[lang name="English"]threshold fissioning material — пороговое делящееся вещество
[lang name="English"]base material — основное вещество; основа; материал подложки
[lang name="English"]reactor-produced material — полученное в реакторе вещество
[lang name="English"]non-hydrogenous material — не содержащее водород вещество
[lang name="English"]friction-reducing material — вещество, уменьшающее трение
English-Russian dictionary on nuclear energy. 2015.
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