Statistical analysis indicates that the electric vibrating screen is unsuitable for granulometry of glass raw materials .

结果是电动式振筛机不适用于玻璃原料粒分析。

The distensibility of BOF slag was measured by steam test method and the effect of size and ageing time on the distensibility was investigated.These gives evidence for application of BOF slag.

用压蒸法测定了转炉膨胀性，分析了粒和陈化时间对转炉膨胀性影响，为转炉用提供依据。