2A review of the day-ahead natural gas consumption in Denmark:starting point towards forecasting accuracy improvementOrhan Altu? Karabiber，George XydisREVIEWS1-22
3Analysis of solid sorbents for control and removal processes for elemental mercury from gas streams:a reviewPiotr Kunecki，Dorota Czarna-Juszkiewicz，Magdalena WdowinREVIEWS23-46
4Influence and sensitivity analysis of thermal parameters on temperature field distribution of active thermal insulated roadway in high temperature mineWeijing Yao，Jianyong Pang，Qinyong Ma，Happiness LyimoRESEARCH ARTICLES47-63
5Studying the performance of fully encapsulated rock bolts with modified structural elementsJianhang Chen，Hongbao Zhao，Fulian He，Junwen Zhang，Kangming TaoRESEARCH ARTICLES64-76
6Fracture behavior and acoustic emission characteristics of sandstone samples with inclined precracksLitong Dou，Ke Yang，Xiaolou ChiRESEARCH ARTICLES77-87
7Impact of coal mining on groundwater of Luohe Formation in Binchang mining areaKui Sun，Limin Fan，Yucheng Xia，Cheng Li，Jianping Chen，Shuai Gao，Boyun Wu，Jie Peng，Yiwei JiRESEARCH ARTICLES88-102
8Negative-pressure pneumatic separator:a new solution for hard-coal beneficiationKamil Stańczyk，Andrzej Bajerski，Marian J.??cznyRESEARCH ARTICLES103-123
9Predictions of elemental composition of coal and biomass from their proximate analyses using ANFIS,ANN and MLRAbiodun Ismail Lawal，Adeyemi Emman Aladejare，Moshood Onifade，Samson Bada，Musa Adebayo IdrisRESEARCH ARTICLES124-140
10Intensification of bituminous coal and lignite oxidation by copper-based activating additivesK.B.Larionov，I.V.Mishakov，K.V.Slyusarskiy，A.A.VedyaginRESEARCH ARTICLES141-153
11Understanding of mineral change mechanisms in coal mine groundwater reservoir and their influences on effluent water quality:a experimental studyKai Zhang，Huifang Li，Jiaming Han，Binbin Jiang，Ju GaoRESEARCH ARTICLES154-167
12Transformation of minerals at the boundary of magma-coal contact zone:case study from Wolonghu Coal Mine,Huaibei Coalfield,ChinaXing Chen，Liugen Zheng，Yalin Jiang，Chunlu JiangRESEARCH ARTICLES168-175
