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1·The study used relatively small values of superficial gas velocity .

这项研究采用相当小的表观气速。

2·The solid holdup decreases with the increase in the superficial gas velocity.

固含率随表观气速的增加而降低，且沿轴向变化较大。

3·The solids density in the whole internal annular region decreases with increasing the superficial gas velocity.

随着内环表观气速的增大，整个内环床层密度均降低。

4·Further increase of the superficial gas velocity could not yield an additional increase in mean liquid velocity.

进一步增加表观气速，平均液体速度无明显增加。

5·The effects of superficial gas velocity, catalyst loading and liquid properties on gas holdup were investigated in a slurry reactor.

在淤浆床反应器中，考察了表观气速、催化剂同含率、液体种类对气含率的影响。

6·The gas holdup in the air-water system was slightly higher than in the air-paraffin system and it increased with superficial gas velocity.

结果表明：气含率随着表观气速的增加而增加。在空气-水体系中的气含率略大于空气-医用液体石蜡油-催化剂体系的气含率。

7·The effect of superficial gas velocity and static water height on the wavelet power spectrum is dis- cussed and the vibration mechanism of the tube is analyzed.

采用防水型加速度计，在不同工况下测定洗涤冷却管的振动信号，并用小波变换分析信号；讨论了表观气速和静态液位对小波功率谱的影响，分析了冷却管振动的原因。

8·Liquid circulation rate and gas holdup in an air-lift loop reactor were experimentally investigated as changing with the superficial gas velocity for the system of air-water.

浆液循环速度是外环流浆态床反应器研究中一个重要的流体力学参数，对流体的流动行为和相间传质有重要的影响。

9·The influences of the superficial gas velocity, solid holdup and flowing resistance on gas holdup, bubble size, bubble rise velocity and liquid velocity were systematically studied.

考察了表观气速、固含率和流动阻力对气含率、气泡大小、气泡上升速度和液速的影响。

10·With the decreasing of superficial gas velocity or increasing of solid mass flux, solid volume fraction at different axial positions increases simultaneously, while the particle velocity decreases.

随着表观气速的减小或颗粒循环量的增大，不同轴向位置的颗粒浓度都呈现增大的趋势，颗粒速度则降低。