12 results about "Organic acid formation" patented technology

The invention relates to a composite acidifying agent for improving feed intake of lactating sows and a preparation method thereof, and belongs to the technical field of feed additives. The composite acidifier comprises a wall material and a core material, wherein the wall material comprises cystine-gamma-polyglutamic acid and arginine-chitosan; the core material comprises organic acid, organic acid salt and fermentation liquor. According to the compound acidifying agent disclosed by the invention, the cystine cross-linked gamma-polyglutamic acid and the arginine grafted chitosan are used as wall materials, and the microcapsule with an intestinal targeted release function is formed by wrapping the organic acid, so that the utilization efficiency of the acidifying agent and the feed intake of lactating sows can be effectively improved.

The application discloses an electro-catalytic oxidation method, system and application, and relates to the technical field of electro-catalytic oxidation, and in particular relates to an electro-catalytic oxidation method, system and application. The method comprises the following steps: controlling an electro-catalytic oxidation system to adopt a low current density for treatment under a reverse current condition, so that cathode dissolution transition metal ions form transition metal-organic acid complexes with low-molecular organic acids in wastewater; switching the current direction of the electro-catalytic oxidation system to a forward direction, and adopting a first current density for electro-catalytic oxidation; keeping the forward current direction, starting a pulse power supply, and adopting a second current density for electro-catalytic oxidation to break the transition metal-organic acid complexes, so that the problems of low degradation efficiency and high treatment cost of industrial wastewater are solved.

The present invention provides a pharmaceutical salt of entecavir, a preparation method, a pharmaceutical composition, and uses thereof. The present invention discloses a pharmaceutical salt of entecavir, which is a salt formed by entecavir free base I and an organic acid containing at least six carbon atoms. The pharmaceutical salt of entecavir of the present invention has low solubility, good stability, high bioavailability, and promising market prospects. #imgabs0#

The invention provides a glass low-alkalinity 3A (AR, AF and AG) film stripping solution with silk-screen printing ink and a preparation method of the glass low-alkalinity 3A (AR, AF and AG) film stripping solution, and belongs to the technical field of glass surface treatment. The printing ink comprises the following components in percentage by weight: 15%-20% of a chelating agent, 2%-5% of a dispersing agent, 0.1%-0.5% of a printing ink protective agent, 0.5%-1% of an antistatic agent, 0.5%-1% of a low-foam wetting agent, 1%-1.5% of a penetrating agent and 5%-10% of a pH buffering agent, the pH (Potential of Hydrogen) is 12.0 to 13.0; wherein the chelating agent is a chelating system formed by organic acid salt and organic acid; the printing ink protective agent is any one or more of alkyl acrylate, polyacrylamide and sodium carboxymethyl cellulose. The glass low-alkalinity 3A film stripping solution with the silk-screen printing ink has the advantages that 3A (AR, AF and AG) films are stripped, a glass substrate and the silk-screen printing ink are not damaged, and the glass low-alkalinity 3A film stripping solution is high in cleaning capacity and easy to rinse after glass surface stripping, and is suitable for stainless steel tank body soaking treatment.

The invention discloses an electrocatalytic oxidation method and system and application, and the method comprises the following steps: controlling the electrocatalytic oxidation system to perform treatment at low current density under a reverse current condition, so that transition metal ions are dissolved out from a cathode, and the transition metal ions and low-molecular organic acid in wastewater form a transition metal-organic acid complex; switching the current direction of the electrocatalytic oxidation system into a positive direction, and performing electrocatalytic oxidation by adopting a first current density; and keeping the forward current direction, turning on the pulsed power supply, and carrying out electrocatalytic oxidation by adopting second current density to break the transition metal-organic acid complex, thereby solving the problems of low industrial wastewater degradation efficiency and high treatment cost.

The present application discloses compositions and principles for the prophylactic treatment of hypocalcemia in ruminants (e.g., cattle) prior to childbirth, i.e. Compositions comprising one or more phosphate binding agents for the prophylactic treatment of parturient hypocalcemia in ruminants (e.g., cattle), e.g., where the compositions are in one or more unit dosage forms, e.g., in one or more unit dosage forms. And wherein one or more unit dosage forms of the composition are manually administered per day to the gastrointestinal tract of the ruminant, or wherein the composition is provided in wet form. The present application also discloses compositions comprising one or more phosphate binding agents and one or more nutrients selected from the group consisting of minerals, vitamins and amino acids, and compositions comprising inhibitors of the small intestine Na-phosphate transporter for use in the prophylactic treatment of parturient hypocalcemia in ruminants, such as cattle. The phosphate binder is selected from aluminum salts, ferric salts, sevelamer salts and lanthanum salts formed with inorganic or organic acids, hydrates thereof or any mixture thereof.

