Examples of the the word, helium , in a Sentence Context

The word ( helium ), is the 14117 most frequently used in English word vocabulary

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  1. Matter supposedly free of stellar nucleosynthesis products) should have more, helium ,than deuterium or more deuterium than, and in constant ratios, too. Galactic
  2. Properties of the elements The element with the lowest boiling point is, helium , Both the boiling points of rhenium and tungsten exceed 5000 K at standard
  3. In the 1960s. Energy of the cosmos Light elements, primarily hydrogen and, helium , were created in the Big Bang. These light elements were spread too fast and
  4. 4,but rather by 4 times the ratio of the reduced mass for the hydrogen vs. the, helium ,systems, which was much closer to the experimental ratio than exactly 4.0. For
  5. That of a classical fluid, is closely related to the super fluid phase of liquid, helium , Topics in condensed matter physics ** Generic phases - gas (** Low
  6. Up appreciable levels of metallicity (levels of elements besides hydrogen and, helium ,) especially carbon, by nucleosynthesis. Small rocky planets did not yet exist.
  7. The first Bohr orbit is filled when it has two electrons, and this explains why, helium ,is inert. The second orbit allows eight electrons, and when it is full the atom
  8. The fact that the frequencies of lines in the spectra for singly ionized, helium ,do not differ from those of hydrogen by a factor of exactly 4,but rather by 4
  9. Only includes one-electron systems such as the hydrogen atom, singly ionized, helium , doubly ionized lithium, but it includes positioning and Rydberg states of any
  10. Transiently. Description The lightest of the chemical elements are hydrogen and, helium , both created by Big Bang nucleosynthesis during the first 20 minutes of the
  11. Nickel invariably found in metallic deposits of meteorite origin. Hydrogen and, helium ,are by far the most abundant elements in the universe. However, oxygen is the
  12. Gs190_1_205/> Most of the helium in the crust of the Earth (about 99 % of the, helium ,from gas wells, as shown by its lower abundance of helium -3) is a product of
  13. Campbell's tomato juice cases. Other famous works include the Silver Clouds –, helium ,filled, silver Mylar, pillow-shaped balloons. A Silver Cloud was included in
  14. A resonance effect that induced oscillations in the rocket. A system using, helium ,gas to absorb some of these vibrations was installed. The Apollo 8 spacecraft
  15. Which had been suspect since before launch. After the abort decision,the, helium ,pressure continued to rise and Mission Control predicted the time that the
  16. They could get an earlier look at the pressure reading of the supercritical, helium ,(She) tank in the LM descent stage, which had been suspect since before
  17. Core ideas of the Big Bang—the expansion, the early hot state, the formation of, helium , the formation of galaxies—are derived from many observations that are
  18. Almost all other elements found in nature, including some further hydrogen and, helium ,created since then, were made by various natural or (at times) artificial
  19. Decay of underground deposits of minerals containing uranium or thorium. The, helium ,is brought to the surface as a byproduct of natural gas production. History
  20. Growth; solidification fronts; viscous fingering ** Maritza resistance - liquid, helium ,solid heat conductivity ** Types - insulator; metal; semiconductor; semimetal
  21. Nuclei. This happens in conditions of temperatures over 100 megakelvin and, helium ,concentration that the rapid expansion and cooling of the early universe
  22. Impossible to" tune" the Big Bang to produce much more or less than 20–30 %, helium , Indeed, there is no obvious reason outside the Big Bang that, for example
  23. Weldon Railroad. *1868 – French astronomer Pierre Jules César Janssen discovers, helium , *1870 – Franco-Prussian War: Battle of Gravestone is fought. *1877 – ASAP
  24. Of air, neutrons combined with protons to form the Universe's deuterium and, helium ,nuclei in a process called Big Bang nucleosynthesis. Over a long period of time
  25. Of the Earth through radiometric dating. Name gs190_1_205/> Most of the, helium ,in the crust of the Earth (about 99 % of the helium from gas wells, as shown
