Results 121 to 130 of about 25,079 (167)

特高压悬吊换流阀上部约束减震控制体系研究

open access: yesGaoya dianqi
换流阀水平位移是地震下换流阀抗震性能评价的重要指标。为减小地震下换流阀位移响应,文中提出了由多根绝缘斜拉杆和弹簧阻尼节点组成的上部约束减震控制体系。以±800 kV特高压换流站的换流阀厅及换流阀塔为原型建立计算模型,输入长周期地震波,通过参数分析对上部约束减震控制体系进行优化设计。计算结果表明,在优化阻尼参数下,减震体系平均降低了48%的底部位移响应,上部约束减震控制体系可有效减小换流阀在长周期地震波下的底部位移。
冯志伟   +3 more
doaj  

[Effect of dephosphorylation of tumor metastasis suppressor gene <i>LASS2</i> on vacuolar ATPase activity and invasiveness of prostate cancer]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Liu Y   +8 more
europepmc   +1 more source

[Anteromedial cortical support reduction in treatment of trochanteric femur fractures: a ten-year reappraisal]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Hu S   +7 more
europepmc   +1 more source

[Effectiveness of three-dimensional printing-assisted vascularized fibular graft for repairing metatarsal defects]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Zhou R   +8 more
europepmc   +1 more source

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