查询词典 sulfur ether

A detailed discuss in selection of detector, chromatographic column, method of preconcentration in gas chromatographic determinations, which is the most practical technique among analysis of sulphur-containing compounds, and prospects of analytical testing techniques for volatile organic sulfur in water are presented in this paper.

气相色谱技术是测试该类物质的实用技术，从检测器的选择、色谱柱的选择和预富集方法三个方面详细介绍了采用气相色谱分析水中微量挥发性有机硫化物过程中遇到的主要问题和解决方法，并展望了水中微量挥发性有机硫化物分析测试技术的发展方向。

A detailed discuss in selection of detector, chromatographic column, method of preconcentration in gas chromatographic determinations, which is the most practical technique among analysis of sulphur-containing compounds, and prospects of analytical testing techniques for volatile organic sulfur in water are presented in this paper. Contents

气相色谱技术是测试该类物质的实用技术，从检测器的选择、色谱柱的选择和预富集方法三个方面详细介绍了采用气相色谱分析水中微量挥发性有机硫化物过程中遇到的主要问题和解决方法，并展望了水中微量挥发性有机硫化物分析测试技术的发展方向。

When catalyst was prewetted with low sulphur content prewetting oil after activation, one kind of sulphur was adding into the prewetting oil in order to reduce too much sulfur loss from catalyst surface, and advanced catalyst prewetting and start-up methods were developed for reaching its higher performance.

由于活化后的预润湿过程中，所用润湿液中不含硫，为防止润湿过程中催化剂上硫的流失，因此在催化剂的润湿过程中，同时对催化剂进行硫化，根据以上原因，制定了科学合理的催化剂硫化、润湿及开工投料方案，确保催化剂的优越性能能够得到充分发挥。

The skin to avoid looking frumpy sulfur salicylic acid ointment, straw-hatted 10% and appropriate vitamin A, E, oral drug preparation.

皮肤粗厚者搽10％硫磺水杨酸软膏，并适当口服维生素A、E等药物制剂。

Five kinds of lime stone produced in Liaoning Province for different use purpose had been selected, and test study for their sulfur fixation performace by high temperature calcineration being carried out by using thermoanalysis instrument.

选择辽宁产的不同用途的5种石灰石，利用热分析仪，对其高温煅烧固硫性能进行了试验研究。

The object of this study is to prepare of soy oleic acid from the acidic oil , which was made from soap stock by acidification with sulfur acid, followed by hydrolysis, distillation and emulsification separation.

本研究利用皂脚酸化得到的酸化油进行水解，得到粗制脂肪酸，然后通过蒸馏、乳化分离得到所需的大豆油酸产品。

The object of this study is to prepare of soy oleic acid from the acidic oil , which was made from soap stock by acidification with sulfur acid, followed by hydrolysis, distillation and emulsification separation.

以菜籽油或酸化油为原料，进行了菜籽油及酸化油合成生物柴油工艺中试；得出了较理想的合成工艺条件；利用气相色谱及化学分析法，对生物柴油的燃烧特性进行了分析。

The thesis deals with the basis study of steam coal blending and sulfur absorption theory.

针对燃煤品种多样化和环境保护的特点，进行了配煤理论和固硫技术的基础研究。

Production of environmentally-benign solvent naphtha up to the international quality specification,with low aromatics and low sulfur,will be the trends in this aspect.

由于应用领域的不同，溶剂油的产品规格各有不同，对造成环境严重污染的硫化物和芳烃的含量都有一定的限制。

Production of environmentally-benign solvent naphtha up to the international quality specification,with low aromatics and low sulfur,will be the trends in this aspect.

目前，我国溶剂油质量与国际溶剂油质量差距较大，生产符合国际质量标准的低芳烃和低硫含量的环保型溶剂油是今后发展的方向。

He paid $5,000 for this cupcake.

他我这个纸杯蛋糕花了5000美元。

I mean, if you want to, that is

我的意思是，如果你们想吃的话。