  26. And nuclear fusion would have converted all hydrogen in the early universe to, helium , Water and the long-lived stable stars essential for the emergence of life
  27. And the fourth most abundant element in the universe by mass after hydrogen, helium , and oxygen. It is present in all known life forms, and in the human body
  28. Motion is effectively stopped within a few centimeters of air. Most of the, helium ,produced on Earth (approximately 99 % of it) is the result of the alpha decay
  29. Then atmosphere, and has approximately 60 % of the lifting power of hydrogen or, helium , Ammonia has sometimes been used to fill weather balloons as a lifting gas.
  30. Have energy levels predicted by the model. It doesn’t work for (neutral), helium , Refinements Several enhancements to the Bohr model were proposed; most notably
  31. And Mission Control predicted the time that the burst disc would rupture. The, helium ,tank burst disc ruptured at 108:54,after the lunar flyby. The expulsion
  32. Products of further nuclear fusion reactions of helium with hydrogen or another, helium ,nucleus produce lithium-5 and beryllium-8 respectively, both of which are
  33. Of which are used on a large industrial scale. The other noble gases (except, helium ,) are produced this way as well, but argon is the most plentiful since it has
  34. Condensation of the liquid. In fact, many of the properties of super fluid, helium ,also appear in the gaseous Bose–Einstein condensates created by Cornell, Wieman
  35. Resistivity gradually increases with temperature from about 2 ohm·cm at liquid, helium ,to 69 ohm·cm at room temperature; this behavior is similar to that of
  36. To have been produced by various cosmic processes, including hydrogen and, helium ,creation during the Big Bang, production of elements as heavy as iron by
  37. The following three minutes, Big Bang nucleosynthesis produced most of the, helium , lithium, and deuterium in the universe, and perhaps some beryllium and
  38. Triple-alpha process, as the products of further nuclear fusion reactions of, helium ,with hydrogen or another helium nucleus produce lithium-5 and beryllium-8
  39. Bang. Instead, the interiors of stars in the horizontal branch transform three, helium ,nuclei into carbon by means of this triple-alpha process. In order to be
  40. As a lifting gas. Because of its relatively high boiling point (compared to, helium ,and hydrogen),ammonia could potentially be refrigerated and liquefied aboard
  41. Which defines the Abbé number with respect to the yellow Fraunhofer d (or D3), helium , line at 587.5618 nm wavelength. It can also be defined at the green mercury
  42. Large gasbags or canopies, filled with a relatively low-density gas such as, helium , hydrogen, or hot air, which is less dense than the surrounding air. When the
  43. To as low as 15 K. * A cooling system to reduce atomic motion, such as a, helium ,refrigeration circuit. * A high voltage system to raise the sample voltage. * A
  44. Planets, including Jupiter, along with other gases like methane, hydrogen,and, helium , The interior of Saturn may include frozen crystals of ammonia. It is naturally
  45. The steady enrichment of the ISM with elements more massive than hydrogen and, helium , Up to 95 % of the Milky Way's atoms are concentrated inside stars and the
  46. Fourth most abundant chemical element in the universe by mass after hydrogen, helium , and oxygen. Carbon is abundant in the Sun, stars,comets, and in the
  47. To retard their degradation. Using argon reduces gas leakage, compared with the, helium ,used in the preceding five decades. Laboratory equipment Argon may be used as
  48. A super fluid, at temperatures less than 2.17 K (the lambda point). Super fluid, helium ,has many unusual properties, including zero viscosity (the ability to flow
  49. Nucleus requires a nearly simultaneous triple collision of alpha particles (, helium ,nuclei) within the core of a giant or supergiant star which is known as the
  50. 3+ etc.) of the ionized groups. * Low molecular weight gases (Hydrogen &, helium ,) may be difficult to remove from the analysis chamber, and may be adsorbed and

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