The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 613
... accelerator ( see ACCELERA- TOR , PARTICLE ) . These motors use concentric coils and , when excited by a polyphase current supply , a travelling wave is developed . This wave interacts with any conduc- tor , producing a force that tends ...
... accelerator ( see ACCELERA- TOR , PARTICLE ) . These motors use concentric coils and , when excited by a polyphase current supply , a travelling wave is developed . This wave interacts with any conduc- tor , producing a force that tends ...
Page 838
... accelerator of adrenocortical aldosterone secre- tion ( glomerulotropin ) , and an inhibitor of estrus in rats ( anestrin ) that may be the same as melatonin . Also , sero- tonin and metabolites such as 5 - hydroxyindoleacetic acid ( 5 ...
... accelerator of adrenocortical aldosterone secre- tion ( glomerulotropin ) , and an inhibitor of estrus in rats ( anestrin ) that may be the same as melatonin . Also , sero- tonin and metabolites such as 5 - hydroxyindoleacetic acid ( 5 ...
Page 896
... accelerators , of the thousands of successive complex biochemical reactions that take place in all living things . Enzymes are controlled by activators and inhibitors that initiate or block reactions . All cells contain enzymes , which ...
... accelerators , of the thousands of successive complex biochemical reactions that take place in all living things . Enzymes are controlled by activators and inhibitors that initiate or block reactions . All cells contain enzymes , which ...
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activity Africa agriculture America became become body called capital caused central centre century changes Christian Church continued core countries cultural demand direction early Earth East Eastern eclipse economic effect established Europe example feet field Figure flow force groups growth important income increase industry internal investment Italy kilometres known labour Lake land later less living magnetic major mantle material means measurements ment metres miles mountains move movement nature North observed occur ocean organization origin Orthodox patriarch percent period planning Pleistocene political population position possible present problems production region relatively remained result rise River rocks social society South species structure surface theory tion trade traditional United West Western