49results about How to "Stable dissolution" patented technology

The invention discloses a preparation method and the production process of a complex injection of 13 vitamins. The injection adopts dual-injection type, the invention overcomes the problem of solubility of the fat-soluble vitamins in water, so the invention can be prepared into the water injection; the stability of the product is good, and various vitamins can not be affected mutually. The injection includes water-soluble vitamins, fat-soluble vitamins, surfactant, antioxidant, complexing agent and solvent, the injection water is added till the dissolution, the activated carbon is added for absorption, the pH value of the solution is regulated, and then the nitrogen filling and sterilization are carried out. The production process of the invention prepares the injection into dual-injection type, the vitamin B12, folic acid and biotin have an independent package, the process overcomes the problem of solubility of fat-soluble vitamins in water, the invention can be prepared into water injection, the stability of the product is good, and various vitamins can not be affected mutually, the vitamins can be added in a large infusion for usage, so as to avoid the trouble of redissolution and reuse of the freeze-dried powder injection.

The present invention relates to a recovery technological process of car and electronic wastes and its recovery system. Said system includes removing equipment, breaking equipment, sorting equipment, plastics regeneration treatment equipment and metal component deep-processing equipment. Said plastics regeneration treatment equipment includes oxidation device, granular material drying device, mixing device and granulating machine. Besides, said invention also includes a data processing equipment, including data base, memory, analysis module and comparison and operation module, etc.

A lube base oil satisfying at least one of the following requirements (a) and (b). A lubricating oil composition for internal combustion engines is provided which comprises the lube base oil, an ash-free antioxidant containing no sulfur as a constituent element, and at least one member selected among ash-free antioxidants containing sulfur as a constituent element and organ omolybdenum compounds. Also provided is a lubricating oil composition for drive transmission devices which comprises the lube base oil, a poly(meth)acrylate-type viscosity index modifier, and a phosphorus compound. (a) The content of saturated matters is 90 mass% or higher and the proportion of cyclic saturated matters in those saturated matters is 10-40 mass%. (b) The lube base oil satisfies the relationship represented by the following expression (1). 1.440=n20-0.002OEv100=1.453 (1) [In the expression, n20 indicates the refractive index at 20 DEG C of the lube base oil and kv100 indicates the dynamic viscosity (mm2/s) at 100 DEG C of the lube base oil].

A novel ironing moxibustion apparatus integrating moxibustion and ironing methods. Before and after use, the variation value of grease parameter in a grease-containing moxa processed substance is less than 50% (0.5), wherein the grease parameter is the ratio of length to weight of a grease-containing portion, or is the ratio of grease weight of the grease-containing portion to total weight. In the whole usage period, the grease content of the grease-containing moxa processed substance is stable, thereby greatly reducing operation difficulty and improving user experience and practical curative effect.

The invention discloses an organic aluminum-zirconium crosslinking agent and a preparation method thereof, and a low-molecular polymer fracturing fluid. The crosslinking agent is prepared by reacting the following raw materials in parts by weight: 15-25 parts of zirconium salt, 15-25 parts of aluminum salt, 150-250 parts of polyalcohol, 75-85 parts of organic acid, 15-25 parts of gluconate and 55-65 parts of water. The organic aluminum-zirconium crosslinking agent has excellent high temperature resistance, and has favorable crosslinking effect under the conditions of high temperature and high salinity. The organic aluminum-zirconium crosslinking agent is stable under the condition of low pH value, can implement acid crosslinking, and ensures the normal proceeding of the acid fracturing. The organic aluminum-zirconium crosslinking agent has favorable compatibility with polymers and high crosslinking capacity; and the fracturing fluid formed by compounding the organic aluminum-zirconium crosslinking agent with polymers has the advantages of stable gel, excellent solid carrying capacity, excellent viscosity breaking performance and excellent shearing resistance under high-temperature conditions. The organic aluminum-zirconium crosslinking agent has the characteristics of high solubility, no pollution and low damage degree to the reservoir, and has wide application prospects.

