The New Encyclopaedia Britannica, Volume 4Encyclopaedia Britannica, 1974 - Encyclopedias and dictionaries |
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Page 121
... carbon and nitrogen , called the carbon - nitrogen cycle , the nuclei of carbon and nitrogen are used as cata- lysts to transform hydrogen into helium ; protons are suc- cessively added to carbon or nitrogen until a helium nu- cleus can ...
... carbon and nitrogen , called the carbon - nitrogen cycle , the nuclei of carbon and nitrogen are used as cata- lysts to transform hydrogen into helium ; protons are suc- cessively added to carbon or nitrogen until a helium nu- cleus can ...
Page 133
... carbon black . Carbon black is one of the most important industrial chemical products . World production in the early 1970s was of the order of 4,000,000-5,000,000 tons annually , with a large number of countries producing it . Carbon ...
... carbon black . Carbon black is one of the most important industrial chemical products . World production in the early 1970s was of the order of 4,000,000-5,000,000 tons annually , with a large number of countries producing it . Carbon ...
Page 154
... carbon de- termines that the electrophilic proton finds it easier to at- tack that carbon rather than the central carbon atom . Addition by this mechanism can be accompanied by substitution and by rearrangement as alternative reac ...
... carbon de- termines that the electrophilic proton finds it easier to at- tack that carbon rather than the central carbon atom . Addition by this mechanism can be accompanied by substitution and by rearrangement as alternative reac ...
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acid activity administration ammonia army atomic orbitals became benzene bonds called carbon atoms cells central centre Ceylon Ch'in Chaetognatha Charadriiformes Charles Chaucer Chekiang chemical bond chemical reactions chemistry chemoreception Chess Chicago children's literature Chile China Chinese chloride chlorine Chou common complex compounds covalent covalent bonds cultural disease drugs dynasty early economic electrons elements emperor energy example fluorine groups Hopeh hydrogen important increased industry insects involved ions king known land large number Lo-yang major mass material ment metal methods molecular molecules nitrogen northern nuclei occur officials orbitals organic oxide oxygen party percent period political population provinces quartets reactants receptors region reign result river separation Shang shell Sinhalese social sodium sodium chloride southern species structure substances sulfonamide sulfur sulfuric acid Szechwan T'ang Taoist temperature tion Tsung turtles Yangtze