representative configuration
51Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …
52reaction mechanism — Introduction in chemical reactions (chemical reaction), the detailed processes by which chemical substances are transformed into other substances. The reactions themselves may involve the interactions of atoms (atom), molecules (molecule),… …
53Italy — • In ancient times Italy had several other names: it was called Saturnia, in honour of Saturn; Enotria, wine producing land; Ausonia, land of the Ausonians; Hesperia, land to the west (of Greece); Tyrrhenia, etc. The name Italy, which seems to… …
54Niedernhausen — Niedernhausen …
55Software performance testing — In software engineering, performance testing is testing that is performed, to determine how fast some aspect of a system performs under a particular workload. It can also serve to validate and verify other quality attributes of the system, such… …
56DO-178B — / ED 12B Software Considerations in Airborne Systems and Equipment Certification Latest Revision December 1, 1992 Prepared by RTCA SC 167 EUROCAE WG 12 DO 178B, Software Considerations in Airborne Systems and Equipment Certification is a document …
57Percival Mew Gull — Infobox Aircraft name=Mew Gull caption= Percival Mew Gull G AXEF at Breighton Aerodrome, UK being piloted by Tony (“Taff”) Smith on 14 July 2007, photograph by Michael Rushforth. type=Racing aircraft manufacturer=Percival Aircraft Company… …
58nuclear weapon — an explosive device whose destructive potential derives from the release of energy that accompanies the splitting or combining of atomic nuclei. [1945 50] * * * or atomic weapon or thermonuclear weapon Bomb or other warhead that derives its force …
59river — river1 riverless, adj. riverlike, adj. /riv euhr/, n. 1. a natural stream of water of fairly large size flowing in a definite course or channel or series of diverging and converging channels. 2. a similar stream of something other than water: a… …
60rock — rock1 rockless, adj. rocklike, adj. /rok/, n. 1. a large mass of stone forming a hill, cliff, promontory, or the like. 2. Geol. a. mineral matter of variable composition, consolidated or unconsolidated, assembled in masses or considerable… …
