| 1. | Ethylene is a growth hormone in plants . 乙烯是植物中一种生长荷尔蒙。 |
| 2. | Diethylenetriamine will swell the resin . 二乙烯三胺将使树脂膨胀。 |
| 3. | Diphenyl carbonate shows a typical vinyl ester effect . 碳酸二苯酯表现典型的乙烯的酯类的效应。 |
| 4. | Plants are sensitive to the simple olefins, particularly c2h4 . 植物对简单烯烃是敏感的特别是乙烯。 |
| 5. | vinyl testosterone also shows a weak band near 3085. 乙烯睾丸素也在3085厘出现一个弱谱带。 |
| 6. | Plasma-polymerization of ethylene gives films of complex, uncertain structure . 乙烯的等离子聚合得到复杂的,无固定结构的薄膜。 |
| 7. | In the ethyne molecule, a double bond links together the two carbon atoms . 在乙烯分子中是由一个双键将两个碳原子连结在一起的。 |
| 8. | Jaffe found that when rubbed plants give off increased amounts of ethylene . 贾菲发现,当搓揉植株时,植物放出的乙烯数量就增加。 |
| 9. | Ethylene and trans-dichloroethylene are both inactive in the infra-red in this region . 乙烯和反式二氯乙烯在红外光谱的这个区域都无活性。 |
| 10. | Ethylene and trans-dichloroethylene are both inactive in the infrared in this region . 乙烯和反式二氯乙烯在红外光谱的这个区域不出现吸收峰。 |