But an unexpected fact was noted: certain minerals( pitchblende, chalcolite, autunite) had a greater activity than might be expected on the basis of their uranium or thorium content.
但是一个意外的事实引起了我的注意：某
矿物质(青铀矿物质、铀云母或钙铀云母)活
据其铀或针含量所判断的要高。
词条纠错
X
pitchblende
n. 沥青油矿
近义词
n.联想词
的;We found that pitchblende contains at least two radioactive materials, one of which, accompanying bismuth, has been given the name polonium, while the other, paired with barium, has been called radium.
我们发现沥青铀矿物中至少含有两种放射物质：与铋伴生的命名为钋，与钡伴生的命名为镭。
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相似单词
pitch into, pitch pine, pitch pipe, pitch-and-toss, pitch-black, pitchblende, pitchblock, pitchboard, pitch-damper, pitch-dark,
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