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Analytical and Numerical Studies for Chaotic Dynamics of a Duffing Oscillator with a Parametric Forc
[期刊论文] 作者：WANG Yan-Qun,WU Qin,
来源：理论物理通讯：英文版 年份：2007
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Analytical and Numerical Studies for Chaotic Dynamics of a Duffing Oscillator with a Parametric Forc
[期刊论文] 作者：WANG Yan-Qun,WU Qin,
来源：理论物理通讯（英文版） 年份：2004
The chaotic dynamics of a Duffing oscillator with a parametric force is investigated. By using the direct perturbation technique, we analytically obtain the gen...
Effects of different nitrogen fertilizer management practices on wheat yields and N_2O emissions fro
[期刊论文] 作者：LIU Ya-nan,LI Ying-chun,PENG Zheng-ping,WANG Yan-qun,MA Shao-yun,GUO Li-ping,LIN Er-da,HAN Xue,,
来源：Journal of Integrative Agriculture 年份：2015
Nitrogen(N) is one of the macronutrients required for plant growth, and reasonable application of N fertilizers can increase crop yields and improve their quali...
[会议论文] 作者：Yi Zhang,Tong-wen Ou,Wei Gao,Jiang-tao Wu,Xin Cui,Jian-guo Jia,Gang Wang,Yan-qun Na,
来源：26th World Congress of Endourology & SWL(WCE 2008)(第26届国 年份：2008
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[会议论文] 作者：Yi Zhang,Tong-wen Ou,Jian-guo Jia,Wei Gao,Jiang-tao Wu,Xin Cui,Gang Wang,Yan-qun Na,
来源：26th World Congress of Endourology & SWL(WCE 2008)(第26届国际腔道泌 年份：2008
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