Перевод: с английского на немецкий

fluosilicate treatment

sodium — A metallic element, atomic no. 11, atomic wt. 22.989768; an alkali metal oxidizing readily in air or water; its salts are found in natural biologic systems and are extensively used in medicine and industry. The s. ion is the most plentiful… … Medical dictionary
nitrogen group element — ▪ chemical elements Introduction any of the chemical elements that constitute Group Va of the periodic table (see Figure >). The group consists of nitrogen (N), phosphorus (P), arsenic (As), antimony (Sb), and bismuth (Bi). The elements share… … Universalium
Opposition to water fluoridation — refers to activism against the fluoridation of public water supplies. The controversy occurs mainly in English speaking countries, as Continental Europe does not practice water fluoridation, although some continental countries fluoridate salt.… … Wikipedia
topaz — topazine /toh peuh zeen , zin/, adj. /toh paz/, n. 1. a mineral, a fluosilicate of aluminum, usually occurring in prismatic orthorhombic crystals of various colors, and used as a gem. 2. citrine (def. 2). 3. either of two South American… … Universalium