49results about How to "Stable dissolution" patented technology

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 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 invention discloses an organic high molecular composite flocculant which is mainly used for municipally or industrially dewatering sludge and a preparation method thereof, which solve the problems of complex treatment process, agent waste, secondary pollution and the like existing in the prior art. The flocculant comprises polyacrylamide, polydimethyldiallylammonium chloride and modified starch serving as raw materials and the dry weight ratio of polyacrylamide to polydimethyldiallylammonium chloride to modified starch is 4-9:0.5-5:0.5-5, wherein tap water or de-ionized water is used as a dispersing agent; and the liquid organic high molecular composite flocculant, of which the molecular weight is 4,000,000 to 12,000,000, the ionization degree is 40 to 80 percent and the effective content of the raw material is 1 to 5 percent based on dry weight, is prepared by dispersing the materials in a reactor at the temperature of between 10 and 50 DEG C with stirring and compounding for 0.5 to 3 hours. The flocculant has the advantages of sufficient raw material sources, low cost, simple process flow, stable performance and high suspension separation speed, is reasonably prepared and quickly dissolved and is safe to operate, and convenient to use, saves the amount, obviously improves the dehydration efficiency, expands the application range, prevents fluctuation of treatment effect and reduces secondary pollution.

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 present invention relates to an ink-jet printing electric conduction ink capable of being subjected to room temperature sintering, and applications thereof. According to the present invention, silver nanoparticles with polyvinylpyrrolidone wrapped on the surface, a polymer resin, a solvent, a surfactant, a preservative, an antifoaming agent and a humectant are uniformly mixed to obtain the ink-jet printing electric conduction ink; the ink-jet printing electric conduction ink can be printed on a printed circuit board so as to prepare the pattern of an electric conduction trace, a treatment liquid is coated on the printed circuit board having the electric conduction trace pattern, and the electric conduction trace pattern printed through the ink-jet printing electric conduction ink is subjected to chemical sintering through the treatment liquid at a room temperature so as to obtain the electric conduction trace having good electric conduction property; and the ink-jet printing electric conduction ink has characteristics of low cost, excellent printing suitability and excellent durability, and can be matched with the room temperature sintering method of the present invention so as to make the printed electric conduction pattern achieve the good electric conduction property at the room temperature.

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 provides a stable recombinant human interferon beta-1b freeze-dried preparation and a preparing method thereof. The freeze-dried preparation is prepared from recombinant human interferon beta-1b, human blood albumin, a phosphate buffer solution and the like according to a certain proportion and through a vacuum freeze-drying technology; and at the same time, the preparing method of the preparation can ensure the preparation has good stability and activity after redissolving.

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 relates to the technical field of medical technology, and in particular relates to bumetanide injection, which is composed of the following components: bumetanide; sodium hydroxide; and water for injection. According to the bumetanide injection disclosed by the invention, other substances are not introduced while stable dissolution of bumetanide is ensured, so that sensitization is low, and clinical application is relatively safe. The invention also relates to a preparation method of the bumetanide injection. The preparation method specifically comprises the following steps of: (1) weighing bumetanide; (2) adding water for injection accounting for 90% of the total preparation amount into bumetanide, adding a sodium hydroxide solution in a stirring state, and enabling the pH value of the mixed solution to be 7.0-8.0 after the addition is completed; (3) supplementing the residual water for injection; (4) performing refined filtration to obtain filtrate for later use; and (5) filling the filtrate, and capping. The preparation method disclosed by the invention is simple to operate; operations of activated carbon filtration and the like are not set; the content of a main drug is ensured; furthermore, the stability of the bumetanide is high in the process; and the prepared bumetanide injection has relatively excellent comprehensive performance.

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.

The invention discloses a molten salt electroforming preparation method of rhenium. The method comprises the following steps: S1, molten salt chlorination: under protection of inert gas, heating a molten salt medium to a molten state, adding K2ReCl6 to obtain molten salt containing K2ReCl6, introducing chlorine into the molten salt containing K2ReCl6 for chlorination, and cooling the molten salt to obtain the chloridized molten salt; and S2, electroforming: under protection of inert gas, heating the chloridized molten salt in S1 to the molten state, immersing a core mold into the chloridized molten salt in the molten state, and performing electrifying to carry out electroforming to obtain a rhenium metal casting on the surface of the core mold by taking the chloridized molten salt in the molten state as an electrolyte, the core mold as a cathode and an inert electrode carrying rhenium as an anode. The preparation method disclosed by the invention is low in cost and high in efficiency and can prepare the rhenium casting which is good in uniformity and compactness, and the casting is easy to demold.

The invention discloses an oxygen-containing essence capable of obviously improving skin glossiness and a preparation method of the oxygen-containing essence. The essence comprises the following components in percentages by weight: 0.001-10% of tropaeolum majus extract, 0.001-10% of hydrolyzed lupin protein and the balance of 20-1000 ppm oxygen-containing water. The oxygen-enriched water, the tropaeolum majus extract and the hydrolyzed lupin protein are proportionally added into the product. By using the oxygen-containing essence, the oxygen partial pressure of the skin can be increased, the oxygen content is enhanced, microcirculation is improved, the glossiness of the skin is enhanced after long-term use, and the skin is healthier and full of vitality.

