palladium plating
41Gold — /gohld, gawld/, n. Nanay. /gohld/, n. 1. Herbert, born 1924, U.S. novelist and short story writer. 2. Thomas, born 1920, U.S. astronomer, born in Austria: formulated the steady state theory of the universe. * * * I Metallic chemical element, one… …
42Body piercing — For other uses, see Piercing (disambiguation). Nipple piercings, vertical labret piercing and stretched ears Body piercing, a form of body modification, is the practice of puncturing or cutting a part of the human body, creating an opening in… …
43Coinage metals — The coinage metals comprise, at minimum, those metallic chemical elements which have historically been used as components in alloys used to mint coins. The term is not perfectly defined, however, since a number of metals have been used to make… …
44Royal Canadian Mint numismatic coins (2000s) — One of the most highly profitable aspects of the Royal Canadian Mint’s enterprise is in its Numismatic product line. [Royal Canadian Mint 2006 Annual Report, page 4] The euphoria surrounding the year 2000 led to the birth of the Millennium 25… …
45Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… …
46Metals conservation — The bronze apoxyomenos, ,dated between 1st and 2nd century BC,found and recovered from Adriatic sea near small island Vele Oryule,near island Loshiny, example of archaeological metals conservation, Croatia Metals conservation, or more precisely… …
47Agate — For other uses, see Agate (disambiguation). Agate Banded agate (agate like onyx); the specimen is 2.5 cm (1 inch) wide General Category …
48Brass — For other uses, see Brass (disambiguation). Brass die, along with zinc and copper samples. Brass is an alloy of copper and zinc; the proportions of zinc and copper can be varied to create a range of brasses with varying properties.[1] In …
49Bronze — This article is about the metal alloy. For other uses, see Bronze (disambiguation). Bronze Chola statue of Nataraja from India at the Metropolitan Museum of Art, New York City Bronze is a metal alloy consisting primarily of copper, usually with… …
50Carat (mass) — This article is about the unit of mass used for gemstones and pearls. For the purity scale used for gold, see carat (purity). The carat is a unit of mass equal to 200 mg (0.2 g; 0.007055 oz) and is used for measuring gemstones and pearls.… …
