Поиск

Fluorine Фтор F 9 18,998

fluorine ['fluəri:n] ftor фтор

adding in pipe water of joints of fluorine for the prevention of a caries of dents in biogeochemical provinces, where a level of fluorine below admissible levels.

an increase of temperature and warmth of the planet's climate caused by a continually growing proportion of carbon dioxide and fluorine – chlorine hydrocarbon compounds i

illness of people observed on particular territory and conditioned by natural and social circumstances: by the resistant natural centers of zymotic illnesses, biogeochemi

fluorine['flɔ:rin] фтор: даврий жадвалнинг VII гуруҳига мансуб, т.р. 9, ат.м. 18,99 галоген; оч-сариқ, ҳидли газ. 1886-йили аниқланган, ердаги миқдори 6,25·10⁻²%. Табиатд