quenched
121Optical brightener — Optical brighteners, optical brightening agents (OBAs), fluorescent brightening agents (FBAs) or fluorescent whitening agents (FWAs) are dyes that absorb light in the ultraviolet and violet region (usually 340 370 nm) of the electromagnetic… …
122Paramagnetism — is a form of magnetism which occurs only in the presence of an externally applied magnetic field. Paramagnetic materials are attracted to magnetic fields, hence have a relative magnetic permeability greater than one (or, equivalently, a positive… …
123Ruthenium — (pronEng|ruːˈθiːniəm) is a chemical element that has the symbol Ru and atomic number 44. A rare transition metal of the platinum group of the periodic table, ruthenium is found associated with platinum ores and used as a catalyst in some platinum …
124Stainless steel — Iron alloy phases Ferrite (α iron, δ iron) Austenite (γ iron) Pearlite (88% ferrite, 12% cementite) …
125Sword — For other uses, see Sword (disambiguation) and Swords (disambiguation). Swiss longsword, 15th or 16th century A sword is a bladed weapon (edged weapon) used primarily for cutting or thrusting. The precise definition of the term varies with the… …
126Switch — For other uses, see Switch (disambiguation). Electrical switches. Top, left to right: circuit breaker, mercury switch, wafer switch, DIP switch, surface mount switch, reed switch. Bottom, left to right: wall switch (U.S. style), miniature toggle… …
127Sputtering — is a process whereby atoms are ejected from a solid target material due to bombardment of the target by energetic ions. It is commonly used for thin film deposition, etching and analytical techniques (see below). Physics of sputtering Physical… …
128Surtsey — featured articleInfobox World Heritage Site WHS = Surtsey State Party = ISL Type = Natural Criteria = ix ID = 1267 Region = Europe and North America Year = 2008 Session = 32nd Extension = Link = http://whc.unesco.org/en/list/1267Surtsey… …
