The New Encyclopaedia Britannica, Volumes 1-10Encyclopaedia Britannica, 1974 - Reference [1] Propaedia: outline of knowledge and guide to the Britannica.--[2]-[11] Micropaedia: ready reference and index.--[12]-[30] Macropaedia: knowledge in depth. |
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Page 343
... chemical element that have different atomic masses ) . The atomic weight of carbon is 12.011 , the average that reflects the typical ratio of natural abundances of its isotopes . The concept of atomic weight is basic to chemistry , be ...
... chemical element that have different atomic masses ) . The atomic weight of carbon is 12.011 , the average that reflects the typical ratio of natural abundances of its isotopes . The concept of atomic weight is basic to chemistry , be ...
Page 350
... chemical insights , especially concerning the problem of what substances should be considered as chemical ele- ments . Boyle had shown conclusively that the traditional four " elements " were certainly not elementary sub- stances , but ...
... chemical insights , especially concerning the problem of what substances should be considered as chemical ele- ments . Boyle had shown conclusively that the traditional four " elements " were certainly not elementary sub- stances , but ...
Page 508
... Chemical processing . The most highly automated manufacture is found in the chemical process industries . The processing of gases and liquids is especially amenable to automation because of the ease with which materials can be ...
... Chemical processing . The most highly automated manufacture is found in the chemical process industries . The processing of gases and liquids is especially amenable to automation because of the ease with which materials can be ...
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The New Encyclopaedia Britannica, Volumes 1-10 Encyclopaedia Britannica Publishers, Inc. Staff No preview available - 1974 |
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19th century aesthetic ancient areas armour army arthropods artiodactyls artists aschelminths Asia Asian Assam Asterales astronomical atheism Athens atheriniforms Atlantic atmosphere atoms Basin beryciforms Cenozoic Central centre China climate countries criticism culture early Earth East economic effect electrons elements energy exosphere Finland forces forest fossil France function galaxies Games gases gastrotrichs German Greek groups Gt.Brit heterosphere Hittite homosphere hydrogen important increase India Indonesia industrial Italy Japan kilometres layer lines literature mass ment metres miles military modern molecules mountain North occur Ocean Olympic orbit organization original oxygen painting particles percent period planets Pleistocene political population priapulids produced radiation radio range region religion result rotifers Siberia social society solar South Southeast Southeast Asia southern Soviet species spectra spectrum stars structure style surface Sweden temperature theory tion tradition ture types usually wavelengths western zone