- four-gas analyzer
- Equipment for testing exhaust gas for hydrocarbons, carbon monoxide, carbon dioxide, and oxygen
Dictionary of automotive terms. 2015.
Dictionary of automotive terms. 2015.
Quadrupole mass analyzer — The quadrupole mass analyzer is one type of mass analyzer used in mass spectrometry. As the name implies, it consists of 4 circular rods, set perfectly parallel to each other.cite book|last=de Hoffmann|first=Edmond|coauthors=Vincent… … Wikipedia
Phoenix (spacecraft) — This article is about the Mars lander. For the Star Trek spacecraft, see Phoenix (Star Trek). For other uses, see Phoenix (disambiguation). Phoenix Mars Mission Artist s impression of the Phoenix spacecraft as it lands on Mars Operator NASA … Wikipedia
Russian apartment bombings — Location Russia (Buynaksk Moscow Volgodonsk) Date Septembe … Wikipedia
Explanation attempts for the Russian apartment bombings — Many different explanations have been given for the Russian apartment bombings. The Russian apartment bombings were a series of explosions that hit apartment blocks in the Russian cities of Buynaksk, Moscow and Volgodonsk in September 1999,… … Wikipedia
Phoenix (sonde spatiale) — Pour les articles homonymes, voir Phoenix. Phoenix … Wikipédia en Français
Mars Polar Lander — Artist depiction of Mars Polar Lander on Mars. Operator NASA / JPL Major contractors Martin Marietta … Wikipedia
Mission phénix — Phoenix (sonde spatiale) Pour les articles homonymes, voir Phoenix. Phoenix … Wikipédia en Français
Phoenix Mars Lander — Phoenix (sonde spatiale) Pour les articles homonymes, voir Phoenix. Phoenix … Wikipédia en Français
Phoenix Mars Mission — Phoenix (sonde spatiale) Pour les articles homonymes, voir Phoenix. Phoenix … Wikipédia en Français
Dates of 2008 — ▪ 2009 January As we meet tonight, our economy is undergoing a period of uncertainty.… At kitchen tables across our country, there is a concern about our economic future. U.S. Pres. George W. Bush, in his final state of the union address, January … Universalium