hard zinc
1Hard water — is the type of water that has high mineral content (in contrast with soft water ). Hard water minerals primarily consist of calcium (Ca2+), and magnesium (Mg2+) metal cations, and sometimes other dissolved compounds such as bicarbonates and… …
2Zinc — This article is about the metallic element. For other uses, see Zinc (disambiguation). copper ← zinc → gallium ↑ Zn ↓ Cd …
3Hard disc — Disque dur Pour les articles homonymes, voir Disque. Disque dur …
4Hard disc drive — Disque dur Pour les articles homonymes, voir Disque. Disque dur …
5Hard drive — Disque dur Pour les articles homonymes, voir Disque. Disque dur …
6Hard solder — Solder Sol der, n. [Formerly soder; F. soudure, OF. soudeure, fr. OF. & F. souder to solder, L. solidare to fasten, to make solid. See {Solid}, and cf. {Sawder}.] A metal or metallic alloy used when melted for uniting adjacent metallic edges or… …
7hard-rock mining — /ˈhad rɒk maɪnɪŋ/ (say hahd rok muyning) noun the mining of hard ores such as those which contain gold, nickel, zinc, etc., as opposed to soft rock mining for coal, shale oil, etc …
8hard-fiber — ˈ ̷ ̷ˌ ̷ ̷ ̷ ̷ adjective Etymology: hard (I) + fiber, n. : vulcanized with zinc chloride used of paper or boards …
9Underground mining (hard rock) — A three dimensional model of an underground mine with shaft access Underground hard rock mining refers to various underground mining techniques used to excavate hard minerals, mainly those containing metals[1] such as ore containing gold …
10Compounds of zinc — are chemical compounds containing the element zinc which is a member of the group 12 of the periodic table. The oxidation state of most compounds is the group oxidation state of +2. Zinc may be classified as a post transition main group element… …
