irradiation
Noun
Meaning
Act of irradiating, or state of being irradiated.
Illumination; irradiance; brilliancy.
Fig.: Mental light or illumination.
The apparent enlargement of a bright object seen upon a dark ground, due to the fact that the portions of the retina around the image are stimulated by the intense light; as when a dark spot on a white ground appears smaller, or a white spot on a dark ground larger, than it really is, esp. when a little out of focus.
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A 22 milligram batch of berkelium-249 was prepared during a 250-day irradiation period and then purified for a further 90 days at Oak Ridge in 2009.
A 22 milligram batch of berkelium-249 was prepared in a 250-day irradiation and then purified for 90 days at Oak Ridge in 2009.
After multiple studies by independent agencies and scientists no correlation between polyploidy and irradiation of food could be found.
Amethyst can fade in tone if overexposed to light sources and can be artificially darkened with adequate irradiation.
APBI normally involves two high-dose fractions per day for five days, compared to whole breast irradiation, in which a single, smaller fraction is given five times a week over a six-to-seven-week period.
Another major experimental parameter is whether nuclear decay products (gamma rays or particles) are measured during neutron irradiation ( prompt gamma ), or at some time after irradiation (delayed gamma).