1.

It is desirable that sintering stops when ______

A. ( frac{dA_{SV}}{dA_{SS}} )is close to zero
B. ( frac{dA_{SS}}{dA_{SV}} ) is close to zero
C. <sub>SS</sub> &gt;&gt; <sub>SV</sub>
D. ( frac{-dA_{SV}}{dA_{SS}} )is close to zero
Answer» E.


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