SINCE quartz is transparent in the ultra-violet, the employment of the powerful technique for Raman-effect studies developed by Rasetti, in which the 2537 A. radiation from a water-cooled magnet ...

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THE WEEK'S MOST POPULAR ROCK ALBUMS, BASED ON MULTIMETRIC CONSUMPTION, BLENDING TRADITIONAL ALBUM SALES, STREAMING-EQUIVALENT ALBUMS AND TRACK-EQUIVALENT ALBUMS, AS COMPILED BY LUMINATE.