Results 301 to 310 of about 140,868 (311)

Efficiency developments in phosphate rock mining over the last three decades

Resources, Conservation and Recycling, 2015
Gerald Steiner, Bernhard Geissler, Ingrid Watson   +2 more
exaly  

Modelling of critical fragment size and rock breaking efficiency evaluation in drilling process

Powder Technology
Haoteng Wang, Mingming He, Tan Liuxin, Pu Cheng, Xiaoliang Yao, Bo Zhang, Xudong Ma, Qin Zhao   +7 more
openaire   +1 more source

Efficiency performance of the world's leading corporations in phosphate rock mining

Resources, Conservation and Recycling, 2015
Bernhard Geissler, Michael C Mew, Olaf Weber   +2 more
exaly  

Evaluation of cutting efficiency during TBM disc cutter excavation within a Korean granitic rock using linear-cutting-machine testing and photogrammetric measurement

Tunnelling and Underground Space Technology, 2013
Jung-Woo Cho, Seokwon Jeon, Soo-Ho Chang
exaly  

Estimation of optimal drilling efficiency and rock strength by using controllable drilling parameters in rotary non-percussive drilling

Journal of Petroleum Science and Engineering, 2020
exaly  

Influence of Rock Joints on Rock-Breaking Efficiency of TBM with a Double-Edge Disc Cutter

Weimeng Zhang, Zhiyu Bai, Bin Shao, Chao Lu, Bo Wang, Qiushi Liu, Zhuangzhuang Guo, Fanmeng Kong   +7 more
openaire   +1 more source

Effect of rock fragments content on water consumption, biomass and water-use efficiency of plants under different water conditions

Ecological Engineering, 2016
exaly  

The percussive process and energy transfer efficiency of percussive drilling with consideration of rock damage

International Journal of Rock Mechanics and Minings Sciences, 2019
exaly  

Optimizing disc cutter selection and tunnelling parameters: Trade-off between rock-breaking efficiency and cutter wear

Wear
Jiuqi Wu, Xiaowei Xu, Xiang Shen, Jun Huang, Dong Su, Xiangsheng Chen, Jing Yang   +6 more
openaire   +1 more source

Impacts of CO2-brine-rock interaction on sealing efficiency of sand caprock: A case study of Shihezi formation in Ordos basin

Advances in Geo-Energy Research, 2018
exaly