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  1. 461

    Use of N Natural Abundance and N Species Concentrations to Assess N-Cycling in Constructed and Natural Coastal Wetlands by C. Marjorie Aelion, Melissa R. Engle, Hongbo Ma

    Published 2010-01-01
    “…Natural abundance of N stable isotopes used in combination with concentrations may be useful indicators of N-cycling in wetlands. …”
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    Article
  2. 462

    PEROVSKITE FROM SPURRITE-MERWINITE MARBLES OF THE KOCHUMDEK CONTACT AUREOLE: APPLICATION TO U-Pb DATING OF A THERMAL EVENT by A.S. Deviatiiarova, E.V. Sokol, S.N. Kokh, E.N. Nigmatulina

    Published 2022-06-01
    “…Perovskite is the main host for Th (up to 1550 ppm), U (up to 450 ppm), Ti, Zr, and LREEs (La + Ce + Pr + Nd); the element incorporation ratios are KTh = 516–870 and КU = 374. The U-Pb isotopic age of perovskite of 248.0 ± 7.2 Ma is in agreement with isotopic age values of traps of the Kuz’movsky complex.…”
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  3. 463

    Decomposition Analysis of Void Reactivity Coefficient for Innovative and Modified BWR Assemblies by Andrius Slavickas, Raimondas Pabarčius, Aurimas Tonkūnas, Gediminas Stankūnas

    Published 2014-01-01
    “…The obtained results indicate the influence of the most important isotopes to the void reactivity behaviour over a fuel burnup interval of 70 GWd/t for both UO2 and MOX fuels. …”
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    Article
  4. 464

    Development of simplified treatment methods for removal of Ra-226 and Ra-228 from sludge waste produced in natural gas processing plants by Ayman M. Sharaf, M.A. El-Nahal, Islam M. Nabil, I.H. Saleh, Mohamed Elsafi

    Published 2025-02-01
    “…The study proved that removing radium isotopes is increased by elevating the reagents concentration and sludge temperature. …”
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    Article
  5. 465

    Methane-rich gas emissions from natural geologic seeps can be chemically distinguished from anthropogenic leaks by Lisa J. Molofsky, Giuseppe Etiope, Daniel C. Segal, Mark A. Engle

    Published 2025-01-01
    “…Since the gas from these two sources can exhibit similar isotopic compositions, differentiating them using atmospheric observations is often challenging. …”
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    Article
  6. 466

    Closed Fuel Cycle and Minor Actinide Multirecycling in a Gas-Cooled Fast Reactor by W. F. G. van Rooijen, J. L. Kloosterman

    Published 2009-01-01
    “…The GCFR targets sustainability, which is achieved by the use of a closed nuclear fuel cycle where only fission products are discharged to a repository; all Heavy Metal isotopes are to be recycled in the reactor. In this paper, an overview is presented of recent results obtained in the study of the closed fuel cycle and the influence of the addition of extra Minor Actinide (MA) isotopes from existing LWR stockpiles. …”
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    Article
  7. 467

    The Effect of Water Chemistry on Thermochemical Sulfate Reduction: A Case Study from the Ordovician in the Tazhong Area, Northwest China by Hongxia Li, Chunfang Cai, Lianqi Jia, Chenlu Xu, Ke Zhang

    Published 2017-01-01
    “…Formation water chemistry, sulfate sulfur isotopes, and associated H2S contents and sulfur isotopes were measured from the Ordovician in Tazhong area, Tarim Basin. …”
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    Article
  8. 468

    Taphonomy as a Methodological Approach for the Study of Dog Domestication: Application to the Prehistoric Site of Peña Moñuz (Guadalajara, Spain) by Idoia Claver, Verónica Estaca-Gómez, Gonzalo J. Linares-Matás, Jesús Alberto Arenas-Esteban, José Yravedra

    Published 2025-01-01
    “…To address the questions related to the domestication process, researchers have employed a wide range of methodologies, including genetic, biomolecular, morphometric, paleontological, biometric, and isotopic analyses, as well as dental wear analysis to reconstruct paleodiets. …”
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    Article
  9. 469

    Early Devonian Slab Melting of the Proto-Tethys Ocean: Insights from Adakitic Granitoids in the Jiayuguan Area, Hexi Corridor (NW China) by Qigui Mao, Wenjiao Xiao, Rui Li, Songjian Ao, Dongfang Song, Miao Sang, Hao Wang, Zhou Tan

    Published 2024-12-01
    “…Their incompatible Hf and Nd isotopes could be caused by contamination between the source magma and continental crust during the emplacement processes. …”
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    Article
  10. 470

    Searching for incinerating the accumulated plutonium around the world by mixing it with thorium and using this mixture as a nuclear fuel in the CANDU-6 by A. Abdelghafar Galahom, Nassar Alnassar, Amr Ibrahim

