31 results about "Bicarbonates sodium" patented technology

The invention relates to an alloy ingot cooling liquid, which belongs to the technical field of alloy casting. The invention comprises 980-998 parts of water, 1.2-12 parts of sodium alkylbenzene sulfonate, 0.2-2 parts of sodium sulfate, and 0.2-2 parts of sodium tripolyphosphate 2 parts, 0.2-2 parts of carboxymethyl cellulose, 0.1-1 part of acrylic acid, 0.1-1 part of sodium bicarbonate; the alloy ingot cooling liquid of the present invention can rapidly cool the zinc alloy surface, and the zinc alloy will not crack , water ripples and bulges, it has the advantages of low cost, simple process, convenient operation and good environmental protection effect.

The invention discloses an esomeprazole sodium and sodium chloride injection and a preparation method thereof, and belongs to the technical field of an injection. Every 100 mL of the injection includes: 35-45 mg of esomeprazole sodium, 1.5-4.5 mg of edetate disodium, 6-10 mg of sodium hydroxide, 4-8 mg of sodium bicarbonate, 0.9 g of sodium chloride, and a proper amount of injection water. The invention further provides a preparation method of the injection. Through prescription optimization, sodium bicarbonate, sodium chloride and injection water are added in the prescription, wherein sodiumbicarbonate has an effect of buffering and adjusting the pH value and makes the pH value of the injection always maintain in an effective pH value range of a medicine. The injection can be directly used, so that pollution during a preparation process is prevented. The injection is good in stability and not prone to degrade. According to an accelerated test, the injection can be stored for 6 monthswith the efficacy only reduced by 5.5%. The injection can be stored for 12 months at the room temperature with the efficacy being 98% of the original efficacy, and meets the quality standard.

The invention discloses a high-efficiency dilution powder of pig fresh essence stored at 4°C and a preparation method and application thereof. 4-8, sodium bicarbonate 1.2-1.4, potassium chloride 0.7-0.8, cysteine ​​0.3-0.5, inositol 0.4-0.6, penicillin 1.0-1.5, streptomycin 1.0-1.5, soybean lecithin 0.4-1.0 . The method of use is to use 1 L of diluent prepared by the dilution powder to dilute after the pig semen is collected. The diluted semen can be stably stored in a 4°C refrigerator for 11-15 days or more, and the semen quality can still meet the requirements of insemination. , the sperm motility rate is above 0.6. The content of the present invention is the results obtained through more than 300 tests over a period of 2 years. The application in pig farms proves that pig sperm can still have insemination ability after being stored in a refrigerator at 4°C for 11 days, and the effect is stable.

A composition (C) for use in dentistry and a device (1) for treating the oral cavity, the device comprising: a housing chamber (2) containing the composition (C) in liquid state; a conduit (3) comprising For discharging a composition (C) configured to generate a flow (F) at a given discharge pressure; and a delivery valve (4) interposed between the holding chamber (2) and the discharge conduit (3) During the period, the valve (4) can be switched between a delivery state and a closed state. In the delivery state, the accommodating chamber (2) is fluidly connected with the conduit (3) to allow a predetermined amount of the composition (C) to pass through. In the closed state , the composition (C) is not allowed to pass between the holding chamber (2) and said duct (3). The composition comprises 10-15 wt% sodium bicarbonate and 100 wt% water.

The invention relates to a composition for promoting the colonization performance of coccidian oocysts and a preparation method thereof. The composition comprises, by weight, 10 to 40 parts of pepsin, 10 to 40 parts of sodium salicylate, 10 to 20 parts of sodium bicarbonate, 5 to 10 parts of sorbitol and 10 to 30 parts of potassium iodide. The composition is scientific and reasonable in composition, simple in preparation process, convenient to use and low in cost; and the composition can rapidly accelerate excystation of sporulated oocysts to release sporozoites, allows the sporozoites to rapidly enter intestinal epithelial cells for schizogenesis and gamogenesis so as to reduce loss of the sporozoites with intestinal contents, improves bonding between the sporozoites and cells, realizes rapid colonization of the sporozoites and enhances the utilization rate of a coccidium vaccine.

