polonium怎么读,polonium的音标和真人发音
英音  [pəˈləʊnɪəm]    
美音 [pəˈloʊnɪəm]    
音节划分:po-lo-nium

polonium是什么意思,polonium的意思是

n.<化>钋

polonium的词源和记忆技巧

polonium 钋
由波兰裔法国物理学家居里夫人Marie Curie于1898年发现的放射性化学元素,以其祖国Poland命名,以表达对祖国的敬意。

polonium 的用法和双语例句“点击”或“选中”例句中的单词,就可以看到词义解释

" They have to establish that the polonium is not associated with a natural occurring radioactive source , " says regan perhaps by looking for other accompanying natural sources , such as lead-210 , lead-214 or bismuth-214 .
雷根说:”他们必须确定这些钋物质与自然产生的放射源无关“比如可以通过寻找像铅-210,铅-214或是铋-214这样伴生的自然放射源。
However , bochud is quoted by cnn as saying that arafat 's medical records don 't necessarily support the polonium theory .
但是博苏却向cnn表示,阿拉法特的医疗记录并不能完全支持钋理论。
The curies succeeded in discovering polonium in 1898 .
居里夫妇于1898年成功地发现了钋。
At the time it was thought to be a state-backed operation as polonium is most likely to be sourced from a nuclear reactor .
由于钋极有可能来自于核反应堆,当时这一谋杀被认定为一次政府主导的行动。
That compresses the plutonium while it is simultaneously bombarded with neutrons from a trigger made of polonium , and thus begins the second stage .
这个过程能压缩钚,并与此同时钚也会受到由钋组成的触发器散发出的中子的轰击,这样就引发了第二个阶段。