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- actino uranium decay series 锕铀衰变系
- uranium decay series 铀蜕变系
- Uranium and fluorspar miners are exposed at ery high leels to the inert gas, radon, that is a byproduct or uranium decay. 铀和氟矿在例如其副产品或铀衰退后产生的氡之类的稀有气体中的辐射程度非常之高。
- In this case the geologists drilled into the stalagmites and estimated their age from the way that uranium decays into an isotope of thorium. 地质学家在石笋上钻孔,使用铀衰变成钍的同位素的方法确定它们的年龄。
- a radioactive decay series; the paraffin alkane series. 放射性蜕变的系列;链烷烃系列
- Uranium decays into lead. 引进铀的衰退期。
- What made the Roman Empire decay? 罗马帝国为何衰亡?
- The parent uranium has been partitioned from its decay products. 铀母体与其衰变产物分离。
- A proof of the secular equilibrium formula in radioactive cascade decay series 放射性递次衰变系列中长期平衡公式的证明
- Old civilization may fall into decay. 古老的文化可能会渐渐衰落下去。
- The empty house has fallen into decay. 那座空房已成一片颓垣。
- The tree exhibited signs of decay. 那棵树显示腐蛀的迹象。
- A series of provocations led up to the border war. 一系列的挑衅事件导致了边境战争的发生。
- Radium and uranium are radioactive elements. 镭和铀是放射性元素。
- He rapped out a series of curt commands. 他大声发出了一连串简短的命令。
- His mental decay is distressing. 他的智力衰退令人苦恼。
- Growth and decay are vital processes. 生长和衰亡是生命过程。
- Her story was nothing but a series of fabrications. 她说的完全都是编造的。
- The dentist could detect no decay in her teeth. 牙医检查了她的牙,未见有龋齿。
- Cavities in teeth are caused by decay. 牙齿的蛀洞是由蛀蚀造成的。