结果表明，煤中有机硫的存在形式是多样的，这主要取决于成煤母质、沉积环境和泥炭堆积后的成岩变化。
The research shows that the versatile occurrence of organic sulfur are determined by the pre coal material, sedimentary environment, and catagenesis.
对比世界上20余个火成碳酸岩地区的特征后发现，白云鄂博地区完全具备国外火成碳酸岩区的地质特征。
A comparative study on more than 20 areas of igneous carbonatites in the world suggests that the Bayan Obo region is identical to the others in geology.
如何防止超大范围断层破碎带内松散泥质岩体渗水泥化则是成巷后的最大技术问题；
Once the roadway is formed, it is important to control large-scale water seepage caused by argillitization of broken loose mudstone and keep long-term stability of roadway.
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