DR AS NZS 2243.4:2017 pdf free.Safety in laboratories Part 4: lonizing radiations. 1.4.2 Accident NOTE: The SI unit for activity is the reciprocal second (s), termed equal to one nuclear transformation per second. 1.4.4 Activity median aerodynamic diameter (AMAD) 1.4.5 Adequate protection 1.4.10 Becquerel (Bq) The number. f disintegrations per second. NOTE: This is the SI unit of activity. 1.4.11...
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