(redirected from Coal Mine Roof Rating)
CMRRCommon Mode Rejection Ratio
CMRRCenter for Magnetic Recording Research (University of California, San Diego)
CMRRChemistry and Metallurgy Research Replacement (Los Alamos National Laboratory)
CMRRCenter for Magnetic Resonance Research (various universities)
CMRRCommitted Monthly Recurring Revenue (prediction metric)
CMRRCentre Mémoire de Ressource et de Recherche (French: Memory Resource and Research Center; est. 2005)
CMRRCoal Mine Roof Rating (mining classification)
CMRRCertified Mail, Return Receipt (USPS)
CMRRCatskill Mountain Railroad
CMRRCascaded Microring Resonator
References in periodicals archive ?
Molinda, "The coal mine roof rating (CMRR)--a decade of experience," International Journal of Coal Geology, vol.
Other major topics in this fully-illustrated volume include comparison of active and passive roof bolting, entry stability under various types of roof supports, a seismic method to predict stress distribution in pillars, and coal mine roof rating and pillar design.