6 results about "Ammonium lactate" patented technology

The application provides a high-efficiency humidity-controlling energy-saving building material, a preparation method and application thereof, and the preparation method comprises the following steps: step one, preparing a porous substrate; step two, immersing the porous substrate in a humidity-controlling solution for a period of time, and taking out the porous substrate to obtain the high-efficiency humidity-controlling energy-saving building material, wherein the humidity-controlling solution comprises a humidity-controlling composition, the humidity-controlling composition comprises at least three kinds of light metal salts and one other kind of substance, the light metal salts are selected from calcium chloride, copper sulfate, potassium citrate, sodium malate, sodium citrate, sodium phenolate, ammonium chloride, potassium chloride, ammonium lactate, potassium carbonate, lithium bromide and sodium chloride, and the other kind of substance is selected from xanthan gum, silicon dioxide, sodium polyacrylate and sodium hexametaphosphate.

The invention provides a method for comprehensively utilizing calcium collophanite and associated elements thereof, which comprises the following steps: S1, carrying out lactic acid acidolysis treatment on collophanite to obtain phosphate concentrate and mixed filtrate I; s2, crystallizing and decalcifying the mixed filtrate I circulated for multiple times in the S1 by using sulfuric acid to obtain calcium sulfate dihydrate and a mixed filtrate II; s3, performing membrane treatment on the mixed filtrate II in the S2, so that lactic acid molecules can penetrate through a nanofiltration membrane and intercept SO2-4 and Mg < 2 + > to obtain clear liquid and concentrated water; and S4, adding ammonia water into the concentrated water under a heating condition to precipitate and remove magnesium, so as to obtain a magnesium hydroxide solid and a filtrate III. And S5, concentrating the filtrate III, dissolving with alcohol, and adding acetone to promote crystallization to obtain an ammonium lactate solid. According to the method, carbonate impurities are decomposed by adopting lactic acid, then high-quality gypsum and magnesium hydroxide are prepared step by step, and calcium, magnesium and phosphorus elements are comprehensively utilized.

Pharmaceutical compositions containing a synergistic combination of at least one antifungal active ingredient and at least one keratolytic agent and methods of treating tinea pedis with the pharmaceutical compositions are described. These pharmaceutical compositions include synergistic combinations of naftifine or terbinafine and urea, or naftifine or terbinafine and ammonium lactate, for effective treatment of moccasin-type and interdigital-type tinea pedis.

The invention provides an aluminum etching solution capable of compatibly etching Al / Mo and Mo / Al / Mo structures, which comprises the following components in percentage by mass: 55-70% of phosphoric acid, 1-8% of nitric acid, 10-24% of acetic acid, 0.1-10% of additive and the balance of water. The additive is formed by mixing alkali metal salt and an organic additive according to the mass ratio of (1-8): 1. The alkali metal salt is selected from one or more of potassium nitrate, potassium phosphate, sodium nitrate and sodium acetate. The organic additive is selected from one or more of 3-hydroxybutyric acid, N-(2-acetamido)-iminodiacetic acid, ammonium lactate and 4-methyl-2-pentanone. The etching solution provided by the invention can be compatible with metal laminations of Al / Mo and Mo / Al / Mo structures, the production efficiency can be improved, and the cost can be reduced.

The present invention relates to a pharmaceutical composition for the prevention or treatment of hearing loss containing ammonium lactate as an active ingredient. It has been confirmed that treating hair cells damaged by gentamicin with ammonium lactate increases the number of normal hair cells, and therefore, a pharmaceutical composition containing ammonium lactate as an active ingredient can be used to prevent or treat hearing loss, a side effect of using the antibiotic ammonium lactate.

This invention relates to the field of material modification technology, and discloses a method for modifying activated carbon fiber cloth using a composite hydrothermal method and its application. The method includes: immersing the activated carbon fiber cloth in a mixed solution of lactic acid and ammonium salt at a mass ratio of 1:(0.8-1.2), subjecting it to a water bath heating and shaking reaction at 70-90℃, and then removing the activated carbon fiber cloth for cleaning and drying. This method allows lactic acid and ammonium salt to simultaneously undergo acid oxidation modification, ammonium salt nitrogen modification, hydrothermal modification, and other composite modifications on the carbon structure of the ACF surface under a water bath shaking environment. Furthermore, the ammonium salt-lactic acid mixed solution can form a buffer solution system, ensuring the stability of the ACF water bath reaction environment. Through the above composite modification, a certain degree of etching can be produced on the ACF surface, increasing the specific surface area of ​​the carbon fibers and the number of active contact sites; acid oxidation modification can increase the number of oxygen-containing functional groups on the carbon fiber surface; and nitrogen modification by ammonium salt can increase the number of nitrogen-containing functional groups on the carbon fiber surface.