Stable isotope relationships between apatite phosphate ( δ 18 O), structural carbonate ( δ 18 O, δ 13 C), and collagen ( δ 2 H, δ 13 C, δ 15 N, δ 34 S) in modern human dentine
نویسندگان
چکیده
منابع مشابه
Detecting Omnivory with Δ Δ 15 N
is no unambiguous evidence that plumicolous feather mites chew holes in feathers; such damage is usually caused by feather lice. Also, it has been reported that feather mites of the great-spotted woodpecker (Dryobates major) and the hoopoe (Upupa epops) avoid white spots on the feathers and instead aggregate on melanized areas 5. Thus, as we stressed in our review 3 , extrapolating from lice to...
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We present a novel approach for nitrogen (δ(15)N) and oxygen (δ(18)O) isotopic analysis of nitrate in water based on the isotopic analysis of N2O produced from the conversion of NO3(-) by cultured denitrifying bacteria and off-axis integrated cavity output spectroscopy (OA-ICOS). The headspace N2O was manually injected into an OA-ICOS isotopic N2O laser analyzer through a syringe septum port. S...
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a Joint Institute for the Study of the Atmosphere and Ocean, University of Washington, Seattle, WA, USA b Department of Geosciences, Mississippi State University, Mississippi State, MS, USA c Earth and Environmental Sciences and Lamont-Doherty Earth Observatory of Columbia University, New York, NY, USA d Department of Geological Sciences, University of Oregon, Eugene, OR, USA e Auke Bay Laborat...
متن کاملDirichlet Heat Kernel Estimates for Δ +δ
For d ≥ 1 and 0 < β < α < 2, consider a family of pseudo differential operators {Δ + aΔ; a ∈ [0,1]} on R that evolves continuously from Δ to Δ + Δ. It gives arise to a family of Lévy processes {X, a ∈ [0,1]} on R, where each X is the independent sum of a symmetric α-stable process and a symmetric β-stable process with weight a. For any C open set D ⊂R, we establish explicit sharp two-sided esti...
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ژورنال
عنوان ژورنال: Rapid Communications in Mass Spectrometry
سال: 2020
ISSN: 0951-4198,1097-0231
DOI: 10.1002/rcm.8674