Geochemistry, petrology, and palynology of the Princess No. 3 coal, Greenup County, Kentucky Madison M. HoodCortland F. EbleShifeng Dai Research Article Open access 07 February 2020 Pages: 633 - 651
Using yttrium as an indicator to estimate total rare earth element concentration: a case study of anthracite-associated clays from northeastern Pennsylvania Xiaojing YangDaniel KozarSarma V. Pisupati Research Article Open access 17 April 2020 Pages: 652 - 661
Characteristics and geological significance of germanium in Taiyuan coal formation of Huainan Coalfield, Anhui, China Dun WuWenyong ZhangGuangqing Hu Research Article Open access 24 November 2020 Pages: 662 - 675
Stress-induced trend: the clustering feature of coal mine disasters and earthquakes in China Bo Chen Research Article Open access 22 July 2020 Pages: 676 - 692
Study on the critical stress threshold of weakly cemented sandstone damage based on the renormalization group method Zhaoyang SongHongguang JiLihui Sun Research Article Open access 15 April 2020 Pages: 693 - 703
Analysis of fracture mechanism for surrounding rock hole based on water-filled blasting Jun WangJingxuan YangShams Al Faisal Research Article Open access 02 June 2020 Pages: 704 - 713
Parameter inversion and location determination of evolutionary weak layer for open-pit mine slope Zhao HongzeWang DongyuZheng Kaihui Research Article Open access 13 June 2020 Pages: 714 - 724
Mechanical performance study of the retractable pier column after stiffening Yi ZhangXiaoye WangYingying Ding Research Article Open access 04 August 2020 Pages: 725 - 739
Height prediction of water-flowing fracture zone with a genetic-algorithm support-vector-machine method Enke HouQiang WenJiangbo Wei Research Article Open access 14 October 2020 Pages: 740 - 751
Atmospheric disturbance on the gas explosion in closed fire zone Yulong DuanShuo WangKai Zheng Research Article Open access 05 February 2020 Pages: 752 - 765
Relationship between proximate analysis parameters and combustion behaviour of high ash Indian coal Subhajit AichDibyajyoti BeheraSumantra Bhattacharya Research Article Open access 27 March 2020 Pages: 766 - 777
Effect of coal mine organic aerosol on the methane/air lower explosive limit S. V. ValiulinA. A. OnischukS. N. Dubtsov Research Article Open access 28 March 2020 Pages: 778 - 786
Effect of ultrasonic irradiation on particle size, reagents consumption, and feed ash content in coal flotation Hossein EbrahimiMohammad Karamoozian Research Article Open access 21 March 2020 Pages: 787 - 795
Characterization of bio-coal briquettes blended from low quality coal and biomass waste treated by Garant® bio-activator and its application for fuel combustion Anggoro Tri MursitoWidodoDanang Nor Arifin Research Article Open access 09 April 2020 Pages: 796 - 806
Co-pyrolysis of South African bituminous coal and Scenedesmus microalgae: Kinetics and synergistic effects study Bothwell NyoniSifundo DumaShanganyane P. Hlangothi Research Article Open access 21 March 2020 Pages: 807 - 815
Evolution in the formation of graphene nanocapsules from coal tar pitch D. M. Puente-SillerA. E. García-CastilloA. Perea-Garduño Research Article Open access 05 April 2020 Pages: 816 - 824
Hydrochemical characteristics and water quality evaluation of shallow groundwater in Suxian mining area, Huaibei coalfield, China Hao YuHerong GuiYaru Zhang Research Article Open access 26 September 2020 Pages: 825 - 835