Firstly, the analysis methods of various forms of sulfur in coal were studied.
首先，研究了煤中各种形态硫含量的分析测定方法。
The distribution and present forms of sulfur in the distillates from high-sulfur crude oils were overviewed.
综述了几种含硫原油的馏分油中硫的分布形态，以及硫化物的定性分析结果。
The distribution and present forms of sulfur in the distillates from high-sulfur crude oils were overviewed. The results of qualitative analysis of the sulfur compound were discussed.
综述了几种含硫原油的馏分油中硫的分布形态，以及硫化物的定性分析结果。
Miners tread down into the crater to collect blocks of bright-yellow sulfur, which forms when gaseous and molten sulfur emerges from fumaroles -- volcanic vents -- and hardens.
从火山口喷发出的硫磺蒸汽硬化凝结后，就形成了那些闪着黄色亮光的硫磺岩块，矿工们小心翼翼的探到火山坑底，冒着生命危险搜集这些黄色亮块。
The study also noted that there was a large difference in particulate matter between the north and south, but not in other forms of air pollution such as sulfur dioxide and nitrous oxide.
该研究还指出，南北之间在颗粒物上有很大的差异，但在其他形式的空气污染，如二氧化硫和氮氧化物上并没有这种差异。
This paper summarized the distribution of sulfur and its various existing forms in coal in China and the regularity of distribution of sulfur content in coal with its size is studied.
介绍了我国煤中硫的含量分布及硫的存在形式，并研究了含硫量随粒径的分布规律。
Secondly, effects of sulfur in different forms on the minerals composition of cement clinker at different temperature are researched.
其次分析了不同形式的硫在不同温度下，对熟料矿物组成的影响。
This paper summarized the distribution of sulfur and its vdrious existing forms in coal in China and the regularity of distribution of sulfur content in coal with its size is studied.
介绍了我国煤中疏的含量分布及硫的存在形式，并研究了含硫量随粒径的分布规律。
The effect of mineral on conversion of coal and sulfur with different forms in Yima during pyrolysis and hydropyrolysis in a fixed bed reactor was studied.
在加压固定床上研究了矿物质对义马煤热解和加氢热解产物分布规律以及不同形态硫转化的影响。
These systems can also be designed with technology to clean up sulfur, soot, and other forms of air pollution.
这套系统还能被设计用于清除硫磺、炭黑及其他空气污染物。
The sulfur realease is affected by many factors because of the different sulfur forms in coal and different practical operation conditions .
由于煤中硫赋存形态和实际操作条件的不同，硫的析出受多种因素的影响。
The sulfur realease is affected by many factors because of the different sulfur forms in coal and different practical operation conditions .
由于煤中硫赋存形态和实际操作条件的不同，硫的析出受多种因素的影响。
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