radium 四级高考

the radiotoxic effects of radium on bone.

镭对骨骼的作用

Radium can be used to treat cancer.

镭可以用来治疗癌症。

Before broaching the subject of this lecture, I should like to recall that the discoveries of radium and of polonium were made by Pierre Curie in collaboration with me.

在开始讨论这次演讲的话题之前，我还回忆一下，镭和钋发现是皮埃尔·居里与我合作完成的。

Either of two decay products of thorium,mesothorium I,an isotope of radium,or mesothorium II,an isotope of actinium.

新钍钍的两种生成物之一，即新钍1号，它是镭的同位素，或新钍2号，它是锕的同位素

We found that pitchblende contains at least two radioactive materials, one of which, accompanying bismuth, has been given the name polonium, while the other, paired with barium, has been called radium.

我们发现沥青铀矿物中至少含有两种物质：与铋伴生的命名为钋，与钡伴生的命名为镭。

We mainly producing in golf radium simulator, gradienter simulator of golf club, velometer of golf club, bags of golf balls and clothes, golf shoes, golf hats and other relative products.

主要产品高尔夫镭练习器、高尔夫挥杆水平仪练习器、高尔夫挥杆测速器、高尔夫毬具包、高尔夫衣物包、鞋、帽子等相关产品。