1. During heating,phase transformation and expansibility of the new quartz sands and the calcined Quartz sands from two places were determined by DSC and thermodilatometry.
   本研究采用DSC和热膨胀仪对两种石英砂的原砂和焙烧砂在加热过程中的相变和热膨胀进行了分析。

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