1·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。
2·Ingredients: alkyl indican, arbutin, Propylene glycol, etc.
成份：烷基糖苷、熊果苷、丙二醇等。
3·Polymers of propylene or of other olefins, in primary forms.
初级形状的丙烯或其他烯烃聚合物。
4·A new correlation which predicts propylene yield is presented.
介绍一个新的预测丙烯产率的关联式。
5·Propylene oxide is important material of organic chemistry industry.
环氧丙烷是一种重要的有机化工原料。
6·Label Statement: Contains flavor, propylene glycol and ethyl alcohol.
标签声明：本品含有香精，丙二醇和乙醇。
7·A new process of Hydration of propylene oxide to glycols was introduced.
采用反应精馏新工艺由环氧丙烷水合制丙二醇。
8·That too means less propylene, since it is also a by-product of petrol production.
既然丙烯也是石油工业产品的副产物，这也意味着其产量缩水。
9·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。
10·Label Statement: Contains flavor, propylene glycol, ethyl alcohol and Caramel Color.
标签声明：本品含有香精，丙二醇，乙醇和焦糖色素。
1·Macquarie has seen a sharp increase in demand from big companies for bespoke hedging products for polypropylene and propylene.
麦格里银行已经观察到大公司对定制的针对聚丙烯和丙烯的对冲产品的需求有显著的增长。
2·Many of the raw materials used in the petrochemical industry are unsaturated hydrocarbons, such as ethylene, propylene, butene and butadiene.
在石油化学工业中所用的许多原料是不饱和烃类，如乙烯、丙烯、丁烯和丁二烯。
3·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。
4·Compares the main propylene carbonyl synthesis processes and the development of relative catalyst at home and abroad, and analyzes several methods of recovering waste Rhodium catalysts.
比较国内外丙烯羰基合成主流技术以及羰基合成催化剂的研究进展情况。
5·If you have dry skin, use oil-based oil moisturizers that have propylene glycol to keep your skin moist.
如果你是干性皮肤，使用油性的润肤霜，它含有丙烯醣质能使你的皮肤保持滋润。