The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 952
... types of convex polyhedra with nine ver- tices . The numbers of different types with four , five , six , seven , eight vertices have been known for some time to be 1 , 2 , 7 , 34 , 257 respectively . The theory of convex polytopes has ...
... types of convex polyhedra with nine ver- tices . The numbers of different types with four , five , six , seven , eight vertices have been known for some time to be 1 , 2 , 7 , 34 , 257 respectively . The theory of convex polytopes has ...
Page 1034
... types in relation to climates . The numbers refer to biome types listed in Table 5. The dot - and - dash line encloses a wide range of environments in which either grassland or one of the types dominated by woody plants may form the ...
... types in relation to climates . The numbers refer to biome types listed in Table 5. The dot - and - dash line encloses a wide range of environments in which either grassland or one of the types dominated by woody plants may form the ...
Page 1048
... types of circuitry , together with memory systems , power supplies , delay lines , and various types of magnetic media such as tapes and wires for car- rying and transforming data and information , as coded , into instructions and ...
... types of circuitry , together with memory systems , power supplies , delay lines , and various types of magnetic media such as tapes and wires for car- rying and transforming data and information , as coded , into instructions and ...
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acid activity addition administration appear atoms became become bonds called carbon cause central centre century charge Charles chemical chemistry Chess China Chinese combined common complete compounds containing continued cultural drugs early economic effect electrons elements energy established example Figure forces four give given groups hydrogen important increased industry involved ions Italy king known land later less literature living major mass materials ment metal methods molecular molecules move natural occur officials orbitals organic original party percent period play political population position possible present properties provinces reaction region remained represented result river rule separation social species structure substances successful temperature tion types United usually various