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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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