IEVref: | 881-12-30 | ID: | |

Language: | en | Status: Standard | |

Term: | exposure rate | ||

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Symbol: | $\dot{X}$ | ||

Definition: | the quotient of dX by dt, where dX is the increment of the exposure in time dt$\dot{X}=\frac{\text{d}X}{\text{d}t}$ NOTE – The SI unit of exposure rate is C kg | ||

Publication date: | 1983-01 | ||

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$\dot{X}=\frac{\text{d}X}{\text{d}t}$
^{−1} (A kg^{−1}). The earlier special units of exposure rate, still in temporary use, were R s^{−1}, R min^{−1}, and R h^{−1}.