The critical buckling force of the microtubules in vitro is two orders of magnitude lower than that of the microtubules in living cells.
与之相比较，孤立的体外微管则皱曲成单一的长波长弧形。 体外微管的关键皱曲力要比活细胞条件下低两个数量级。
By the use of energy method, the formula of axial critical buckling force for a pipe with initial deflection in inclined curved Wells is derived.
利用能量法推导出斜井眼中具有初弯曲管柱稳定的轴向临界压力计算公式，讨论了初弯曲对轴向临界压力的影响。
When the initial deflection of a long pipe subjected to lateral loads is large, the effect of the initial deflection on critical buckling force for the pipe must be considered.
当初弯曲最大挠度比较大时，对于受侧向力作用的较长管柱，初弯曲对管柱轴向临界压力影响很大，必须加以考虑。
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