锕系元素

A member of the actinide series of transition elements, it is the most important transuranium element because of its use in certain types of nuclear reactors and in nuclear weapons.

锕系过渡元素及其化合物，是最重要的超铀元素，用作核反应堆燃料和核子武器装料。

A member of the actinide series of transition elements, it is the most important transuranium element because of its use in certain types of nuclear reactors and in nuclear weapon s.

锕系过渡元素及其化合物，是最重要的超铀元素，用作核反应堆燃料和核子武器装料。

Thorium along with uranium (U belongs to the actinide group of chemical elements.

钍(16日)同铀(U所属的77锕系元素。

In the sub-critical fast reactor core, the inner 7 subassemblies of CDFR were replaced with lead target subassembly, the control rod subassemblies were replaced with the subassemblies which contain MA and depleted uranium, and the radial blanket of CDFR were replaced with reflect subassembly.

次临界快堆堆芯在示范快堆堆芯基础上去掉中间7盒组件放置铅靶组件，控制棒组件用含贫铀和次锕系元素的组件代替，转换区组件用反射层组件代替。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。