Results 211 to 220 of about 241,523 (262)

Chromium isotopic anomalies in the Allende meteorite

The Astrophysical Journal, 1986
openaire   +1 more source

Development of CCMb: A Low‐Mg Calcite Reference Material for In Situ Measurement of δ18O, δ13C and Selected Trace Elements

Geostandards and Geoanalytical Research, Volume 50, Issue 3, Page 677-700, September 2026.
Key Points Low‐Mg calcite RM developed for in situ microanalysis applications in palaeoclimatology (δ18O, δ13C; Mg, Sr m/m). New data for calcite CRM IAEA‐603 (δ18O, δ13C by SIMS and GS‐IRMS; Mg m/m). No detectable IMF effect of Mg on SIMS δ18O determinations for mass fractions < 3650 μg g‐1.
Andreas T. Hertwig, Maciej G. Śliwiński, Irene Cantarero, Richard A. Stern, Carles Fàbrega, Jakub T. Śliwiński, Thomas Ludwig, František Majs, William Nachlas, John H. Fournelle, Xavier Llovet, Rachelle B. Turnier, David Parcerisa, Anna Travé   +13 more
wiley   +1 more source

Using radiochemistry to diagnose fuel-ablator mix in inertial confinement fusion studies at the National Ignition Facility: measurement of Tc/Mo isotopic ratios for the Pushered Single Shell campaign. [PDF]

Front Chem
Kmak KN, Despotopulos JD, Huynh TL, Sammis BN, Thomas K, Wooddy T, Dewald EL, MacLaren SA.   +7 more
europepmc   +1 more source

Multi-Country Study of Stable Isotopes and Mineral Elements in European Pork. [PDF]

Foods
Pinna A, Fragni R, Virgili R, Loffi C, Revilla I, Vivar-Quintana AM, Sell-Kubiak E, Ludwiczak A, Zaworska-Zakrzewska A, Hviid MS, Reyes-Palomo C, Sanz-Fernández S, Bertolini A, Garavaldi A, Ferrari P.   +14 more
europepmc   +1 more source

The Fading Art of Microsphere-Derived Measurement of Absolute Myocardial Blood Flow. [PDF]

Ann Nucl Cardiol
Christian TF.
europepmc   +1 more source

Nail Amino Acid and Trace Element Profiles and Their Association with Clinical Severity in Nail Psoriasis. [PDF]

Clin Cosmet Investig Dermatol
Özen T, Gürel MS, Erdem O, Özçelik D, Pastacı Özsobacı N, Selek Ş, Köktaşoğlu F.   +6 more
europepmc   +1 more source

Resurrected nitrogenases recapitulate canonical N-isotope biosignatures over two billion years. [PDF]

Nat Commun
Rucker HR, Bubphamanee K, Harris DF, Konhauser K, Seefeldt LC, Buick R, Kaçar B.   +6 more
europepmc   +1 more source

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Chromium cycle in Red Soil Critical Zone constrained by chromium isotopes

Science of the Total Environment
Chromium (Cr) isotopic system has been used to trace Cr pollution in the modern surface environment and redox change in the paleoenvironment. However, the transformation mechanism of Cr in soil and the accompanied Cr isotopic fractionation have not been clarified clearly.
Ziyao Fang, Liping Qin
exaly   +3 more sources

Spin-isospin transitions in chromium isotopes within the quasiparticle random phase approximation

Advances in Space Research, 2015
Beta decay and electron capture on isotopes of chromium are advocated to play a key role in the stellar evolution process. In this paper we endeavor to study charge-changing transitions for 24 isotopes of chromium ( 42-65
Sadiye Cakmak, Jameel-Un Nabi
exaly   +2 more sources

Chromium Isotopes and the Fate of Hexavalent Chromium in the Environment

Science, 2002
Measurements of chromium (Cr) stable-isotope fractionation in laboratory experiments and natural waters show that lighter isotopes reacted preferentially during Cr(VI) reduction by magnetite and sediments. The 53 Cr/ 52 Cr ratio of the product was 3.4 ± 0.1 per mil less than that of the ...
Andre S, Ellis, Thomas M, Johnson, Thomas D, Bullen   +2 more
openaire   +2 more sources