Chemical News and Journal of Industrial Science, Tomy 127-128Chemical news office., 1923 |
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Strona 6
... light . These conclu- sions seem to throw further light upon the comparative difficulty with which diffusion appears to take place through the apical meristem of the root compared with that of the shoot . L. J. HARRIS . The Titration of ...
... light . These conclu- sions seem to throw further light upon the comparative difficulty with which diffusion appears to take place through the apical meristem of the root compared with that of the shoot . L. J. HARRIS . The Titration of ...
Strona 11
... Light of Modern Research , by ULICK R. EVANS . More than a century ago , a controversy took place between Proust , who maintained that homogenous bodies had a fixed com- position , and Berthollet , who believed that the composition was ...
... Light of Modern Research , by ULICK R. EVANS . More than a century ago , a controversy took place between Proust , who maintained that homogenous bodies had a fixed com- position , and Berthollet , who believed that the composition was ...
Strona 12
... light was ruled out on the grounds that although re- duction has been recorded by gelatin and gum arabic , agar is not known to possess reducing properties . A second possible action of the light would be upon the rate of diffusion of ...
... light was ruled out on the grounds that although re- duction has been recorded by gelatin and gum arabic , agar is not known to possess reducing properties . A second possible action of the light would be upon the rate of diffusion of ...
Strona 13
... light on the mechanism of the phenomenon . In seeking an explanation of the influence of light on the formation of Liesegang bands , several factors must be considered . In addition to temperature changes , varia- tions in diffusion ...
... light on the mechanism of the phenomenon . In seeking an explanation of the influence of light on the formation of Liesegang bands , several factors must be considered . In addition to temperature changes , varia- tions in diffusion ...
Strona 17
... light and to soap . This dye remained the sole representa- tive of its class until some twenty years later a French chemist , Raymond Vidal , prepared the famous Vidal Black . He ob- tained it by fusion of sodium sulphide and sulphur ...
... light and to soap . This dye remained the sole representa- tive of its class until some twenty years later a French chemist , Raymond Vidal , prepared the famous Vidal Black . He ob- tained it by fusion of sodium sulphide and sulphur ...
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