Smoke Helmets for Firemen, The French Prohibition of Inflammable Celluloid Films
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چکیده
منابع مشابه
Alpha Particle Track Detection with Celluloid Films
The solid state track detector of celluloid films (cellulose nitrate+camphor 25% an weight) using etching technique is suitable for low energy alpha particle detection . The critical rate of energy loss for track formation in celluloid films is determined as 1 .3 MeV/mg•Ecm2. Irradiated samples are etched in NaOH (6 N) solution at 46•Ž for 10 minutes . The etched tracks are observed under a vie...
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ژورنال
عنوان ژورنال: Scientific American
سال: 1913
ISSN: 0036-8733
DOI: 10.1038/scientificamerican11081913-367b