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性物质:
铋伴生的命名为
,
伴生的命名为镭。
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He examined him and whispered to me that the sickness was a consequence of digesting too many moose and roosters I and the only cure was a costly injection of aspirin, herbs and radium along with consistent nutrition.
他检查过之
小声告诉我说,这种病是由于消化了(吃了)太多驼鹿和公鸡的结果,唯一的治
方法就是要注射昂贵的阿司匹林、草药和镭射
法,同时还要坚持补充营养。
些改变世界的女性
畅学课堂
些改变世界的女性
畅学课堂
些改变世界的女性
些改变世界的女性