查询词典 ether

The paper reviewed the synthesis and production of the surfactant - dodecyl diphenyl ether sodium disulfonate .

介绍了十二烷基二苯醚二磺酸钠的合成及生产情况。

Dissolubility: It almost does not dissolve in ethanol, ethyl ether, chloroform.

溶解性能：几乎不溶于乙醇、乙醚、氯仿。

The combined ether layers were treated with sodium dithionite and washed with water (10 mL).

合并醚层治疗连二亚硫酸钠和水洗（ 10毫升）。

The combined ether layers were treated with sodium dithionite and washed with water (3 10 mL).

合并醚层治疗钠连二和水洗。

The reaction of fluoroalkyl iodides with ethyl vinyl ether and amines in the presence of sodium dithionite was studied.

研究了在保险粉存在下，氟烷基碘(1)与乙烯基乙醚和伯胺或仲胺(2)的反应。

These specimens often can be cleaned in alcohol, ether, or dry-cleaning compounds.

这些标本中，往往可以清理醇，醚，或干洗洗衣机化合物。

Electropolar solvent such as THF may destroy the polyetherimide layer,while non-electropolar solvent such as petroleum ether cannot solve vinyl acetic acid cobalt.

极性溶剂如四氢呋喃会溶解PEI层，而非极性溶剂如石油醚又不能溶解丁烯酸钴。

Looking back over the development of physics we see that the ether, soon after its birth, became the enfant terrible of the family of physical substances.

回顾一下物理学的发展，我们看到以太自出生以来便是具体物质这个家族中的一个顽童。

At the meantime, we synthesized the chiral spiroketal enol ether steroselectively and their absolute configuration were determined.

我们还对螺环缩酮烯醇醚类化合物的立体选择性形成规律进行了探索，并取得了积极的结果。

Systematic studies on the Hetero-Diels-Alder reaction between the o-Quinone methidesand different enol ether dienophiles for the construction of the spiroketal skeleton was described.

较系统地研究了邻甲基苯醌与不同的烯醇醚亲双烯体之间的Hetero-Diels-Alder反应对螺环缩酮结构的构筑及其应用。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。