| 1. | The example of the harmfulness of metal chips to the hydraulic system 金属杂质对液压系统的危害实例 |
| 2. | Metallic impurity in lubricating oil 润滑油含金属杂质 |
| 3. | Analyses of removing and mechanisms of metal imputies producing sodium silicate from rice husk and straws 稻草制取水玻璃过程中金属杂质的去除及其机理分析 |
| 4. | Chemical reagent - general method for the determination of metals by solvent extraction followed by aas 化学试剂溶剂萃取-原子吸收光谱法测定金属杂质通用方法 |
| 5. | Iron and steel . micrographic method of determination of the non metallic inclusion content of unalloyed wire rod 钢铁.测定非合金钢线材中非金属杂质含量的显微照相方法 |
| 6. | Iron and steel . methods of determination of the non metallic inclusion content of wrought steels . part 1 : macroscopic methods 钢铁.锻钢中非金属杂质含量的测定方法.第1部分:低倍法 |
| 7. | Standard test method for determination of metallic impurities in uranium metal or compounds by dc - arc emission spectroscopy 用直流电弧发射光谱分析法测定铀金属或化合物中金属杂质的标准试验方法 |
| 8. | Standard test method for trace metallic impurities in electronic grade titanium by high mass - resolution glow discharge mass spectrometer 使用高分辨率发光质谱仪测试电子级钛中痕量金属杂质的标准试验方法 |
| 9. | Standard test method for trace metallic impurities in high purity copper by high - mass - resolution glow discharge mass spectrometer 使用高质量分辨率辉光放电质谱仪测量高纯度铜中痕量金属杂质的标准试验方法 |
| 10. | Standard test method for trace metallic impurities in electronic grade aluminum by high mass - resolution glow - discharge mass spectrometer 应用高质量分辩率辉光放电质谱计测定电子级铝中微量金属杂质的标准试验方法 |