The New Encyclopędia BritannicaEncyclopędia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 14
... NATURAL ABRASIVES Most natural abrasives have been replaced by manu- factured or synthetic abrasives . This is because nearly all industrial applications demand consistent properties from lot to lot for uniform manufacturing results ...
... NATURAL ABRASIVES Most natural abrasives have been replaced by manu- factured or synthetic abrasives . This is because nearly all industrial applications demand consistent properties from lot to lot for uniform manufacturing results ...
Page 89
... NATURAL ADHESIVES Natural adhesives are primarily of animal or vegetable origin . Sodium silicate ( water glass ) is virtually the only inorganic natural product important as an adhesive . It is also the only nonpolymeric adhesive ...
... NATURAL ADHESIVES Natural adhesives are primarily of animal or vegetable origin . Sodium silicate ( water glass ) is virtually the only inorganic natural product important as an adhesive . It is also the only nonpolymeric adhesive ...
Page 549
... NATURAL TRANSFORMATIONS One further basic notion in the theory of categories , or , as it may be said , a basic item of categorical language , will now be introduced . This is the notion of a natural transformation of functors from one ...
... NATURAL TRANSFORMATIONS One further basic notion in the theory of categories , or , as it may be said , a basic item of categorical language , will now be introduced . This is the notion of a natural transformation of functors from one ...
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accelerator acid activity Adams administrative advertising Aeschylus aesthetic Africa agriculture animals appear become body called Central century changes contains continued cost countries crops cultural dance early East effect electrons elements engineering established example farm feet field figures flight followed function human important increase industry influence Italy Khoisan Knossos known Lake land languages later less living major materials means ment natural occur operations organization original patterns percent performance period plants play political population present production range region remains represented result River society sound South southern species structure style theory tion traditional United usually variety West Western widely