far infrared


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far infrared

far infraredclick for a larger image
A term for longer wavelengths of the infrared region, from 14 to 40 microns. See also near infrared.
References in periodicals archive ?
But a 2009 study in the Canadian Family Physician journal found only weak evidence to support far infrared therapy for obesity and no evidence to support claims of reducing cholesterol.
Reflecting on the paucity of supportive data, in this very difficult experimental region of the far infrared, it seems that much more needs to be learned about the emissions due to hydrogen bonds in nature.
The Japanese-made model produces biogentic far infrared rays - invisible to the naked eye - which penetrate body tissue.
Infrared film, however, is more sensitive to the full visual spectrum of light, extending on the light chart all the way from ultraviolet to near and far infrared.
Far infrared is defined as the region of the spectrum extending from 25 [micro]m to 200 [micro]m.
The dust tends to quench visible and ultraviolet light emitted by stars and reradiate it in the far infrared.
The Clearlight Infrared Sauna uses deep-penetrating far infrared heat from the company's exclusive True Wave carbon-ceramic heaters.
The Jacuzzi[R] brand sauna line will include the Sanctuary[TM] Full Spectrum Infrared Sauna models and the Premier[TM] Far Infrared Sauna models.
Supply and commissioning of a vacuum Fourier transform infrared spectrometer, operating in the near to far infrared, in combination with a microscope for micro-spectrometry in the near to far infrared, on behalf of the Department of Solid State Sciences (WE04) of Ghent University.
Among the topics are the adsorption of inorganic nitrogen and the effect of microbe action in saturated soil, the effect of attapulgite and carbon black on the properties of natural rubber, electric dipole characteristics of mineral tourmaline superfine powders and its properties of far infrared emission, mechanisms and performance analysis of easy cleaning ceramics, preparing sericite nanoflakes by the exfoliation of wet ultra-fine grinding, synthesizing a potassium ionic sieve membrane and its selectivity to potassium ions in seawater, evaluating thermal insulation properties in fibrous mineral fine powders, and the university education of intellectual property for innovation talents of science and technology in functional material industry.
said Thursday it will voluntarily recall 4,711 units in four models of its Enseki far infrared heaters it sold between 1995 and 2000 as they may belch out smoke or catch fire.
The far infrared doesn't end until submillimeter or millimeter waves, sometimes defined as starting around 100, 300, or 1,000 microns.