| baseline |
The concentration of a nuclide or radiation level that is considered "normal" under routine conditions. Baseline is generally obtained from evaluation (typically an average) of numerous background measurements. Baseline results are used for comparisons to individual sample results to determine if abnormalities may exist.
출처: www.epa.gov/narel/radnet/glossary.html
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|---|---|
| basement membrane |
(noun) thin mat of extracellular matrix that separates epithelial sheets, and many types of cells such as muscle cells or fat cells, from connective tissue. Sometimes called a basal lamina
출처: www.orgsites.com/fl/adjuvantdisease/_pgg9.php3
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| base plate |
a plate-shaped piece of steel that is made an integral part of the base of a column, a pedestal, or another member. It transmits and distributes its load directly to the substructure or to another member
출처: www.globalsecurity.org/military/library/policy/arm...
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| base metal |
the metal at and adjacent to the surface to be incorporated in a welded joint that will be fused and which will produce a welded joint through coalescence and interdiffusion with the weld
출처: www.globalsecurity.org/military/library/policy/arm...
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| baseline |
Scientists study nature and try to determine the way an ecosystem or a species functions in its natural state. The baseline heart rate of a human is approximately 72 beats per minute.
출처: www.nps.gov/grsa/resources/curriculum/glossary.htm
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