| coherent light |
Radiant electromagnetic energy of approximately the same wavelength with fixed phase relationships between different points in the field.
출처: www.csa.com/hottopics/crypt/gloss.php
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| cohort study |
An observational study in which outcomes in a group of patients that received an intervention are compared with outcomes in a similar group ie, the cohort, either contemporary or historical, of patients that did not receive the intervention. ...
출처: www.gulflink.osd.mil/medsearch/glossary/glossary_c...
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| cohort study |
a study in which patients with a given exposure (or lack of it) are grouped and followed over time. The two groups are then compared.. Not as reliable as randomized controlled trials, since the two groups may differ in ways that are not immediately apparent. Other disadvantages include long time needed to do the study, especially if condition is rare. However, can overcome the ethical issues of RCTs.
출처: www.med.umich.edu/pediatrics/managedcare/ebmterms....
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| coherent |
As applied to light waves, having identical frequency and identical phase, and traveling in the same direction. Lasers produce coherent light.
출처: www.nksd.net/schools/nkhs/staff/john_daneau/cp_glo...
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| cohesion |
the characteristic of identically structured molecules to stick to each other.
출처: www.biologylessons.sdsu.edu/classes/lab3/glossary....
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