2篇
您的检索式：作者名="Xinyao Lian"
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| 1 | Probabilistic analysis for the response of nonlinear base isolation system under the ground excitation induced by high dam flood discharge显示文摘According to theoretical analysis,a general characteristic of the ground vibration induced by high dam flood discharge is that the dominant frequency ranges over several narrow frequency bands,which is verified by observations from the Xiangjiaba Hydropower Station.Nonlinear base isolation is used to reduce the structure vibration under ground excitation and the advantage of the isolation application is that the low-frequency resonance problem does not need to be considered due to its excitation characteristics,which significantly facilitate the isolation design.In order to obtain the response probabilistic distribution of a nonlinear system,the state space split technique is modified.As only a few degrees of freedom are subjected to the random noise,the probabilistic distribution of the response without involving stochastic excitation is represented by theδfunction.Then,the sampling property of theδfunction is employed to reduce the dimension of the Fokker-PlanckKolmogorov(FPK)equation and the low-dimensional FPK equation is solvable with existing methods.Numerical results indicate that the proposed approach is effective and accurate.Moreover,the response probabilistic distributions are more reasonable and scientific than the peak responses calculated by conventional time and frequency domain methods. | Liang Chao Zhang Jinliang Lian Jijian Liu Fang Li Xinyao | 2017 | Earthquake Engineering and Engineering Vibration2017，16，4： | 2 |
| 2 | Healthy Lifestyles and Chronic Pain with New-Onset Metabolic-Related Multimorbidity among Older Adults—China,2011–2018显示文摘Summary What is already known about this topic?Chronic pain has been identified as a risk factor for cardiovascular diseases.Evidence shows that adopting a healthy lifestyle can help reduce the cardiometabolic risks associated with chronic pain.What is added by this report?Results from this cohort study suggest a positive association between chronic pain and the development of new-onset metabolic-related multimorbidity,specifically metabolic multimorbidity and cardiometabolic comorbidity,within middle-aged and older Chinese adults.Furthermore,adopting healthy lifestyles can potentially mitigate or even reverse these associations.What are the implications for public health practice?The results of our study emphasize the importance of promoting healthy lifestyles among older Chinese adults as a preventative measure against the medical burdens and cardiometabolic risks associated with chronic pain. | Ziyang Ren Yihao Zhao Guanyu Niu Xinyao Lian Xiaoying Zheng Shiyong Wu Jufen Liu | 2023 | China CDC weekly2023，5，16： | 0 |
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