The potential correlation between mercury and Chaoite in Alberta sub-bituminous coal was found.
发现了亚烟煤中汞与潮煤的潜在相关关系。
Less dense types, such as sub-bituminous and lignite coal, can contain up to 50% water.
低浓度的煤炭，如亚煤烟煤和褐煤等，其含水量最高可达50%。
By comparing the content of mercury , mineral and ash in each density fractions, the potential correlation between mercury and Chaoite in Alberta sub-bituminous coal was found.
分析了该煤样中汞、矿物及其灰分的相关性，提出了汞赋存于阿尔伯塔次烟煤中一种特殊矿物-赵击石中的可能性。
Wumuchang Area is a local bituminous coal district metamorphized by sub-volcanics in Yiming Coal Field which is located in northeast China.
五牧场区是内蒙东部伊敏褐煤盆地中一个因次火山侵入作用形成的局部的烟煤区。
Coal reserves total over 34 billion tonnes consisting primarily of sub-bituminous coal.
艾伯塔省煤总蕴藏量超过340亿吨，其中以亚烟煤为主。
Coal reserves total over 34 billion tonnes consisting primarily of sub-bituminous coal.
艾伯塔省煤总蕴藏量超过340亿吨，其中以亚烟煤为主。
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