النتائج (
العربية) 1:
[نسخ]نسخ!
The properties of some materials are directly related to their crystal structures. For example, pure and deformed magnesium and beryllium, having one crystalstructure, are much more brittle (i.e., fracture at lower degrees of deformation) than are pure anddeformed metals such as gold and silver that have yet another crystal structure (see Section 7.4).
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