The New Encyclopaedia Britannica: Macropaedia: knowledge in depth. 19 vEncyclopaedia Britannica, Incorporated, 1981 - Encyclopedias and dictionaries |
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Page 328
... occur in anyone if wakefulness is suf- ficiently prolonged ; the presence of the excessive arousal False of anxiety ... occur . Similar phenomena that occur among aviators have been called fascination or fixation . During prolonged ...
... occur in anyone if wakefulness is suf- ficiently prolonged ; the presence of the excessive arousal False of anxiety ... occur . Similar phenomena that occur among aviators have been called fascination or fixation . During prolonged ...
Page 339
... occur in persons suffering from tuberculosis or syphilis , the damaging ef- fects of the immunological response , rather than the in- fective agents , are the main cause of the disease . De- layed - type hypersensitivity is also a cause ...
... occur in persons suffering from tuberculosis or syphilis , the damaging ef- fects of the immunological response , rather than the in- fective agents , are the main cause of the disease . De- layed - type hypersensitivity is also a cause ...
Page 529
... occur as gases , vapours , and particulate matter are usually more dangerous and difficult to control than compounds that normally occur as liquids . Liquids can have a direct action on skin and mucous membranes . Some are absorbed ...
... occur as gases , vapours , and particulate matter are usually more dangerous and difficult to control than compounds that normally occur as liquids . Liquids can have a direct action on skin and mucous membranes . Some are absorbed ...
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andesite Antarctic antibodies antigen atoms basalt basin bonds carbon cause cells centimetres central centre century chemical composition crystals cultural cycle cyclone earth east economic effect eruption evaporation feet feldspar feldspathoids flow freezing gabbro glaciers groundwater humidity Hungarian Hungary hunting hydrocarbons hydrogen hydrograph hydrologic hydrologic cycle hypnosis ice sheets icebergs Iceland ideology igneous rocks Illinois immunoglobulin immunological important increase India Indian industry intrusive kilometres king known lakes land lava layers lymphocytes mafic magma major melting ment metres miles millimetres minerals molecules mountain natural northern occur ocean parasitic percent philosophy plagioclase political population precipitation pressure produced rainfall range reaction region relatively result Reykjavík river runoff Samkhya snow social soil square kilometres structure surface temperature theory tion ture types United vapour Vedānta volcanic western wind zone