Difference between revisions of "Half-life"

From MarineSpecies Traits Wiki
Jump to: navigation, search
m
Line 1: Line 1:
 
{{Definition|title=Half-life (of a pollutant)
 
{{Definition|title=Half-life (of a pollutant)
|definition=The time required for a pollutant to lose one-half of its original concentration. For example, the biochemical half-life of DDT in the environment is 15 years.
+
|definition=
 +
1)The time required for a [[pollutant]] to lose one-half of its original concentration. For example, the biochemical half-life of DDT in the environment is 15 years.
 
<P>
 
<P>
2) The time required for the elimination of half a total dose from the body.
+
2)The time required for the elimination of half a total dose from the body.
 
}}
 
}}

Revision as of 12:46, 26 August 2009

Definition of Half-life (of a pollutant):
1)The time required for a pollutant to lose one-half of its original concentration. For example, the biochemical half-life of DDT in the environment is 15 years.

2)The time required for the elimination of half a total dose from the body.

This is the common definition for Half-life (of a pollutant), other definitions can be discussed in the article