Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun metrology Symbol for the
nanogray , anSI unit ofabsorbed dose equal to 10−9grays .
Etymologies
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Examples
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The higher energy equipment puts much less energy near the surface-about 50nGy-but, by 10cm in, they're depositing more energy than the lower-powered versions.
Ars Technica John Timmer 2010
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The results are given in nanoGrays (nGy), a measure of the amount of energy deposited in the material being exposed-in this case, the human body (typically, health problems aren't obvious until the exposure gets into the single-digits of Grays).
Ars Technica John Timmer 2010
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The higher energy equipment puts much less energy near the surface-about 50nGy-but, by 10cm in, they're depositing more energy than the lower-powered versions.
Ars Technica John Timmer 2010
-
The results are given in nanoGrays (nGy), a measure of the amount of energy deposited in the material being exposed-in this case, the human body (typically, health problems aren't obvious until the exposure gets into the single-digits of Grays).
Ars Technica John Timmer 2010
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The gray is a large unit and for normal radiation protection levels a series of prefixes are used: nanogray (nGy) is one thousand millionth of a gray (1/1,000,000,000) microgray (µGy) is one millionth of a gray (1/1,000,000) milligray (mGy) is one thousandth of a gray (1/1,000)
Radiation units 2009
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