Hydrogen and Oxygen Isotopic Fractionation During Heterotrophic Cellulose Synthesis

1992 ◽  
Vol 43 (1) ◽  
pp. 47-50 ◽  
Author(s):  
YAO-HUA LUO ◽  
LEONEL DA SILVEIRA LOBO STERNBERG
Keyword(s):  
Isotopic Fractionation ◽  
Cellulose Synthesis ◽  
Oxygen Isotopic

Isotopic fractionation during cellulose synthesis in two mangrove species: Salinity effects

1992 ◽  
Vol 31 (8) ◽  
pp. 2623-2626 ◽  
Author(s):  
Naomi Ish-Shalom-Gordon ◽  
Guanghui Lin ◽  
Leonel da Silveira Lobo Sternberg
Keyword(s):  
Isotopic Fractionation ◽  
Cellulose Synthesis ◽  
Mangrove Species ◽  
Salinity Effects

Oxygen isotopic fractionation between drip water and speleothem calcite: A 10-year monitoring study, central Texas, USA

2012 ◽  
Vol 304-305 ◽  
pp. 53-67 ◽  
Author(s):  
Weimin Feng ◽  
Jay L. Banner ◽  
Amber L. Guilfoyle ◽  
MaryLynn Musgrove ◽  
Eric W. James
Keyword(s):  
Isotopic Fractionation ◽  
Drip Water ◽  
Monitoring Study ◽  
Central Texas ◽  
Oxygen Isotopic

scholarly journals Effect of increased metabolic rate on oxygen isotopic fractionation

1992 ◽  
Vol 89 (3) ◽  
pp. 319-327 ◽  
Author(s):  
Stefania Zanconato ◽  
Dan M. Cooper ◽  
Yaacov Armon ◽  
Samuel Epstein
Keyword(s):  
Metabolic Rate ◽  
Isotopic Fractionation ◽  
Oxygen Isotopic

scholarly journals Oxygen isotopic fractionation in TiO2 polymorphs (rutile, anatase, brookite) estimated from “first principles”

2019 ◽  
Vol 489 (1) ◽  
pp. 62-64 ◽  
Author(s):  
D. P. Krylov ◽  
A. B. Kuznetsov
Keyword(s):  
Density Functional Theory ◽  
First Principles ◽  
Density Functional ◽  
Isotopic Fractionation ◽  
Functional Theory ◽  
The Density Functional Theory ◽  
Coexisting Phases ◽  
Oxygen Isotopic

Temperature relations of b-factors for 18O/16O substitutions in TiO2 polymorphs have been determined using the density functional theory (DFT): 1000lnbrt(18O/16O) = 6,93039x - 0,08158x2 + 0,00116x3 + 0,08305*P, 1000lnbant(18O/16O) = 7,34275x - 0,09906x2 + 0,00153x3 + 0,08027*P, 1000lnbbrk(18O/16O) = 7,19088x - 009157x2 + 0,00139x3 + 0,07601*P, x = 106/T(K)2, P - pressure (GPa). The relations can be applied for isotope thermometry if combined with -factors of coexisting phases.

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