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Basic study on permeation and inventory of hydrogen isotopes in plasma-facing metals
, 1994 openaire +1 more source
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Journal of Nuclear Science and Technology, 2002
In the fuel cycle system of the ITER, a large fraction of tritium inventory is expected to be in the cryogenic distillation columns of the hydrogen isotope separation system (ISS). Therefore, the numerical estimation method of hydrogen isotopes inventory in the ISS with high precision is strongly required from safety point of view.
Yasunori Iwai +2 more
exaly +4 more sources
In the fuel cycle system of the ITER, a large fraction of tritium inventory is expected to be in the cryogenic distillation columns of the hydrogen isotope separation system (ISS). Therefore, the numerical estimation method of hydrogen isotopes inventory in the ISS with high precision is strongly required from safety point of view.
Yasunori Iwai +2 more
exaly +4 more sources
An update of the Pb isotope inventory in post leaded-petrol Singapore environments [PDF]
Environmental Pollution, 2018 Pb is a trace metal that tracks anthropogenic pollution in natural environments. Despite recent leaded petrol phase out around Southeast Asia, the region's growth has resulted in continued exposure of Pb from a variety of sources. In this study, sources of Pb into Singapore, a highly urbanised city-state situated in the central axis of Southeast Asia ...
Gonzalo Carrasco +2 more
exaly +6 more sources
MOX fuel effects on the isotope inventory in LWRs
Nuclear Engineering and Design, 2012Abstract Although today in most of the nuclear power reactors UO2 fuel is used, currently about 40 reactors in Europe are licensed to use MOX, and over 30 are making use of this right. While the typical isotopic compositions (mostly including only the minor actinides and the major fission products) of MOX fuel is well known and described in the ...
S. Fehér, T. Reiss, A. Wirth
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Nonanalog Implementations of Monte Carlo Isotopic Inventory Analysis
Nuclear Science and Engineering, 2007Three variance reduction techniques for the ongoing development of Monte Carlo isotopic inventory analysis are implemented as alternatives to improve the precision of Monte Carlo simulations. The Forced Reaction technique is designed to force an atom to undergo a predefined number of reactions in a given control volume.
Phiphat Phruksarojanakun +1 more
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Nitrogen isotopic inventory of the Lena River Delta 
2022<p>Permafrost-affected soils around the Arctic Ocean contain a large reservoir of organic matter including nitrogen, which partly reach the river after thawing, degradation and erosion of permafrost. After mobilization, reactive remineralised nitrogen is either used for primary production, microbial processing or is simply transported to ...
Tina Sanders +6 more
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DESIGN PROCEDURE FOR MINIMUM TRITIUM INVENTORY IN AN ISOTOPE DISTILLATION UNIT
1993This paper deals with designing of cryogenic distillation processes for the separation of hydrogen isotopes in a fusion process. The design must satisfy a minimum tritium inventory criterion. A general methodology for an automatic and optimal design in structure and operating conditions is here presented.
L. BOISSET-BATICLE +4 more
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Erosion and exhumation in the Himalaya from cosmogenic isotope inventories of river sediments
Earth and Planetary Science Letters, 2003The outward erosional flux is a key factor in the tectonic evolution of mountain belts and there is much debate about the feedbacks between tectonics, erosion and climate. Here we use cosmogenic nuclides (10Be and 26Al) analysed in quartz from river sediments from the Upper Ganges catchment to make the first direct measurements of large-scale erosion ...
Vance, D +3 more
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Hydrogen isotope inventories in the ASDEX Upgrade tungsten coated divertor tiles
Journal of Nuclear Materials, 1999The total hydrogen isotope inventories in the tungsten coated divertor tiles of ASDEX-Upgrade were measured by thermal desorption spectroscopy (TDS) and - in the near surface region - by nuclear reaction analysis (NRA). The highest amounts of deuterium (≤ 5 x 10 22 D/m 2 ) are measured in the inner divertor region outside the separatrix due to the ...
D Schleußner +8 more
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