Nr 1/2017 (529)
MIAG 1 (529)_2017 JERZY MRÓZ, DARIUSZ FELKA, ADAM BROJA, MARCIN MAŁACHOWSKI Devices for measuring ventilation parameters and methane concentration as well as concept of complex monitoring of methane hazard in longwall area This paper discusses the issue of the methane hazard occurring in the longwall areas of hard coal deep mines along with ways of […]
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