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A review with 21 references on development and applications of calix crown ethers are described.
摘要综述了杯芳冠醚的产生、发展及应用研究的新进展,展望了它的工业应用前景.
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The nicramine ethers perform two functions in the smokeless powder composition.
硝胺醚在无烟火药成份中有两种作用.
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As an important octane booster in unleaded gasoline , the need for ethers becomes more and more.
醚类作为重要的高辛烷值调和组分, 需求量日益增加,醚化催化剂的研究也越来越活跃.
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The hydroxyl groups can be changed into esters , ethers , acetals and ketals, etc.
最常用的羟基保护基可归纳为三类:酯类 、 醚类和缩醛或缩酮类.
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- dory n.平底的小渔船,海鲂;
- her pron.(she的宾格)她;(she的所有格)她的;她,指某个国家,(一艘)船;
- basket n.篮,筐;一筐的量;投篮得分;
- body n. 身体;尸体;团体;物体;vt. 赋予形体;
- wrong adj.错误的,有问题/麻烦的;不合适的;出故障的;不道德的;不可取的;adv.错误地;
- east n.东,东方;东方国家;〈诗〉东风;adj.东方的,向东方的;从东方来的;
- alcohol n.乙醇,酒精;含酒精的饮料;
- shorten v.(使)变短,缩短;
- disaster n.灾难;不幸;彻底失败;
- snookered v.使陷入困境,使受挫折( snooker的过去式和过去分词 );
- we pron. 我们,咱们;笔者,本人;朕;人们;
- support v.支持;帮助,资助;养活,维持;支撑;证实;n.支持;帮助;支撑(物);证据;

