounting base and an air sourcepipe. The connecting cylinder is vertically arranged. The rainproof cover is connected with the upper end of the connecting cylinder, the mounting base is connected with the lower end of the connecting cylinder, the mounting base is provided with a sealing chamber, the pH meter is fixed in the sealing chamber, an air inlet end of the air source pipe is connected with compressed air, an air outletend of the air source pipe penetrates through the rainproof cover and the connecting cylinder in sequence, extends into the sealing chamber in the mounting base, and faces the pH meter. The compressedair is adopted to clean the pH meter for detecting sewage or other solutions easy to crystallize, no other impurities are added, the pH value of the measured solution is not influenced, the structureis simple operation is easy, and the working efficiency is high.

The invention provides a silicon removal agent and a preparation method and application thereof, and belongs to the technical field of silicon-containing sewage treatment. The silicon removal agent comprises the following components in parts by weight: 73-77 parts of polyaluminum chloride, 10-14 parts of sodium metaaluminate, 4-8 parts of polyaluminum sulfate, 3-7 parts of polyferric sulfate and 1-3 parts of activated aluminum oxide. After the silicon-containing sewage is treated by adopting the silicon removal agent, the soluble silicon in the sewage is reduced to a certain degree, the recycling of the sewage is not influenced, near-zero emission is achieved, and the silicon removal agent has multiple effects of silicon removal, coagulation, turbidity removal and the like. The silicon removal agent is high in purity, less in impurity, less in dosage, low in sludge amount, high in silicon removal efficiency, free from influence of water quality change of sewage, very high in operationstability, low in operation cost and safe and convenient to operate.

The invention discloses a preparation method of special soybean protein particles for a liquid beverage. The preparation method comprises the following steps of dissolving soybean protein into water; regulating pH by alkali liquor; adding prolease for enzymolysis; performing heating enzyme deactivation to obtain the soybean protein hydrolysate solution; performing shearing homogenization, spray drying and sieving to obtain enzymolysis soybean protein powder; preparing spraying coating liquid: dissolving soybean power phospholipid, sucrose fatty acid ester and calcium chloride into water; performing shearing homogenization to obtain spray coating liquid; performing spraying coating granulation on the obtained enzymolysis soybean protein powder; obtaining the special soybean protein particles. The preparation process is simple; the operation is easy; the method is suitable for mass production; the prepared soybean protein particles are applied to the liquid beverage, and have the functional characteristics of good solubleness, fast dispersion, high stability, low centrifugal sedimentation rate and the like; the original flavor of the soybean protein can be remained.

The invention discloses an ecological anti-root-rot slow-release fertilizer and a preparation method thereof, and belongs to the technical field of fertilizers. The fertilizer is prepared from, by weight, 20-30 parts of a nitrogen fertilizer, 10-16 parts of a phosphorus fertilizer, 8-10 parts of a potassium fertilizer, 10-20 parts of humic acid, 3-10 parts of medium and trace elements, 3-5 parts of attapulgite, 3-5 parts of borax, 1-3 parts of calcium sulfate, 2-4 parts of lime powder, 0.8-2.5 parts of calcium chloride, 0.1-0.5 part of dazomet and 5-10 parts of a film coating agent. The film coating agent is obtained by modifying corn starch. The fertilizer is scientific in formula and remarkable in fertilizer effect, and can effectively reduce the occurrence probability of root rot of crops, and improve the disease resistance of the crops. At the same time, the fertilizer has a good slow release effect, continuously provides stable nutrients for the crops for a long time, improves thecrop yield and the crop quality, has no pollution to creatures, soil and water sources, maintains the ecological environment of soil, and is safe and environmentally friendly.

