ultraviolet wavelength

Found inside – Page 15Ultra - Violet - Near , Middle , Far Many Industrial and Personal Uses Are Being Made of the Phenomena Surrounding these Radiations SUN Just as a glass prism ... Similarly , what differentiates near , middle and far ultraviolet is wavelength . Found inside – Page 1952An ultraviolet ray generator comprising a gaseous electric discharge device of the low pressure mercury vapour type which during operation emits a preponderance of germicidal ultraviolet radiations of 2537Å . wavelength , said device ... Found inside – Page 16In order to facilitate detailed modelling of the ALEXIS telescopes , after scrubbing we performed a number of QE tests on the curved ALEXIS flight detectors at the EAG facility , measuring the QE against soft X - ray to ultraviolet wavelengths ... Found inside – Page 494... we have continued the study of vacuum ultraviolet wavelength region . The argon , krypton , and xenon rare gas dischargcharacteristics of the most ... Found inside – Page 350UV OBSERVATIONS Ultraviolet observations were obtained of RW Hya on July 29 and September 1 1979 over the wavelength range 1100 A to 3200 A using exclusively the 10 " x 20 " large aperture of the IUE spectrometer . Virtually no ... Found inside – Page 1In addition , data have been tabulated to facilitate calculation of the intensity ( integrated over wavelength ) of vacuum ultraviolet wavelength light at ... Found inside – Page 2-7DNA absorbs light in the wavelength range emitted by UV lamps, enabling photobiological effects that lead to nucleic acid damage. Figure 2.6 UV Absorbance ... Found inside – Page 141substances which absorb ultraviolet and visible wavelengths . Chemical analysis by ultraviolet spectrometry is a very valuable asset to the chemical plant and the pharmaceutical industry . In the sketch , the optical system uses a quartz prism ... Found inside – Page 184WAVELENGTH STANDARDS Interferometric methods are hardly used for wavelength measurements in the vacuum ultraviolet . There is only one report , published in 1936 , describing the measurement of the wavelengths of the Cu II lines ... Found inside – Page 268A proven physical disinfection method in drinking water purification is the use of ultraviolet (UV) light with wavelengths between approximately 200–300 nm ... Found inside – Page 29Experimental Ultraviolet Photocarcinogenesis : Wavelength Interactions. 29 SUMMARY The UV content of sunlight is the major cutaneous carcinogen in man . Found inside – Page 5To provide for inflight wavelength calibration , a low - pressure mercury - argon lamp was flown aboard Nimbus - 7 . Wavelength calibration measurements ... Found inside – Page 37... 300 320 Wavelength (nm) tuptuo-VU figUre 2.4 Cell deactivation, depending on the exposed wavelength of UV light and operated wavelength of mercury lamp. Found inside – Page 113The exponential rise and saturation of the FEL intensity was observed both at the visible and the ultraviolet wavelength. The LEUTL team made a very nice ... Found inside – Page 291Two types of lamp are available , the " long - wave " ultraviolet lamp giving radiation of 380 nanometers , and the " short - wave ' lamp , giving 254 nanometers . Both wavelengths are emitted by mercury vapor ; the wavelength desired is ... Found inside – Page 2RADIOMETRIC IMAGING IN THE ULTRAVIOLET George R. Carruthers E. 0. Hulburt ... For the most part , the ultraviolet wavelength range is not qualitatively different from the visible and nearinfrared wavelength ranges in these respects . Found insideColor variation in these patches is restricted largely to the ultraviolet wavelength range , yet this range is commonly not considered in studies of carotenoid - based plumage . Behavioral and ecological conditions affecting the efficient use of ... Found inside – Page 149These minerals appear to be a certain color when seen in normal light , but when viewed under pure ultraviolet wavelengths , they reveal altogether different colors . Ultraviolet rays are all around us . They are present in daylight ( sunburn is ... Found inside – Page 12... perature of the ultraviolet intensity made of a kind of glass that is highly meter . opaque to short ultraviolet wavelengths ... the ultraviolet shorter than about 3,000 A. meter , was received and graphically reThe shortest observable wavelength ... Found inside – Page 261Most of these (80%) are infrared, with lower frequency and longer wavelengths (7400 A to 1.5 microns) than red light. The remaining 20% is ultraviolet light, whose waves are of higher frequency and shorter wavelength than visible light. Found inside – Page 29The most potent wavelengths are found in the mid - UV range ... 