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  1. 81
    Van de Graaff based positron source production
    by Lund, Kasey Roy
    Published 2015
    “... to produce an intense beam of positrons. 13N is an isotope of nitrogen that decays with a 10 minute half life...”
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  2. 82
    Relationship Between Belowground Carbon Allocation and Nitrogen Uptake in Saplings Varies by Plant Mycorrhizal Type
    by Adrienne B. Keller, Richard P. Phillips
    Published 2019-12-01
    “... saplings of nine species in soils enriched in isotopically-labeled nitrogen (N) and after several months...”
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    Article
  3. 83
    Nitrogen mineralization in soils amended with sunnhemp, velvet bean and common bean residues
    “... the legume plants were determined by isotope dilution. Nitrogen from the velvet bean accounted for a greater...”
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    Article
  4. 84
    Development of a multiple-pass Raman spectrometer for flame diagnostics
    by KC, Utsav
    Published 2013
    “... in the polarizability matrix elements, and the presence of a rare isotope of nitrogen in air. The uncertainty...”
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  5. 85
    A study of the chemistry of nitrogen mustard by N.M.R. spectroscopy
    by Kebbell, Michael James
    Published 1984
    “...- ethyl)-N-methylanamine is described and a general synthesis of isotopically enriched nitrogen mustards...”
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  6. 86
    Reconstructing Nitrogen Sources to Earth’s Earliest Biosphere at 3.7 Ga
    “... and/or high-energy photochemical reactions in the early atmosphere may have contributed isotopically light...”
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    Article
  7. 87
    Trophic effects on nutrient cycling
    by Ngai, Zoology
    Published 2008
    “... present, the flow of stable isotope-labeled nitrogen from detritus to bromeliads was statistically...”
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  8. 88
    Trophic effects on nutrient cycling
    by Ngai, Zoology
    Published 2008
    “... were present, the flow of stable isotope-labeled nitrogen from detritus to bromeliads...”
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  9. 89
    Nitrogen nutrition of Alexandrium tamarense : using δ¹⁵N to track nitrogen source used for growth
    by Smith, Christa Belle
    Published 2009
    “... - with different ‰ values and 2) the presence of an unidentified, isotopically-light, nitrogen blank in the low...”
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  10. 90
    Nitrogen Transport and Connectivity in two Wetland-Rich Boreal sites in the Athabasca Oil Sands Region, Canada
    by Cherry, Mikaela
    Published 2016
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  11. 91
    Trophic effects on nutrient cycling
    by Ngai, Zoology
    Published 2008
    “... present, the flow of stable isotope-labeled nitrogen from detritus to bromeliads was statistically...”
    Get full text
    Others
  12. 92
    Development and application of nitrogen-14 solid-state NMR for the analysis of biological molecules
    by Jarvis, James
    Published 2015
    “... and 15N. However, there is a >99% naturally abundant, NMR active, isotope of nitrogen, 14N, which has a...”
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  13. 93
    Origine des fractionnements isotopiques de l'azote et des gaz rares dans les météorites et les atmosphères planétaires
    by Kuga, Maïa
    Published 2014
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  14. 94
    Carbon Isotope Discrimination and Nitrogen Isotope Values Indicate that Increased Relative Humidity from Fog Decreases Plant Water Use Efficiency in a Subtropical Montane Cloud Forest
    by Mosher, Stella G., M.S.
    Published 2015
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  15. 95
    Investigation of nutrient solutions for the hydroponic growth of plants
    by Seaman, Callie
    Published 2017
    “... isotopically-enriched nitrogen-15 KNO3 (98% labelled) as the only source of nitrogen. Plants were cropped...”
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  16. 96
    Unraveling the genetic architecture for carbon and nitrogen related traits and leaf hydraulic conductance in soybean using genome-wide association analyses
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    Article
  17. 97
    Nitrogen Uptake and Distribution in Oncidium Gower Ramsey
    by Yi-Ai Kuo, 郭宜靄
    Published 2012
    “... generations, present difficulties in nutrition research. In this study, the stable isotope of nitrogen...”
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  18. 98
    Intra-annual variability of carbon and nitrogen stable isotopes in suspended organic matter in waters of the western continental shelf of India
    “... of substantial amounts of isotopically light nitrogen by the diazotrophs, especially <i>Trichodesmium</i...”
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    Article
  19. 99
    The use of stable nitrogen and carbon isotopes to examine the sources, sinks and cycling of nitrogen in a small, artificially eutrophic Boreal lake
    “... of isotopically distinct nitrogen sources changes during the open water season. Limited data suggests...”
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  20. 100
    Rôle de la nutrition azotée dans le contrôle de l’allocation de la biomasse d’une vigne greffée : validation par marquage isotopique et modélisation
    by Lecourt, Julien
    Published 2013
    “... grapevine growth. Experimental work was conducted in a greenhouse to characterize by isotopic labeling...”
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