The invention provides an oral liquid preparation of pidotimod, which can promote immunoreaction of a human body, effectively reduces times and degree of treating acute attack of bacteria or virus induced infection, shortens the course of the disease, can serve as an auxiliary medicine of antibiotic during acute infection and belongs to the field of medicines. The oral liquid preparation comprises the pidotimod, a chemical stabilizer, a pH regulator, a flavoring agent and the like, wherein trihytdroxy methyl-aminomethane serves as the pH regulator; and stability of the solution can be effectively improved through quantitative proportion and synergistic effect of each ingredient. The oral liquid preparation has stable quality, is convenient to store for a long time and is particularly suitable for old people or children to take.

A stabilized sustained release oral solid dosage form which includes an effective amount of tramadol or a pharmaceutically acceptable salt thereof dispersed in a matrix of a hydrophobic material comprising a wax-like substance which was melted or softened during the preparation of the matrix, is cured at a temperature from about 35° C. to about 65° C. for a time period from about 4 to about 72 hours, such that the formulation, when subjected to in-vitro dissolution after exposure to accelerated storage conditions of at least one month at 40° C./75% RH, releases an amount of tramadol which does not vary at any given dissolution time point by more than about 20% of the total amount of tramadol released when compared to in-vitro dissolution conducted prior to subjecting the dosage form to the accelerated storage conditions.

The present invention is production process of fresh flower-algae bath agent, and belongs to the field of production technology of daily use cleaning and skin care article. The fresh flower-algae bath agent is prepared with fresh flower, sodium alginate, calcium chloride, sodium cocoanut oil ethyl sulfonate, borneol, etc. It is beneficial to skin health and spirit health, and can nourish skin, eliminate fatigue and give enjoyment of natural plant.

The invention discloses a mouthwash, a homemaking machine, a preparation method, and an application. The mouthwash is water containing stably dissolved ozone. According to the homemaking machine and the preparation method, oxygen in air or pure oxygen is converted into ozone gas by using an ozone generation device; the produced ozone gas is delivered into water by using an aeration device, and is converted into stably dissolved ozone in water; and residual un-dissolved ozone gas is absorbed or degraded by using a tail gas absorption or degradation device. As a result of experiments, the mouthwash provided by the invention is nonirritating and causes no chemical residue. The mouthwash can be homemade, and can be used in cleaning oral cavity, removing oral odor, relieving toothache, bleaching teeth, killing oral, gum and dental plaques, and preventing and treating caries, periodontal diseases and orally infectious diseases. When the mouthwash is applied for a long term, no significant side effect is caused.

The invention discloses a preparation method for a black rhenium coating. The preparation method comprises the following steps that S1, molten salt chlorination is performed, wherein under inert gas protection, after CsCl is heated to a molten state, K2ReCl6 is added, the molten salt containing K2ReCl6 is obtained, chlorine is introduced into the molten salt containing K2ReCl6, chlorinating is performed, and after cooling, the chlorinated molten salt is obtained; and S2, electroplating is performed, wherein the chlorinated molten salt obtained in the step S1 is heated to the molten state underinert gas protection, a plating piece base body is immersed into the chlorinated molten salt in the molten state, the chlorinated molten salt in the molten state is a plating solution, the plating piece base body is used as a negative electrode, an inert electrode is used as a positive electrode, electroplating is performed after electrification, and the black rhenium coating is obtained on the plating piece base body. The preparation method is low in cost and high in deposition rate, and the prepared black rhenium coating is good in uniformity.

The invention belongs to the technical field of semiconductor hard and brittle material processing, and particularly relates to sapphire cutting fluid and a preparation method thereof. The cutting fluid is prepared from the following raw materials: a micromolecular organic solvent, water, an extreme pressure lubricant, a dispersing agent, a wetting defoaming agent, a wetting agent, an emulsifying agent, an anti-rust agent, a sterilizing agent and an alkaline buffering agent. According to the invention, the sapphire cutting fluid disclosed by the invention is mainly applied to the diamond wire cutting industry of sapphire with various sizes and morphologies, solves the problems of edge breakage and other poor edges which are easy to occur when the sapphire cutting fluid is used for cutting, and is not easy to cause the problem of short wires in the cutting process; and after cutting, the flatness performance of TTV, LTV, WARP, BOW and the like meets the requirements, and the sapphire cutting fluid has good recycling performance.

