The standard states that the citric acid-sodium nitrate treatment is the least hazardous for removal of free iron and other metallic contamination and light surface contamination.
该标准声明：柠檬酸-硝酸钠处理在去除游离铁合其他金属污染和轻的表面污染物时，危险性最低。
2
The main causations for the precipitate in amur grape wine are microzyme self-dissolve, microbial contamination, excessive oxidation and over quantity of tarter muriatic acid etc.
山葡萄酒浑浊的主要原因有酵母菌自溶、微生物污染、氧化过度、蛋白质和酒石酸盐过多等。
3
Disposal method for uranium waste rock site bearing sulfide is described, which can not only dispose acid water from uranium waste rock bearing sulfide but also dispose radioactive contamination.