francium

 
['frænsiəm]     ['frænsiəm]    
  • n. [化]钫
Fr
new

francium的英文翻译是什么意思,词典释义与在线翻译:

英英释义

Noun:
  1. a radioactive element of the alkali-metal group discovered as a disintegration product of actinium

francium的用法和样例:

例句

  1. The half-life of francium is 22 minutes.
    钫的半衰期是22分钟。
  2. Francium is the densest of the Alkali Metals and also radioactive.
    钫是碱金属中密度最大的,具有放射性。
  3. So little is known about it, because there is only about 1 ATOM OF FRANCIUM IN A CUBIC FOOT OF URANIUM ORE!
    对它所知甚少,因为在1立方英尺的铀矿石中,仅有1个钫原子!
  4. Even Francium's most stable isotope, Francium-223 only has a half-life of 22 minutes.
    钫的最稳定的同位素,钫-223也只有22分钟的半衰期。
  5. Because Francium is mainly only found synthetically in laboratory research, it has no known use outside of the laboratory.
    由于钫主要仅在实验室研究中产生,它在实验室外没有已知的用途。
  6. The half-life of francium is 22 minutes
    钫的半衰期是22分钟。

francium的相关资料:

近反义词

【近义词】
  • FR 故障率(=failure...

临近单词

今日热词
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