Results 151 to 160 of about 2,891 (238)

Recovery of Methane from the Abandoned Golden Eagle Mine Property [PDF]

, 1999
The abandoned Golden Eagle underground coal mine in Colorado contains gassy coals from which Stroud Oil Properties, Inc. (Stroud) has been recovering gas since 1996.
Bibler, Carol, Hupp, Kenton L., Pilcher, Raymond C.   +2 more
core   +1 more source

Investigation into the Fracture Evolution Law of Overlying Strata Roof in Shallowly Buried “Three-Soft” Coal Seam Fully Mechanized Mining Faces and Its Influence on the Feasibility of Gob-Side Entry Retaining

Applied Sciences
To address the feasibility of gob-side entry retaining in the shallow-buried three-soft coal seam fully mechanized mining face (SB-TSCS FMMF) of Xindeng (Zhengzhou, China) Coal Industry, we established a mechanical model of post-mining roof–coal-rock ...
Guoyou Hu, Yongkang Yang, Shuai Li, Konghao Zhu   +3 more
doaj   +1 more source

Scavenging Poultry for Poverty Alleviation: A review of experiences with a focus on Bangladesh [PDF]

Report prepared for International Livestock Research Institute.Food Security and Poverty, Livestock Production/Industries,
Islam, S.M. Fakhrul, Jabbar, Mohammad A.
core   +1 more source

Analysis on the supporting technology of the gob-side entry retaining [PDF]

Proceedings of the 2015 International Conference on Mechatronics, Electronic, Industrial and Control Engineering, 2015
openaire   +1 more source

D.I.Y. Too [PDF]

, 2015
This book celebrates all things DIY in contemporary theatre, performance, and Live Art making. It includes contributions from some of the most prominent and prolific independent artists, critics and producers working within the discipline.
Daniels, Robert
core   +1 more source

Theory and practice of integrated coal production and gas extraction [PDF]

, 2015
Liang Yuan
core   +1 more source

Sensor And Method For Detecting A Superstrate [PDF]

, 2006
Method and apparatus are provided for determining a superstrate on or near a sensor, e.g., for detecting the presence of an ice superstrate on an airplane wing or a road.
Arndt, G. Dickey, Cari, James R., Fink, Patrick W., Ngo, Phong H., Siekierski, James D.   +4 more
core   +1 more source

Experimental research on overlying strata movement and fracture evolution in pillarless stress-relief mining [PDF]

, 2015

core   +1 more source

Application of trajectory optimization techniques to upper atmosphere sampling flights using the F4-C Phantom aircraft [PDF]

Altitude potential of an off-the-shelf F4-C aircraft is examined. It is shown that the standard F4-C has a maximum altitude capability in the region from 85000 to 95000 ft, depending on the minimum dynamic pressures deemed acceptable for adequate flight ...
Hague, D. S., Merz, A. W.
core   +1 more source

Research on Grouted Steel Pipe Supports Roof Cutting and Gob‐Side Entry Retaining Support Technology for Fully‐Mechanized Caving Face

Energy Science & Engineering
Aiming at the roof control challenges of gob‐side entry retaining in fully mechanized top‐coal caving faces, traditional concrete‐filled steel tube (CFST) support technology exhibits limitations such as slow strength development and complex construction ...
Xiaojun Li, Bangbang Mu, Huaizhen Li, Ruifu Yuan   +3 more
doaj   +1 more source