The New Encyclopædia Britannica in 30 Volumes: Macropædia : Knowledge in Depth. - 19 Bd, Volumes 1-19Encyclopædia Britannica, 1974 |
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Page 293
... goes through two stages . In the first step , little nonradiaan activated state . The primary photochemical step then or no energy is lost ; the energy of electronic excitation is tive occurs ; it may take the form of any of a number of ...
... goes through two stages . In the first step , little nonradiaan activated state . The primary photochemical step then or no energy is lost ; the energy of electronic excitation is tive occurs ; it may take the form of any of a number of ...
Page 294
... go on to attack hydrocarbons , in typical urban atmospheres . Reactions in which atoms move from one site to another ... go into a new excited state , which , left alone , would be short - lived ( less than about 10-6 second ) ; or it ...
... go on to attack hydrocarbons , in typical urban atmospheres . Reactions in which atoms move from one site to another ... go into a new excited state , which , left alone , would be short - lived ( less than about 10-6 second ) ; or it ...
Page 961
... go through face or hands ; a systolic blood pressure of 140 milli- rapid , strong , and agitated contractions and ... goes and its energetic treatment from the first appearance of of through a characteristic course : she has an ...
... go through face or hands ; a systolic blood pressure of 140 milli- rapid , strong , and agitated contractions and ... goes and its energetic treatment from the first appearance of of through a characteristic course : she has an ...
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activity America animals appear areas atoms became become body called camera century changes chemical Church colour common complete compounds consists containing continued drugs early effect electrons elements energy example existence experience Family field Figure fins fishes human important increase individual industry islands Italy known later less light liquid living lower major material means ment methods movement natural North occur organic original Peking Pentecostal percent period Persian personality pest Peter petroleum phase Philip philosophy photographs plant political position possible practice present pressure printing problems production Quakers range region remains result rocks similar social South species structure surface temperature theory tion United University usually widely