158 results about "Acidifying agents" patented technology

The disclosure relates to compositions, including ready-to-use spray or wipe compositions, that are non-toxic, non-corrosive, biodegradable acidic antimicrobial compositions that exhibit broad-spectrum antimicrobial efficacy, wherein the compositions comprise an amine oxide, such as an alkyl amine oxide, in combination with an acidulant. Beneficially, the acidic antimicrobial compositions are capable of achieving at least a 3-log microbial reduction within 5 minutes under relatively mild pH conditions. The compositions provide cleaning and sanitizing.

To provide an absorbent article capable of suppressing occurrence of ammonia.SOLUTION: An absorbent article has a length along a longitudinal direction corresponding to a cross direction of a wearer, and a length along a width direction orthogonal to the longitudinal direction. The absorbent article has: an absorber which has an absorbent core obtained by laminating in the order from a non-skin surface side, a flow guide layer, a lower side SAP layer where basis weight of SAP being a high absorbent polymer is 100 g / m2 or greater and less than 180 g / m2, a base layer, an upper side SAP layer where basis weight of the SAP being a high absorbent polymer is 140 g / m2 or greater and 300 g / m2 or smaller, and a diffusion layer, and a water permeable sheet for covering a non-skin surface side and a skin surface side of the absorbent core; a skin surface sheet arranged closer to the skin surface side relative to the absorber, has water permeability, and includes an acidification agent; and a non-skin surface sheet arranged closer to the non-skin surface side relative to the absorber and has non-water permeability.SELECTED DRAWING: Figure 5

The invention relates to the field of food, and provides low-fat high-protein stretched cheese and a preparation method thereof.The preparation method comprises the steps that raw milk is subjected to standardization treatment, and standardized feed liquid is obtained; performing sterilization treatment on the standardized feed liquid to obtain a sterilized product; cooling the sterilized product, and uniformly mixing the cooled sterilized product with konjac glucomannan to obtain a mixture; adjusting the pH value of the mixture to 5.8-6.0 by using an acidifying agent to obtain acidified feed liquid; inoculating the acidified feed liquid with a leavening agent, and carrying out pre-fermentation treatment to obtain a pre-fermentation product; the pre-fermentation product is subjected to curdling treatment, whey removal treatment, heaping treatment, salting treatment, blanching stretching treatment and maturing treatment, and the low-fat high-protein stretched cheese is obtained. The stretched cheese disclosed by the invention not only has low fat content and high protein content, but also has excellent melting property, wire drawing property and flavor and mouth feel, is equivalent to the traditional high-fat cheese, and meets the requirements of consumers.

The invention belongs to the technical field of coatings, and particularly relates to polyester resin for a powder coating as well as a preparation method and application of the polyester resin. The polyester resin for the powder coating is prepared from the following raw materials: polyol, polyacid, polyamide acid oligomer and an acidifying agent. The polyamide acid oligomer is introduced in the synthesis of the polyester resin, an amide structure in the polyamide acid oligomer can improve the electrification property of polyester, the improvement of the electrification property is beneficial to improving the powdering rate of powder, and meanwhile, an N-H bond in the amide structure has relatively strong polarity and hydrogen-bond interaction; the wettability of the base material is obviously improved through the synergistic effect of the two. Therefore, the polyamide acid oligomer is introduced into the polyester resin and is combined with other components, so that the corner coverage rate of the powder coating can be obviously increased.

This invention belongs to the field of bile acid detection technology, and discloses a sample pretreatment method for determining the content of bile acid subtypes and its application. The pretreatment method includes the following steps: S1, acidifying the sample to be tested with an acidifying agent to a pH of 2-4 to obtain an acidified sample; S2, eluting the acidified sample onto a mixed-mode anion exchange column to obtain an eluent; S3, evaporating the eluent and reconstituted with a rehydration solution to obtain the test sample. The test sample obtained by this pretreatment method can effectively eliminate or compensate for matrix interference when used for targeted analysis of bile acid subtypes by LC-MS / MS, thus effectively improving detection sensitivity.

