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pro vyhledávání: '"Westman, Erik Christian."'
Autor:
Westman, Erik Christian.
Publikováno v:
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Thesis (Ph. D.)--Virginia Polytechnic Institute and State University, 1999.
Paper copy printed by UMI (University Microfilms International), 1999. Includes bibliographical references (p. 94-99). Original electronic version available via Internet
Paper copy printed by UMI (University Microfilms International), 1999. Includes bibliographical references (p. 94-99). Original electronic version available via Internet
Externí odkaz:
http://scholar.lib.vt.edu/theses/available/etd-040899-151628
Autor:
Ji, Bin
Many literatures have been published recently regarding the recovery of REEs from coal-related materials, such as coal waste, acid mine drainage, and coal combustion ash. The recovery of REEs from coal waste has been investigated by the author in rec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______2485::2087c1b27abeadacaa0e019a49dbcaa9
https://hdl.handle.net/10919/113161
https://hdl.handle.net/10919/113161
Autor:
Stables, Brandon Shane
Standing support is often used in conjunction with underground retreat mining. Knowledge of the load-displacement behavior of a standing support and loading induced by the mine opening is critical proper support selection. The NIOSH STOP database con
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______2485::01adb78f1e282cf2dcf55fd706cb8919
https://hdl.handle.net/10919/106793
https://hdl.handle.net/10919/106793