Reasonable drilling angle and technology application for pre-cracking thick-hard roofs before driving gob-side roadways in ultra-thick seams. [PDF]
He F, Wu Y, Wang D, Zhang J, Tao K.
europepmc +1 more source
Permeability of the Coal and Rock Mass with an Artificial Cavity [PDF]
Gapeev, S.N. +2 more
core
Putative Analogs of Pyrite Suns Forming in Proglacial Alaska Mudflats
Abstract Disc‐shaped pyrite suns of the Pennsylvanian age Anna Shale are thought to have formed where pressure restricted pyrite crystal growth to a flattened disc shape during diagenesis at the Anna Shale and the underlying Herrin coal boundary.
Heather L. Fair +2 more
wiley +1 more source
Dynamic simulation and intelligent control technology for cutting head load of coal mine roadheader. [PDF]
Feng J, Zhang Y, He Y, Tian M.
europepmc +1 more source
Shale gas extraction in the UK: a review of hydraulic fracturing [PDF]
Bickle, M. +10 more
core
ABSTRACT This review addresses the processing aspects and integrates in vitro and in vivo findings to highlight the various health benefits of indigenous fermented fish products from different regions of the world. Across Asia, Africa, and Northern Europe, fermented fish holds cultural significance, with each region boasting unique varieties shaped by ...
Banlambhabok Khongthaw +6 more
wiley +1 more source
Mining-induced stress-gas permeability characteristics based on protective layer pressure-relief mining. [PDF]
Wang K +5 more
europepmc +1 more source
Sinking peatlands: Optimal control of subsidence
Abstract Land subsidence threatens the living conditions of about 1.2 billion people worldwide in deltaic regions characterized by soft top soil. Economic activity in these areas requires lowering groundwater levels to keep the land sufficiently dry, which leaves future generations worse off by accelerating subsidence and increasing future costs.
Suphi Sen +2 more
wiley +1 more source
Establishment and Application of a Theoretical Model for Gas Extraction Considering the Influence of Borehole Cross-Section Instability. [PDF]
Zhang X +7 more
europepmc +1 more source

