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For a one (2+1)-dimensional combined Kadomtsev-Petviashvili with its hierarchy equation,the missing D\'Alembert type s......
By considering the constitution relationship between stress and strain in viscous EDA media in the domain of frequency,......
After the horizontal pendulum is used in ground-tilt measurement, its scaling has drawn great attentions from the people......
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OBJECTIVE: The fatality of cancer is mostly dependent on the possibility of occurrence of metastasis. Thus, if the devel......
The global COVID-19 pandemic caused various economic contraction in most countries,including all of China’s major tradi......
Effect of genetic sources on anatomical,morphological,and mechanical properties of 14-year-old genet
Tree improvement programs on loblolly pine(Pinus taeda)in the southeastern USA has focused primarily on improving growth......
金安桥水电站左坝肩卸荷结构面和构造结构面发育,左坝肩边坡的稳定问题对整个大坝的安全起重要作用.本文分别采用弹性和弹塑性两种......
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对土-结构之间相互脱离、滑移现象提供了一个有效的分析方法.在分析中,用二维有限元和无限元耦合对地铁隧道进行动力时程分析.同时......
推导出输送机起动时输送带的弹性伸长量、张力的降低值和摩擦力备用系数.通过实例计算,说明刚性、弹性和恒力3种拉紧装置的选用原......
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提出用“两体作用”模型来研究自然界的岩体破裂换稳现象。具体分析了两冉体作用系统的失稳过程，运用微机差分计算获得了它的变形和......
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When polyethylene chains are stretched, the chains are regarded as being confined in an infinite cylinder withdecreasing......
运用Nerlove模型对1997-2011年我国鸭肉年产量和市场价格的年度数据进行了实证分析.结果表明,肉鸭的短期供给弹性为0.139 0,长期供......
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现有研究及震害反映剪力墙在首层破坏最为严重。RC少墙框架结构中,剪力墙因墙少受力大首先破坏,框架次之。规范对此类结构弹性层间......
A new statistical theory based on the rotational isomeric state model de-scribing the chain conformational free energy h......
针对介于具有集中柔度和具有分布柔度之间的全柔性机构，在利用伪刚体模型分析具有集中柔度的全柔性铰链四杆机构基础上，考虑构件的线......
China’s energy consumption for agricultural production has relied on petroleum and coal with relatively low input from ......
