thorium

简写符号：

简写符号: Th

更多词形：

简写符号: Th |

单词例句：

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。

Followed by the slow decomposition of uranium to another element thorium.

铀元素随后缓慢分解为另一种元素钍。

KREEP rocks formed at the boundary of lunar crust and mantle, and natural radioactive thorium is one of the elements to demonstrate KRREP rocks distribution.

月球KREEP岩石形成于壳幔的分界层中,天然放射性元素Th是指示KREEP岩分布的主要元素之一。

I found in this way that of the other elements known, only the cornpounds of thorium behave like the compounds of uranium.

于是我发现在其他所有已知元素中，只有针化合物才有像铀化合物一样的特性。

Only very large number of quality as the nucleus of uranium, thorium, and so can a nuclear fission.

只有一些质量非常大的原子核像铀、钍等才能发生核裂变。

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.

除了探测以单质形式存在的钍和铀之外，它还将寻找化合物存在的踪迹。高分辨率的相机也搭载在该卫星上。

Subchannel analysis of fuel channels that load fresh Thorium fuel and spent Thorium fuel in TACR are presented,based on the program COBRA.

用COBRA程序对TACR中装载旧钍燃料和新钍燃料的燃料通道进行了子通道分析,揭示了TACR燃料通道在这两种堆芯装料情况下热工水力情况的异同。

This paper suggests a determination method of trace thorium in ores according to DBS-arsenazo and colour-reaction of thorium.

本文根据DBS-偶氮胂与钍的显色反应,提出了矿石中微量钍的测定方法。

Synthesis of fluorophosphonazo-DBF (FPA-DBF) and the study on its chromogenic reaction with rare earths, bismuth and thorium .

偶氮氟膦-DBF的合成及其与稀土、铋、钍显色反应的研究