helium light
1Helium — Hélium Traduction à relire Helium → …
2Hélium 4 — Hélium Traduction à relire Helium → …
3Helium — 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… …
4Light Amplification by Stimulated Emission of Radiation — Dieser Artikel wurde aufgrund von inhaltlichen Mängeln auf der Qualitätssicherungsseite des Portals Physik eingetragen. Dies geschieht, um die Qualität der Artikel aus dem Themengebiet Physik auf ein akzeptables Niveau zu bringen. Dabei werden… …
5Light gas gun — The light gas gun is an apparatus for physics experiments, a highly specialized gun designed to generate very high velocities. It is usually used to study high speed impact phenomena (hypervelocity research), such as the formation of impact… …
6Hélium — Pour les articles homonymes, voir Helium (homonymie). Hélium Hydrogène ← Hélium → …
7Helium-3 — This article is about the elemental isotope. For the record label Helium 3, see Muse or A E Records .infobox isotope background = #F99 isotope name = Helium 3 alternate names =Helium 3,He 3 symbol =He mass number =3 mass =3.016 num neutrons =1… …
8Helium-4 — infobox isotope background = #F99 isotope name = Helium 4 alternate names =Helium 4,He 4 symbol =He mass number =4 mass =4.002602 num neutrons =2 num protons =2 abundance =99.999863% halflife =stable error halflife = text color = parent = parent… …
9Helium-neon laser — A helium neon laser, usually called a HeNe laser, is a type of small gas laser. HeNe lasers have many industrial and scientific uses, and are often used in laboratory demonstrations of optics. Its usual operation wavelength is 632.8 nm, in the… …
10helium — /ˈhiliəm / (say heeleeuhm) noun an inert gaseous element present in the sun s atmosphere, certain minerals, natural gas, etc., and also occurring as a radioactive decomposition product. Symbol: He; relative atomic mass: 4.0026; atomic number: 2;… …
