您要查找的是不是:
- Thus varying the nature of R from primary to secondary to tertiary alkyl results in increasing yields of the hydroxy ethers. 当R按伯、仲、叔烷的顺序递变,则所得羟基醚的产率就随之而增高。
- Several etherification processes and catalysts for the synthesis of tertiary alkyl ethers from alcohols and iso olefins are reviewed. 对几种以异构烯烃和醇的醚化工艺作了综述。
- Thus varying the nature of R from primary to secondary to tertiary alkyl results in increasing yields of the hydroxy ethers 当R按伯、仲、叔烷的顺序递变,则所得羟基醚的产率就随之而增高。
- tertiary alkyl 叔烷基
- tertiary alkyl peroxide 叔烷基过氧化物
- Alkyl halides are reacted with sodium nitrite. 卤化烷与亚硝酸钠反应。
- Alkyl bromides can be produced this way. 溴化烷可以这样形成。
- Developing the tertiary industry. 加快发展第三产业。
- China StatistlcalYearbook of The Tertiary Industry. 中国第三产业统计年鉴。
- To add one or more alkyl groups to(a compound. 使烷基化在(一种化合物)中添加一个或多个烷基团
- Tertiary education follows secondary education. 高等教育紧跟中等教育。
- Developing the tertiary industry? 加快发展第三产业。
- To add one or more alkyl groups to(a compound). 使烷基化在(一种化合物)中添加一个或多个烷基团
- This might be called a “tertiary structure. 这可能是所谓的“三级结构”。
- Diagnosis: tertiary neurosyphilis-general paresis. 诊断为三期神经梅毒麻痹性痴呆。
- Other tertiary institutions also offer degree courses in education. 其他高等教育院校亦有开办教育学位课程。
- Formation of an alkyl ion occurs according to reactions. 按照反应式生成烷基离子。
- The general answer to this problem is to avoid alkyl halides. 解决这一问题的一般办法是避免使用烷基卤。
- Tertiary treatment comprises a series of physicochemical steps. 三级处理包括一系列物理化学处理步骤。
- Ingredients: Alga essence, alkyl indican, chamomile essence, etc. 主要成分:海藻精华、烷基糖苷、洋甘菊精华等。