The New Encyclopaedia Britannica: Macropaedia (19 v.)Encyclopaedia Britannica, 1983 - 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 of the industrial chemical products . Total world production by the late 1970s was about 4,800,000 tons annually , with a large number of countries producing it . Carbon black is ...
... carbon black . Carbon black is one of the most important of the industrial chemical products . Total world production by the late 1970s was about 4,800,000 tons annually , with a large number of countries producing it . Carbon black is ...
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 Buddhist called carbon atoms cells central centre Ceylon Ch'in Chaetognatha Charadriiformes Charles Chaucer chemical bonds chemical reactions chemistry chemoreception Chess Chicago children's literature Chile China Chinese chloride 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 materials ment metal methods molecular molecules nitrogen northern nucleus 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 trans Tsung turtles Yangtze