helium leak detection

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• Helium mass spectrometer — A helium mass spectrometer is an instrument commonly used to detect and locate small leaks. It was initially developed in the Manhattan Project during World War II to find extremely small leaks in the gas diffusion process of uranium enrichment… …   Wikipedia

• Helium — otherusesHelium (He) is a colorless, odorless, tasteless, non toxic, inert monatomic chemical element that heads the noble gas group in the periodic table and whose atomic number is 2. Its boiling and melting points are the lowest among the… …   Wikipedia

• Helium — Hélium Traduction à relire Helium → …   Wikipédia en Français

• Hélium 4 — Hélium Traduction à relire Helium → …   Wikipédia en Français

• Hélium — Pour les articles homonymes, voir Helium (homonymie). Hélium Hydrogène ← Hélium → …   Wikipédia en Français

• Tracer-gas leak testing method — As part of the recommended leak testing methods for nondestructive testing several tracer gas leak testing ones exist among which the methods of choice are: * Helium mass spectrometer or helium leak detection, providing the highest sensitivity *… …   Wikipedia

• Obtention de l'helium — Hélium Traduction à relire Helium → …   Wikipédia en Français

• Hydrogen leak testing — is the normal way in which a hydrogen pressure vessel or installation is checked for leaks or flaws. There are various tests.*The Hydrostatic test, The vessel is filled with a nearly incompressible liquid usually water or oil and examined for… …   Wikipedia

• Alcatel Vacuum Technology — Infobox Company company name = Alcatel Vacuum Technology company foundation = 1952 as manufacturing site, 1997 as Alcatel Vacuum Technology France SAS num employees = 500+ (2007) location = Annecy, 98 avenue de Brogny, France key people =… …   Wikipedia

• 7440-59-7 — Hélium Traduction à relire Helium → …   Wikipédia en Français

• E939 — Hélium Traduction à relire Helium → …   Wikipédia en Français