Chemical News and Journal of Industrial Science, Tomy 129-130Chemical news office., 1924 |
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Strona 20
... regard to the Guareschi reaction , atten- tion has been drawn to the relative stability of the cyclohexane derivative as compared with the dimethyl compound , due to the alteration in the tetrahedral angle . It was found that the cyano ...
... regard to the Guareschi reaction , atten- tion has been drawn to the relative stability of the cyclohexane derivative as compared with the dimethyl compound , due to the alteration in the tetrahedral angle . It was found that the cyano ...
Strona 22
... regard to Russia , the most recent reports available state that the drought in the south , in the south - east , and in the Lower Volga Region , together with the ex- cessive rains in several of the northern regions , resulted during ...
... regard to Russia , the most recent reports available state that the drought in the south , in the south - east , and in the Lower Volga Region , together with the ex- cessive rains in several of the northern regions , resulted during ...
Strona 36
... regard to the properties of chro- mium dioxide , there are several interesting points to be noted . It is a dark grey , al- most black , solid . It is insoluble in liquids , such as ether , acetone , etc. When heated to 300 ° C. it ...
... regard to the properties of chro- mium dioxide , there are several interesting points to be noted . It is a dark grey , al- most black , solid . It is insoluble in liquids , such as ether , acetone , etc. When heated to 300 ° C. it ...
Strona 47
... regard to all the elements in the second row o fthe Periodic Table . ( a ) The only elements of atomic weight less than 36 , from each of which a single electro - positive force is known to emanate , are Na ( 23 ) , Li ( 7 ) , H , ( 3 ) ...
... regard to all the elements in the second row o fthe Periodic Table . ( a ) The only elements of atomic weight less than 36 , from each of which a single electro - positive force is known to emanate , are Na ( 23 ) , Li ( 7 ) , H , ( 3 ) ...
Strona 57
... methyl esters . It is shown to have the structure : · CH , [ CH ,, CH : CH [ CH , ] , CO , H . It is of interest that the ethenoid bond is in the same position with regard to the CH , JULY 25 , 1924 . 57 THE CHEMICAL NEWS .
... methyl esters . It is shown to have the structure : · CH , [ CH ,, CH : CH [ CH , ] , CO , H . It is of interest that the ethenoid bond is in the same position with regard to the CH , JULY 25 , 1924 . 57 THE CHEMICAL NEWS .
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