Hydrogen peroxide is a natural whitening agent, and baking soda and salt work together to lift the stain. 双氧水是天然的增白剂,和小苏打、盐一起可以去除污渍。
Pure natural water from a stream or brook; often distinguished from soda water. 来自溪流的天然纯净水,通常区别于苏打水。
The natural soda water occurs mainly in the pore-fissure confined aquifer of the clastic rock of Nenjiang group, Upper Cretaceous. 天然苏打水主要赋存于上白垩统嫩江组碎屑岩孔隙裂隙承压含水层中。
Using quartz sand, limestone, dolomite and other natural mineral as the main raw material, cooperate with some soda, borax etc chemical raw materials melting into glass. 采用石英砂、石灰石、白云石等天然矿石为主要原料,配合一些纯碱、硼砂等化工原料熔成玻璃。
A study on Preparation of microbial flocculant for natural soda by using medicinal herb residue 用中药渣制备天然碱泥用生物絮凝剂的研究
Using the phase diagram of naco_3-na_2so_4-nacl-h_2o, the four components system to separate the natural soda 利用Na2CO3-Na2SO4-NaCl-H2O四元体系相图分离天然碱
Natural circulation evaporator with external calandria is used in the evaporation process for the production of 72% ( wt) flake caustic soda. STUDIES AND APPLICATION ON THE DRIVING IN THE MIDDLE TYPE FORCED CIRCULATOR FOR VACUUM PANS WITH FLOATING CALANDRIA 目前,对用于72%片碱生产的外热式自然循环蒸发器的研究和推广应用已经取得了一些进展。NJK吊鼓式结晶罐强制循环中置机构研究与应用
In order to solve the contradiction in the shortage of soda for the development of the glass industry and to make full use of natural re-sources, We use the separated natural soda in place of soda& ash. 为了解决玻璃工业发展所需纯碱供不应求的矛盾和充分利用资源,以分离后的天然碱代替纯碱。
Thermodynamic and kinetic parameters in removing phosphorus, sulphur and niobium from hotmetal using natural soda ash have been studied in laboratory experiments. 在实验室条件下,用内蒙天然碱进行了包钢铁水的预处理试验,研究了铁水脱磷、脱硫和脱铌的热力学和动力学参数。
The old natural circulation evaporation process with two-effect and six-compartment evaporators in Tianjin Chemical Plant was modified to achieve diaphragm caustic soda capacity of 100 kt/ a. 天津化工厂为满足10万t/a隔膜烧碱的生产能力,对原双效六体自然循环蒸发工艺进行了改造。
Study on Phase Diagram for the Development of Natural Soda Lake Brine by Ammoniation-Carbonation Process 氨化-碳酸化法开发天然盐碱湖的相图研究
The sodium bicarbonate is produced in China mainly by two processes: calcined soda liguid phase carbonization and natural soda liquid phase carbonization. 中国小苏打生产主要采用两种工艺:纯碱液相碳化法、天然碱液相碳化法。
A description of natural increment phenomena of caustic soda in magnesite, its influence on determination of magnesium oxide in magnesite, and methods of eliminating the influence is given through test data. 通过试验数据,论述了镁砂中烧减含量自然的增量现象,对测定镁砂中氧化镁含量高低的影响及消除其影响的方法。