- lead fluosilicate
- 氟硅酸铅
English-Chinese metallurgy dictionary. 2014.
English-Chinese metallurgy dictionary. 2014.
Bismuth — (pronEng|ˈbɪzməθ) is a chemical element that has the symbol Bi and atomic number 83. This heavy, brittle, white crystalline trivalent poor metal has a pink tinge and chemically resembles arsenic and antimony. Of all the metals, it is the most… … Wikipedia
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
betts' process — ˈbets(ə̇z) noun Usage: usually capitalized B Etymology: after Anson G. Betts b1876 American metallurgist : an electrolytic process for refining lead, the electrolyte being a solution of lead fluosilicate PbSiF6 and fluosilicic acid … Useful english dictionary
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
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