organic impurity meaning in Chinese

有机不洁物
有机杂质

Organic impurities are sometimes present to such an extent that the rock must be calcined to remove them .
有时候矿石中存在有机杂质甚多，以至必须将矿石进行煅烧以消除之。
Method of test for organic impurities in fine aggregate
细集料中有机杂质的试验方法
Standard test method for organic impurities in fine aggregates for concrete
混凝土用细集料中有机杂质含量的标准试验方法
Adsorption and removal of organic impurities in ultra purity hydrogen peroxide preparation
超纯过氧化氢制备中有机杂质的吸附净化技术进展
Standard test method for effect of organic impurities in fine aggregate on strength of mortar
细集料中有机杂质对灰浆强度影响的标准试验方法

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