نتایج جستجو برای: tourmaline

تعداد نتایج: 413  

Journal: :Acta Crystallographica Section A Foundations of Crystallography 2011

Journal: :Journal of the Mineralogical Society of Japan 1953

Journal: :Journal of the Society of Powder Technology, Japan 2015

A. Amiri, F. Rahmani, M. Baradaran-Ghahfarokhi, M.A. Mosleh Shirazi, S. Jarideh, S.M.J. Mortazavi, S.M.R. Aghamiri,

Background: High density concrete is extensively used for efficient radiation attenuation in radiotherapy rooms and nuclear reactors. Over the past eight years, some efficient galena-based concrete samples for shielding X or gamma rays was produced. The goal of this study was to produce a novel high density concrete against neutron and photon radiations using tourmaline and galena. Materials an...

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