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- The development of shape - selective alkylation of biphenyl to 4,4' - dialkylbiphenyl over zeolite catalysts is reviewed. 综述了用沸石分子筛作催化剂,择形烷基化合成4,4’-二烷基联苯的研究进展。
- A new camphol sandaliol was synthetized by selective alkylation of isocamphol and phenol with acidic catalyst, and following hydrogenated in the presence of Raney nickel. 摘要本文用异龙脑与苯酚在酸性催化剂作用下进行选择性烷基化反应，再经催化氢化还原得到龙脑檀香产品。
- Keywords Capillary gas chromatography-mass spectrometry;Methylnaphthalene;Shape _ selective alkylation products; 毛细管气相色谱-质谱;甲基萘;择型烷基化产物;
- She helped to select a dress for Ruth. 她帮着给露丝选了一件衣裳。
- She is selective in the dresses she wears. 她对于自己穿的衣服精挑细选。
- She only stays at select hotels. 她只住一流旅馆。
- Alkyl halides are reacted with sodium nitrite. 卤化烷与亚硝酸钠反应。
- Can student willfully select the course? 学生可以随意选择课程吗？
- A select group were invited to the wedding reception. 一群经过挑选的人士被邀请参加婚宴。
- Alkyl bromides can be produced this way. 溴化烷可以这样形成。
- selective alkylation 选择性烃化反应
- I'm very selective about the people I associate with. 我与他人来往极慎重，不滥交。
- This invention concerns an alkylation process. 本发明涉及烷基化方法。
- Select the drive in which you want to store the document. 选择想把文件存储在其中的驱动器。
- 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
- Our shops select only the very best quality produce. 我们商店都是精选的质量最高的产品。
- 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
- selective alkylation process 选择性烷基化过程
- This is a very select area; you have to be rich to live here. 这是高级住宅区，你必须有钱才能住在这里。
- A select group of their friends was invited to the wedding. 他们的经过挑选的一群朋友应邀参加婚礼。
