The New Encyclopaedia Britannica: Macropaedia (19 v.)Encyclopaedia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 535
... common - cold virus ; a common - cold vaccine to be effective would have to contain all of these types , and there are many technical reasons why this cannot be done ; or the person to be pro- tected would require a large number of ...
... common - cold virus ; a common - cold vaccine to be effective would have to contain all of these types , and there are many technical reasons why this cannot be done ; or the person to be pro- tected would require a large number of ...
Page 541
... common cold . In the throat , conditions do not suit them quite so well , and , in the lower respiratory tract , where the most obvious differences are a rise in temperature and a fall in Respira- oxygen concentration , they are seldom ...
... common cold . In the throat , conditions do not suit them quite so well , and , in the lower respiratory tract , where the most obvious differences are a rise in temperature and a fall in Respira- oxygen concentration , they are seldom ...
Page 586
... common ancestor continued into the 20th century . In western Europe the common ownership of pastures and woods , which grew out of the former system of common ownership of the land of a village , can still be found , especially in the ...
... common ancestor continued into the 20th century . In western Europe the common ownership of pastures and woods , which grew out of the former system of common ownership of the land of a village , can still be found , especially in the ...
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activity andesite antibodies antigen atoms basalt basin bonds carbon cause cells centimetres central centre century chemical composition crystals cultural cycle cyclone earth economic effect eruption evaporation example feet feldspar feldspathoids flow freezing gabbro glaciers groundwater hallucinations heat hockey humidity Hungarian Hungary hydrocarbons hydrogen hydrograph hydrologic hydrologic cycle hypnosis hypnotic ice sheets icebergs Iceland ideology igneous rocks Illinois illusion immunoglobulin immunological important increase India industrial intrusive kilometres king lakes land lava layers lymphocytes mafic magma major melting ment metres miles millimetres minerals molecules mountain northern occur ocean parasitic percent philosophy plagioclase political population precipitation pressure produced pyroxene rainfall reaction region relatively result river runoff snow social soil specific square kilometres square miles structure surface temperature theory tion types United vapour volcanic western wind zone