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单词 pitchblende
释义
pitchblende
(once / 97681 pages)
n

WORD FAMILY
pitchblende
USAGE EXAMPLES
Pierre and Marie liked nothing better than weighing out a 100-gram sample of pitchblende and grounding it with a mortar and pestle.
Washington Post(Mar 03, 2013)
At St Ives, pitchblende is now being worked for radium.
Baring-Gould, S. (Sabine), Cornwall(2011)
It is a constituent of pitchblende, which is found in many places, but only in a small way.
Warder, George Woodward, The Universe a Vast Electric Organi...(2011)
n a mineral consisting of uranium oxide and trace amounts of radium and thorium and polonium and lead and helium; uraninite in massive form is called pitchblende which is the chief uranium ore
Syn|Hyper
uraninite
uranium ore
any ore from which uranium can be extracted
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