| 1. | The first stage is to split the crude oil into more manageable portions .
第一步就要将原油分割成更易处理的馏分。 |
| 2. | The heavier boiling fractions remain, in liquid form on the manifold wall .
较重的沸腾着的馏分以液态停留在多孔的壁上。 |
| 3. | Light petroleum distillate, generally known as naphtha, was the logical choice .
轻石油馏分，如石脑油是合乎逻辑的选择。 |
| 4. | So the first stage is to split the crude oil into move manageable portions .
因此，第一步就要将原油分割成更易处理的馏分。 |
| 5. | And so the first stage is to split the crude oil into more manageable portion .
因此，第一步就要将原油分解成更易处理的馏分。 |
| 6. | These early observations have been supplemented with results from chemical fractionation .
这些早期的观察曾为化学馏分的结果所增补。 |
| 7. | And optimum selection of crude types to meet market requirements by blending is necessary .
因此，必须选择适当的馏分油，用调合法使它满足市场的要求。 |
| 8. | During the course of the tbp distillation, the distillates which accumulate between specified temperatures are withdrawn .
在真沸点蒸馏过程中，对规定温度范围内所收集的馏分可加以回收。 |
| 9. | 05 . 01 test method for hydrogen in petroleum fractions
石油馏分物氢含量测试方法 |
| 10. | Study on hydrocracking processing of daqing distillate oil
大庆馏分油加氢裂化的研究 |
