Nature, Količina 80Sir Norman Lockyer Macmillan Journals Limited, 1909 |
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Zadetki 1–3 od 83
Stran 125
... light than the cones ; hence more rapid rota- tion of the disc in the usual method of eliciting the flicker phenomenon is necessary to produce complete fusion with the eye adapted for light than with the dark adapted eye . It became of ...
... light than the cones ; hence more rapid rota- tion of the disc in the usual method of eliciting the flicker phenomenon is necessary to produce complete fusion with the eye adapted for light than with the dark adapted eye . It became of ...
Stran 420
... light , but the phenomena were observed after the solutions had remained in the dark , although light appeared to accelerate the changes . The changes also occurred when the solutions were kept out of contact with the atmosphere and ...
... light , but the phenomena were observed after the solutions had remained in the dark , although light appeared to accelerate the changes . The changes also occurred when the solutions were kept out of contact with the atmosphere and ...
Stran 473
... light was discussed by Dr. F. Weigert , who by examination of the photochemical change of anthracene into dianthracene concluded that nearly 5 per cent . of the total amount of absorbed light was converted into work . M. Malfitano , in ...
... light was discussed by Dr. F. Weigert , who by examination of the photochemical change of anthracene into dianthracene concluded that nearly 5 per cent . of the total amount of absorbed light was converted into work . M. Malfitano , in ...
Vsebina
Blaise E Syntheses by Means of the Mixed Zinc Organo | 29 |
lings Sir W T ThiseltonDyer 349 Flora of Ngami extraordinaria 137 | 102 |
Blennerhassett Sir Rowland Death and Obituary Notice | 103 |
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acid agricultural algæ amount apogamy appears April Archibald Geikie astronomical British carbon cent centre chemical chemistry cholesterol College colour contains dealing described direction discussion effect electric engine expedition experimental experiments fact feet gases given gives Greenwich mean heat helium hydrogen illustrated important inches interest investigation ionisation Island J. J. Thomson Karl Pearson laboratory large number lectures lines London magnetic March matter ment method miles Museum nature observations Observatory obtained original oxygen paper parthenogenesis photographs physical plants plates Poldhu position practical present pressure produced Prof published radiation radio-active radium radium bromide rays recent record reference regard Royal Society schools scientific secondary South species spectroheliograph stars steam surface tantalum technical temperature theory thorium tion tube University uranium various velocity Victoria Land volume