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14 213 (0,313s)

Result

Hydrogen and oxygen isotopes of silicates and quartz

Hydrogen and oxygen isotope study of silicate minerals and quartz, implication for isotopic composition of hydrothermal ore solutions......

DB - Geologie a mineralogie

  • 2005
  • C
Result

Oxygen isotope climatic record in a carbonate flowstone layer from a Medieval undergriund mine in the Kutná Hora ore district

The relationship of oxygen isotopes in 500 years old calcite to climatic changes was studied.The changing in oxygen isotopes were controlled by changes in oxygen isotopes of water feeding the gall...

DD - Geochemie

  • 2000
  • Jx
Result

Processes affecting oxygen isotope ratios of atmospheric and ecosystem sulfate in two contrasting forest catchments in Central Europe

Study of oxygene isotope ratios...

DD - Geochemie

  • 2007
  • Jx
Result

Verification of oxygen and nitrogen isotopes use for description of water dynamic circulation in unsaturated zone and proportion nitrate in runoff

Verification of oxygen and nitrogen isotopes use for description of water dynamic circulation in unsaturated zone and proportion nitrate in runoff......

GD - Hnojení, závlahy, zpracování půdy

  • 2008
  • O
Result

Oxygen isotope study of the highly fractionated Podlesí granite system, Krušné hory Mts., Czech Republic

Extremely fractionated, Li-, P- and F-rich granite stock cropping out near Podlesí east of Potůčky, western Krušné hory/Erzgebirge Mts., was studied using oxygen isotope geochemistry of quartz and rock-forming silicate minerals. Fro...

DD - Geochemie

  • 2005
  • Jx
Result

Isotopic echange of 18O as a tool in studies of N2O decomposition over Fe-zeolites

The potential of isotopic exchange of oxygen 18O in the studies of NOx are summarized. Isotopic exchanges of 18O2 for oxygens from decompositing nitrous oxide and of oxygen from nitrous oxide, the particip...

CF - Fyzikální chemie a teoretická chemie

  • 2007
  • Jx
Result

Gas-Phase Chemistry of Vanadium-Oxide Cluster Cations VmOn+ (m = 1 - 4, n = 1 - 10) with Water and Molecular Oxygen

Oxygen-isotope exchange reactions of gaseous vanadium-oxide cluster cations with water and molecular oxygen are probed using mass spectrometry....

CF - Fyzikální chemie a teoretická chemie

  • 2008
  • Jx
Result

Oxygen-Isotope Exchange between CO2 and Solid Ti18O2

The light-induced oxygen-isotope exchange between gaseous CO2 and solid (TiO2)-O-18 (anatase) and the spontaneous thermal isotope exchange that takes place content of (COO)-O-16-O-18. The rate of oxygen-isotope...

CF - Fyzikální chemie a teoretická chemie

  • 2011
  • Jx
  • Link
Result

Oxygen-isotope labeled titania: Ti18O2

O-18-isotope labelled titania (anatase, rutile) was synthesized. The products were characterized by Raman spectra together with their quantum chemical modelling. The interaction with carbon dioxide was investigated using high-resolution FTIR...

CG - Elektrochemie

  • 2011
  • Jx
  • Link
Result

Spontaneous Oxygen Isotope Exchange between Carbon Dioxide and Oxygen-Containing Minerals: Do the Minerals "breathe" CO2?

The spontaneous isotopic exchange of oxygen atoms between dry powdered Ti16O2-surface oxygen isotope mobilities can be explained by two mechanisms: the cluster-like assigned and then used for quantification of the ...

CF - Fyzikální chemie a teoretická chemie

  • 2016
  • Jx
  • Link
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