المؤلفون: LI Yanhe, ZHAI Cheng, DING Xiong

المصدر: Meikuang Anquan, Vol 53, Iss 10, Pp 191-196 (2022)

مصطلحات موضوعية: gas extraction in dynamic pressure zone, mining face, crossing borehole, stress distribution, pressure-relief gas, numerical simulation, Mining engineering. Metallurgy, TN1-997

وصف الملف: electronic resource

Relation: https://www.mkaqzz.com/cn/article/id/8152; https://doaj.org/toc/1003-496X

URL الوصول: https://doaj.org/article/23207c49a67749c4b8ec3083640f6fd0

المؤلفون: Wu Xiao, Ke Li, Chuanjie Zhu, Ziwen Li, Baiquan Lin, Cong Ma, Mingkai Si

المصدر: Sustainability; Volume 15; Issue 3; Pages: 2485

مصطلحات موضوعية: crossing borehole, borehole inclination angle, borehole diameter, drainage effective radius, residual gas pressure

جغرافية الموضوع: agris

وصف الملف: application/pdf

Relation: Hazards and Sustainability; https://dx.doi.org/10.3390/su15032485

الاتاحة: https://doi.org/10.3390/su15032485

المؤلفون: GAO Xiaoliang, ZHANG Xianzhen, LU Qianhai

المصدر: Gong-kuang zidonghua, Vol 45, Iss 8, Pp 88-91 (2019)

مصطلحات موضوعية: coal mining, crossing borehole, gas extraction, mechanical cavity drill bit while drilling, cavity drilling, Mining engineering. Metallurgy, TN1-997

وصف الملف: electronic resource

Relation: https://doaj.org/toc/1671-251X

URL الوصول: https://doaj.org/article/ef1e8bfba9ba4f2facc6b0fe2b0764cf

المؤلفون: CHEN Xinrun, HOU Tiejun, ZHAO Yunfeng

المصدر: Gong-kuang zidonghua, Vol 40, Iss 8, Pp 85-87 (2014)

مصطلحات موضوعية: steep thick seam, gas overrunning, goaf, gas drainage with separated sources, crossing borehole, Mining engineering. Metallurgy, TN1-997

وصف الملف: electronic resource

Relation: https://doaj.org/toc/1671-251X

URL الوصول: https://doaj.org/article/f83197b426284537b5bae3cda50c49a0