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- hydrophilic ether bond 亲水醚键
- Poly(ether imide)(PEI)is a modification kind of high performance polymer,which adds a ether bond to macromolecular chain of polyimide(PI). 聚醚酰亚胺(PEI)是在聚酰亚胺(PI)链上引入醚键形成的一类高聚物。
- Poly-carboxylic water-reducer is a polymer with sulphonic group and carboxy group and ether bond was indicated by Infrared absorption spectra. 经红外光谱分析表明,聚羧酸系减水剂是具有磺酸基、羧酸基、醚键的聚合物。
- Three phenylalkyl substituted hydroquinones were synthesized from 1,4 dimethoxybenzene by Friedel Crafts acylation, Huang Minlon modification reduction and cleavage of ether bond. 以1,4-二甲氧基苯为原料,经傅氏酰基化反应、黄鸣龙改良还原、醚键的断裂三步反应合成了3个苯烷基对苯二酚。
- With the absence of oxygen, branched alkaline would be produced.Whereas when oxygen was available, some other structures like hemiacetal, ether bond were produced. 其中无氧条件下可能发生侧链烷烃交联而形成支链,在有氧分子参与的情况下,反应进一步进行形成一些架桥结合,诸如半缩醛、醚键等等。
- Because of the unstability of ether bonds, the weight loss of composite increases at high temperature. 由于醚键的高 温不稳定性,使产物在高温下的热失重有所增大。
- Keywords dibenzyl ether bond resol;melt intacalation;nanocomposites; 关键词二苄基醚酚醛树脂;熔融插层;纳米复合材料;
- You need a strong adhesive to bond wood to metal. 需要强力胶才能把木料粘在金属上。
- A whiff of ether will put you out in a few seconds. 一剂乙醚几秒钟后就会使你失去知觉。
- This glue makes a good firm bond. 这种胶水粘得很结实。
- Common tastes form a bond between the two men. 共同的爱好使两人结交为朋友。
- The bond that binds the smugglers together is a rope of sand. 把走私犯联接起来的是条沙做的绳子,一碰就碎。
- Common interests formed a bond between us. 共同的利益把我们联系在一起。
- Identity of interests is the bond that unites them. 利害的一致是把他们联合起来的纽带。
- A unifying bond, especially a marriage bond. 结合一种联结的纽带,尤指婚姻纽带
- Keywords aryl ether;nucleophilic substitution;p-nitrophenoxy ethanol;cleavage of ether bond; 芳香醚;亲核取代;对硝基苯氧乙醇;醚键断裂;
- Today's news goes into the ether and is soon forgotten. 今天的新闻广播听後不久即置於脑後了。
- Nylon seat with hydrophilic hard to age and burst. 尼龙座具亲水性,不易老化破裂。
- It was once believed that light waves traveled through the ether. 人们曾经相信光波在以太中穿过。
- A bond of sympathy developed between members of the group. 该组织成员间产生了志同道合的凝聚力。