[Determination of silica in coal and rock dust].
Fedorova
N E
NE
Lagunov
S I
SI
D003031:Coal / Q000032:analysis*; D004391:Dust / Q000032:analysis*; D012822:Silicon Dioxide / Q000032:analysis*
D003031:Coal; D004391:Dust; D012822:Silicon Dioxide
Opredelenie dvuokisi kremniia v ugol'noĭ i porodnoĭ pyli.