Results 21 to 30 of about 67,700 (153)
The Phosphorus, Sulfur, Argon, and Calcium Isotopic Composition of the Galactic Cosmic Ray Source [PDF]
, 2009 Galactic cosmic ray (GCR) measurements of the phosphorus, sulfur, argon, and calcium isotopes made by the Cosmic Ray Isotope Spectrometer aboard the Advanced Composition Explorer are reported over the energy range from ~100 to ~400 MeV nucleon^(–1).
Binns, W. R. +9 more
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High Pressure and Road to Room Temperature Superconductivity
, 2018 High pressure serves as a path finding tool towards novel structures, including those with very high Tc.The superconductivity in sulfur hydrides with record value (203 K) is caused by the phonon mechanism.
Gor'kov, Lev, Kresin, Vladimir
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Biotechnological aspects of sulfate reduction with methane as electron donor [PDF]
, 2010 Biological sulfate reduction can be used for the removal and recovery of oxidized sulfur compounds and metals from waste streams. However, the costs of conventional electron donors, like hydrogen and ethanol, limit the application possibilities.
Lens, P.N.L. +2 more
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Multiple-sulfur isotope effects during photolysis of carbonyl sulfide [PDF]
, 2011 Laboratory experiments were carried out to determine sulfur isotope effects during ultraviolet photolysis of carbonyl sulfide (OCS) to carbon monoxide (CO) and elemental sulfur (S[superscript 0]).
Lin, Ying, Ono, Shuhei, Sim, Min Sub
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Box Models of Volatile Cycles over the Entire Phanerozoic [PDF]
, 2006 Three stand-alone geochemical box models have been developed to simulate globally coupled biogeochemical cycles. These models reflect the evolution of the participating biotic and abiotic constituents in marine and terrestrial environments, including the
Bartdorff, Oliver
core
Latitudinal differences in the amplitude of the OAE-2 carbon isotopic excursion: pCO2 and paleoproductivity [Discussion paper] [PDF]
, 2011 A complete, well-preserved record of the Cenomanian/Turonian (C/T) Oceanic Anoxic Event 2 (OAE-2) was recovered from Demerara Rise in the southern North Atlantic Ocean (ODP site 1260).
Bentum, Elisabeth C. van +3 more
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Isotope shift in the Sulfur electron affinity: observation and theory
, 2010 The electron affinities eA(S) are measured for the two isotopes 32S and 34S (16752.9753(41) and 16752.9776(85) cm-1, respectively). The isotope shift in the electron affinity is found to be positive, eA(34S)-eA(32S) = +0.0023(70) cm-1, but the ...
Blondel, Christophe +6 more
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New Frontiers for Sulfur Isotopic Analyses
Procedia Earth and Planetary Science, 2015 AbstractMeasurements of sulfur stable isotope ratios (34S/32S) have suffered in the past from technical difficulties in analyzing low-S materials reducing their use despite their undeniable scientific interest. The measurement of 34S/32S ratios is a powerful tool for deciphering problems such as determining the sources of environmental pollutants, to ...
Fourel, François +2 more
openaire +2 more sources
Selenium and molybdenum enrichment in uranium roll-front deposits of Wyoming and Colorado, USA [PDF]
, 2017 Acknowledgements The authors wish to thank Cal VanHolland, Jim Bonner and John Cooper of Ur-Energy (Casper, Wyoming) for their assistance with sampling, data provision and feedback.
Bullock, Liam A., Parnell, John
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, 2016 The recent report of superconductivity under high pressure at the record transition temperature of Tc=203K in sulfur hydride has been identified as conventional in view of the observation of an isotope effect upon deuteration.
Bianconi, Antonio +4 more
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