| 1. | 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。 |
| 2. | Method of test for organic impurities in fine aggregate
细集料中有机杂质的试验方法 |
| 3. | 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 |
| 4. | 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 |
| 5. | 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 |
| 6. | Method of test for fine aggregate containing organic impurities by compressive strength of mortar
用灰浆抗压强度测定细集料中有机杂质含量的试验方法 |
| 7. | Standard test method for determination of trace organic impurities in monomer grade vinyl chloride by capillary column multidimensional gas chromatography
毛细管柱多维气相色谱法测定单体级氯乙烯中微量有机杂质的标准试验方法 |
| 8. | Several key factors , ultrasonic dispersion , water / organic solvent mixing medium , surfactant , were used and adjusted in order to obtain composite particles with better monodispersity and less organic impurities
在有机介质加入量较小的情况下，极性较小的丙酮更有利于合成单分散性好、粒径小的磁性复合微球。 |
