查询词典 ether

To synthesize aryl pyrimidines by taking benzene, methyl benzene ,acetic ether,1,2-dichloroethane as solvent,the yield and purity of the product are high by taking methyl benzene as solvent.

分别选用苯、甲苯、乙酸乙酯、二氯乙烷作为溶剂合成桂皮酰哌啶，结果表明甲苯作为溶剂时产品纯度高，收率高，可用于大规模生产。

Objective: To establish a for determination of methyl tert-butyl ether in drinking water by purge-trap GC-MS.

目的：建立适用于水中甲基叔丁基醚的吹扫捕集GC-MS测定方法。

Objective: To establish a GC/MS analytical method for methyl tert-butyl ether in the workplace air.

目的：建立工作场所空气中甲基叔丁基醚测定方法。

The methyl tertiary-butyl ether is a kind of gasoline additive, have been used since the beginning of the eighties of the 20th century, still widely used in many countries now.

甲基叔丁基醚是一种20世纪80年代初开始广泛使用的汽油添加剂，现仍在许多国家得到广泛的应用。

The method is suitable for analyzing the methyl tert-butyl ether in drinking water.

此方法能够用于分析水中甲基叔丁基醚。

This product is a granular carbon/organoclay media for removal of methyl tertiary butyl ether.

本产品是颗粒碳或有机膨润土介质，用于清除甲基叔丁基醚。

Objective To study the kidney toxicity and toxic mechanism induced by methyl tertiary-butyl ether lead free gasoline.

目的 了解甲基叔丁基醚无铅汽油对肾脏的毒性及毒作用机制。

Methyl vinyl ether is a useful intermediate and monomer.

乙烯基甲醚是一种重要的有机合成中间体及高聚物的单体。

Codeine has the same structure as morphine, but the phenol group is masked as a methyl ether.

可待因也有和吗啡相同的结构，但是酚基被甲基醚屏蔽了，结果。

Harmful substance such as formaldehyde and methyl ether.

有害物质的低廉劣质染料织品应绝对不能考虑。

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。