The invention relates to a bis (2, 2-methylene disulfide) episulfide compound with an ultrahigh refractive index and a preparation method thereof, and belongs to the technical field of optical materials, and the preparation method comprises the following preparation steps: taking chloroacetaldehyde dimethyl acetal, a solvent, disulfur dichloride and an acidifying agent, and carrying out a sulfuration substitution reaction to prepare 2-chloro-1, 2-dithiol; the preparation method comprises the following steps: carrying out nucleophilic substitution reaction on methoxycarbonyl sulfonyl chloride, a low-boiling-point solvent and 2-chloro-1, 2-ethanedithiol, and dropwise adding a bicarbonate saturated aqueous solution to carry out cyclization reaction so as to prepare a methoxycarbonyl disulfide-episulfide compound; and adding dimercaptomercaptan, and reacting to obtain a product. The process route provided by the invention solves the problems of tedious step-by-step reaction, more byproducts and high cost in the prior art.

Environmentally-clean wildfire inhibitor liquid biochemical solutions produced from an aqueous mixture of alkali metal salt derived from a non-polymerized saturated carboxylic acid such as glycolic acid, and dissolved in water along with a dispersing and coalescing agent, realized as an ester of a non-polymerized saturated carboxylic acid, and dissolved in the water to provide a liquid fire inhibitor solution that can be sprayed on combustible surfaces to form thin alkali metal salt crystalline coatings on the combustible surfaces when and as water molecules in the liquid fire inhibitor evaporate to the environment during drying operations, to inhibit fire ignition, flame spread and smoke development.

The application relates to the field of food, and discloses a low-fat high-protein stretch type cheese and a preparation method thereof. The preparation method comprises the following steps: subjecting raw milk to standardization treatment to obtain a standardized liquid; subjecting the standardized liquid to sterilization treatment to obtain a sterilized product; uniformly mixing the sterilized product with konjac glucomannan after cooling to obtain a mixture; adjusting the pH value of the mixture to 5.8-6.0 by using an acidifying agent to obtain an acidified liquid; inoculating the acidified liquid with a starter to perform pre-fermentation treatment to obtain a pre-fermented product; performing curd formation treatment, whey discharge treatment, heap fermentation treatment, salting treatment, hot stretching treatment and ripening treatment on the pre-fermented product to obtain the low-fat high-protein stretch type cheese. The stretch type cheese disclosed by the application not only has low fat content and high protein content, but also has excellent melting property, stretchability and flavor taste, is comparable to traditional high-fat cheese, and meets the needs of consumers.

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 utility model discloses a stainless steel rod pickling passivation device which comprises a conveying frame, a conveying belt arranged on the inner side of the conveying frame and a supporting frame corresponding to the conveying frame, a plurality of rotating shafts arranged side by side are arranged on the inner side of the supporting frame, a vertical plate is fixedly installed at the top end of the supporting frame, a transverse plate is fixedly installed on the inner side of the top of the vertical plate, and the transverse plate is fixedly installed on the inner side of the top of the vertical plate. A sliding groove is formed in the transverse plate, and a sprayer is connected into the sliding groove in a sliding mode. The rotating shafts are supported by the supporting frame, and the rotating shafts are arranged on the inner side of the supporting frame in an inclined mode, so that when the conveying belt conveys stainless steel bars to the rotating shafts, due to the structural characteristics of the rotating shafts, the stainless steel bars can roll downwards section by section, and at the moment, the two sprayers moving back and forth can spray acidifying agents on the whole stainless steel bars comprehensively; and meanwhile, the discharging belt is used for receiving the stainless steel rods obtained after spraying is completed, the accumulation condition is avoided, and the working efficiency of the device is further improved.

The invention belongs to the crossing field of fine chemical engineering, crystal engineering and continuous production technologies, and particularly relates to a process and a device for continuously preparing 1, 3-cyclohexanedione crystals. The method comprises the following steps: respectively introducing a pre-cooled 1, 3-cyclohexanedione monosodium salt aqueous solution and an acidifying agent into a static mixer through a metering pump for mixing, introducing the materials into an aging tank for aging, and carrying out solid-liquid separation on the aged materials to obtain 1, 3-cyclohexanedione crystals. The invention provides a process and a device for continuously preparing a 1, 3-cyclohexanedione crystal, the process and the device are a brand-new continuous acidification crystallization process and system based on a static mixer, and aims to fundamentally eliminate local supersaturation, realize accurate control of the crystal form and morphology of 1, 3-cyclohexanedione and produce a high-quality flaky crystal form product. And the continuity, the stabilization and the high efficiency of the production process are realized.

