Nature, Količina 109Sir Norman Lockyer Macmillan Journals Limited, 1922 |
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Zadetki 1–3 od 11
Stran 345
... formaldehyde in the plant , for it is already acti- vated when produced . The absence , therefore , of free formaldehyde in the growing leaf is explained by the fact that the photosynthetic process from carbonic acid to sugar takes ...
... formaldehyde in the plant , for it is already acti- vated when produced . The absence , therefore , of free formaldehyde in the growing leaf is explained by the fact that the photosynthetic process from carbonic acid to sugar takes ...
Stran 346
... formaldehyde , several hundred grams of concentrated sugar syrup have been prepared . Analysis of this syrup has shown that the sole products of the polymerisation are hexoses , no trace of a triose or pentose having been found . This ...
... formaldehyde , several hundred grams of concentrated sugar syrup have been prepared . Analysis of this syrup has shown that the sole products of the polymerisation are hexoses , no trace of a triose or pentose having been found . This ...
Stran 631
... formaldehyde to form hydrocyanic acid by oxidation in an ammoniacal silver solution . Formaldehyde was oxidised in strongly ammoniacal solutions containing ammonium chloride and silver nitrate by a large excess of potassium permanganate ...
... formaldehyde to form hydrocyanic acid by oxidation in an ammoniacal silver solution . Formaldehyde was oxidised in strongly ammoniacal solutions containing ammonium chloride and silver nitrate by a large excess of potassium permanganate ...
Vsebina
Fouriers Series and Integrals and the Mathematical Chéveneau C An Optical Method for the Determination | xxxiii |
Fleming A P M and J G Pearce Research in Industry HillTops Vol 3 510 | xxxv |
Hannay A H Standards and Principles in Art 256 | xlii |
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acid annual appears Association Astronomical atmosphere atom BRITAIN British C. V. Raman carbon cent character chemical chemistry chlorophyll chromosomes College colour Committee discussion disease edition effect electric Engineers Ernest Rutherford experiments fact February February 9 formaldehyde Geological give given HORNIMAN MUSEUM hydrogen important increase industry interest investigation January laboratory large number larvæ Lecture light London magnetic March mathematics means measure mechanical ment metal Meteorological methods molecules Museum Napier Shaw NATURE observations obtained organic paper period photographs physical plants plates present president pressure problem produced Prof recent Report ROYAL AERONAUTICAL SOCIETY ROYAL INSTITUTION ROYAL SOCIETY School scientific Section SOCIETY OF MEDICINE South species stars surface T. H. Morgan TAVISTOCK CLINIC temperature theory tion tube University velocity volume W. H. R. Rivers