1959 ( 0 ) Wavelength dependence of tumor induction by ultraviolet radiation . Found inside – Page 1875At - wavelength inspection of sub - 40 nm defects in extreme ultraviolet lithography mask blank by photoemission electron microscopy Jingquan Lin , 1 , * Nils Weber , ? Jochen Maul , Stefan Hendel , Karsten Rott , 4 Michael Merkel , Gerd ... Found inside – Page iZhang Zhang. 1 1 1 Accurate knowledge of the refractive index in this wavelength region. Found insideTo achieve a rough wavelength calibration ofa spectroradiometer, it isonly necessary torecord the line spectrum froma mercury discharge lamp,or compare a ... Found inside – Page 47l l l 200 300 400 500 6OO 7OO WAVELENGTH IN NANOMETERS FIGURE 4:3. ... the relative effectiveness of various ultraviolet and other wavelengths of radiation ... Found inside – Page 7Ultraviolet Spectrometer Data as a Function of Tangent Height for Detector 27 , Center Wavelength 2494 A 32. Ultraviolet Spectrometer Data as a Function of ... Found inside – Page 292Int J Biol Macromol 6:31–34 * Kirschenbaum DM (1971) Molar absorptivity and A# values for proteins at selected wavelength of the ultraviolet and visible ... Found inside – Page 23CORRELATION OF WAVELENGTH AND INTENSITY WITH STRUCTURE Intensities in the near ultraviolet have been accurately predicted by Sklar for all the ... Found inside – Page 12Chapter II CLEAR DAY SPECTRAL ESTIMATES FOR THE TERRESTRIAL SOLAR ULTRAVIOLET RADIATION ... minimum ultraviolet wavelength which would be recorded inal , diurnal and annual variations which are geometrical in - 12. Found inside – Page 348BROAD SCIENTIFIC AIM MAGELLAN is primarily aiming at very high resolution spectroscopy ( 1/01 > 2.5 x 104 ) at far ultraviolet ( 900 - 1550 Ångstrom ) and at extreme ultraviolet wavelengths ( 500 – 900 Ånstrom ) of faint galactic and ... Found inside – Page 164near UV (2) synergistic studies, various UV wavelengths, UW + heat, ... The Wavelength dependence of ultraViolet inactivation of host capacity in a ... Found inside – Page 368Generally the experiments employ a shorter wavelength probe to minimize refractive bending in the steep gradient plasma, and small targets so as to minimize ... Found inside – Page 63Wavelength Me a surements of IUE High Dispersion Spectra Introduction Tests were run to determine how accurately the wavelengths of high dispersion ... Found inside – Page 333Accuracy of Low Dispersion Wavelengths , " NASA IUE NEWSLETTER No. ... The International Ultraviolet Explorer Spectral Image Processing System . Found inside – Page iv... light sources especially in the ultraviolet wavelength region of the spectrum . ... the most highly ultraviolet - sensitive biological endpoints known . Found inside – Page 4Ordinary window glass in thickness of 2 mm or more is practically opaque to ultraviolet radiation of wavelengths shorter than 300 nm. Found inside – Page 9On the short-wavelength side however, opsins can respond to ultraviolet light with wavelengths below 300 nm. In humans, the cutoff at 400 nm comes mostly ... Found inside – Page 15Ultraviolet radiation Ultraviolet radiation is divided into three types , according to wavelength . UV - A radiation , emitted at wavelengths of 315–400 nm ( 1 nanometre is a millionth of a millimetre , or 10-9 m ) is unaffected by ozone reduction ... Found inside – Page 52.1 Wavelength Calibration To provide for inflight wavelength calibration , a low - pressure mercury - argon lamp was flown aboard Nimbus - 7 . Found inside – Page 504It was optimized for the very far ultraviolet wavelength range, below 110 nm, which is inaccessible to HST and most previous UV astronomy space missions ... Found inside – Page 8Currently, UV LEDs are available in a wide variety of discrete wavelengths from 210 up to 400 nm, including many wavelengths in the germicidal UVC region. 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