S Iu Skriabin

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Work conditions were analysed in workers engaged into realization of the new coal extracting line technology producing 5250 m3 of coal per hr in KATEK open-cast mine. Hygienic standards appeared to be followed mainly on the constant working places and in the mining machine cabs, but noise dust parameters were not evaluated in the transloaders, microclimate(More)
Studies of drilling and blasting method of copper and nickel ores extraction at underground Transpolar mines proved that the highest concentrations of dust appeared during dry drilling of vertical blast holes, work of scraper windlass, fragmentation of out-size blocks, preparation of concrete mixture. Presence of aggressive metals, especially nickel, in the(More)
Experiments on acute and chronic inhalation of copper and nickel sulfide ore dust proved that the dust of rich ore, if compared with that of copper-bearing and impregnated ore, induces more marked toxic effects. Intratracheal administration of all the dust types, 50 mg, and inhalation of the high concentrations (102 mg/cu m in average) induced fibrogenic(More)
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