Infra red Sentence Examples

infra red
  • In addition, taking advantage of the accuracy with which the bolometer can determine the position of a source of heat by which it is affected, he mapped out in this infra-red spectrum over 700 dark lines or bands resembling the Fraunhofer lines of the visible spectrum, with a probable accuracy equal to that of refined astronomical observations.

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  • The emission spectrum shows two lines, Ka, a double line towards the infra-red, and Ka in the violet.

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  • He especially devoted himself to investigations of the radiation of heat from the sun and its absorption by the earth's atmosphere, and to that end devised various delicate methods and instruments, including his electric compensation pyrheliometer, invented in 1893, and apparatus for obtaining a photographic representation of the infra-red spectrum (1895).

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  • If suitable values are chosen for these constants, the formula can be made to represent the dispersion of ordinary transparent media within the visible spectrum very well, but when extended to the infra-red region it often departs considerably from the truth, and it fails altogether in cases of anomalous dispersion.

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  • Paschen 6 has further extended the method and added a number of infra-red lines to the spectra of helium, argon, oxygen and other elements.

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  • It should be mentioned that the infra-red rays have a remarkable damping effect on the phenomena of phosphorescence, a fact which has.

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  • Festing, who examined the infra-red absorption of a number of substances.

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  • It will be seen that the maximum ordinates lie upon the curve A9 = constant dotted in the figure, and so, as the temperature of the ideal body rises, the wave-length of most intense radiation shifts from the infra-red X towards the luminous part of the spectrum.

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  • The infra-red requires special appliances; it has been examined visually by the help of phosphorescent plates (Becquerel), and with special photographic plates (Abney); but the most efficient way is to use the bolometer or radiomicrometer; by this means some 500 or 600 lines have been mapped.

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  • Paschen in 1896 identified an unmistakable oxygen triplet in the infra-red, which is shown terrestrially only in the vacuum tube, where the spectrum is very different from that of atmospheric absorptions.

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  • Both rock-salt and carbon bisulphide are extremely transparent to the luminous and also to the infra-red rays The iodine in the solution, however, has the property of absorbing the luminous rays, while transmitting the infra-red rays copiously, so that in sufficient thicknesses the solution appears nearly black.

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  • Polyphonic ring tones, infra red port for connectivity & vibrate alert are just a few of the other features to be included.

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  • Mervyn Hobden and Max Jens Jensen also remarked that infra-red is not usually a problem with color CCD cameras.

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  • When infra-red homing is used decoy hot sources may be used to deflect the incoming weapon.

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  • This must be of a material which is opaque to thermal infra-red; the approximate dimensions are 13mm length by 5mm diameter.

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  • The users wear active stereo LCD shutter glasses, which are controlled by an infra-red emitter.

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  • They don their infra red goggles, drop to the ground and crawl into the woods in formation.

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  • We also offer an infra-red movement sensing alarm and locking hasps.

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  • The commentary is relayed via a discreet headset linked to an infra-red system.

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  • In which 4 new premises types is a loop induction, or infra-red system, required for the benefit of people with impaired hearing?

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  • The sample is then crystallized by means of a zone refinement technique using an infra-red laser (see image ).

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  • The remote control system, comprising the keypad, transmitter. infra-red link, amplifier and control microcomputer.

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  • I thought about the labial pits - infra-red sensors on the first four upper lip scales of the reticulated python.

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  • Be able to describe the use of infra-red radiation in night photography.

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  • Now I just need to find a way to locate my phone under infra red light.

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  • The infra-red sauna has become an integral part of my naturopathic practice.

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  • Other facilities include a spa, Swedish sauna steam room and infra-red sauna steam room and infra-red sauna.

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  • And infra-red sensors pick up signals from the hand-held remote control units used to manually adjust the lighting brightness.

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  • On the one hand, UV, visible and infra-red spectroscopy, coupled to novel laser and detectors technologies, is used.

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  • In this article, I will be looking at the use of infra-red thermography in a wide range of build- ing diagnostic applications.

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  • Patch It has been tested by means of infra red thermography.

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  • The problem was that one of the infra-red transmitters was not working.

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  • His name is especially associated with two main branches of investigation - aeronautics, and the exploration of the infra-red portions of the solar spectrum.

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  • It would apply only if the spectrum had no infra-red and ultraviolet extensions.

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  • Other facilities include a spa, Swedish sauna steam room and infra-red sauna.

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  • Consider installing an infra red sensor with the garage door opener.

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