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When a metal is shaped or drawn, it does not fracture, because the ions in the
planes of its crystal structure are quite easily displaced with respect to one
another. Moreover, the nonlocalized valence electrons act as a buffer between
the ions ...
Thus, any craters formed on the Earth's surface will tend to be larger than the
average size of all entering intensive searching, and development of new criteria
for recognizing impact structures. The astrobleme concept provided a better ...
U.S. discovery and development of polarography development of radiocarbon
dating study of chemical steps that take place during photosynthesis
determination of the structure of hemoproteins structure and synthesis of
polymers in the field ...
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The New Encyclopaedia Britannica (Encyclopaedia)User Review - Not Available - Book Verdict
For virtually all its 238 years,Britannica has ruled the shelves as a peerless general encyclopedia. Reviewers have consistently given it high marks for most of the 12 criteria identified inKister's ... Read full review