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Integrating Factors and Conservation Theorems of Lagrangian Equations for Nonconservative Mechanical
[期刊论文] 作者:QIAO Yong-Fen,ZHAO Shu-Hong,
来源:理论物理通讯:英文版 年份:2006
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Integrating Factors and Conservation Theorems of Lagrangian Equations for Nonconservative Mechanical
[期刊论文] 作者:QIAO Yong-Fen,ZHAO Shu-Hong,
来源:理论物理通讯(英文版) 年份:2004
The conservation theorems of the generalized Lagrangian equations for nonconservative mechanical system are studied by using method of integrating factors. Firs...
[期刊论文] 作者:QIAO Yong-Fen,ZHAO Shu-Hong,LI,
来源:黑龙江科技学院学报 年份:2007
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
[期刊论文] 作者:Qiao Yong-Fen,Zhao Shu-Hong,SU,
来源:理论物理通讯(英文版) 年份:2005
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
[期刊论文] 作者:Ben-Gang Wang,De-Hui Yi,Yong-Fen,
来源:Chinese Journal of Cancer 年份:2020
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Non-Noether Conserved Quantity of Nonholonomic System Having Variable Mass and Unilateral Constraint
[期刊论文] 作者:Qiao Yong-Fen,LI Ren-Jie,MA Yo,
来源:黑龙江科技学院学报 年份:2004
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
[期刊论文] 作者:Qiao Yong-Fen,LI Ren-Jie,MA Yo,
来源:理论物理通讯(英文版) 年份:2004
Using form invariance under special infinitesimal transformations in which time is not variable, the non-Noether conserved quantity of the relativistic nonholon...
[期刊论文] 作者:DENG Wei,YI Yong-fen,YANG Ya-y,
来源:中国癌症研究(英文版) 年份:2004
Objective:To investigate the expression of maspin,uPA and MMP-7 in gastric carcinoma and discuss their roles in tumorigenesis and progression of gastric cancer....
[期刊论文] 作者:WU Jun-mei,LUO Yong-fen,WEI Do,
来源:针灸推拿医学(英文版) 年份:2004
目的:研究针刺对海洛因依赖者脱毒末期病态心理的改善作用.方法:选用针刺疗法、阿片加针刺疗法与阿片加丁丙诺啡及阿片加韩氏戒毒仪四种脱毒方法,应用症状自评量表,研究针刺...
[期刊论文] 作者:Zhi-ao Chen,Mei-yan Bao,Yong-fen Xu,Ruo-peng Zha,Hai-bing Shi,Tao-yang Chen,Xiang-huo He,,
来源:Cancer Biology & Medicine 年份:2012
Objective To investigate the roles of theγ-aminobutyric acid(GABA) in the metastasis of hepatocellular carcinoma(HCC) and to explore the potential of a novel t...
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