| 1. | Identify the volatile product and comment .
鉴定此挥发性产品并评述。 |
| 2. | A liquid fuel which easily evaporates and turns into vapour is called "volatile" .
易于蒸发和变成气体的液体燃料叫作“挥发性”燃料。 |
| 3. | It is like the sense of chill that follows immersion of the hand in a volatile liquid .
这很像把手浸入挥发性液体后的那种凉飕飕的感觉。 |
| 4. | The volatile solvent may vaporize into the pores of the membrane and condense out on the other side .
挥发性溶剂可蒸发进入膜的孔隙并在另一侧凝析出来。 |
| 5. | The presence of a nonvolatile solute in a liquid always lowers the vapor pressure of the solution .
溶液中存在的非挥发性溶质，总是使溶液的蒸气压降低。 |
| 6. | 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。 |
| 7. | chloral is a colorless, volatile liquid with a very penetrating odor and boiling at 97.7℃.
三氯乙醛是无色挥发性的液体，带有刺激性很强的气味，在97.7沸腾。 |
| 8. | That carbolic acid, although an energetic antiseptic, had little persistent effect due to its volatility and solubility in water .
碳酸虽是一种强力防腐剂，但由于挥发性和水溶性，其持久性小。 |
| 9. | A fuel too volatile for the outside temperature, or a missing restrictor in the vapor line, will also cause improper engine idling .
就外界温度而言，燃油的挥发性过高，或蒸汽管路中的节流器有故障，也会使发动机的怠速不稳。 |
| 10. | More research is needed to develop effective methods of removing volatile chemicals from waste streams without contributing to the problem of air pollution .
要注意多研究从废水中除去挥发性化学物质而又不引起空气污染的有效方法。 |
