The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 328
... methods already described . Substitution methods may involve monoalphabetic , digraphic , or polyalphabetic encipherments , such as those discussed above . A favourite method with two - part codes is that in which the code group ...
... methods already described . Substitution methods may involve monoalphabetic , digraphic , or polyalphabetic encipherments , such as those discussed above . A favourite method with two - part codes is that in which the code group ...
Page 339
... methods can be made on the basis of the procedure used for bringing about supersaturation . It includes both isothermal and non - isothermal methods . The isothermal methods are : ( 1 ) solvent evaporation or change in solvent ...
... methods can be made on the basis of the procedure used for bringing about supersaturation . It includes both isothermal and non - isothermal methods . The isothermal methods are : ( 1 ) solvent evaporation or change in solvent ...
Page 759
... methods may produce a solution of the extremal problem . For example , from among the functions that have continuous second derivatives in V and on S and take on the prescribed values f on S , that function which makes the integral of ...
... methods may produce a solution of the extremal problem . For example , from among the functions that have continuous second derivatives in V and on S and take on the prescribed values f on S , that function which makes the integral of ...
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activity American animals appear areas authority become body called cause cells central century charge common complex conservation consists constant constitution consumer contain continental continued copper cosmic rays countries court crime criminal Crusade direct early effect electron elements energy England established Europe evidence example exist fact field force ground groups House important increase individual industrial involved Italy known land later less letters limited living major material means measure ment metal natural occur organic original particles particular party percent period person play political population position present problems protection reefs region remains result rule social South species structure theory tion United usually various