该模型能够较好地符合上升初始段及中间段的气泡上升速度。
The mathematical model for bubble rising velocity in the initial and middle regions is in good agreement with experimental data.
如果比标准空压机油中气泡上升速度快，说明这种油的粘度偏低。
If air pressure than the standard oil bubble rising fast, explain this oil viscosity is low.
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。
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.
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