Fisher carl integrated sciences (1 resultados)
Más imágenesMicroseismic Roof Fall Warning System Development: Field Trials and Commercial Prototype Fabrication
Editorial: US Dept. of the Interior: Bureau of Mines/Denver Mining Research Center, Denver, CO 1980
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Librería: Xochi's Bookstore & Gallery, truth or consequences, NM, Estados Unidos de AmericaXochi's Bookstore & Gallery
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Paper Back. Condición: Near Fine. No Jacket. 194pp.; SC beige w/blk.(no title on spine); clean,tight pgs. "A microseismic roof fall warning system was field tested in Western and Eastern coal mines in the US to better define the capabilities & limitations of the microseismic method in predicting roof fall. Based on the results &… experience obtained during field testing, a commercial prototype microseismic roof fall warning system was designed and constructed." photos,graphs,etc. Final Report - Contract No. H0272009.