    Published 2025-01-01
    “…This work investigates the possibility of getting rid of the accumulated plutonium around the world by mixing it with fertile materials and using it as a nuclear fuel for CANDU-6. Using plutonium isotopes with thorium as a nuclear fuel for CANDU-6 is a means of preventing the production of other Pu isotopes. …”
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    Article
  11. 471

    Metals in Fishes from Yongshu Island, Southern South China Sea: Human Health Risk Assessment by Zhai Wu, Ye Xu, Minggang Cai, Sha-Yen Cheng, Huorong Chen, Dongren Huang, Kai Chen, Yan Lin, Tianyao Li, Mengyang Liu, Hengxiang Deng, Minjie Ni, Hongwei Ke

    Published 2017-01-01
    “…Metals and stable Pb isotopes in their tissues (muscle, gill, liver, intestine, and ovary) were determined. …”
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    Article
  12. 472

    Explicit geodesic flow-invariant distributions using SL2(ℝ)-representation ladders by Alvaro Alvarez-Parrilla

    Published 2005-01-01
    “…An explicit construction of a geodesic flow-invariant distribution lying in the discrete series of weight 2k isotopic component is found, using techniques from representation theory of SL2(ℝ). …”
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  13. 473

    Antineutrino Flux from the Laguna Verde Nuclear Power Plant by Marisol Chavez-Estrada, Alexis A. Aguilar-Arevalo

    Published 2015-01-01
    “…We present a calculation of the antineutrino flux produced by the reactors at the Laguna Verde Nuclear Power Plant in México, based on the antineutrino spectra produced in the decay chains of the fission fragments of the main isotopes in the reactor core, and their fission rates, which have been calculated using the DRAGON simulation code. …”
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    Article
  14. 474

    Laboratory Measurement of CH317OH Transitions in the Frequency Range from 216 to 264 GHz for Astronomical Application by Akemi Tamanai, Takahiro Oyama, Yoshimasa Watanabe, Takeshi Sakai, Riouhei Nakatani, Shaoshan Zeng, Isabelle Kleiner, Nami Sakai

    Published 2025-01-01
    “…The ^12 CH _3 ^17 OH line data allow us to trace and constrain the isotopic ratio ^17 O/ ^18 O in methanol, which is efficient to investigate the galactic-scale evolution of elements. …”
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    Article
  15. 475

    ∆E/∆E Measurements of Energetic Ions Using CVD Diamond Detectors by Ahmed Alghamdi, Lawrence Heilbronn, Luis A. Castellanos, Eric Lukosi

    Published 2018-01-01
    “…In addition, simulations have demonstrated the ability to identify hydrogen isotopes using a diamond detection system.…”
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    Article
  16. 476

    Cattle on the rocks: Understanding cattle mobility, diet, and seasonality in the Iberian Peninsula. The Middle Neolithic site of Cova de les Pixarelles (Tavertet, Osona). by Roger Alcàntara Fors, Richard Madgwick, Laura C Viñas-Caron, Alexandra J Nederbragt, Maria Saña Seguí

    Published 2025-01-01
    “…This study uses bulk bone collagen carbon (δ13Ccoll) and nitrogen (δ15N) isotopes, and sequential analysis of enamel bioapatite oxygen (δ18O) and carbon (δ13Ccarb) isotopes to further enhance our understanding of animal management practices during the Middle Neolithic, providing new insights on the diet, mobility and reproduction patterns of cattle. …”
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    Article
  17. 477

    Potential Use of Bone Charcoal in the Removal of Antimony and Europium Radioisotopes from Radioactive Wastes by M.W. Abdel Raouf, A.A.M. Daifullah

    Published 1997-09-01
    “…Physical sorption was suggested to be the main mechanism operating for radioantimony isotopes with appreciably higher fixation on the sorbent when loaded from the liquid organic radwaste. …”
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    Article
  18. 478

    Assessment of contamination of natural waters with radionuclides and heavy metals the case of Karabulak creek at the Semipalatinsk Test Site. by Madina Dyussembayeva, Almira Aidarkhanova, Azhar Tashekova, Yerbol Shakenov, Vladimir Kolbin, Alyona Merkel, Fail Zhamaldinov, Natalya Larionova, Igor Gorlachev, Pavel Kharkin, Sergey Lukashenko, Yelena Yevlampiyeva

    Published 2025-01-01
    “…This paper presents research data on water contamination levels of artificial radionuclides and heavy metals in Karabulak Creek at the Semipalatinsk Test Site. The uranium isotopic composition has been studied (235U and 238U). …”
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    Article
  19. 479

    Low presence of potentially toxic elements in Singapore urban garden soils by Tiong Ann Goh, Sorain J. Ramchunder, Alan D. Ziegler

    Published 2022-09-01
    “…We also perform providence tracking with lead isotopes to identify potential sources of contaminants. …”
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    Article
  20. 480