Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3751Chemical news office., 1932 |
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Strona 150
... nature and the ease with which it is worked . Although the first mention of cellulose ethers is by Suida ( Monstsheft , 1905 , 26 , 415 ) and the methylation of cellulose is de- scribed by Denham and Woodhouse ( J.C.S. , 1913 , 104 ...
... nature and the ease with which it is worked . Although the first mention of cellulose ethers is by Suida ( Monstsheft , 1905 , 26 , 415 ) and the methylation of cellulose is de- scribed by Denham and Woodhouse ( J.C.S. , 1913 , 104 ...
Strona 152
... nature of organic compounds , including even the com- plex derivatives of both aliphatic and aromatic sections of ... natural must vary in quality , but from synthetic gums and oils which can be chemically controlled and guaranteed ...
... nature of organic compounds , including even the com- plex derivatives of both aliphatic and aromatic sections of ... natural must vary in quality , but from synthetic gums and oils which can be chemically controlled and guaranteed ...
Strona 155
out of account the chemical nature of both the ions and the solvent molecules . By its dielectric constant the ... natural occurrence , isolation and preparation of all these in adequate detail has been the task of the author and it is ...
out of account the chemical nature of both the ions and the solvent molecules . By its dielectric constant the ... natural occurrence , isolation and preparation of all these in adequate detail has been the task of the author and it is ...
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