| step-down transformer |
A transformer that changes electricity to a lower voltage.
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| step-down unit |
A unit to which stable patients are sent either after being cared for in intensive care units (ICUs) or instead of receiving care in ICUs.
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| step-up transformer |
A transformer that changes electricity to a higher voltage.
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| Stephan's curve |
A mathematical model used to determine the impact of ingested foods on the pH of dental plaque and subsequent caries formation. Decalcification of teeth occurs when the pH in the oral cavity is less than 5.5. &nbs
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| step w. |
penetrometer; a block of an absorber, usually aluminum, machined in steps of increasing thickness, used to measure the penetrability of x-rays.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| step | English writer (1832-1904) |
|---|---|
| step | United States politician who proposed that individual territories be allowed to decide whether they would have slavery |
| step | United States politician who proposed that individual territories be allowed to decide whether they would have slavery |
| step | Canadian economist best remembered for his humorous writings (1869-1944) |
| step | United States songwriter whose songs embody the sentiment of the South before the American Civil War (1826-1864) |
| step | United States writer (1871-1900) |
| step | United States songwriter whose songs embody the sentiment of the South before the American Civil War (1826-1864) |
| step | United States financier (born in France) who helped finance the War of 1812 (1750-1831) |
| step | 22nd and 24th President of the United States (1837-1908) |
| step | English theoretical physicist (born in 1942) |
| step | United States paleontologist and popularizer of science (born in 1941) |
| step | Canadian economist best remembered for his humorous writings (1869-1944) |