Sentences with phrase «radiation limits»

Guidelines from the International Radiation Protection Association (IRPA) suggest overall radiation limits of 1 milliwatt per square centimeter «averaged over 6 minutes (0.1 h) period.»

Wheat ears from these plants contained 300 - 500 Bq kg - 1 — within the prescribed radiation limit.

Measurements of radiation reaching the shielded interior of the spacecraft that carried Curiosity to Mars indicate that an astronaut on a yearlong round - trip would be exposed to around two - thirds of the career radiation limit that some space agencies set.

«Setting [such radiation limits] for elementary schools is inexcusable,» Toshiso Kosako, a radiation health expert at the University of Tokyo, said on 30 April, when he resigned as an adviser to Prime Minister Naoto Kan on the nuclear crisis.

This «speed limit» is called the Eddington radiation limit.