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。
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。
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.
提出的含硫化物铀废石场治理方法不仅根治了酸性水，也治理了放射性污染。
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