查询词典 radioactive

Based upon monitoring results of radioactive materials in tunnel excavation construction in Qinling Tunnel the intensity of radioactivity and distribution regularities is summarized, meanwhile, preliminary assessment and research are conducted for radiation hazard and protection.

结合西康线秦岭特长隧道Ⅱ线平导开挖过程中对隧道放射性物质监测结果，针对隧道内放射性强度、分布规律进行了归纳、总结，并就其辐射危害及防护进行了初步评价和研究。

The point of the experiment is that radioactive decay is a quantum process.

这个实验的关键点是放射性衰变是一个量子过程。

The point of the experiment is that radioactive decay is a quantum proces s.

这项实验的关键因素在于放射性衰变是一个量子过程。

The half-life is the time taken for half of the atoms of a radioactive substance to decay.

的半衰期是花费的时间为半原子的放射性物质腐烂。

Radioactive decay of radium-226, found in a wide variety of rocks and soil.

这种氡可以在很多种类的石头和土壤中找到。

Radon is a gas that comes from the radioactive decay of radium in rocks.

氡是来自岩石中镭辐射衰变而产生的一种气体。

Its stable isotope s are all end products of radioactive decay of uranium and other heavy elements.

其稳定的同位素为铀和其它重金属放射衰变后的最终产物。

Its stable isotopes are all end products of radioactive decay of uranium and other heavy elements.

其稳定的同位素为铀和其它重金属放射衰变后的最终产物。

It had been used for practical ends, to identify elements and to unravel radioactive decay chains.

已将其用于实践的目的，去鉴别元素和阐明放射性衰变系。

However, some of the minerals contain xenon isotope s unlike those usually produced by radioactive decay of uranium

然而，有些含氙同位素的矿物并非如此，是由铀的放射性衰变产生的。

Yet, Edith says, there was always money in the bank.

但是Edith说，她的银行户口里面总是有钱。

We have created a series of files that resolve this problem--one for each day of the 40 days of purpose.

我们制作一系列的档案去解决这问题---一个为标竿40天中的每一天。