ethylene的例句

1. They've developed these sensors that can detect tiny amounts of ethylene.: 他们已经开发了这些传感器，可以检测到微量的乙烯。

2. Ethylene is the natural plant hormone in fruit that makes them turn ripe, apparently.: 很明显，乙烯是水果中天然的植物激素，使水果成熟。

3. Auxin also causes the plant to develop a vascular system, to form lateral roots, and to produce ethylene.: 生长素还能使植物形成维管系统，形成侧根，并产生乙烯。

4. The preservative used is usually ethylene glycol or propylene glycol, as alcohol will evaporate quickly and the traps will dry out.: 常用防腐剂是乙二醇或丙二醇，因为随着酒精快速挥发，捕集器也随之恢复干燥。

5. Reaction of the isocyanic acid (HNCO) and isothiocyanic acid (HNCS) with ethylene radical is studied.: 研究了异氰酸及异硫氰酸与乙烯自由基之间发生的反应。

6. Polymers of ethylene, in primary forms.: 初级形状的乙烯聚合物。

7. A univalent chemical radical derived from ethylene.: 从乙烯衍生而来的一价化学基。

8. Apples, for example, release ethylene gas, a plant hormone.: 例如苹果，释放出乙烯气体，这是一种植物激素。

9. Such reactions to ethylene are consistent with ancient reports.: 这种对乙烯的反应和古代的一些报道是一致的。

10. Plants all produce ethylene, a ripening gas that promotes maturation.: 植物会产生乙烯，这是一种促进植物老化的催熟气体。

11. Vodka stunts ethylene production, thereby helping flowers stay wilt-free longer.: 伏特加可以抑制乙烯的产生，以此让鲜花的枯萎时间延后。

12. Fruits that release a lot of ethylene also include apricots, melons and tomatoes.: 大量释放乙烯的水果还包括杏子、瓜果和番茄。

13. Apples give off a natural gas called ethylene that can wilt, spot, or rot other food.: 苹果散发出的天然气体被称为乙烯，这可以使其他的食物枯萎，出现黑斑或腐烂。

14. The trouble is that the ethane route to making ethylene produces virtually no propylene.: 问题在于这种用乙烷制作乙烯的生产流程几乎不会伴有丙烯产生。

15. Commercial test proves that topped oil is an excellent ethylene pyrolysis feedstock.: 工业试验证明，拔头油是一种优良的乙烯裂解原料。

16. The direct effect of ethylene on lipase activity and its mechanism have been studied.: 研究了乙烯对脂肪酶活力的直接作用及其机理。

17. There are two systems which regulate ethylene production in respiration climacteric fruit.: 跃变型果实中乙烯生成有两个调节系统。

18. Ethylene can also be turned into alkanes, a class of hydrocarbons that are a component of gasoline.: 乙烯还可以转变成烷烃——是石油中含有的一种碳氢化合物。

19. This series products are compounds polymerized from ethylene oxide as initiating agent and EO.: 本系列产品是以乙二醇为起始剂与环氧乙烷聚合制得的化合物。

20. 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。

21. Apples, for example, release ethylene gas, a plant hormone. It can cause other foods to ripen too quickly.: 例如，苹果释放乙烯气体——一种植物激素，会引起其它食品过早成熟而腐烂。

22. Whenever a plant responds to applied, I. E., unbalanced, applications of auxin, ethylene is produced.: 当一植物对不平衡地施用生长素起反应时，总是产生乙烯。

23. PET is made from two feedstocks, one of them an organic acid, the other ethylene glycol, which is relatively inexpensive.: PET由两种原料制成，一种是有机酸，另一种是相对便宜的乙二醇。

24. Samples from Delphic spring water and rock from the intersecting faults revealed traces of several chemicals including ethylene.: 特尔斐泉水的样本以及断层裂缝岩石的样本中提炼出几种化学物质，其中包括乙烯。

25. Samples from Delphic spring water and rock from the intersecting faults revealed traces of several chemicals including ethylene.: 特尔斐泉水的样本以及断层裂缝岩石的样本中提炼出几种化学物质，其中包括乙烯。

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