The present invention relates to a liquid nitric oxide releasing solution (NORS) comprised of at least one nitric oxide releasing compound and at least one acidifying agent, wherein the NORS provides an extended release of a therapeutically effective amount of nitric oxide gas (gNO). The present invention also relates to a liquid NORS comprised of at least one nitrite compound having a concentration of no greater than about 0.5% w / v and at least one acidifying agent, wherein the NORS releases a therapeutically effective amount of gNO. The present invention also relates to a method for the treatment of a wound in a human, the method comprising administering to the human a liquid NORS comprised of at least one nitric oxide releasing compound and at least one acidifying agent, wherein the NORS provides an extended release of a therapeutically effective amount of gNO. The present invention also relates to a method for the treatment, prevention, or reduction of incidence of a disease or disorder in a human in need thereof, the method comprising administering to the human a liquid NORS comprised of at least one nitrite compound at a concentration of no greater than about 0.5% w / v and at least one acidifying agent, wherein the NORS releases a therapeutically effective amount of gNO.

This invention relates to the field of operation and maintenance service management technology, and discloses a method and system for operation and maintenance service management of biogas slurry resource utilization, including: Step 1, establishing batch sampling and actual measurement, establishing a plot table, and obtaining nitrogen deficit; Step 2, calculating volume, intensity, and acidification dosage according to the parameter table, locking the process, and generating a prescription list; Step 3, using capacity and safety margin constraints for loading, segmenting by particle size, calculating weights, and locking the scheduling table; Step 4, acidifying and mixing thoroughly and verifying to the target pH, weighing and verifying again upon delivery, issuing a metering slip and shipping; Step 5, retesting pH and ammonia nitrogen to verify the prescription, and if qualified, the on-site parameters are read-only; Step 6, applying at a constant rate according to the prescription, reconciling dual-track metering, and recording faults for exceeding tolerances; Step 7, calculating the loss rate based on delivery, dual-track, and on-site actual measurement, comparing with thresholds for correction, and calculating the achievement rate of the three items. This invention realizes deterministic scheduling, unified metering standards, and traceable closed-loop management of biogas slurry throughout the entire process from delivery to soil application.

The invention relates to a synthesis method of sulfopropionic anhydride. The synthesis method comprises the following steps: (1) mixing 3-bromopropionic acid and sodium sulfite in water, and carrying out sulfonation reaction to obtain a mixture; (2) mixing the mixture with an acidifying agent, and carrying out acidification reaction to obtain 3-sulfonyl propionic acid; and (3) mixing the 3-sulfonyl propionic acid with a dehydrating agent and an organic solvent, and carrying out a dehydration reaction to obtain the sulfopropionic anhydride. According to the invention, compounds such as 3-bromopropionic acid and sodium sulfite are used as reaction raw materials to prepare sulfopropionic anhydride. The method has the advantages of cheap and easily available raw materials, simple operation and high yield, and is suitable for large-scale production.

The application belongs to the field of auxiliary agents, and particularly relates to a filler dispersant matched with alcohol-soluble ink and a preparation method thereof. The preparation method is as follows: polyether and phosphide are mixed to obtain a premix; the premix is heated, and then an acidifying agent is added to react to obtain a reaction product; the reaction product is sequentially cooled, filtered, discharged and packaged. The polyether, the phosphide and the acidifying agent are used to prepare the dispersant under strict operation conditions, the high-level dispersion and viscosity reduction ability of the alcohol-soluble ink when simultaneously using organic and inorganic fillers are improved, the dispersant is used for solvent type, solvent-free coating and printing ink, can stabilize the organic and inorganic fillers, especially titanium dioxide and silicon dioxide, can significantly reduce the viscosity of the grinding material, and increase the wetting and stability, and great convenience is provided and the cost is reduced.

