1. Surrounding rock control theory and longwall mining technology innovation

   • Guofa Wang
   • Yihui Pang

   Research Article Open access 04 December 2017 Pages: 301 - 309

   

2. A study on assessment of hydrocarbon potential of the lignite deposits of Saurashtra basin, Gujarat (Western India)

   • Prakash K. Singh
   • V. K. Singh
   • Neeraj Mathur

   Research Article Open access 30 November 2017 Pages: 310 - 321

   

3. Determination of velocity correction factors for real-time air velocity monitoring in underground mines

   • Lihong Zhou
   • Liming Yuan
   • Anthony Iannacchione

   Research Article Open access 16 November 2017 Pages: 322 - 332

   

4. Study on extraction phenol from coal tar with high flux centrifugal extractor

   • Yuan Zhao
   • Xuefeng Mao
   • Guangyao Wang

   Research Article Open access 02 September 2017 Pages: 333 - 341

   

5. Effect of pH conditions on the depolymerization of Wucaiwan coal by mixed acids/ultrasound method and the product structures and performance

   • Bo Zhang
   • Halidan Maimaiti
   • Ming Wei

   Research Article Open access 01 November 2017 Pages: 342 - 353