emitting target
1Mandatory renewable energy target — A mandatory renewable energy target is a government legislated requirement on electricity retailers to source specific proportions of total electricity sales from renewable energy sources according to a fixed timeframe. The additional cost is… …
2Commonly-used gamma emitting isotopes — Fission products Caesium 137 is a radioactive isotope which is formed mainly by nuclear fission. It has a half life of 30 years, and decays by pure beta decay to a metastable state of barium 137 (Ba 137m). Barium 137m has a half life of minutes… …
3PL-12 — Infobox Weapon is missile=yes name=PL 12 SD 10 caption=puic| origin= type=Medium range air to air missile used by= manufacturer=CATIC unit cost=$84,000 USD propellant= production date=2002 service=2007 engine=Solid fuel dual thrust rocket motor… …
4Sonar — This article is about underwater sound propagation. For atmospheric sounding, see SODAR. For other uses, see Sonar (disambiguation) …
5Mathematics 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… …
6Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… …
7Monoscope — For the portable telescope, see Spotting scope The Indian Head test pattern …
8Nobel Prizes — ▪ 2009 Introduction Prize for Peace The 2008 Nobel Prize for Peace was awarded to Martti Ahtisaari, former president (1994–2000) of Finland, for his work over more than 30 years in settling international disputes, many involving ethnic,… …
9Laser — For other uses, see Laser (disambiguation). United States Air Force laser experiment …
10Cell signaling — is part of a complex system of communication that governs basic cellular activities and coordinates cell actions. [Witzany, G. (2000). Life: The Communicative Structure. Norderstedt, Libri BoD.] The ability of cells to perceive and correctly… …
