查询词典 sulfur ether

This paper studied the synthesis and models about the etherification reaction from isoamylene to the tert-amyl methyl ether synthesis.

分析了异戊烯醚化生成甲基叔戊基醚的反应机理及相关的反应动力学模型，以甲醇和乙烯裂解碳五为原料进行醚化反应，分别求得R-E模型、L-H模型的动力学参数。

In pilot test of 150 t/a of synthesizing ethylene glycol tbutyl ether from isobutene and ethylene glycol, reaction temperature, catalyst life, reaction heat draw and affection of LHSV on etherization are investigated.

通过异丁烯与乙二醇合成乙二醇特丁醚 1 50 t/a中间试验，考察了反应温度、液体空速对醚化反应的影响及反应器的撤热情况，考察了催化剂的寿命，提出精制各塔操作参数和产品质量指

A homogenized liver sample was hydrolyzed with β-glucuronidase and the hydrolysate was extracted with ethyl ether .

迈克耳孙-莫雷实验的否定结果使人想到，以太的效应是不能检查到的。

The optimal technology condition for Sb extraction from InCl_3 solution with high Sb content by ethyl ether is investigated.

探索用乙醚作为萃取剂从富锑InCl3溶液中萃取锑的最佳工艺条件。

Then find out that ethyl ether can absorb the UV-light, the wavelength of that is lower than 304 nm, and can produce strong fluorescence.

发现，乙醚能吸收波长小于304 nm的紫外光，产生强的荧光；乙醚的荧光峰是波长306 nm至345 nm范围的宽谱峰，峰值波长在317 nm左右。

This pigment was extracted with 1%NaOH, then was extracted for 3 times with petroleum ether and ethyl acetate.

结果表明，板栗壳色素易溶于碱性水溶液，不溶或难溶于非极性溶剂。

The chlorination products were extracted by ethyl ether and isolated further through times of silica column chromatography.

研究建立了饮用水中TCMCD富集分离、定性定量的分析方法，并对一些水厂的水样进行了检测，最高浓度可达80.1ng/L。

Key words:ether,ethyl;plants,medicinal;mice

关键词］醇，乙；植物，药用；小鼠

Triethylamine and ethyl ether were freshly distilled in nitrogen over potassium before use.

对于 三乙胺和乙醚的蒸馏提纯，是在氮气的保护下进行操作的，烧瓶中，加入乙醚，用氮气保护，置换体系中的空气，然后加入K，回流。

The hydrolysis was extracted with ethyl ether and concentrated, analyzed and determined with GC/MS.

为了研究不同的加工工艺对茶鲜叶香气和糖苷类香气前体的的影响，利用槠叶种群体的一芽二、三叶鲜叶为原料，按照传统的加工工艺分别制成红茶、绿茶，应用SDE提取、GC/MS对香气组成进行分析，同时应用溶剂提取、双相酶解和GC/MS对糖苷类香气前体物质进行系统分析。

In other research, chondroitin is being investigated for use in several other conditions.

在其它研究，软骨素被调查用於几个其它情况。

They would make fun of him for having to work.

他们拿他的工作来开玩笑。