The invention discloses a preparation method of molten salt electroforming of rhenium, comprising the following steps: S1, molten salt chlorination: under the protection of an inert gas, after heating the molten salt medium to a molten state, adding K 2 ReCl 6 , get K 2 ReCl 6 Molten salt, to the K 2 ReCl 6 Chlorine gas is passed into the molten salt for chlorination, and the chlorinated molten salt is obtained after cooling; S2, electroforming: the chlorinated molten salt obtained in step S1 is heated to a molten state under the protection of an inert gas, and the mandrel is immersed in In the chlorinated molten salt in the molten state, the chlorinated molten salt in the molten state is used as the electrolyte, the mandrel is used as the cathode, and the inert electrode carrying rhenium metal is used as the anode. The surface gets a rhenium metal casting. The preparation method of the invention has low cost and high efficiency, can prepare rhenium metal castings with good uniformity and compactness, and the castings are easy to demould.

The invention discloses an oxygen-rich scalp care solution and a preparation method thereof. The scalp care solution comprises the following components in percentage by weight of 0.1-10 percent of a nasturtium extract, 0.1-10 percent of a radix rehmanniae extract, 0.1-10 percent of a swertia japonica extract, 0.1-10 percent of a watercress leaf / stem extract, 0.1-10 percent of a cocoa extract, 2.0-10.0 percent of a humectant, 0.1-0.6 percent of a preservative, 0.2-10.0 percent of a skin conditioner, 0.05-0.3 percent of essence and the balance of oxygen-rich water with the oxygen concentration of 20-1,000 ppm. The oxygen-rich scalp care solution can be directly smeared on the scalp skin, can promote the absorption of the surface layer of the scalp skin, can bring more oxygen, and has the effects of moisturizing the scalp, controlling oil, nourishing the scalp, strengthening hair roots, reducing hair loss and enhancing scalp respiration.

The invention relates to a carbonated water production device, which can efficiently obtain carbonated water by dissolving carbonic acid gas at a stable high concentration in a space-saving manner. The carbonated water manufacturing device comprises an inner storage part for storing water, a pressure container with an outer storage part surrounding the outer side of the inner storage part, a cooling part for cooling the pressure container, a carbonic acid gas storage part for storing carbonic acid gas, and a pressurized water generating part. The inner storage part and the pressurized water generating part are connected, the pressurized water generating part forms pressurized water from the water cooled by the inner storage part, the pressurized water forms pressurized water from the water cooled by the inner storage part, and the pressurized water passes through a second pipe inside the outer storage part before passing through the second pipe, and is mixed with the carbonic acid gas.

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 a capsicin rat-proof agent used for cables in a ship and a preparation method of same. The capsicin rat-proof agent is mainly composed of a microcapsule core material and a microcapsule wall material coating the exterior thereof. The preparation method includes the steps of: S1) preparing a water emulsion of the microcapsule core material; S2) preparing hydrosol of the microcapsule wall material; S3) preparing the microcapsule rat-proof agent. The microcapsule core material comprises, by weight, 1-30% of nonivamide, 0.5-15% of cyclic imide, 10-90% of castor oil, 0.1-5%of hydrophobic organo-siloxane, and 1-50% of a surfactant. In the invention, the capsicin is coated with a high-molecular material so as to produce the microcapsule rat-proof agent. Due to isolation by the high-molecular material, oxidization and dampness absorbing hydrolysis of the capsicin are avoided. The rat-proof agent is long in rat-proof effect time and can durably prevent the cables in a ship from rat biting.

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 present invention relates to an ink-jet printing electric conduction ink capable of being subjected to room temperature sintering, and applications thereof. According to the present invention, silver nanoparticles with polyvinylpyrrolidone wrapped on the surface, a polymer resin, a solvent, a surfactant, a preservative, an antifoaming agent and a humectant are uniformly mixed to obtain the ink-jet printing electric conduction ink; the ink-jet printing electric conduction ink can be printed on a printed circuit board so as to prepare the pattern of an electric conduction trace, a treatment liquid is coated on the printed circuit board having the electric conduction trace pattern, and the electric conduction trace pattern printed through the ink-jet printing electric conduction ink is subjected to chemical sintering through the treatment liquid at a room temperature so as to obtain the electric conduction trace having good electric conduction property; and the ink-jet printing electric conduction ink has characteristics of low cost, excellent printing suitability and excellent durability, and can be matched with the room temperature sintering method of the present invention so as to make the printed electric conduction pattern achieve the good electric conduction property at the room temperature.

The invention discloses a heavy water reactor fuel canning graphite emulsion paint and a preparation method thereof, and belongs to the technical field of preparation of paints. The paint consists of the following components in percentage by weight: 10-25 percent of graphite powder, 3-20 percent of low-temperature film former, 0.1-3 percent of dispersant, 0.1-2 percent of film forming auxiliary agent and 50-80 percent of mixed solvent. The graphite emulsion paint has the advantages of stable chemical property, uniform dispersion, no bubbling in coating, smooth coating and superior operability; and the coating calcined according to the construction requirements is compact and has high adhesion, superior wear-resistant performance and good lubrication.

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.

The present invention provides a water-in-oil type emulsified cosmetic that maintains excellent stability even when polar oil is blended, although it has a low viscosity. The water-in-oil emulsified cosmetic of the present invention is characterized by containing: (A) 0.1 to 2 mass % of organically modified clay minerals, (B) 0.1 to 2 mass % of hydrophobic silica, (C) silicone-based surface 2 to 5% by mass of active agent, (D) 10 to 50% by mass of the total oil is oil of non-polar hydrocarbon oil, and (E) 20 to 60% by mass of aqueous phase component, the aforementioned (A) organically modified clay mineral and (B) the total of hydrophobic silica is 0.2 to 2% by mass, and the viscosity of the cosmetic as a whole is 1,000 to 10,000 mPa·s (30°C, B-type viscometer).