The invention relates to a pharmaceutical preparation composition and a preparation method of the pharmaceutical preparation composition, in particular to a calcium-zinc gluconate oral solution preparation composition. The composition comprises the following ingredients: 50-70g of calcium gluconate, 2-4g of zinc gluconate, 8-12g of lysine hydrochloride, 4-6g of lactic acid, 0.2-1g of gelucire 44-14, 0.1-0.5g sucralose, 0.05-0.2g of sodium hydroxide and 0.05-0.2g of essence per 1000ml calcium-zinc gluconate oral solution. The invention further provides a preparation method of the calcium-zinc gluconate oral solution. The ingredients in the calcium-zinc gluconate oral solution have a synergistic effect, and the calcium-zinc gluconate oral solution prepared finally is higher in stability andsafety.

The invention discloses a graphene micro-ultrafiltration membrane and a preparation method thereof, and particularly discloses a preparation method of the graphene micro-ultrafiltration membrane. Themethod comprises the following steps: dissolving graphene, graphene oxide, dendritic macromolecules and high-molecular polymers in a solvent to obtain a membrane casting solution, scraping or spinningor coating the membrane casting solution on the outer surface of a hollow fiber braided tube, performing solidifying, performing washing with water, performing airing, crosslinking glutaraldehyde, and performing drying. According to the preparation method, hydrophilic dendritic macromolecules and graphene oxide are introduced into the graphene micro-ultrafiltration membrane, so that the hydrophilicity of the membrane can be remarkably improved; graphene and graphene oxide are coated with a dendritic macromolecular solution, so that graphene and graphene oxide are uniformly and stably dissolved in a solvent, and stable dispersion of graphene and graphene oxide in a membrane casting solution is facilitated. Through glutaraldehyde, active groups such as hydroxyl and amino in dendritic macromolecules and graphene oxide are subjected to cross-linking polymerization reaction, so that the compatibility and stability between high-molecular polymers and the dendritic macromolecules and betweenthe graphene oxide and the graphene are improved, and the membrane performance is improved.

An aqueous loxoprofen-containing patch is provided, which has good stability and excellent transdermal absorption of loxoprofen. The aqueous patch includes loxoprofen or a salt thereof and triacetin. Specifically, the aqueous patch includes, based on the weight of the adhesive gel base, 0.1 to 5% by weight of loxoprofen or a salt thereof, 0.5 to 5% by weight of triacetin, 1 to 30% by weight of a water-soluble polymer, 0.01 to 5% by weight of a cross-linking agent, 10 to 90% by weight of purified water, and 0 to 20% by weight of an inorganic powder.

The invention discloses an oxygen-gas-containing emulsion capable of obviously improving glossiness of skin and a preparation method therefor. The emulsion contains the ingredients in percentage by weight: 0.1%-10% of tropaeolum majus extract, 0.1%-10% of pancratium zeylanicum extract, 0.1%-10% of yeast extract, 0.01%-3% of thickener, 0.5%-20% of polyol, 0.001%-0.5% of sodium hyaluronate, 0.01%-5%of humectant, 0.5%-5% of emulsifier, 0.1%-30% of fats and oils and the balance of water with an oxygen concentration of 20ppm-1,000ppm. According to the oxygen-gas-containing emulsion and the preparation method therefor, the oxygen-enriched water, the tropaeolum majus extract, the pancratium zeylanicum extract and the yeast extract are added into the product in an optimized ratio; and the emulsion is directly smeared on skin and is absorbed by a surface layer of the skin, more oxygen gas can be brought for the skin, the activity of cells can be improved, and the skin can become more glossierand more elastic and be vital.

The invention discloses an oxygen-containing cream capable of obviously improving skin gloss and a preparation method thereof. The oxygen-containing cream comprises the following components in percentage by weight: 0.001-10% of a tropaeolum majus extract and 0.001-5% of palmitoyl glycine, with the balance being water with an oxygen concentration of 20-1000 ppm. According to the invention, the oxygen-enriched water, the tropaeolum majus extract and the palmitoyl glycine are added into the cream in an optimized ratio; through usage of the oxygen-containing cream, the oxygen partial pressure of skin can be increased, an oxygen content can be increased, and microcirculation can be improved; and after long-term use of the cream, the glossiness of the skin can be improved, and the skin can be healthier and full of vitality.