单词 | rotating crystal source |
释义 | rotating crystal source [`rō´tād·iŋ ¦krist·ǝl ´sȯrs] NUCLEONICS A source of ultracold neutrons in which neutrons are slowed down by reflection from the moving surface of a rotating mica crystal; only those neutrons which satisfy the Bragg condition for reflection from crystal planes are reflected. |
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