spot heating
121Vacuum arc — A vacuum arc can arise when the surfaces of metal electrodes in contact with a good vacuum begin to emit electrons either through heating (thermionic emission) or via an electric field that is sufficient to cause field emission. Once initiated, a …
122African fat-tailed gecko — Taxobox name = African Fat tailed Gecko image width = 250px regnum = Animalia phylum = Chordata classis = Reptilia ordo = Squamata subordo = Sauria familia = Eublepharidae genus = Hemitheconyx species = H. caudicinctus binomial = Hemitheconyx… …
123Mercedes-Benz W221 — For a complete overview of all S Class models, see Mercedes Benz S Class. Mercedes Benz W221 Manufacturer …
124List of NFL nicknames — The following are nicknames throughout the history of the NFL. Contents 1 Teams 2 Players 3 Places 4 Fans 5 …
125Atmosphere of Venus — Atmosphere of Venus …
126Antarctica — /ant ahrk ti keuh, ahr ti /, n. the continent surrounding the South Pole: almost entirely covered by an ice sheet. ab. 5,000,000 sq. mi. (12,950,000 sq. km). Also called Antarctic Continent. * * * Antarctica Introduction Antarctica Background:… …
127conservation — conservational, adj. /kon seuhr vay sheuhn/, n. 1. the act of conserving; prevention of injury, decay, waste, or loss; preservation: conservation of wildlife; conservation of human rights. 2. official supervision of rivers, forests, and other… …
128crystal — crystallike, adj. /kris tl/, n., adj., v., crystaled, crystaling or (esp. Brit.) crystalled, crystalling. n. 1. a clear, transparent mineral or glass resembling ice. 2. the transparent form of crystallized quartz. 3. Chem., Mineral. a solid body… …
