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1868)Sir William Ramsaydiscoveredhelium on earth
radioactively(passive) is originatedHelium in the atmosphere
from the uranium and thorium in the lithosphere and from cosmic rays from the galaxy and beyond(passive) is originated radioactivelyHelium in the atmosphere
The international team of astronomers , led by Jessica Spake , a PhD student at the University of Exeter in the UK , used Hubble 's Wide Field Camera 3to discoverhelium in the atmosphere of
Ramsay , WilliamDiscovered Argon , Krypton and Xenon andindependently discoveredHelium on earth
Finally filled with N70 nitrogen at about 1050 mbarto preventhelium permeation from the
another British scientisthad discoveredhelium on Earth
William Ramseydiscoveredhelium on Earth
less frictionis causedin the helium environment
Swedish chemist Per Theodor Cleve — anddiscoveredhelium in cleveite
with flux of free space for subatomic potential funnel of a monopolewould contributewith flux of free space for subatomic potential funnel of a monopole
primarily of nitrogen and oxygenis composedprimarily of nitrogen and oxygen
to the production of impurity ions ... in this case 2 +contributeto the production of impurity ions ... in this case 2 +
Carbonto discoverCarbon
the channels(passive) created bythe channels
air bubbles from being trapped in the delicate fibersto preventair bubbles from being trapped in the delicate fibers
The cracking(passive) was caused byThe cracking
the platform to come back down and landcausesthe platform to come back down and land
in a huge advance in system reliabilityresultedin a huge advance in system reliability