查询词典 radioactive

Nevertheless, major concerns have been raised about radiation hazard and safe disposal of radioactive waste.

虽然如此，放射线危险性及其废弃物是否安全处置常引起大眾关心。

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。

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。