网站首页英语单词pitchblende是什么意思

pitchblende

英[\'pɪtʃblend]
美[\'pɪtʃˌblend]

基本释义

n.
沥青油矿; 非晶铀矿

实用例句

Pitchblende and chalcolite are much more radioactive than uranium itself.

沥清铀矿和铜铀云母比纯铀的放射性强得多.

辞典例句

英英释义

Noun

  • 1. 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

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