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41Friendly fire — For other uses, see Friendly Fire (disambiguation). Blue on blue redirects here. For other uses, see Blue on blue (disambiguation). Friendly fire is inadvertent firing towards one s own or otherwise friendly forces while attempting to engage… …
42Brent Spar — or Brent E, was a North Sea oil storage and tanker loading buoy in the Brent oilfield, operated by Shell UK. With the completion of a pipeline connection to the oil terminal at Sullom Voe in Shetland, the storage facility had continued in use but …
43List of The Price Is Right pricing games — Pricing games are featured on the current version of the game show The Price Is Right. The contestant from Contestants Row who bids closest to the price of a prize without going over wins it and has the chance to win additional prizes or cash in… …
44Siping Campaign — Infobox Military Conflict conflict=Siping Campaign partof=the Chinese Civil War place=Siping, Jilin, China date=June 11, 1948 March 13, 1948 result=Communist victory combatant1= combatant2= commander1= commander2= strength1= 55,000 strength2=… …
45Valence electron — In chemistry, valence electrons are the electrons contained in the outermost, or valence , electron shell of an atom. Valence electrons are important in determining how an element reacts chemically with other elements: The fewer valence electrons …
46ion-exchange reaction — ▪ chemical reaction Introduction any of a class of chemical reactions between two substances (each consisting of positively and negatively charged species called ions (ion)) that involves an exchange of one or more ionic components.… …
47Geology of the North Sea — Contents 1 Tectonic structure 2 Precambrian 3 Finnmarkian, Athollian, Caledonian Orogenies …
48Space suit — A space suit is a complex system of garments, equipment and environmental systems designed to keep a person alive and comfortable in the harsh environment of outer space. This applies to extra vehicular activity (EVA) outside spacecraft orbiting… …
49Heat exchanger — An interchangeable plate heat exchanger Tubular heat exchan …
50analysis — /euh nal euh sis/, n., pl. analyses / seez /. 1. the separating of any material or abstract entity into its constituent elements (opposed to synthesis). 2. this process as a method of studying the nature of something or of determining its… …
