| lumen |
The cavity or bore of a tubular organ
출처: glenlivet.mph.ed.ac.uk/endo/private/glossary.htm
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|---|---|
| lumen |
The space in the interior of a tubular structure, such as an artery or the intestine.
출처: www.nbc-med.org/SiteContent/MedRef/OnlineRef/Field...
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| lumen |
the hollow area within a tube.
출처: www.health.uab.edu/show.asp
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| lumen |
The amount of light cast upon 1 square foot of the inner surface of a hollow sphere of 1-foot radius with an international candle in its center.
출처: www.homestore.com/HomeGarden/HomeImprovement/Tools...
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| lumen |
An empirical measure of the quantity of light. It is based upon the spectral sensitivity of the photosensors in the human eye under high (daytime) light levels. Photometrically it is the luminous flux emitted with a solid angle (1 steradian) by a point source having a uniform luminous intensity of 1 candela.
출처: www.eia.doe.gov/glossary/glossary_l.htm
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