AMONG those concerned with piezo-electric applications, it would appear that there is some confusion in the terminology for describing the interpenetrating twins which occur in α-quartz. For ...
The 44mm automatic features titanium, forged carbon and Brazilian-inspired accents; the 43mm quartz reinterprets Senna’s ...
Quartz is one of the most abundant minerals and occurs in many different geological settings. However, very few deposits are suitable for HPQ applications. Therefore, HPQ silica sand has become one of ...
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