title: [Phase contrast microscopic method for determining quartz in aerosols on FPP-15 filters].
mesh_terms: D000336:Aerosols; D008851:Micropore Filters; D008858:Microscopy, Phase-Contrast / Q000379:methods*; D010316:Particle Size; D011791:Quartz / Q000032:analysis*; D012822:Silicon Dioxide / Q000032:analysis*
chemical_list: D000336:Aerosols; D011791:Quartz; D012822:Silicon Dioxide
vernacular_title: Mikroskopicheskiĭ metod fazovogo kontrasta dlia opredeleniia kvartsa v aérozoliakh na fil'trakh FPP-15