将这句话翻译成英语，急求，在线等，谢！

an simple introduction from the discovery of Radium--a Natural radioactive element to the series of its prparation . refinery and application.

a brief introduction to the discovery of a natural radial element-Radium and its preparation, purification and application.

Some simple instructions about the natural radioactive element radium,from its discovery to the produce,purification and use.

这只是我的见解，希望可以对你有所帮助。