The invention discloses a strain of pseudomonas oryzihabitans capable of secreting ferulic acid esterase and application of the pseudomonas oryzihabitans and belongs to the technical field of fermentation engineering and biology. The pseudomonas oryzihabitans Y-5 is preserved in the China Center for Type Culture Collection in July, 13th, 2018, and the preservation number is CCTCC NO:M2018480. Thestrain can secrete ferulic acid esterase, and under the induction of bran, the enzyme activity of the ferulic acid esterase of a fermented crude enzyme liquid of the strain is 116 U/L, and by adoptingthe bran for substrate fermentation to produce ferulic acid, the yield of ferulic acid can reach 59.51+/-0.6 mg/L. According to the pseudomonas oryzihabitans, the content of ferulic acid in yellow rice liquor can be increased when the alcoholic strength, pH value and reducing sugar content of the yellow rice liquor are not influenced, and after fermentation of strengthened wheat koji to which thepseudomonas oryzihabitans is inoculated, the content of ferulic acid in the yellow rice liquor is about 2.6 times higher than that of common yellow rice liquor fermented by traditional wheat koji.

The invention provides a simple method for plasma purification. The method includes the following steps that centrifugal treatment is conducted on blood, and blood cells and plasma are separated out;innovative points of the method lie in that a positive electrode and a negative electrode of a direct-current power supply are placed in the separated-out plasma, then a power supply is switched on, and plasma purification is conducted. The positive electrode and the negative electrode of the direct-current power supply are placed in the separated-out plasma, then the power supply is switched on,lipoprotein with negative charges and other colloid material points in blood migrate toward the positive electrode and are adsorbed by the positive electrode, and the purposes of degreasing, plasma purification and plasma-quality improvement are achieved. The method is easy to operate, and without using complex instruments and tools, pollution to the plasma is not easy to cause.

The invention discloses an avian influenza vaccine adjuvant and an application thereof, which belong to the field of poultry epidemic disease control. A cefquinome sulfate adjuvant is added to the avian influenza vaccine, so that the anti-stress ability of the laying hen body is enhanced, and the mortality rate is decreased by 0.83%; the feed intake is returned to normal feed intake 4 days earlier, the peak of egg production is 15 days earlier, the peak of egg production is extended by 8 days, and the egg production is increased by 0.46%. The production performance of laying hens is significantly improved, and the demonstration and promotion of the method has broad prospects.

The invention provides a spray head suitable for carbide slag flue gas desulfurization. The spray head comprises a main channel and an outer channel arranged outside the main channel in a surrounding mode, an inlet and a jet orifice are formed in the two ends of the main channel respectively, a rotational flow guide body, a contraction section, a throat pipe and a mixed suction inlet are sequentially arranged between the inlet and the jet orifice, the inlet is formed in the outer channel, and the outer channel is communicated with the main channel through the mixed suction inlet. The fluid in the main channel and the fluid in the outer channel are mixed at the mixing suction inlet and sprayed out through the spraying opening. The spray head can fully utilize the characteristics of high solubility and high alkalinity of carbide slag to form an alkaline slurry drop absorption area in the absorption section of the desulfurization tower, so that the aims of enhancing sulfur dioxide absorption, reducing liquid-gas ratio, saving energy consumption, improving desulfurization efficiency and the like are fulfilled; meanwhile, the spray head does not influence the pH value of desulfurization slurry in the desulfurization tower, so that the problems of calcium sulfate scaling blockage, slow oxidation of calcium sulfite and the like in the tower can be effectively avoided.

The invention provides a high-efficiency planting method of white radishes. The method comprises the steps of (1), field selection; (2), soil preparation; (3), soil preparation; (4), seedling breeding; (5), growing period; (6), fertilizer and water management; (7), pests and diseases control; (8), harvesting. According to the planting method, nutritious soil, farmyard manure and sandy loam are mixed to provide multiple mineral substance elements needed by the germination and growth of radish seeds to increase the germination rate and germination quality of the seeds. The seeds are soaked in anABT rooting powder solution so that sufficient nutrients can be absorbed by the seeds to ensure that the germination time of each seed tends to be consistent to facilitate subsequent management. Thefarmyard manure is adopted in the planting process, the PH value of soil is not affected, soil compaction does not occur, and the fertility of the soil is increased to a certain extent. By means of the planting method, tubers of radish seedlings are solid and strong, underground parts of the radishes grow rapidly, the yield is high, the planted white radishes are green and healthy, and the qualityis good.