A vertical stiffening rib joint is suitable for rectangular steel tube column with smaller section to H-beam connection.

垂直加劲肋节点适用于柱截面较小的方钢管(矩形管)柱和H型钢梁节点。

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Square steel tube column filled with steel-reinforced concrete is a new design model of steel-concrete composite columns.

钢骨-方钢管混凝土柱是一种组合柱设计模式，采用切线模量理论对该组合柱轴向受压稳定承载力进行分析。

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The influence factors about destruction shape of concrete-filled steel tube column and the optimum restrain coefficients are discussed.

同时探讨了影响钢管混凝土柱破坏形态的因素及最佳约束系数。

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The vibrations of the lips, focused and amplified by the mouthpiece and directed into the tube, cause the column of air inside the tube to vibrate, and as in all wind instruments, the vibrating air column produces the sound of the instrument.

NPR: Young Tuba Player Gets Nod from Phila. Orchestra

One is to change the length of the tube, and thus the length of the vibrating air column.

NPR: Young Tuba Player Gets Nod from Phila. Orchestra