干砂负压消失模铸造技术(简称LFC)中模样是消失模铸造成败的关键，而泡沫珠粒的充填是获得优质泡沫模样的关键工序之一。
In lost foam casting (LFC), the foam pattern is the key qualification, and the filling process is one of the crucial processes to ensure the high quality of the foam pattern.
最后就空分行业安全使用珠光砂提出了建议。
Proposals for safe usage of perlite in air separation industry are also presented.
实验测定了不同粒径珠光砂在不同真空度下的表观导热系数。
The experimental research on the apparent conductivity of pearlite in different particle sizes and different vacuity is reported.
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