ultraviolet spectrum


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Related to ultraviolet spectrum: infrared spectrum, electromagnetic spectrum

ul·tra·vi·o·let spec·trum

the electromagnetic spectrum at wavelengths shorter than the violet end of the visible spectrum.
References in periodicals archive ?
5nm, dilution ratio of evaporated liquor at 1:6, evaporation temperature at 45[degrees]C, quality thickness of reference fluid (glacial acetic acid) at 45g/L, we scan the vinegars with ultraviolet spectrum at different storage time, and obtain the data, see [2].
A video intensifier tube, which is sensitive to light waves from the ultraviolet spectrum through the infrared, was modified to detect only ultraviolet light waves.
The superb ultraviolet spectrum obtained by the Cosmic Origins Spectrograph of the Hubble Space Telescope reveals that the coolest gas in the line of sight towards Markarian 509 has 14 different velocity components at various locations in the innermost parts of this galaxy.
The Sun in UV "Since 1946 it has been possible to observe from rockets the ultraviolet spectrum of the sun at wave lengths shorter than 2900 angstroms, a spectral region masked from ground observers by the earth's atmosphere.
Broad spectrum products - affording protection across the whole ultraviolet spectrum including UVB, which inflames the outer layer of the skin and can prematurely age it; UVA, which penetrates deeper, damaging collagen and elastic tissues and protection from IR, the `hot' element in sunlight.
Using Hubble's Goddard high-resolution spectrograph, the team managed to home in on the ultraviolet spectrum of an individual star, called R136a5, even though a neighboring star in the cluster, R136a2, lies less than 0.
With the knowledge that birds have the ability to see light in the ultraviolet spectrum, ARNOLD GLAS has developed ORNILUX Bird Protection Glass.
An ultraviolet spectrum obtained in 1993 by the Hubble Space Telescope shows unexpectedly strong absorptions near 2070 angstroms.
The highest-resolution ultraviolet spectrum ever obtained of Earth's uppermost atmosphere, which extends beyond Columbia's orbit.
LRO's instruments will help scientists compile high resolution, three-dimensional maps of the lunar surface and also survey it in the far ultraviolet spectrum.
For three hours, they exposed the white cells and plasma (The clear portion of blood) to the long "A" wavelengths of the ultraviolet spectrum, and then injected these treated components back into each volunteer.

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