This paper presents the results of a benchmarking study on face support practice in seismically active mines in Australia and Canada. The choice of ground support strategies is based on the anticipated strainburst hazard as well as corporate, legislative, and operational requirements. Although mines ...
9 RegisterLog in Sign up with one click: Facebook Twitter Google Share on Facebook active mine Acronyms A mine actuated by the reflection from a target of a signal emitted by the mine. Dictionary of Military and Associated Terms. US Department of Defense 2005. ...
Goodenough JB (1983) In: Wheat TA, Ahmad A, Kuriakose AK (eds) Progress in solid electrolytes. Energy, Mines and Resources, Canada, pp 53–76 Google Scholar Nanjundaswamy KS, Padhi AK, Goodenough JB, Okada S, Ohtsuka H, Arai H, Yamaki J (1996) Solid State Ionics 92:1–10 Artic...
Zippeite is formed as a secondary mineral and as an efflorescent crust in uranium mines. Efflorescent means it forms on the surface of a rock by the evaporation of water when in contact with the dry air of the mine. Thus, some zippeite specimens are the result of human intervention (alb...
aThe Navy uses sonar to track enemy submarines, torpedoes, mines and other potential threats underwater. Scientists say the sound may disrupt marine animals' feeding patterns and scare some species of whales, causing them to surface rapidly. [translate] aGet away for me 正在翻译,请等待... [...
Consequently, the province is heavily developed with mines, industries, commerce, transport networks and residential areas. As a result, only a few remaining wetlands are ecologically intact (Govender-Ragubeer et al., 2014). Many have been destroyed, and those that remain, have reached a ...
Agnico Eagle Mines won four awards at last year’s IR Magazine Awards in Canada, following on from winning five awards in 2019. Brian Christie, vice president of investor relations, acknowledges that the company has had ‘a very active IR program for 15
Bonnichsen B, Christiansen RL, Morgan LA, Moye FJ, Hackett WR, Leeman WP, Honjo N, Jenks MD, Godchaux MM (1989) Excursion 4A: Silicic rocks in the Snake River Plain-Yellowstone plateau province. New Mex Bureau Mines Min Res and New Mex Inst Min Techn Memoir 47: 135–153 ...
Adam and Eve in the Garden of Eden EstimateUSD 200,000 – USD 300,000 Price realisedUSD 845,000 Lot 13 David Teniers II (Antwerp 1610-1690 Brussels) A boor and a young woman drinking in a tavern EstimateUSD 200,000 – USD 300,000 ...
The Neoproterozoic Earth was punctuated by two low-latitude Snowball Earth glaciations. Models permit oceans with either total ice cover or substantial areas of open water. Total ice cover would make an anoxic ocean likely, and would be a formidable barr