Results 21 to 30 of about 60,175,050 (353)

Evaluation of neutron-induced activation gamma-rays creation and transport in a LaBr3 inorganic scintillator with PHITS [PDF]

open access: yesEPJ Web of Conferences, 2023
In the framework of its R&D activities to support the metal industry, the Laboratory for Integration of Systems and Technology of CEA Paris-Saclay started studies with the aim of characterizing scrap metal by means of neutron activation analysis.
Besnard-Vauterin C.   +4 more
doaj   +1 more source

Improving the uniformity of the gamma production rate distribution with depth in a large biological sample for an IVNAA facility [PDF]

open access: yesNuclear Technology and Radiation Protection, 2009
The design studies related to a prompt γ-rays in vivo neutron activation analysis facility are described. The designs were based on two neutron sources: 252Cf and 241Am-Be, four collimator materials: polyethylene, 5% boric-acid doped polyethylene ...
Hakimabad Miri Hashem   +1 more
doaj   +1 more source

DTA/TG analysis of mechanochemicaly activated sodium carbonate [PDF]

open access: yesPodzemni Radovi, 2021
Sodium carbonate is a material that is very good sorbent of carbon dioxide from the atmosphere, and it is a reason of it is increasing importance in environmental protection.
Đorđević Nataša G.   +3 more
doaj   +1 more source

Elemental Composition of Infusions of Herbs (Tisanes) of North Ossetia (the Caucasus)

open access: yesAgriculture, 2021
Herbal infusions are consumed worldwide owing to their beneficial properties. Cultivated or obtained from the wild, herbal raw plant materials may contain trace elements at various levels.
Yuliya Lavrinenko   +8 more
doaj   +1 more source

Characterization of PM10 Sampled on the Top of a Former Mining Tower by the High-Volume Wind Direction-Dependent Sampler Using INNA

open access: yesAtmosphere, 2020
The PM10 concentrations in the studied region (Ostravsko-karvinská agglomeration, Czech Republic) exceed air pollution limit values in the long-term and pose a significant problem for human health, quality of life and the environment.
Irena Pavlíková   +5 more
doaj   +1 more source

Nuclear fusion waste classification of K-DEMO under the Korean radioactive waste regulations

open access: yesNuclear Fusion, 2022
The nuclear fusion waste generated by the activation of the constitutent components of the Korean fusion DEMOnstration reactor (K-DEMO) is assessed after the end of life (EOL).
Byung Chul Kim
doaj   +1 more source

The Influence of Manganese on Growth Processes of Hordeum L. (Poaceae) Seedlings

open access: yesPlants, 2021
Manganese, as one of the xenobionts, belongs to the group of heavy metals, which, in high concentrations, can negatively affect the development of plants. In small concentrations, it is necessary for plants for normal growth and development.
Kirill Tkachenko   +2 more
doaj   +1 more source

ARC reactor materials: Activation analysis and optimization

open access: yes, 2020
Nowadays, Fusion Energy is one of the most important sources under study. During the last years, different designs of fusion reactors were considered. At the MIT, an innovative design was created: ARC, the Affordable Robust Compact reactor.
B. Bocci   +5 more
semanticscholar   +1 more source

Factors conditioning the content of chemical elements in soil and mosses in Armenia

open access: yesJournal of Trace Elements and Minerals, 2022
In this research, chemical element contents were determined using the Epithermal neutron activation analysis (Cr, V, Ti, Sr, Rb, As, Zn, Co, Fe, Mn and Ba) and atomic-absorption spectrometry (Cu and Pb) for mosses and X-ray fluorescence spectroscopy (Cr,
Gevorg Tepanosyan   +3 more
doaj   +1 more source

Convergence Analysis of Two-layer Neural Networks with ReLU Activation [PDF]

open access: yesNeural Information Processing Systems, 2017
In recent years, stochastic gradient descent (SGD) based techniques has become the standard tools for training neural networks. However, formal theoretical understanding of why SGD can train neural networks in practice is largely missing. In this paper,
Yuan-Zhi Li, Yang Yuan
semanticscholar   +1 more source

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