A STUDY WITH ISOTOPIC NITROGEN OF PROTEIN METABOLISM IN DETACHED RUNNER‐BEAN LEAVES [PDF]
Albert Charles Chibnall, G. H. Wiltshire
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Reconstructing breastfeeding and weaning practices in the Bronze Age Near East using stable nitrogen isotopes. [PDF]
Stantis C, Schutkowski H, Sołtysiak A.
europepmc +1 more source
Carbon and nitrogen isotope fractionation of amino acids in an avian marine predator, the gentoo penguin (Pygoscelis papua) [PDF]
Kelton W. McMahon +4 more
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Effect of Isotopic Nitrogen Exchange on NTO Molecule-A DFT Approach
Lemi Türker
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Determining nitrogen isotopes discrimination under drought stress on enzymatic activities, nitrogen isotope abundance and water contents of Kentucky bluegrass. [PDF]
Saud S +5 more
europepmc +1 more source
Nitrogen Transport Pathways and Source Contributions in a Typical Agricultural Watershed Using Stable Isotopes and Hydrochemistry [PDF]
Zhi Tang +10 more
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Research on Production of 15N Isotope with N2 by Gas Diffusion Method
There are two natural stable isotopes of nitrogen, 14N and 15N, with isotopic abundances of 99.636% and 0.364%. 15N is widely used in research and analysis in atmospheric tracing, agricultural and forestry research, and origin tracing.
HAN Yilun, ZHOU Mingsheng, WANG Fei
doaj +1 more source
Nitrogen isotopic evidence for a poleward decrease in surface nitrate within the ice age Antarctic
Rebecca S. Robinson, Daniel M. Sigman
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