| 1. | The petroleum hydrocarbon is called hexane . 己烷是一种石油碳氢化合物。 |
| 2. | The hydrocarbon must be an alkene . 这个碳氢化合物必定是烯烃。 |
| 3. | A typical example is the halogenation of a hydrocarbon . 典型的例子是碳氢化合物的卤化。 |
| 4. | A hydrocarbon was known to be either an alkene or alkane . 某碳氢化合物已知可能是烯烃或是烷烃。 |
| 5. | A large number of hydrocarbons such as benzopyrene are also mutagenic . 大量碳氢化合物如苯并芘也是诱变剂。 |
| 6. | Hydrocarbons are molecules containing only hydrogen and carbon atoms . 碳氢化合物是只含碳原子和氢原子的分子。 |
| 7. | Various hydrocarbons and chlorine gas are examples of this category . 各种各样的碳氢化合物和氯气就是这种类型的代表。 |
| 8. | The primary forces causing migration of hydrocarbons are buoyancy and capillarity . 引起碳氢化合物运移的主要作用力是浮托力和毛细力。 |
| 9. | The beds, rich in organic material from which hydrocarbons originated, are called source beds . 富含能够产生碳氢化合物的有机物质的地层叫做生油层。 |
| 10. | Cracking involves the chemical breakdown of higher, less volatile hydrocarbons into smaller molecules . 裂化是使较重的低挥发性的碳氢化合物分裂成较小分子的化学分裂。 |