D-value
From Wikipedia, the free encyclopedia
Not to be confused with d' value, pronounced 'dee-prime' value.
D-value may refer to:
- D-value (microbiology) - the decimal reduction time, the time required at a certain temperature to kill 90% of the organisms being studied
- D-value (meterology) in meteorology refers to the deviation of actual altitude along a constant pressure surface from the standard atmosphere altitude of that surface.
- D-value (transport) - a rating in kN that is typically attributed to mechanical couplings
- Cohen's d in statistics - The expected difference between the means between an experimental group and a control group, divided by the expected standard deviation. It is used in estimations of necessary sample sizes of experiments.
 |
This disambiguation page lists articles associated with the same title. If an internal link led you here, you may wish to change the link to point directly to the intended article. |
