查询词典 thorium

In his device Brown reportedly confined the thorium in cardboard without any mention of sealing out air.

在他的装置，据报道，布朗只限于钍在纸板没有任何提及密封出来的空气。

The method has been used for the enrichment determination of trace thorium in water and wastewater with pretty satisfactory results.

此法用于富集测定水和废水中的痕量钍，结果相当满意。

However, the measurement error is still large, and there is an uncertainty of the estimate of initial abundance of thorium produced in the explosive event.

然而，测量误差仍大而且还有一个不确定的估计初始丰钍制造的爆炸事件。

235U enrichment of assemblies is proposed to improve for utilization of thorium in PWR .

建议提高组件的235U富集度，在压水堆上进行钍利用研究。

I measured the activity of a number of minerals; all of then~ that appear to be radioactive always contain uranium or thorium.

我测量了一些矿物的活性，所有显示放射性的物质均含有铀和针。

Radioactivity is the energy given off by rays from a few unstable elements such as uranium and thorium.

放射性是某些不稳定元素如铀和钍的射线放射出来的能量。

The produced thorium was radiochemically separated from the mixture of uranium and its reaction products.

用快速放射化学分离技术从铀及其反应产物的混合物中分离出Th同位素。

The average content of uranium and thorium contents in the branches can be seen as the background values of the rivers in this area.

而大部分受人类活动影响较小的支流河水中的铀钍含量要低得多，其平均值可作为该河流域的背景值。

It will also send information on the traces of the composition of the lunar surface apart from looking for atomic minerals such as thorium and uranium.

它也将信息发送的痕迹组成的月球表面除了寻找原子矿物，如钍和铀。

During manufacturing, thorium is evenly dispersed throughout the electrode.

在制造业、钍电极是均匀地分散在整个。

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。