Nature, Količina 92Sir Norman Lockyer Macmillan Journals Limited, 1913 |
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Zadetki 1–3 od 78
Stran 74
... carbon , despite the difficulty caused by the existence of carbon monoxide . Now , carbon is believed to be bivalent in the carbamines , fulminic acid and other compounds , as well as in carbon monoxide , and its tervalency is coming ...
... carbon , despite the difficulty caused by the existence of carbon monoxide . Now , carbon is believed to be bivalent in the carbamines , fulminic acid and other compounds , as well as in carbon monoxide , and its tervalency is coming ...
Stran 75
... carbon compound and addendum , followed by disruption into two new molecules , the substituted carbon compound being one of them . It is clear , then , from the point of view of Kekulé's hypothesis , that some degree of unsatura- tion ...
... carbon compound and addendum , followed by disruption into two new molecules , the substituted carbon compound being one of them . It is clear , then , from the point of view of Kekulé's hypothesis , that some degree of unsatura- tion ...
Stran 77
... carbon atom , by another is a fact of much theoretical interest , as has already been indicated ; that a change in the sign of rotation should occur when an exchange of the same radicals is achieved by one reagent and not by another is ...
... carbon atom , by another is a fact of much theoretical interest , as has already been indicated ; that a change in the sign of rotation should occur when an exchange of the same radicals is achieved by one reagent and not by another is ...
Vsebina
Hurry Dr J B Ideals and Organisation of a Medical | 13 |
Hurst Major C C Genetics 490 | 63 |
Shipley Dr A E Guy A K Marshall Fauna of British Sullivan M X and F R Reid Soil Catalysis 560 | 85 |
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