buffer lamp

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• Buffer gas — A buffer gas is an inert or nonflammable gas. In the Earth s atmosphere, nitrogen acts as a buffer gas. A buffer gas adds pressure to a system and controls the speed of combustion with any oxygen present. Any inert gas such as helium, neon, or… …   Wikipedia

• Hollow cathode lamp — A hollow cathode lamp (HCL) is type of lamp used in physics and chemistry as a spectral line source and as a frequency tuner for light sources such as lasers.An HCL usually consists of a glass tube containing a cathode, an anode, and a buffer gas …   Wikipedia

• UK railway signalling — The railway signalling systems used across the majority of the United Kingdom rail network use lineside signals to advise the driver of the status of the section of track ahead. Most lineside signals are in colour light form, but a significant… …   Wikipedia

• Agarose gel electrophoresis — is a method used in biochemistry and molecular biology to separate DNA, or RNA molecules by size. This is achieved by moving negatively charged nucleic acid molecules through an agarose matrix with an electric field (electrophoresis). Shorter… …   Wikipedia

• Atomic clock — Nuclear clock redirects here. For the clock as a measure for risk of catastrophic destruction, see Doomsday Clock. For a clock updated by radio signals (commonly but inaccurately called an atomic clock ), see Radio clock. For the album by Zion I …   Wikipedia

• PHP — Pour les articles homonymes, voir PHP (homonymie). PHP …   Wikipédia en Français

• Railway signal — Not to be confused with Railway signalling. A signal is a mechanical or electrical device erected beside a railway line to pass information relating to the state of the line ahead to train/engine drivers. The driver interprets the signal s… …   Wikipedia

• Hollow Man 2 — Infobox Film name = Hollow Man 2 caption = writer = Joel Soisson Jeb Stewart starring = Christian Slater Peter Facinelli Laura Regan director = Claudio Fäh producer = David Lancaster Vicki Sotheran Douglas Wick distributor = Sony Pictures… …   Wikipedia

• Genie (Aladdin) — DisneyChar name = Genie image caption = The Genie in the 1992 film Aladdin first appearance = Aladdin created by = Roger Allers Ron Clements voiced by = Robin Williams (English, first and third film) Dan Castellaneta (English, all other… …   Wikipedia

• Symbole electronique — Symbole électronique Les symboles électroniques sont largement utilisés pour représenter les composants des circuits électroniques. Cet article a pour vocation de tous les représenter et de faire office de liste ou « dictionnaire ».… …   Wikipédia en Français

• Symbole électronique — Les symboles électroniques sont largement utilisés pour représenter les composants des circuits électroniques. Cet article a pour vocation de tous les représenter et de faire office de liste ou « dictionnaire ». Sommaire 1 …   Wikipédia en Français