Results 291 to 300 of about 912,361 (332)

Nitrogen Isotopes Suggest Sex-Based Diet Differences on the Breeding Grounds for a Sexually Monomorphic Migratory Passerine. [PDF]

Ecol Evol
Iverson AR, Cormier RL, Humple DL, Hahn TP, Schaefer J, Hull EM, Sakai WH, Simard-Provençal S.   +7 more
europepmc   +1 more source

Rare earth element nucleosynthetic anomalies and dust transport in the protoplanetary disk. [PDF]

Sci Adv
Hu JY, Tissot FLH, Marquez RTC, Shorttle O, Clarke CJ, Sellek AD, Dauphas N, Charlier BLA, Leya I, Yokochi R, Ireland TJ, Williams HM.   +11 more
europepmc   +1 more source

Geochemical study on nitrogen isotope composition, speciation distribution, and influencing factors of vitrinite-rich coal seams during the Late Carboniferous. [PDF]

Sci Rep
Wu D, Zhao L, Li B, Kataza NN.
europepmc   +1 more source

Ru and W isotope systematics in ocean island basalts reveals core leakage. [PDF]

Nature
Messling N, Willbold M, Kallas L, Elliott T, Fitton JG, Müller T, Geist D.   +6 more
europepmc   +1 more source

Myocardium-to-cavity ratio derived from simultaneous ^99mTc-PYP/²⁰¹Tl dual-isotope SPECT imaging to differentially diagnose transthyretin cardiac amyloidosis. [PDF]

EJNMMI Rep
Yamashita S, Nakajima K, Kitano T, Kato H, Yoneyama T, Yamamoto H, Yokoyama K.   +6 more
europepmc   +1 more source

TERMINOLOGY OF ISOTOPES

Science, 1934
openaire   +3 more sources

Validation of simulated training sets using a convolutional neural network for isotope identification in urban environments. [PDF]

PLoS One
Lee-Brewin L, Holden R, Shenton-Taylor C.   +2 more
europepmc   +1 more source

Table of Isotopes [PDF]

, 1985
openaire   +3 more sources

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Silicon Isotopes

2011
International ...
André, Luc, Cardinal, Damien
openaire   +3 more sources

Isotopic catalysis and isotopic analysis

Russian Journal of Physical Chemistry B, 2013
Isotopes with magnetic nuclei accelerate the biochemical reactions of adenosine triphosphate synthesis by a factor of two to three. An isotope effect in which isotopes are preserved in the reaction system is known as isotopic catalysis. It has been revealed in enzymatic reactions catalyzed by magnesium, zinc, and calcium ions.
Yu. A. Karpov, Anatoly L. Buchachenko, S. E. Arkhangel’skii, G. G. Glavin, D. A. Kuznetsov   +4 more
openaire   +2 more sources