接触变质煤相关论文
煤层因岩浆侵入而被局部吞蚀和焦化,从而生成大量的接触变质煤。本文样品采自宁夏煤田,由于受到高温作用,样品表面的烷基侧链减少,......
Combustion metamorphic (pyrometamorphic) complexes produced by prehistoric natural coal fires are widespread in Central ......
Combustion metamorphic (pyrometamorphic) complexes produced by prehistoric natural coal fires are widespread in Central ......
运用电感耦合等离子质谱（ICP-MS）、X射线荧光光谱（XRF）、离子选择电极（ISE）、显微镜光度计和煤化学等方法，研究安徽淮北朔里煤矿5号煤层与......
我国接触变质煤分布较广,有关接触变质煤的研究日益受到重视。本文应用化学分析,射频低温灰化和X射线衍射分析等技术,研究了大同煤......
<正> Combustion metamorphic（pyrometamorphic）complexes produced by prehistoric natural coal fires are widespread inCentral ......
为了探讨岩浆侵入对煤结构参数的演化规律，对淮南煤田朱集区13—4钻孔内岩浆接触带两侧的4个煤样品进行了X射线衍射和激光共焦显微......