Disclosed are an amyloid β measurement method and a reagent capable of more accurately measuring amyloid β and unaffected by molecular target drugs (antibody drugs) for amyloid β. Provided is an immunoassay method for amyloid β in a sample isolated from a living body including a pretreatment step for mixing a sample isolated from a living body, (1) an acidifying agent, and (2) at least one selected from the group consisting of cationic surfactants, zwitterionic surfactants, protein denaturants, and chelating agents.

The invention relates to the technical field of feed production, and discloses a low-protein piglet feed and a preparation method thereof. Comprising the following components in percentage by mass: 40%-60% of corn, 10%-20% of peeled soybean meal, 5%-8% of fermented soybean meal, 3%-10% of low-protein whey powder, 2%-8% of fish meal, 2%-5% of glucose, 1%-3% of soybean oil, 1.0%-2.5% of compound amino acid, 0.5%-1% of monocalcium phosphate, 0.5%-1% of stone powder, 0.1%-0.2% of glutamine, 1% of a vitamin mineral mixture, 0.2%-0.5% of an acidifying agent and 0.1%-0.2% of an enzyme preparation. According to the piglet feed formula, the acidifying agent is accurately added to cooperate with the synthesized amino acid to optimize intestinal health and reduce the content of crude protein, antibiotics are effectively replaced, and the green and environment-friendly breeding requirement in the post-antibiotic era is met.

The invention provides a method for preparing a calcium magnesium acetate environment-friendly snow melting corrosion inhibitor by comprehensive utilization of chlor-alkali salt mud solid waste, and belongs to the technical field of solid waste resource comprehensive utilization and organic material synthesis. The method comprises the following steps: firstly, preparing chlor-alkali salt mud and water into slurry, then adding acetic acid at one time under the action of an acidification auxiliary agent and an ionic liquid, and then realizing the precipitation of the calcium magnesium acetate environment-friendly snow melting corrosion inhibitor in an alcohol precipitation solution. According to the method, the utilization rate of the salty mud reaches 84.13-87.26%, the extraction rates of Ca < 2 + > and Mg < 2 + > in the salty mud respectively reach 95-99.99% and 85-92%, total recovery of high-value components in the salty mud is basically achieved, the precipitation rates of Ca < 2 + > and Mg < 2 + > in the solution respectively reach 96.4-99.9% and 96.6-99.9%, total precipitation of Ca < 2 + > and Mg < 2 + > is basically achieved, the product yield reaches 96.5-99.9%, the product whiteness reaches 98.0 or above, no waste liquid is generated in the whole process, and the method is suitable for industrial production. The cyclic utilization of the salty mud solid waste is realized.

The invention belongs to the field of organic solar cell acceptor material preparation, and discloses a preparation method of an organic non-fullerene acceptor intermediate, which comprises the following steps: taking dichloromethane as a solvent, mixing and stirring a compound 1 and a compound A, adding metal chloride in batches, reacting to obtain a compound 2, taking alpha as a solvent, and reacting to obtain the organic non-fullerene acceptor intermediate. Reacting the compound 2, the compound B and alkali liquor, and extracting to obtain a compound 3; taking monohydric alcohol as a solvent, reacting the compound 3 with sodium hydroxide, removing the solvent, adding water, adjusting the pH value to 1-2, stirring, filtering and drying to obtain a compound 4; taking beta as a solvent, reacting the compound 4, tetramethylethylenediamine and cuprous oxide to the end point, adding an acidifying agent, extracting with petroleum ether, filtering the obtained organic phase with diatomite, washing a filter cake with petroleum ether, removing the organic solvent under reduced pressure, and drying to obtain a compound 5; taking tetrahydrofuran as a solvent, reacting the compound 5, extracting with petroleum ether, and removing the organic solvent under reduced pressure to obtain a compound 6;

The present invention may be directed to compositions and methods for the treatment of alopecia / epilation, which may include the treatment of alopecia conditions. Compositions and methods relate to oral supplements of oral minoxidil, including an SLC22A9 inducer, an HIF-alpha inducer, and / or an acidulant. Acidification of blood in patients with alopecia may cause mild acidosis, which may up-regulate SLC22A9 and / or down-regulate AABC3. Inducing SLC22A9, inducing HIF-alpha, and / or acidifying the patient's blood can promote oral form of minoxidil into hair follicles.

