[A study of the dispersion composition of ore dust].
D004391:Dust / Q000032:analysis*; D008853:Microscopy; D008854:Microscopy, Electron; D008903:Minerals / Q000032:analysis*; D008906:Mining
D004391:Dust; D008903:Minerals
Issledovanie dispersnogo sostava rudnichnoĭ pyli.