Articles with "noble gases" as a keyword



Coordination of noble gases by alkali-metal-like superatom cation Be3 B.

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Published in 2023 at "Journal of computational chemistry"

DOI: 10.1002/jcc.27122

Abstract: Quantum chemical calculations were carried out to investigate the noble gas binding ability of Be3 B+ cluster. Calculations reveal that heavier noble gas atoms (ArXe) form stable complexes with this cluster. Detailed bonding analyses reveal… read more here.

Keywords: gas atoms; gas; noble gas; noble gases ... See more keywords

Degassing behavior of noble gases from groundwater during groundwater sampling

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Published in 2019 at "Applied Geochemistry"

DOI: 10.1016/j.apgeochem.2019.03.007

Abstract: Abstract Noble gases dissolved in groundwater have been used to evaluate characteristics such as origin, residence time and recharge temperature. Although obtaining samples without degassing is highly desired, in certain cases, degassing during sampling is… read more here.

Keywords: gas; behavior noble; noble gases; model ... See more keywords

New evidences on groundwater dynamics from the Souss-Massa system (Morocco): Insights gained from dissolved noble gases

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Published in 2019 at "Applied Geochemistry"

DOI: 10.1016/j.apgeochem.2019.104395

Abstract: Abstract The Souss-Massa plain, an important agriculture area of the Middle Western of Morocco, is a depression zone filled with Plio-Quaternary sediments which are overlying a complex multi-layered sedimentary basement. Over the last decades, population… read more here.

Keywords: water; noble gases; souss massa; agriculture ... See more keywords
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The diffusion coefficients of noble gases (He Ar) in a synthetic basaltic liquid: One-dimensional diffusion experiments

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Published in 2017 at "Chemical Geology"

DOI: 10.1016/j.chemgeo.2017.05.017

Abstract: Diffusion coefficients of noble gases in silicate liquids are poorly known, and, as a result, it is difficult to quantify the importance of kinetic fractionation of noble gas abundances and isotopic compositions during magmatic processes.… read more here.

Keywords: noble gases; diffusion; liquid; glass ... See more keywords

Effective radium-226 concentration in meteorites

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Published in 2017 at "Geochimica et Cosmochimica Acta"

DOI: 10.1016/j.gca.2017.03.031

Abstract: The analysis of noble gases in meteorites provides constraints on the early solar system and the pre-solar nebula. This requires a better characterization and understanding of the capture, production, and release of noble gases in… read more here.

Keywords: radium; noble gases; 226 concentration; radon 222 ... See more keywords

Escape and fractionation of volatiles and noble gases from Mars-sized planetary embryos and growing protoplanets

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Published in 2017 at "Icarus"

DOI: 10.1016/j.icarus.2017.10.031

Abstract: Planetary embryos form protoplanets via mutual collisions, which can lead to the development of magma oceans. During their solidification, significant amounts of the mantles’ volatile contents may be outgassed. The resulting H2O/CO2 dominated steam atmospheres… read more here.

Keywords: planetary embryos; noble gases; escape; sized planetary ... See more keywords

The upper atmosphere of Venus: Model predictions for mass spectrometry measurements

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Published in 2019 at "Planetary and Space Science"

DOI: 10.1016/j.pss.2019.03.006

Abstract: Abstract Venus is the closest and most similar planet to Earth in the whole solar system, yet, basic measurements are missing. The atmospheric composition has been studied to some extent with the Pioneer Venus Orbiter… read more here.

Keywords: venus; noble gases; upper atmosphere; venus model ... See more keywords

In Situ Helium Isotope Microimaging of Meteorites

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Published in 2024 at "Analytical Chemistry"

DOI: 10.1021/acs.analchem.3c05201

Abstract: Isotope imaging is commonly used to investigate the localization of trace elements and their isotopes. In situ noble gas analysis of meteorites revealed the distribution of primordial noble gases that were trapped in the building… read more here.

Keywords: solar wind; noble gases; isotope; resolution ... See more keywords

Impact of Combination Rules, Level of Theory, and Potential Function on the Modeling of Gas- and Condensed-Phase Properties of Noble Gases

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Published in 2024 at "Journal of Chemical Theory and Computation"

DOI: 10.1021/acs.jctc.3c01257

Abstract: The systems of noble gases are particularly instructive for molecular modeling due to the elemental nature of their interactions. They do not normally form bonds nor possess a (permanent) dipole moment, and the only forces… read more here.

Keywords: combination; noble gases; gas; dissociation curves ... See more keywords

Nanosecond pulse breakdown in noble gases

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Published in 2023 at "Physics of Plasmas"

DOI: 10.1063/5.0138062

Abstract: The results of the investigation of the breakdown characteristics of the planar “open” discharge and open discharge with the generation of counter-propagating electron beams under excitation by pulses with nanosecond rise fronts are presented. The… read more here.

Keywords: breakdown noble; open discharge; noble gases; discharge ... See more keywords

Plasma stratification in ac discharges in noble gases at low currents.

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Published in 2024 at "Physical review. E"

DOI: 10.1103/physreve.111.015203

Abstract: A hybrid kinetic-fluid model is used to study plasma stratification in alternating current (ac) discharges in noble gases at low plasma densities. Self-consistent coupled solutions of a nonlocal kinetic equation for electrons, a drift-diffusion equation… read more here.

Keywords: stratification; plasma stratification; noble gases; electric field ... See more keywords