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The photochemistry of some [Beta], [gamma]-allenic and acetylenic ketones
The photochemistry of 3,3, 5, 5-tetramethylhepta-l, 6-diyn-4-one (4), 3, 3-dimethylhexa-4, 5-dien-2-one (5) and 3,3, 5, 5-tetramethylocta-1,6,7-trien-4-one (6) were investigated. The synthesis of 4 was carried out by alkali ...
Semiconductor behavior of polycrystalline oxide films on iron
The semiconductor behavior of zone refined, 99.95% (MRC) and Armco iron oxides has been studied. The three types of iron were compared for stability and intensity of semiconductor properties. Also the influence of oxide ...