The invention provides fructus podophylli jelly with the efficacy of improving qi deficiency and blood stasis and a preparation method of the fructus podophylli jelly. The fructus podophylli jelly is formed by mixing liquid medicine prepared from a traditional Chinese medicine composition and konjac powder according to a preset proportion, the traditional Chinese medicine composition is prepared from the following raw materials in parts by weight: 1 to 5 parts of fructus podophylli, 0.5 to 2.5 parts of semen ziziphi spinosae, 0.5 to 2.5 parts of radix astragali seu hedysari, 0.5 to 2.5 parts of arillus longan, 16 to 20 parts of gel, 2 to 10 parts of sweetening agent and 0.9 to 1.4 parts of acidulant. The preparation method of the fructus podophylli jelly with the efficacy of improving qi deficiency and blood stasis comprises the following steps: putting medicinal materials into a pot, adding a proper amount of clear water, soaking the medicinal materials for a first preset time, boiling, and continuously stewing with second preset fire for a second preset time; filtering the mixed liquid, and adding konjac powder, a sweetening agent and an acidulant which are prepared in advance into the liquid medicine; continuously stewing for a third preset time, and transferring the formed gel into the mold to obtain the finished product fructus podophylli jelly which is an innovative jelly product with the efficacy of improving qi deficiency and blood stasis and good taste.

This invention discloses a method for preparing a low-irritant feed acidifier, belonging to the field of feed additives. The preparation method includes preparing fumaric acid-treated sodium lignin sulfonate, preparing glutathione-treated sodium lignin sulfonate, and mixing them to prepare the acidifier. The acidifier emulsion prepared by this invention exhibits good stability. When the stability of the acidifier emulsion is tested according to the method in GB / T1603-2001, the emulsion does not exhibit stratification or precipitation.

The invention relates to the field of organic acidifying agents, in particular to a method for slowing down volatilization of fatty acid and weakening pungent smell. A method for slowing down volatilization of fatty acid and weakening pungent smell comprises the following steps: (1) mixing lignosulfonate and volatile fatty acid according to a mass ratio of 1: 10-1: 1 to obtain a mixture; (2) adding 20-30% of water into the mixture; and (3) heating and stirring at 40-70 DEG C for 0.5-1 hour, and cooling to room temperature to obtain a finished product. The method has the advantages that the method is simple to operate, safe and environment-friendly, the advantages of strong acidity and good bacterium killing capacity of fatty acid are played, the defects that the fatty acid is easy to volatilize and strong in pungent smell are inhibited, and the application of the fatty acid as an acidifying agent can be better widened.

The invention provides a composition for preventing or treating pet magnesium ammonium phosphate calculus and application thereof. The composition comprises a urine acidifying agent, a calculus formation inhibitor and a urinary tract repairing agent, the urine acidifying agent comprises any one or a combination of at least two of vitamin C, phosphate or methionine; the calculus formation inhibitor comprises a seaweed extract or / and chitosan oligosaccharide; the urinary tract repairing agent comprises any one or a combination of at least two of curcumin, hyaluronic acid, N-acetylglucosamine or cranberry extract. The composition provided by the invention synergistically maintains the pH value of pet urine to be weakly acidic, inhibits the generation of alkaline calculi, dissolves the formed alkaline calculi, repairs and protects urinary tract mucous membranes, realizes the nursing of the pet urinary system, and improves the health of the urinary system.

