thorium 是什么意思

中文翻译与英英解释

	n. 【化学】钍。

a soft silvery-white tetravalent radioactive metallic element; isotope 232 is used as a power source in nuclear reactors; occurs in thorite and in monazite sands
同义词：Th, atomic number 90,

Thorium is a naturally occurring radioactive chemical element with the symbol?Th and atomic number?90. It was discovered in 1828 by the Norwegian mineralogist Morten Thrane Esmark and identified by the Swedish chemist J?ns Jakob Berzelius and named after Thor, the Norse god of thunder.

例句与用法

	1.	Marie found another called thorium . 玛丽发现了另一种物质，叫钍。
	2.	They recognized that in a thorium province pb208 would present complications . 他们承认，含钍区内的Pb208会产生干扰。
	3.	Determination of total rare earth and thorium oxide content 稀土和钍总量的测定
	4.	This is clearly confirmed by the detection of thorium 这显然证实了检测钍
	5.	The thorium nitrate volumetric rnethod for the determination of fluorine content 硝酸钍容量法测定氟量
	6.	Method for the determination of thorium dioxide in thorium tungsten alloys 钨钍合金中二氧化钍的测定方法
	7.	Determination of thorium dioxide in thorium - tungsten alloys - weight method 钨钍合金中二氧化钍的测定重量法
	8.	Determination of thorium oxide content 氧化钍量的测定
	9.	Study on adsorption thorium properties and mechanism of extraction resin 5209萃淋树脂吸附钍的性能和机理研究
	10.	Methods for chemical analysis of thorium nitrate - determination of lead content 硝酸钍化学分析方法铅量的测定

thorium是什么意思

thorium 是什么意思

中文翻译与英英解释

例句与用法