Nature, Količina 39Nature Publishing Group, 1889 |
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Zadetki 1–3 od 77
Stran 359
... acid , by M. Berthelot . The remarkable character of the reactions of oxygenated water has induced the author to undertake further researches on the phenomena which it mani- fests in the presence of chromic acid . These studies show ...
... acid , by M. Berthelot . The remarkable character of the reactions of oxygenated water has induced the author to undertake further researches on the phenomena which it mani- fests in the presence of chromic acid . These studies show ...
Stran 434
... acid - anhydrides ( lactones ) , and the molecule of which contains 6 C - atoms " : ( a ) saccharinic acid , C , H12O6 , and its isomerides , iso- and meta - saccharinic acids , their lactone - anhydrides , C6H10O3 , lactone ...
... acid - anhydrides ( lactones ) , and the molecule of which contains 6 C - atoms " : ( a ) saccharinic acid , C , H12O6 , and its isomerides , iso- and meta - saccharinic acids , their lactone - anhydrides , C6H10O3 , lactone ...
Stran 598
... acid containing 2 per cent . of SO . Acid No. I. is the chief product when the sulphonation is effected at 70 ' during six hours ; acid No. II . is almost the sole product when the sulphonation is allowed to continue for a further six ...
... acid containing 2 per cent . of SO . Acid No. I. is the chief product when the sulphonation is effected at 70 ' during six hours ; acid No. II . is almost the sole product when the sulphonation is allowed to continue for a further six ...
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Launay L de Dilocations of Primitive Formations of North | 19 |
Lawson Inspector General R Deaths from Lightning 623 | 67 |
Holz Herr Dibromide of Crotonylene 467 | 71 |
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acid Algæ Annelids anticyclone appears Astronomical augite birds body British Cambrian character chemical College colour comet contains crystals December Decl described direction effect electric energy exhibited experiments fact feet geological give given Greenwich mean Gresham College haze heat important interesting investigation Islands January lava lectures light London magnetic mass matter means measure ment mesenteries metals meteorites method millimetres mineral mineral banding molecules motion muscles Museum natural selection nerves November observations Observatory obtained Olenellus organic origin Origin of Species P. L. Sclater paper particles phenomena photographs plants plates present probably produced Prof quartzite recent reference regard region remarkable rocks rotation Royal schists scientific Society species specimens stars structure substance surface temperature theory tion vapour Variable Stars velocity volume