查询词典 radioactive element

A highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium.

一种极不稳定的放射性元素，铀和钍腐烂的产物。

A highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium

a。 最多的；多数的，大部分的ad。最，最多；很，十分n。大多数，大部分a。最多的；多数的，大部分的

An agent, such as ultraviolet light or a radioactive element, that can induce or increase the frequency of mutation in an organism.

诱变剂有机体中的一种可诱发或者增加突变的次数的因子，如紫外线或放射性元素

Polonium is a highly radioactive element and a metalloid.

钋是高放射性的元素，金属。

In reality the proportion of the hypothetical element was far lower and it took several years to show unequivocally that pitchblende contains at least one highly-radioactive material which is a new element in the sense that chemistry attaches to the term.

实际上这种假设中的元素的浓度要小得多，我们花了几年时间才明确无误地证明沥青铀矿物质中至少含有一种高放射性物质，在化学意义上这就是一种新元素。

In July 1898, Madame Curie and her husband got a great success that they discovered the radioactive element, polonium.

1898年7月，居里夫人和她的丈夫获得了很大的成功—他们发现了放射性元素钋。

In July 1898, Madame Curie and her husband got a great success that they discovered the radioactive element, polonium, which Marie named after Poland.

1898年7月，居里夫人和她的丈夫取得了一项极大的成就-----他们发现了一种放射性元素，玛丽以波兰这一名称的字头命名它为钋。

And sure enough, only a few months later the decay of the atom nucleus in the radioactive element cobalt 60 revealed that it did not follow the principles of mirror symmetry.

几个月以后，利用放射性元素Co60的核衰变所做的实验表明镜像对称性不成立。

A radioactive element of the actinide series; found in uranium ores.

锕类的放射性元素，见于铀矿中。

Finally, the real prototypeof multi-channel intelligence isotope thickness gauge is introduced, using 241Am as a radioactive element.

最后，给出了以241Am低能γ射线源作为工作源所实现的多通道智能化同位素测厚仪的特性和应用范围。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。