The Encyclopedia Americana, Volume 7Grolier, 1989 - Encyclopedias and dictionaries |
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Page 452
... operation in the set S is a rule , or operation , which assigns some element of S to every pair of elements of S. If is a binary operation , then we let x y be the element assigned to the pair x , y by The operation is called ...
... operation in the set S is a rule , or operation , which assigns some element of S to every pair of elements of S. If is a binary operation , then we let x y be the element assigned to the pair x , y by The operation is called ...
Page 472
... operation is based on the processing of discrete quantities of information ( digits or characters ) , in contrast to analog computers , whose operation is based on continuously variable quantities such as lengths , weights , or voltages ...
... operation is based on the processing of discrete quantities of information ( digits or characters ) , in contrast to analog computers , whose operation is based on continuously variable quantities such as lengths , weights , or voltages ...
Page 761
... operations are performed . This operation , called concentration , consists of crush- ing , grinding , classification ( sizing ) , flotation , and drying of the ore . The usual concentration of copper in the resulting product after this ...
... operations are performed . This operation , called concentration , consists of crush- ing , grinding , classification ( sizing ) , flotation , and drying of the ore . The usual concentration of copper in the resulting product after this ...
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