The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 66
... elements are used instead of the symbols for actual elements , and the letter n is used instead of a num- ber when the numbers of atoms in the molecule are de- fined in terms of ratios . For example , any one alkali metal combines with ...
... elements are used instead of the symbols for actual elements , and the letter n is used instead of a num- ber when the numbers of atoms in the molecule are de- fined in terms of ratios . For example , any one alkali metal combines with ...
Page 520
... elements and can be conveniently described by diagrams : any graph with sloping lines defines a poset , the elements of which are the nodes of the graph ( the points at which two or more lines meet ) , and in which ab means that one can ...
... elements and can be conveniently described by diagrams : any graph with sloping lines defines a poset , the elements of which are the nodes of the graph ( the points at which two or more lines meet ) , and in which ab means that one can ...
Page 526
... elements of a group G , then all ex- pressions x12 ... x , in which every value of x is one of the a or an inverse a1 form a subgroup H that is said to be generated by a1 , a2 , ... , ar , and this is written Н H = ( a1 , a2 , ... , ar ) ...
... elements of a group G , then all ex- pressions x12 ... x , in which every value of x is one of the a or an inverse a1 form a subgroup H that is said to be generated by a1 , a2 , ... , ar , and this is written Н H = ( a1 , a2 , ... , ar ) ...
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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