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Analytical formulas for carrier density and Fermi energy in semiconductors with a tight-binding band
[期刊论文] 作者：Cao Wenhan,
来源：城市道桥与防洪 年份：2015
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥...
[期刊论文] 作者：Cao Wenhan,
来源：大众科学（周刊） 年份：2020
In the course of more than 70 years of development， China Railway has been constantly reforming， and its basic direction is to move towards market-oriented. But at the same time， the inherent "people'...
Tribological Behaviours of PTFE Composites Filled with PEEK and Nano-ZrO2 Based on Pin-on-Flat Recip
[期刊论文] 作者：QI Yuan,GONG Jun,CAO Wenhan,WANG Honggang,
来源：武汉理工大学学报（材料科学版）（英文版） 年份：2020
Nano-ZrO2 and PEEK particles were synergistically filled in unfilled PTFE to improve the wear resistance and maintain a relatively low friction coefficient, and the materials were studied using a reciprocating sliding friction and wear test......
[期刊论文] 作者：CAO Wenhan,GONG Jun,QI Yuan,YANG Dongya,GAO Gui,WANG Honggang,REN Junfang,CHEN Shengsheng,
来源：武汉理工大学学报（材料科学版）（英文版） 年份：2019
Polytetrafluoroethylene (PTFE) is a commonly used seal material for oil-free engine that is well known for its excellent tribological properties. In this work, the nano-ZrO2 particles were used as the friction modifiers to improve the frict......
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