The invention relates to a composition containing linezolid tablets, which is composed of mannitol, sodium bicarbonate, anhydrous citric acid, polyethylene glycol, Tween 80, crospovidone and silicon dioxide; the invention also discloses A method for preparing a linezolid composition was developed. After solvent-free spray granulation and ethylene glycol surface modification, the technical defects of linezolid crystal form IV easy to change crystal form and produce impurities were solved during the preparation process. . The linezolid composition disclosed by the invention, especially the linezolid tablet, has stable quality and good dissolution rate; the disclosed preparation method is simple in operation and low in cost, and is very suitable for industrial production.

The invention provides a ceftezole sodium powder injection and a synthesis method thereof. The powder injection is composed of more stable ceftezole sodium crystals. The method reacts tetrazoleacetic acid, N, N'-dicyclohexylcarbodiimide and 7-aminocephalosporanic acid in a ratio of 1.4~1.7:1~1.3:1 in dimethyl sulfoxide, and then The reaction intermediate is reacted with 1.1-1.3 times of thiadiazole mercaptan to prepare ceftezole, and after recrystallization with acetone, ceftezole sodium is prepared in aqueous sodium bicarbonate solution. The method is simple and easy, and the total yield is as high as 55.5%.

The invention discloses a sodium bicarbonate feeding device, which relates to the technical field of waste incineration treatment. The key points of the technical scheme include a material box, a discharge barrel, a valve device, an air inlet pipe and a fan; One end of the seat is fixed with a mounting seat, the top of the mounting seat is fixed with a first motor, the output end of the first motor is fixedly connected with the fan impeller, and a lifting plate is installed in the material box to slide vertically; the valve device includes a fixed ring, a positioning column , four blade shafts and four fan-shaped blades; each blade shaft is rotatably connected with the fixed ring; a circular cavity is opened in the positioning column, and the first transmission component is arranged in the circular cavity; the top of the fixed seat is fixed with a support A seat, one side of the support seat is rotatably mounted with a first gear, one side of the mounting seat is rotatably mounted with a second gear, and the first gear meshes with the second gear. The invention solves the problem that the working efficiency of a single motor cannot be fully utilized, and achieves the effect of improving the working efficiency of the motor.

The invention provides an effervescent tablet and its preparation method and application, belonging to the technical field of cleaning agents. The effervescent tablet provided by the present invention comprises the following components in parts by mass: 10-30 parts of citric acid, 10-20 parts of maleic acid, 5-15 parts of sulfamic acid, and 15-25 parts of sodium carbonate , 5-20 parts of sodium bicarbonate, 1-15 parts of maleic acid-acrylic acid copolymer, 5-10 parts of ethylenediaminetetraacetic acid, 0.5-1 part of magnesium stearate, N,N-dimethyl-N- Tetradecylbenzyl ammonium chloride 5-30 parts. Utilizing the effervescent tablet provided by the present invention as a cleaning agent, it can be quickly disintegrated after being put into water, and the cleaning effect is good, especially suitable for cleaning milk dirt. When used to clean the milk circuit of a coffee machine, it can quickly and thoroughly clean milk. The remaining milk dirt in the road prevents dirt from depositing and prolongs the service life of the coffee machine.

The invention discloses a preparation method of o-iodoaniline. The synthesis route is represented by a formula in the invention. The preparation method possesses following advantages: raw material aniline is widely available and cheap, and is beneficial for industrialized utilization of the preparation method; in a certain solvent, sodium bicarbonate / I2 are used for preparing paraiodoaniline via direct iodination of aniline, and yield is high; paraiodoaniline is taken as a raw material, a certain catalyst is adopted, and rearrangement reaction is carried out so as to realize chemical conversion of paraiodoaniline into o-iodoaniline, processing steps are few, conditions are mild, and green environment-protection requirements are satisfied; and both paraiodoaniline and o-iodoaniline are preferable pharmaceutical intermediates.