The invention discloses a method for regulating and controlling the strength of casein gel based on tripolyphosphate concentration gradient, belongs to the technical field of food processing and colloidal materials, and is particularly suitable for precise texture regulation and control of high-protein gel in dairy products. In order to solve the problems of poor strength adjustment flexibility and insufficient network structure compactness of casein gel in the prior art, the concentration gradient (0-60mEq / L, and adjacent concentration difference greater than or equal to 5mEq / L) of tripolyphosphate is designed, and the dissociation degree of casein micelles is regulated, so that the integral number of micelle suspension and the proportion of hydrophobic groups are synchronously increased, and the stability of the casein micelle is improved. Finally, directional enhancement of the gel strength and the network compactness is realized. The method specifically comprises the following steps: mixing tripolyphosphate solutions with at least three concentration gradients with casein micelle powder, fully dispersing, adjusting the pH value to be neutral, adding 0.5-3% of an acidifying agent (such as gluconic acid-delta-lactone), and carrying out constant-temperature treatment at 35-40 DEG C to form gel. Dynamic rheology and texture analysis show that the maximum storage modulus of the gel can reach 2596-28000 Pa, the hardness reaches 179.88-2349.19 N, and the performance parameters are in positive correlation with the concentration gradient of tripolyphosphate. The method has the innovativeness that 1) the micelle dissociation degree is controlled through concentration gradient design, and the limitation of single concentration regulation and control is broken through; and 2) the crosslinking density of the gel network is enhanced through double improvement of the volume fraction of dissociated micelles and the proportion of hydrophobic groups.

This invention provides a method for preparing sulfated polysaccharides suitable for the production of microcapsules. [Solution] The present invention relates to a method for preparing sulfated polysaccharides. A mixture comprising at least one polysaccharide and at least one polar aprotic solvent is prepared in this method. At least one sulfating agent, at least one acetylating agent, and at least one peroxydisulfate are added to the mixture, and the mixture is then subjected to a temperature treatment so that at least one polysaccharide is converted to at least one sulfated acetate polysaccharide. At least one sulfated acetate polysaccharide is separated from the mixture and converted to a sulfated polysaccharide. The present invention further relates to sulfated polysaccharides that can be prepared using the method according to the present invention. The present invention further relates to microcapsules and methods for producing microcapsules.

The invention belongs to the technical field of preparation of dairy products, and particularly relates to camel milk gel, camel milk yoghourt and a preparation method thereof. The camel milk gel comprises an acidifying agent and camel milk casein, and the particle size of the gel is less than or equal to 3.6 microns. According to the camel milk gel disclosed by the invention, the particle size of gel in a casein solution in camel milk is reduced to 3.6 microns or below, so that the gel with the water-holding capacity reaching 50% or above, namely the camel milk gel disclosed by the invention, can be obtained.

A composition for treating dentin hypersensitivity, comprising: a first component comprising: (i) a first rheology modifying polymer; (ii) a calcium ion source; (iii) a positively charged basic amino acid; and (iv) an acidifying agent, wherein the first component has a pH in the range of about 2.0 to about 7.0; a second component comprising: (i) a second rheology modifying polymer; (ii) a phosphate ion source; and (iii) an alkalizing agent, wherein the second component has a pH in the range of about 7.0 to about 14.0; wherein the first component and the second component are combined into a mixture such that a cationic amorphous calcium phosphate gel composition is created instantly when the pH of the mixture reaches a pH range of about 7.0 to about 9.5.

The invention discloses a compound having an effect of improving insulin resistance or a pharmaceutical salt thereof, and a preparation method and application thereof, and relates to the technical field of chemical drugs; the invention discloses a plurality of compounds having an effect of improving insulin resistance obtained by extraction and separation from red ganoderma lucidum, and the compounds have the effects of activating Akt or phosphorylation of insulin receptor substrate 1, promoting glucose uptake in a dose-dependent manner, lowering blood sugar and reducing fat, indicating the value of the compounds in preparing drugs for preventing or treating diseases related to insulin resistance.

The application discloses a kind of active humic acid slow-release fertilizer for saline-alkali soil improvement and a preparation method thereof, and belongs to the technical field of slow-release fertilizer preparation.The active humic acid slow-release fertilizer for saline-alkali soil improvement is composed of the following components in parts by weight: 30-40 parts of humic acid, 10-15 parts of urea, 10-20 parts of superphosphoric acid calcium, 10-15 parts of ammonium sulfate, 18-26 parts of composite film agent and 2-5 parts of modified acidifying agent.The slow-release fertilizer prepared using the above-mentioned substances has excellent slow-release performance and high utilization rate.