piss0204 发表于 2004-7-19 08:29:00

請問????

請問AL2O3MGF2HFO2 材料的熔點 與蒸發點

zz 发表于 2004-7-19 16:23:00

<P>melting point:Al2O3-2046;MgF2-1266;HfO2-2812</P><P>Boiling point:Al2O3-2980;MgF2-2239;HfO2-5400</P>

piss0204 发表于 2004-7-19 20:35:00

<P>HFO2的蒸發點有那麼高嗎???</P>

likeoe 发表于 2004-7-21 10:31:00

<P><a href="http://www.webelements.com/webelements/compounds/text/Hf/Hf1O2-12055231.html" target="_blank" >http://www.webelements.com/webelements/compounds/text/Hf/Hf1O2-12055231.html</A></P><P>其实许多材料的物理特性都可从，<a href="http://www.webelements.com" target="_blank" >www.webelements.com</A>中查到</P>

zz 发表于 2004-7-21 16:04:00

The boiling point is not the evaporating   point. The evaporating point is close to the melting point.
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