protective oxide shell
1Chromium — This article is about the chemical element. For other uses, see Chromium (disambiguation). vanadium ← chromium → manganese ↑ Cr ↓ Mo …
2Compact Cassette — A TDK D C60 cassette, a common speech quality tape with a 60 minute playing time, in a housing similar to that of the original Compact Cassette specification …
3Titanium — This article is about the chemical element. For other uses, see Titanium (disambiguation). scandium ← titanium → vanadium …
4Hafnium — lutetium ← hafnium → tantalum Zr ↑ Hf ↓ Rf …
5Yttrium — (pronEng|ˈɪtriəm) is a chemical element with symbol Y and atomic number 39. It is a silvery metallic transition metal chemically similar to the lanthanoids and has historically been classified as a rare earth element. Yttrium is almost always… …
6Fireworks — Firework redirects here. For other uses, see Fireworks (disambiguation). Pyrotechnics portal …
7Molybdenum — niobium ← molybdenum → technetium Cr ↑ Mo ↓ W …
8Nickel — This article is about the chemical element. For other uses, see Nickel (disambiguation). cobalt ← nickel → copper ↑ Ni ↓ Pd …
9metallurgy — metallurgic, metallurgical, adj. metallurgically, adv. metallurgist /met l err jist/ or, esp. Brit., /meuh tal euhr jist/, n. /met l err jee/ or, esp. Brit., /meuh tal euhr jee/, n. 1. the technique or science of working or heating metals so as… …
10Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …
