Time
| Definition: |
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| Notes: |
IM as the abstraction; no qualif; do not confuse with TIME FACTORS, the NIM coord aspect of a given subject; "diurnal" & "nocturnal": consider preferably CIRCADIAN RHYTHM |
| Also Called: |
Longterm Effects |
Time Categories.
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Chronology |
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Half-Life - The time it takes for a substance (drug, radioactive nuclide, or other) to lose half of its pharmacologic, physiologic, or radiologic activity. |
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Photoperiod - The time period of daily exposure that an organism receives from daylight or artificial light. It is believed that photoperiodic responses may affect the control of energy balance and thermoregulation. |
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Time Factors - Elements of limited time intervals, contributing to particular results or situations. |
Time Definitions and Terms
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