[1]Analytical Chemistry Division, CSIR - NationalMetallurgical Laboratory, Jamshedpur, Jharkhand 831007,India;
[2]Department of Metallurgical and Materials Engineering,National Institute of Technology, Jamshedpur,Jharkhand 831014, India;
[3]R&D, Tata Steel Ltd, Jamshedpur, Jharkhand 831007, India;
灰熔融性温度; 矿物相变; 煤层区; 种类分布; 变形行为; 煤燃烧过程; X射线衍射分析; 煤田;