The limit for occupational radiation exposure among workers who deal with radioactive material is 50 millisieverts.

对于职业的处理放射性物质的工人，接触辐射的极限是50毫西韦特。

youdao

But he said there had been no leakage of radiation or radioactive material from nuclear facilities.

但是他说，并没有辐射或放射性物质从核设施中泄漏。

youdao

They do not protect against external radiation, or against any other radioactive substances besides radioactive iodine.

他们不能阻止外部的辐射、或是任何其他辐射形式。

youdao

Or you can pick your poison, choosing between surgery to remove the prostate and one of two forms of radiation, external beam radiation and radioactive "seeds" implanted in the gland itself.

FORBES: Men, Cancer, & Hope

The company initially said there was no release of radiation, but admitted later that the quake released radiation and spilled radioactive water into the Sea of Japan.

WSJ: Nuclear Issues Put Focus on Japan Regulators

The device's primary source of neutron radiation was the radioactive element californium, but the stream of neutrons produced by the californium was multiplied by passing it through a lattice of highly enriched uranium U-235, whose nuclear fission released additional neutrons.

CNN: SHARE THIS