| survival curve |
a graph of the probability of survival versus time, commonly used to present the results of clinical trials, eg, a graph of the fraction of patients surviving (until death, relapse, or some other defined endpoint) at each time after a certain therapeutic procedure; see also life table, under table.
Ãâó: www.merckmedicus.com/pp/us/hcp/thcp_dorlands_conte...
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| surface tension |
is the force per unit length used to overcome the microscopic forces between molecules at the liquid-air interfaces.
Ãâó: highered.mcgraw-hill.com/sites/0072383321/student_...
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| surge |
1. See storm surge. 2. See surge current. 3. See surge line. 4. In hydrology, a sudden change in discharge resulting from the opening or closing of a gate that controls the flow in a channel, or by the sudden introduction of additional water into the channel. 5. The fore and aft movement of the center of gravity of a ship. See heave, sway, ship motion. 6. Water transported up a beach by breaking waves.
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| surface tension |
(Also called surface energy, surface free energy, capillary forces, interfacial tension.) The tangential force acting at the interface between a liquid and air (or, more correctly, its own vapor) caused by the difference in attraction between liquid molecules and gaseous molecules. Expressed either as a force per unit length of interface or as an energy per unit area of interface.
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| surface thermometer |
In oceanography, a thermometer used in a bucket of seawater to measure sea surface temperature.
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