On the basis of studying many documents, introduced some non radioactive persistent red phosphors and systematically classified them according to their luminescent host.

在大量文献调研的基础上，根据发光基质的不同对目前非放射性长余辉红色磷光粉的研究现状进行了系统的分类介绍。

youdao

But if people at risk receive tablets containing non-radioactive iodine, this reaches the thyroid first and effectively prevents the radioactive isotopes being absorbed.

但是如果处于危险环境的人们预先摄入含有非放射性碘的药物，这些碘就会先到达甲状腺并且有效地防止对放射性的碘的吸收。

youdao

It also benefits from the use of a non-radioactive technology compared with previous generations of detectors.

同时，由于使用了非放射性技术，因此M4 JCAD比上一代探测器更具优势。

youdao

The pills flood the thyroid gland with non-radioactive iodine.

VOA: special.2011.03.30

The group has to decide how to deal with the radioactive and non-radioactive hazardous wastes from the submarines in the short and long term.

BBC: Sub adviser quits over colleague

They are suggesting that under 1 millirem per year we should consider the metal to be non-radioactive.

FORBES: Does The DoD Want To Kill Us All With Radioactive Nuclear Scrap Metal? No, No Not Really

Scalding hot, but non-radioactive steam explodes from the Mihama nuclear power plant.

FORBES: China, India Dominate List of World's New Nuke Power Projects