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isopreference curves
Graphic representation of quantified values of image quality whose points all refer to images that are of a constant subjective quality.
isosorbs
Lines of equal atmospheric attenuation in a laser beam.
isotemperature line
->
correlated color temperature
Temperature of the blackbody having chromaticity nearest to that of the test source on a specified chromaticity diagram.
isotope shift
The slight difference in wavelength of an element's given spectral line observed in comparing different isotopes of that element.
isotopically selected laser spectroscopy
A spectroscopic technique in which an excitation band absorbs laser energy resulting in an electronic transition. The isotopic species may then be measured using a time of flight mass spectrometer....
isotropic
That property of a material that determines that velocity of propagation within the material is the same for all directions.
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