The invention discloses low-temperature atomized electronic cigarette tobacco tar and a preparation method thereof. The tobacco tar comprises the following components in percentage by mass: 85%-98.5% of a solvent system, 0.5%-5% of nicotine salt, 0.5%-10% of a flavor substance and 0.1%-2% of a functional additive. The solvent system is composed of 20%-50% of plant glycerin, propylene glycol and a low-boiling-point cosolvent; wherein the low-boiling-point cosolvent accounts for 5-25% of the total mass of the solvent system. The nicotine salt is a salt formed by nicotine and organic acids such as malic acid; and a low-temperature flavor synergist is added into the flavor substance. The low-temperature atomization device is specially designed for low-temperature atomization at 180-240 DEG C, generation of harmful substances can be remarkably reduced, and meanwhile sufficient nicotine release efficiency, full flavor presentation and good atomization stability are guaranteed.

The present application relates to a kind of compound acidifier for improving the feed intake of lactating sow and its preparation method, belong to the technical field of feed additive.The compound acidifier includes wall material and core material, the wall material includes cystine-gamma-polyglutamic acid and arginine-chitosan;The core material includes organic acid, organic acid salt and fermentation broth.The compound acidifier of the present application uses cystine crosslinked gamma-polyglutamic acid and arginine grafted chitosan as wall material, forms microcapsule with intestinal target release function by wrapping organic acid, can effectively improve the utilization efficiency of acidifier and the feed intake of lactating sow.

The invention relates to oxytetracycline hydrochloride soluble powder with high water solubility and high stability. The oxytetracycline hydrochloride soluble powder is mainly prepared from the following raw materials in percentage by weight: 20-50% of oxytetracycline hydrochloride, 10-30% of a stabilizer, 10-20% of a catalyst, 1-5% of a strong chelating agent and the balance of a filler. The oxytetracycline hydrochloride is used as an active component, the organic acid provides an acid environment, the acid catalyst and the organic acid form a hydrogen bond network to improve the instantaneous dissolvability, the metal ion chelating agent and the saccharide are used as stable carriers and are mixed in the double-cone rotary mixer, the process operation is convenient, and the production cost is effectively reduced. According to the formula, the drug solubility and the drug stability are effectively improved.

The invention relates to the technical field of cleaning solutions, in particular to an efficient and low-corrosion alkaline cleaning solution which comprises the following components in percentage by weight: 70-85% of a component a and water; a component b: 5-10% of alcohol amine; 5-8% of a component c: quaternary ammonium base; a component d: 1-5% of organic acid; the pH value of the composition is 11-12. The cleaning composition has the core advantages that an alkaline cleaning system based on an organic amine-organic acid synergistic complexing effect is constructed, the system provides a strong alkaline environment through tris (2-ethoxyl) methyl ammonium hydroxide to efficiently dissolve copper oxide, and a stable mixed ligand complex is formed by means of organic alkali and organic acid; and efficient chelation and suspension of copper ions are realized, so that surface pollutants are removed, excellent surface cleanliness is obtained, and meanwhile, low-corrosion protection of a copper matrix is realized by virtue of an inherent alkaline environment and a dynamic adsorption effect of a system.

The application provides a digestible fermented dough suitable for infants and children and a preparation method thereof, which comprises the following steps: atomizing and pre-hydrating flour to a water content of 20-24%, adding 0.10-0.25% of CDLB-YE05 strain powder of Saccharomyces Kazakhstan by mass of the flour, and fermenting at 30-40 DEG C for 1.5-2.5 hours, then secondly kneading to a final water content of 32-38%, vacuum kneading, aging and calendering to obtain the fermented dough. The application utilizes the characteristics of the strain, i.e. no gas production and no ethanol production, to avoid the destruction of the gluten network, and the extracellular polysaccharide and organic acid produced by the metabolism of the strain endow the noodles with a honeycomb structure, realizing the digestible property; the flower and fruit flavor substances produced by the fermentation make the noodles have a strong wheat flavor and no irritating odor; the organic acid accumulated by the fermentation forms a natural antibacterial environment, effectively prolonging the shelf life. The fermented dough prepared by the application can be sold as fresh noodles in cold storage, and can also be dried to produce dried noodles, having a good industrialization popularization prospect.

The invention relates to the technical field of welding solder paste, and discloses needle tube extrusion solder paste capable of achieving instant welding and a preparation method thereof.The preparation method comprises the steps that compound rosin, an organic solvent, a corrosion inhibitor and imidazoline polyamide are heated to prepare a matrix; heating and dissolving an organic acid active agent, an alcohol solvent, an organic halide, an imidazole additive and liquid rubber, and mixing with the matrix to obtain paste flux; and finally, the flux paste and tin powder are mixed to prepare the needle tube extrusion solder paste capable of achieving instant welding. The imidazoline polyamide provides excellent thixotropy through a three-dimensional hydrogen bond network, and imidazoline heterocyclic rings of the imidazoline polyamide form a protective layer on a welding interface to improve corrosion inhibition. The imidazole auxiliary agent and the organic halide form a catalytic system to enhance the welding activity, liquid rubber crosslinking film formation guarantees high insulativity, and a buffer system formed by the alcohol solvent and the organic acid guarantees the storage stability. The multi-component function cooperation mechanism finally achieves optimal balance in the aspects of rheological properties, welding performance, corrosion protection and reliability.