Sentences with phrase «radioactive materials down»

The new method, published in Scientific Reports, could dramatically reduce the effective half - life (an indicator of the amount of time it takes to bring radioactive materials down to safe levels) of long - lived fission products [1](LLFPs) from hundreds of thousands of years to within a hundred years.

Not exact matches

So an inspector came out to the phony, empty office, but instead of turning the group down for having no security in place, or arousing suspicion about the obvious potential that the business was a shell company, he issued a license on the spot for a small amount of radioactive material.

The prevailing winds are indeed heading east over the Pacific from Japan, but the vast majority of radioactive material will rain down into the ocean within a few hundred kilometers of the nuclear plant.

In order to convert the material invested in such reactors to atomic weapons, it would be necessary to close down the reactor; to decontaminate the fissionable material of its radioactive fission products; to separate it, in what is a fairly major technical undertaking, from its denaturant; and to establish plants for making atomic weapons.