selective emitter
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Holmia — is the oxide of the element holmium.It is used as a selective emitter for thermophotovoltaic power systems … Wikipedia
Electronic amplifier — A practical amplifier circuit An electronic amplifier is a device for increasing the power of a signal. It does this by taking energy from a power supply and controlling the output to match the input signal shape but with a larger amplitude. In… … Wikipedia
Field electron emission — It is requested that a diagram or diagrams be included in this article to improve its quality. For more information, refer to discussion on this page and/or the listing at Wikipedia:Requested images. Field emission (FE) (also known as field… … Wikipedia
Operational amplifier — A Signetics μa741 operational amplifier, one of the most successful op amps. An operational amplifier ( op amp ) is a DC coupled high gain electronic voltage amplifier with a differential input and, usually, a single ended output.[1] An op amp… … Wikipedia
Global warming controversy — refers to a variety of disputes, significantly more pronounced in the popular media than in the scientific literature,[1][2] regarding the nature, causes, and consequences of global warming. The disputed issues involve the causes of increased… … Wikipedia
radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… … Universalium
Curium — This article is about the chemical element. For the ancient city located in Cyprus, see Kourion. americium ← curium → berkelium … Wikipedia
EF-2000 — Eurofighter EF 2000 Typhoon Zweisitziger Eurofighter der … Deutsch Wikipedia
Euro Fighter — Eurofighter EF 2000 Typhoon Zweisitziger Eurofighter der … Deutsch Wikipedia
Eurofighter — EF 2000 Typhoon Zweisitziger Eurofighter der … Deutsch Wikipedia
Eurofighter EF 2000 — Typhoon Zweisitziger Eurofighter der … Deutsch Wikipedia
