... Detector of hydrogen isotopes (ISIV) . Function . ... Measurements of hydrogen isotopes content in surface layer of a solid (provided that the content is more than 0.01 %). ...
... The hydrogen emission lines were first detected in auroral spectra by Vegard (1939 ... Eather, R. H., Auroral proton precipitation and hydrogen emissions, Rev. Geophys., ...
... Hydrogen is compressed . in the tube on top, the gun barrel is on bottom. ... the one which (at given temperature) has the greatest velocity, is that of hydrogen ... Unfortunately, no practical explosive generates hydrogen gas. ...
... Comparing this to Faraday's results, one could get " Avogadro's number ", the number of (say) hydrogen atoms in one gram of hydrogen--an enormously large number. ...
... Its mass is about 2 x 10 30 kg, consisting mainly of hydrogen (90%) and helium (10%). ... the core of the Sun a continuous nuclear fusion is converting hydrogen into helium at a temperature of about 16 million degrees ...
... Comparing this to Faraday's results, one could get " Avogadro's number ", the number of (say) hydrogen atoms in one gram of hydrogen--an enormously large number. ...
... T he Sun is, at present, about 75% hydrogen and 25% helium by mass (92.1% hydrogen and 7.8% helium by number of atoms); everything else (" metals ") amounts to only 0.1%. ...
... The main objective of the mission was to take UV images of the hydrogen corona for about 30 days before and after Comet Halley's descending crossing of the ecliptic plane. ...