atomic hydrogen in a sentence
1) atomic hydrogen is much more reactive than molecular hydrogen.
2) atomic hydrogen is a minor atmospheric constituent.
atomic collocations
3) One solution is to add atomic hydrogen between the layers .
4) The universal emergence of atomic hydrogen first occurred during the recombination epoch.
atomic hydrogen example sentences
5) Another minor constituent of the Ganymedian atmosphere is atomic hydrogen .6) This is the well-known H-alpha line emitted by atomic hydrogen .
7) As n takes on larger and for the electron in atomic hydrogen .
8) Adding a cathodic poison captures atomic hydrogen within the structure of a metal.
9) It is used as a shielding gas in welding methods such as atomic hydrogen welding.
10) atomic hydrogen constitutes about 75% of the elemental (baryonic) mass of the universe.
11) However, it appears in space, in excited atomic hydrogen, producing Hubble's redshift.
12) Other arc welding processes include atomic hydrogen welding, electroslag welding, electrogas welding, and stud arc welding.
13) The model's key success lay in explaining the Rydberg formula for the spectral emission lines of atomic hydrogen .
14) Observation of the abundant atomic hydrogen in 21 cm has shown good signal-to-noise ratio in both emission and absorption.
example sentences with atomic
15) For example, a typical absorption wavelength of atomic hydrogen lies at about 121.5 nanometers, the Lyman-alpha transition.16) Sunlight would quickly break down a free water molecule into hydroxyl (OH) and atomic hydrogen (H).
17) The operation has to be performed at low pressure, as the stability of atomic hydrogen at atmospheric pressure is insufficient.
18) Anyhow, it was while he was underground that he made this prediction that neutral atomic hydrogen should emit 21 centimeter radio radiation.
19) Measurements of the atomic hydrogen and continuum emission will trace the star formation history of the Universe from the primordial galaxies to the present.
20) A similar measurement that compares the redshifted wavelength of the 21 cm line of atomic hydrogen to redshifted wavelengths of optical lines does not show this effect.
21) Under-deposit corrosion releases atomic hydrogen which migrates into the tube wall metal, reacts with carbon in the steel (decarburization) and causes intergranular separation.
22) For example, atomic hydrogen has molecular weight of 1 but it normally occurs as the H 2 molecule, which is two hydrogen atoms bound together so its molecular weight is 2.
23) The number density of atomic hydrogen in the corona falls slowly with the distance from the planet, remaining as high a few hundred atoms per cm3 at a few radii from Uranus.
24) In particular, the spectrum of atomic hydrogen had a doublet, or pair of lines differing by a small amount, where only one line was expected.
25) Each photon from glowing atomic hydrogen is due to an electron moving from a higher orbit, with radius __FORMULA__, to a lower orbit, __FORMULA__.
26) Just as an arc flame (as in atomic hydrogen welding), it can be moved from one place to another and can be better controlled.
27) The addition of Pd appears to be effective in the catalytic dissociation of hydrogen molecules into atomic hydrogen, increasing the sensitivity of the sensor device.
28) Its great success was the prediction of a small displacement, the Lamb shift, in some lines in the spectrum of atomic hydrogen .
29) Under normal conditions, the atomic hydrogen will combine at the metal surface to create hydrogen gas, which cannot penetrate the metal.
30) In the case of hydrogen, adsorption is most often accompanied with dissociation of molecular hydrogen (H2) to atomic hydrogen (H), followed by spillover of the hydrogen atoms present.
31) As the more massive stars appear, they transform the cloud into an H II region (ionized atomic hydrogen ) of glowing gas and plasma.
32) The dark band across the middle of the figure is due primarily to atomic hydrogen in the disk between the Sun and the bar.
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