so, introduction, 「in order to explain the results of experiments on scattering of alpha rays by matter, professor rutherford,」 and there is a footnote to the rutherford model.
嗯,绪论,为了解释实验的结果,关于物质的alpha散射,卢瑟福说“,这儿有一个卢瑟福模型的脚注。
the most damaging radiation are gamma rays and x-rays; energetic alpha rays (streams of helium nuclei) and beta rays (electrons) can also damage cells.