单词
pitchblende
读音
ˈpɪtʃˌblend
美式
英式
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释义
n. [矿物] 沥青铀矿
例句
The radiometric age of pitchblende is 109-108 m.
沥青铀矿的同位素年龄为108—109百万年。
The pitchblende is the chief industrial mineral.
沥青轴矿是主要工业矿物。
Uranium mineral is pitchblende which was formed in Lower Proterozoic.
铀矿物主要为沥青铀矿，形成于早元古代。
The radiometric age of pitchblende is 109-108 m.
沥青铀矿的同位素年龄为108—109百万年。
The pitchblende is the chief industrial mineral.
沥青轴矿是主要工业矿物。
Uranium mineral is pitchblende which was formed in Lower Proterozoic.
铀矿物主要为沥青铀矿，形成于早元古代。
强化记忆
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By 1902, the Curies had extracted a tenth of a gram of pure radium chloride saltfrom several tons of pitchblende,an incredible feat at the time.
and helped to disprove the long-standing model of atoms as indivisible objects.Next, by focusing on a super radioactive ore called pitchblende,the Curies realized that uranium alone couldn't be creating all the radiation.
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