title: [Photometric method of determining the admixtures VNII NP-117 and 117/t in the air of mines].
mesh_terms: D000395:Air Pollutants, Occupational / Q000032:analysis*; D003032:Coal Mining; D006838:Hydrocarbons / Q000032:analysis*; D008899:Mineral Oil / Q000032:analysis*; D010783:Photometry / Q000379:methods
chemical_list: D000395:Air Pollutants, Occupational; D006838:Hydrocarbons; D008899:Mineral Oil
vernacular_title: Fotometricheskiĭ metod opredeleniia prisadok VNII NP-117 i 117/t v shakhtnom vozdukhe.