11 public-domain matches
Radioactivity

Electricity and matter

Radio-activity

Radioactive transformations
RADIOACTIVITY INDUCED AILMENTS (8-Aug-2001)
ASTM D1890: Standard Test Method for Beta Particle Radioactivity of Water
IS 5182 (Part 03): Methods for Measurement of Air Pollution, Part 03: Radioactivity (Particulate) In Air
Artificial radioactivity produced by neutron bombardment
IS 12761-2: Equipment for continuously monitoring radioactivity in gaseous effluents, Part 2: Specific requirements for aerosal effluent monitors

Radiations from radioactive substances
The Discovery of Radium