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7篇 您的检索式:作者名="Donà"
    题名 作者 年代 出处 被引量
1Significance of multiple HPV infection in cervical cancer patients and its impact on treatment response显示文摘Munagala R Donà MG Rai SN 2009Int J Oncol2009,34,1:1
2First–trimester exposure to metformin and risk of birth defects:a systematic review and meta-analysis显示文摘Cassina M DonàM Di Gianantonio E 2014Hum Reprod Update2014,20,5:1
3Significance of multiple HPV infection in cervical cancer patients and its impact on treatment response显示文摘Munagala R Donà MG Rai SN 2009IntJ Oncol2009,34,1:1
4黏滞阻尼器-基础隔震混合体系优化研究显示文摘针对隔震层设置黏滞阻尼器的基础隔震结构,提出了非支配排序遗传算法-Ⅱ(NSGA-Ⅱ)的黏滞阻尼器的参数多目标优化方法。采用Bouc-Wen模型模拟隔震层的力-变形行为,建立受控结构运动方程,并进行非线性时程分析,选用隔震层位移及上部结构顶部相对隔震层位移为优化目标,采用NSGA-Ⅱ遗传算法优化得Pareto最优前沿解集。以某六层基础隔震结构为例进行数值分析,通过分析隔震层振动响应的快速傅里叶变换(FFT)谱及反应谱,以及通过调整优化目标的约束条件及参数的优化范围,利用NSGA-Ⅱ算法获得了较为集中的阻尼器参数分布,然后通过其它地震波验证了黏滞阻尼器的减震效果。结果表明,优化所得阻尼器能有效减少了隔震层的位移;当优化所得阻尼器对上部结构地震响应不利时,可通过降低阻尼器的减震效果使上部结构地震响应控制在合理范围内;不同地震波作用下阻尼器减震效果存在差异,在第一周期范围内,当隔震层的激励频率趋向低频时,阻尼器对隔震层位移控制效果越好;阻尼器减震效果与隔震层的附加阻尼有关,提供过大的附加阻尼比对上部结构较高阶动力反应不利;设计者基于隔震层位移控制的阀值及缩小的阻尼器参数优化范围,可获得应用于实际工程的阻尼器参数。陈瑞生 吴进标 刘彦辉 Marco Donà 金建敏 2020振动与冲击2020,39,11:5
5Dynamical interactions of dark energy and dark matter:Yang-Mills condensate and QCD axions显示文摘We analyze a model of cold axion dark matter weakly coupled with a dark gluon condensate,reproducing dark energy.We first review how to recover the dark energy behavior using the functional renormalization group approach,and ground our study in the properties of the effective Lagrangian,to be determined non-perturbatively.Then,within the context of G_(SM)×SU(2)_D×U(1)_(P Q),we consider Yang-Mills condensate(YMC)interactions with QCD axions.We predict a transfer of dark energy density into dark matter density,that can be tested in the next generation of experiments dedicated to dark energy measurements.We obtain new bounds on the interactions between the Yang-Mills condensate and axion dark matter from Planck data:the new physics interaction scale related to the axion/gluon condensate mixing is constrained to be higher than the 10~6GeV energy scale.Andrea Addazi Pietro Donà Antonino Marcianò 2018Chinese Physics C2018,42,7:0
6Improving the Seismic Performance of Staircases in Building Structures with a Novel Isolator显示文摘A staircase provides the main escape way from a building in an emergency.Unfortunately,it may suffer severe damages or even collapse during an earthquake.For improving the seismic performance of staircases,this paper proposes an innovative staircase isolator with the features of lightweight,costeffective and ease of construction and replacement,which is formed by suitable engineering plastic shims between rubber layers.A connection construction scheme is also proposed for the isolated staircase.Systematic performance tests have been carried out to characterize the isolator in terms of mechanic behavior and ultimate states.The test results show that mechanical properties of the proposed staircase isolator are excellent and suitable for staircase in building structure.In order to investigate the influence of staircase on building structural responses,time history analyses of a typical building structure without staircase(WS),with fixed staircase(FS)and with isolated staircase(IS)are conducted and compared within the environment of SAP2000.Results show that staircase isolation can effectively eliminate the diagonal bracing effect of staircase slab and make structural components uniformly stressed.When the novel isolator is employed for staircase in a building structure,there is no vulnerable position in staircase and the performance of staircase in building structure can be greatly enhanced.Yafei Zhang Ping Tan Haitao Ma Marco Donà 2020Computer Modeling in Engineering & Sciences2020,,8:0
7Understanding the molecular pathways associated with seed vigor显示文摘Lorenzo Ventura Mattia Donà Anca Macovei Daniela Carbonera Armando Buttafava Andrea Mondoni Graziano Rossi Alma Balestrazzi 2012Plant Physiology and Biochemistry2012,,:1
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