nonionizing radiation

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nonionizing radiation

[-ī′ənī′zing]
Etymology: L, non + Gk, ion, going, izein, to cause
radiation for which the mechanism of action in tissue does not directly ionize atomic or molecular systems through a single interaction.

nonionizing radiation

Abbreviation: NIR
Electromagnetic radiation that does not readily ionize atoms such as that in visible light, ultraviolet light, infrared light, microwaves, ultrasound, and radiofrequency emissions.
See also: radiation
References in periodicals archive ?
Most other spectrophotometer calibration standard manufacturers give you a limited range of how deep into the NIR range you can go.
One of the results is a suggestion to graphic designers of secured print, that the increase in NIR color tones to four or five is a difficult task for printing and maintaining the registry.
The NIR signal, being photoplethysmographic in nature, is characterized by light intensity changes due to fluctuations in blood pressure and cerebral blood flow.
For detecting counterfeits using NIR microscopy, the first step is to build up a database containing spectra of components known to be found in the authentic tablet and other components, which may be present in a counterfeit tablet.
The researchers have developed statistical methods using multivariate image regression (MVIR) to evaluate pulp properties from multi-spectral NIR images of finished pulp.
With the Alpha NIR software, the user can acquire and display 12-bit digital-image data, change sensor-head settings, calibrate the sensor head and analyze the data.
And they insisted no one from NIR was coming to the Omagh memorial service where visitors from across the British Isles will be turning up.
NIR absorption spectra are acquired by a probe installed at the foaming extruder die.
To see if NIR could serve as a less cumbersome alternative, Fischer and his coworkers prepared test samples by grinding up a mix of common plastics and paper into a white powder.
NIR light waves are just beyond the visible part of the light spectrum.
Researchers are evaluating NIR for triple duty: detecting, identifying, and destroying insect pests hidden inside grain storage bins.