根据鼓泡塔内液相流体的流动特点，我们希望在鼓泡塔内加入了一定数量按照一定规律排列的挡板，能够减弱鼓泡塔的液相轴向返混。
According to the liquid flow characteristic of bubble column, we hope to decrease axial backmixing of the liquid by putting some baffles which have certain distribution rule in the bubble column.
结果表明，当分散相一定时，拉伸强度随两相相对尺寸的增大和分散相颗粒相关性的减弱而减小。
Tensile strength was found to decline with increase of the ratio of average chord lengths of the two phases (L1/L2) and mass center distance (D).
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