The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 140
... organic mercury compounds dithiocarbamates chlorine based compounds inorganic compounds metal - organic compounds carboxylic aromatic aliphatic acid compounds heterocyclic nitrogen derivatives aliphatic organic nitrogen compounds ...
... organic mercury compounds dithiocarbamates chlorine based compounds inorganic compounds metal - organic compounds carboxylic aromatic aliphatic acid compounds heterocyclic nitrogen derivatives aliphatic organic nitrogen compounds ...
Page 366
... organic products , espe- cially carbohydrates . The chemical energy and electrical energy used by brain cells , for example , were once sun- light that was absorbed by the chlorophyll in green plants . In the past , green plants ...
... organic products , espe- cially carbohydrates . The chemical energy and electrical energy used by brain cells , for example , were once sun- light that was absorbed by the chlorophyll in green plants . In the past , green plants ...
Page 736
... organic microfossils but permit heavier , organic or inorganic fractions to sink . Commonly used heavy liquids include zinc chloride and bromoform . The extraction procedure must be done with considerable care to avoid contaminating the ...
... organic microfossils but permit heavier , organic or inorganic fractions to sink . Commonly used heavy liquids include zinc chloride and bromoform . The extraction procedure must be done with considerable care to avoid contaminating the ...
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