高温熔体的密度是描述其性质的重要物理量之一,可通过直接和间接两种方式测定.静滴法、膨胀计法和比重瓶法属于直接测定,而阿基米德法、气泡最大压力法和γ射线吸收法属于间接测定.本文介绍了各种高温熔体密度测定方法的原理和近期的应用情况,分析了其适用范围和优缺点,并结合目前测试中存在的问题提出了今后的发展方向.
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