Study on petro⁃ logical characteristics and Paleo-geographic environment in Huji⁃ ahe...

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Characteristics of trace elements in coal and comparison of coal-forming environment in Shizuishan Area

R HAO, W HUANG, B JIU - COAL SCIENCE AND TECHNOLOGY, 2022 - mtkxjs.com.cn
In order to clearly understand the characteristics of trace elements and coal-forming
environment characteristics of Jurassic coal and Carboniferous-Permian coal in Shizuishan …
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石嘴山地区煤中微量元素特征及成煤环境对比

郝睿林， 黄文辉， 久博 - 煤炭科学技术, 2022 - mtkxjs.com.cn
为清晰认识石嘴山地区侏罗系煤与石炭-二叠系煤的微量元素和成煤环境特征,
并对煤中微量元素特征差异提出解释. 取区内汝箕沟侏罗系煤及石炭井石炭-二叠系煤为样品 …
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鲁西南张湾井田 3 煤层煤质特征及成煤环境分析.

罗文**， 马祥县， 唐璐璐， 罗一凡… - Coal Science & …, 2022 - search.ebscohost.com
为了解张湾井田3 煤层的基本特征和探讨其成煤环境, 运用光学显微镜及显微光度计和煤质分析
等技术方法, 对采自张湾井田3 煤层的114 件煤样开展了煤的煤岩学分析, 工业分析和元素分析 …
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