| 1. | In contact with a hot surface, naphtha petroleum fractions crack to produce ethylene and propylene . 石脑油馏份与一个热表面接角,就裂解而得到乙烯和丙烯。 |
| 2. | 05 . 01 test method for hydrogen in petroleum fractions 石油馏分物氢含量测试方法 |
| 3. | Standard test method for hydrogen in petroleum fractions 石油馏分中氢含量的标准试验方法 |
| 4. | Test method for boiling range distribution of petroleum fractions by gas chromatography 气相色谱法测定石油馏份的沸腾范围分布的试验方法 |
| 5. | Standard test method for boiling range distribution of petroleum fractions by gas chromatography 气相色谱法测定石油馏分沸腾区域分布的标准试验方法 |
| 6. | Methods of test for petroleum and its products - determination of polycyclic aromatics in unused lubricating base oils and asphaltene free petroleum fractions - dimethyl sulphoxide extraction refractive index method 石油和石油产品试验方法.第102部分:未用的润滑基油和不含沥青烯的石油馏分物中多环芳香族环烃的测定.二甲硫析取物折射指数法 |