Smithsonian Miscellaneous Collections, Volume 87, Issue 10Smithsonian Institution, 1932 - Science |
Common terms and phrases
20 minutes action of ultra-violet agar algal cells algal plate algal spectrogram amount of ultra-violet Angstrom units Average areas bacteria bactericidal action bell jar black plate Browning and Russ Bucholtz cellophane cells of Chlorella Chlorella vulgaris chlorophyll color plate Decolorized densitometer record Detmer different wave lengths diffuse light Division of Radiation E. D. McAlister effect of ultra-violet exposed algae exposed to wave F. S. Brackett FLORENCE E green cells incident energy Intensity ergs/sec jar in diffuse LETHAL ACTION lethal regions lines Mean area measured MEIER Division monochromatic light monochromator month's ozone paramoecia photometer plate for exposure plate showing results plate was placed quantitative quartz spectrograph Radiation and Organisms Ratio relative lethal effect results of exposure second plate second traverse slit Smithsonian Institution solar radiation spectrum sterile petri dish suspension of green thermocouple thermopile ultra-violet irradiation ultra-violet light UNICELLULAR GREEN ALGA values wave lengths 3,130 wave lengths shorter