Physical and dosimetric quantities
Protection against the dangers of ionizing radiation
Article REF: SL6160 V1
Physical and dosimetric quantities
Protection against the dangers of ionizing radiation

Authors : Alain BIAU, Jean-Pierre VIDAL

Publication date: June 10, 2009, Review date: September 1, 2015 | Lire en français

Logo Techniques de l'Ingenieur You do not have access to this resource.
Request your free trial access! Free trial

Already subscribed?

3. Physical and dosimetric quantities

3.1 Radioactive activity

The activity of a radioactive source is defined by the number of radioactive transformations (disintegrations) per unit of time and obeys the following law:

A=dN/dt=    N

with :

N
 : 
number of atoms at time t,
λ
 : 
(s –1 ) radioactive...
You do not have access to this resource.
Logo Techniques de l'Ingenieur

Exclusive to subscribers. 97% yet to be discovered!

You do not have access to this resource. Click here to request your free trial access!

Already subscribed?

Article included in this offer

"Laboratory quality and safety procedures"

( 140 articles )

Complete knowledge base

Updated and enriched with articles validated by our scientific committees

Services

A set of exclusive tools to complement the resources

View offer details
Contact our team FAQ