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specific activity |
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specific activity [spə′sif·ik ak′tiv·əd·ē] (nucleonics) The activity of a radioisotope of an element per unit weight of element present in the sample. The activity per unit mass of a pure radionuclide. The activity per unit weight of a sample of radioactive material. In these three cases, specific activity can be expressed in such units as millicuries per gram, disintegrations per second per milligram, or counts per minute per milligram. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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When you next encounter a parent whose child's work has been captured in your journal, make a point to tell the parent about the specific activity that impressed you. Can you correlate your symptoms with any specific activity, meal, or time of day? Another of the leads is a tachykinin splice variant that exhibits a specific activity in the peripheral nervous system. |
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