弗雷德里克成了她的助手之一，艾琳教他放射性工作中需要掌握的技能。

Frederic became one of her assistants and Irene taught him the techniques required to work with radioactivity.

youdao

所有放射性工作一定要预先计划，并按工作许可要求取得工作许可证。

All Radiographic activities must be pre-planned and a permit to work must be obtained as per the permit to work.

youdao

这项工作为詹姆斯·查德威克爵士发现中子铺平了道路，尤其是为伊莲娜和弗雷德里克·约里奥特·居里在1934年发现人工放射性奠定了基础。

This work prepared the way for the discovery of the neutron by Sir James Chadwick and, above all, for the discovery in 1934 by Irène and Frédéric Joliot-Curie of artificial radioactivity.

youdao

And, he worked for a little less than 10 years at McGill where he did more work on these particles that radiate from radioactive elements.

他在McGill工作了将近10年,在McGill期间做了更多的,关于放射性元素的放射性的工作。

麻省理工公开课 - 固态化学导论课程节选