The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 246
... 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 257
... 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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activity amount antigen appear atoms become body bonds called cause central centre century common contain continued cover crystals cultural determined direct early east economic effect evaporation example fall feet Figure flow force glaciers Hungary hydrogen icebergs important income increase India individual industry internal Italy knowledge known lakes land later less major mass material means measure melting ment method metres miles minerals molecules natural North occur ocean organic origin percent period philosophy political population position present pressure produced range reaction regions relatively remains response result rise river rocks social soil structure supply surface temperature theory tion types United University usually various western wind