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Effects of ultra-violet radiations

Publisher
Elsevier Science
Year
1911
Tongue
English
Weight
59 KB
Volume
172
Category
Article
ISSN
0016-0032

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๐Ÿ“œ SIMILAR VOLUMES

The transparency of amorphous silica for
The transparency of amorphous silica for ultra-violet radiations
โœ G.F.S. ๐Ÿ“‚ Article ๐Ÿ“… 1927 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 66 KB

## 694 CURRENT TOPICS. [J. F. I. high over the earth and in the west toward, the sun, was in the sunshine. This was verified by calculation. Subsequent comparison of other unusually high auroras showed that they also had been exposed to sunlight. Rays with their lower edges 300 to 40o kin. above

Extreme ultra-violet solar radiation
Extreme ultra-violet solar radiation
๐Ÿ“‚ Article ๐Ÿ“… 1931 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 54 KB

A subject widely discussed today is the use for therapeutic purposes of the short wave-length ultra-violet rays in sunlight and in arc lamps, recognized by biologists as possessing healing value, especially in the treatment of rickets. It has been found that common window glass shuts out some wave-