Results 241 to 250 of about 252,377 (298)

Artificial Light Sources

Dermatologic Clinics, 1986
A wide variety of artificial light sources exists for use in the diagnosis and treatment of photosensitivity disorders. A discussion of the advantages and disadvantages of these light sources (including gas discharge arcs, fluorescent lamps, and other apparatus) illustrates the importance of matching the emission spectrum of the light source, the ...
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Artificial Light

2011
Abstract This chapter covers the statutory nuisance in respect of artificial light under section 79(1)(fb) of the Environmental Protection Act (EPA 1990) in England and Wales; section 63(1)(h) of the Clean Neighbourhoods and Environment Act (Northern Ireland) 2011; and in Scotland, section 79(1)(fba) of the EPA 1990.
Rosalind Malcolm, John Pointing
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Artificial Light Sources for Phototherapy

Melanoma Research, 1996
UV-irradiation for medical applications is generated either by high pressure lamps with mercury, xenon, and metal-halides as additives or by low-pressure fluorescent bulbs.
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Artificial light and nicotine subsensitivity

Biological Psychiatry, 1988
Seasonal affective disorder (SAD) is a syndrome marked by recurrent depressions that generally occurinthefallorwinter(Rosenthaletal. 1984). This syndrome reportedly responds to daily treatment with 2-6 hr of bright artificial light (James et al. 1982; Lewy et al. 1982; Rosenthal et al. 1984, 1986; Wehr et al. 1986).
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ARTIFICIAL LIGHT THERAPY IN TUBERCULOSIS

JAMA: The Journal of the American Medical Association, 1924
The curative role of light in rickets and tetany is now commonly accepted. Under the influence of light, the blood in rickets shows an increased phosphorus content, and calcium deposition in the epiphyses of the long bones readily takes place. The blood in tetany shows an increased calcium and phosphorus content and, clinically, the disappearance of ...
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The History of Artificial Light

2021
Before the Industrial Revolution, there were candles, made from wax or tallow, and oil lamps, burning fat or oil from plants. Then came gaslight, based mostly on coal gas or coke oven gas from coking operations. Electric light from carbon arc lights was a mere flicker on the scene until the flicker became a flare, briefly in the 1880s, only to be ...
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HELIOTHERAPY AND ARTIFICIAL LIGHT

Journal of the American Medical Association, 1928
The various points dealt with in this paper are intended mainly as a public answer to some of the questions put most frequently to me by foreign colleagues who have visited me at the Finsen Medical Light Institute in Copenhagen. These questions may be thus summarized: What sort of light is best, and what is the most efficient type of lamp?
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[Artificial sources of light].

Revue medicale de Liege, 2005
The artificial light sources are numerous. They emit a more or less delimited spectrum of wavelengths. Ultraviolet light dosimetry allows to control the amount of delivered energy.
C, Piérard-Franchimont, P, Paquet, F, Henry, G E, Piérard   +3 more
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Artificial Lighting and Eyesight

Aircraft Engineering and Aerospace Technology, 1940
THE preservation of the eyes and the ability to make the best use of them are obviously of the utmost importance to all those concerned with aviation, whether in connexion with flying itself or with aircraft production.
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