煤中微量元素的研究意义重大和广泛。
The research of trace elements in coal has great of significance.
煤中微量元素是世界洁净煤研究的热点；
The study of trace elements was focus of clean coal technology in the world.
煤中微量元素的开发利用日益受到重视。
It is more and more give emphasis to development and utilize the trace chemical element of coal in our country.
煤中微量元素一直是煤田地质学和煤质研究的重要组成部分。
The investigation to trace elements in coal has been of importance to coal geology and coal property for decades.
由于分析样品分布不均和采用的测试方法各不相同，本文的数据还不能准确地代表中国煤中微量元素的平均丰度值。
According to the strata about the trace elements in coal of China, the different background value of trace elements in different parts of China wered rew out.
微量元素在煤中的赋存形态和锅炉运行工况的变化影响微量元素在底渣和电除尘器飞灰中的富集。
The existing state of trace element in coal and variation of operation conditions have great effects on the enrichment of trace element in fly ash and bottom slag.
元素地球化学特征还表明，黑岱沟煤及煤层夹矸中微量元素来源于上地壳。
Which also shows that the trace elements in Heidaigou coal and its dirt are from the upper crust.
由于复杂的成煤过程，煤炭中微量元素呈现独特的集散规律。
Owing to complex coal-forming process, the trace elements in coal present unique accumulation and scatter laws.
对煤燃烧过程中微量元素释放的国内外研究现状进行了综述。
In this paper, a research overview of trace elements in coal combustion process is presented from several important aspects.
对煤燃烧过程中微量元素释放的国内外研究现状进行了综述。
In this paper, a research overview of trace elements in coal combustion process is presented from several important aspects.
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