In 1897,using this method of measurement,I undertook a study of the radiation of uranium compounds,and soon extended this study to other substances,with the aim of finding out whether radiation of this type occurs in other elements.

• 1897年，运用这一测量方法，我承担了铀化合物射线的研究工作，而且很快将这一研究扩展到了其他物质，旨在发现这种射线是否也产生于其他物质。