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diurnal variation |
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diurnal variation [dī′ərn·əl ‚ver·ē′ā·shən] (geophysics) Daily variations of the earth's magnetic field at a given point on the surface, with both solar and lunar periods having their source in the horizontal movements of air in the ionosphere. 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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Diurnal variation in the metabolism of S-carboxymethyl-L-cysteine in humans. The uncompensated diurnal variations of the time delay between the two sites were about 140 ps, and can be controlled well below this level. The influence of diurnal variation is another concern with any serum analysis that might last longer than 24 hours. |
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