环境温度低时气泡体积变小，承载力较大，不容易形成连通气泡。
Low ambient temperature smaller bubble size, larger capacity, it is not easy connectivity to form bubbles.
结果表明：气泡是影响分选精度的重要因素，其体积分率的变化与床层密度波动密切相关。
The result shows that the bubble is an important factor influencing coal separation, and the variation of its volume fraction is closely related to the variation of density of ADMFB.
铸坯内产生针孔气泡缺陷的原因是钢液脱氧不良，产生大体积气泡缺陷的原因是铸机浇注过程中氩气流量过高。
The defects on pinhole bubble formed in slabs result from badness deoxidization, and the defects on large volume bubbles formed in slabs result from the high flux of argon during casting.
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