[03:03.40]However, because there is very little helium [03:07.40]in the Earth's atmosphere, [03:09.44]leaks can be easily detected. [03:12.32]This makes the gas important [03:14.84]for identifying possible problems [03...
Liquid helium is therefore essential to any technology that uses superconducting magnets, including magnetic resonance imaging (MRI) scanners and somefusion reactors. Helium also coolsparticle accelerators, quantum computers, and theinfrared detectorson the James Webb Space Telescope. As a gas, helium wh...
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What is the scientific name for natural gas? What is hydrogen's state of matter at room temperature? Which gaseous element comprises the greatest percentage of the air that we breathe? What is the difference between a gas and a liquid?
some industries. Helium is highly stable and non-reactive in both gaseous and liquid forms. It has the lowest melting and boiling points and does not burn. Noble gases, like helium, don’t burn in oxygen or react with other elements. Helium occurs as a gas unless under extreme temperatures...
Because it is chemically inert, it is also used as a gas shield in robotic arc welding and as a non-reactive atmosphere for growing silicon and germanium crystals used to make electronic semiconductor devices. Liquid helium is often used to provide the extremely low temperatures required in ...
kind of liquid or gas is available to move them about.Thus, if we limit our search to worlds on which organic molecules are likely to be involved in chemical reactions, we can probably rule out any world that lacks both an atmosphere and a surface or subsurface liquid medium, such as ...
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Briefly, a Precon+Gasbench coupled with an isotope ratio mass spectrometer (Delta V plus, USA) was used to detect δ15Nbulk-N2O, δ15Nα-N2O (14N-15N-16O) and δ15Nβ-N2O (15N-14N-16O) abundances. The gas sample was enriched in a liquid N2 trapper and then separated by a 30-...