This paper analyses the influence of end constraints, side displacement, positive and negative symmetric buckling form on integral stability of gantry crane's supporting legs.

本文分析了门式起重机腿端约束，侧移及正、反对称屈曲形式对支腿整体稳定性的影响。

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Computer is used to reach a numeric solution, theoretical length coefficients of end constraints of legs for different types of gantry crane structures are obtained. Practicall...

利用计算机数值求解，得到多种门式起重机结构形式腿端约束(计算)长度系数，为门式起重机支腿整体稳定性计算提供了实用的数据。

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Computer is used to reach a numeric solution, theoretical length coefficients of end constraints of legs for different types of gantry crane structures are obtained. Practically applicable...

利用计算机数值求解，得到多种门式起重机结构形式腿端约束(计算)长度系数，为门式起重机支腿整体稳定性计算提供了实用的数据。

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It's the fact that it's financial - the bit that really hurts is that there is still coal down there that we can get, but due to financial constraints it's put an end to it.

BBC: Maltby miners face Christmas gloom

Could a modern president leave Washington DC for weeks on end, especially if made to operate under the information constraints of the Depression era?

FORBES: The Presidency Is "Too Big For One Man"

Because the chips can be manufactured using conventional fabs and aren't subject to the same manufacturing constraints as traditional flash, they may also end up being far cheaper per gigabyte.

ENGADGET: Array-based flash memory could enable 1TB memory chips