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- benzene - alkene ratio 苯烯比
- Having a ring composed exclusively of carbon atoms, as benzene. 碳环的有一个仅由碳原子组成的环的，如苯
- The ratio of students to teachers is 35:1. 学生和老师的比率是三十五比一。
- The ratio of schoolboys to schoolgirls is 2 to 1. 男学生和女学生的比例是2比1。
- The hydrocarbon must be an alkene. 这个碳氢化合物必定是烯烃。
- Men outnumber women here in the ratio of three to one. 此地男子数量以三比一超过女子。
- The first or last term of a ratio or a series. 首项，末项比率或数列中第一个或最后一个项
- The benzene ring and alkene structural group are much more stable than structural group of sulfoacid for the carbonifying process of polystyrene. 在碳化过程中，聚苯乙烯阳离子交换树脂的苯环结构和烯烃基团比磺酸基团稳定。
- The Alkene Double Bond: A Focus of Reactivity. 21烯烃的双键：重点是反应活性。
- Benzene hexachloride is commonly called BHC. 六氯化苯通常称为BHC。
- The benzene ring is also seen in other compounds. 苯环在其他化合物中也可以看见。
- Ferric Chloride alone gives polymer with benzene. 三氧化铁可单独催化苯的聚合。
- After-tax profit margin is the ratio of net income to net sales. 税後利润率指净收入与净销售之比。
- The ratio of men to women was two to one. 男女的比例是二比一。
- What does benzene barbitone treat? 苯巴比妥治疗什么？
- 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。
- Clearing agents include benzene and xylene. 透明剂包括苯和二甲苯。
- Benzene - The Prototypic Aromatic System. 苯--典型芳香体系。
- Benzene hexachloride is commonly called BHC . 六氯化苯通常称为bhc。
- The interval between any two frequencies having a ratio of2 to1. 倍频程频率比率为2比1的两个频率的间隔
