Results 11 to 20 of about 1,054,478 (169)
基于移动窗解卷积法的2011年日本东北 MW9.0大地震场地非线性时变识别
利用模拟记录和2011年日本东北MW9.0大地震观测记录分析了基于移动窗解卷积法识别场地非线性时变特征的可行性,并与移动窗谱比法的结果进行了对比分析。研究表明:基于移动窗解卷积法可以较好地揭示场地非线性随地震动水平的变化过程,识别非线性发生的阈值、非线性变化程度及强震动后的恢复程度;与移动窗谱比法相比,移动窗解卷积法更容易获得较为稳定的土体非线性时变过程,但对于存在强阻抗比的浅表层土体,移动窗谱比法可以获得更准确的非线性程度。对2011年日本东北MW9.0大地震中8个KiK ...
Qifang Liu, Changlong Chen
doaj +1 more source
在飞行器操纵面的铰链处往往存在间隙非线性,会导致在低于线性颤振速度下就出现了流固耦合振动,如极限环振荡。对于实际工程应用,结构模型往往是三维的,流动也是复杂的,会存在跨音速流动、粘性效应等气动非线性因素。建立基于计算流体力学/计算结构力学(CFD/CSD)耦合的间隙非线性气动弹性分析方法(JSV, 494 (2021), 115896)。流场网格变形采用径向基函数方法,减缩结构运动方程的建立采用虚拟质量法,间隙非线性切换点的捕捉采用二分法,通过二分法确定的自适应时间步长要返回到CFD程序 ...
郑冠男, 黄程德, 杨国伟
core +1 more source
Changes in the transformative potential of action proposals in Finnish Red Lists from 1986 to 2019
Abstract Red lists provide critical knowledge regarding biodiversity decline, especially in Finland, where broad assessments have been made regularly since the 1980s. They deliver information on the threat status of species and ecosystems, propose actions to guide conservation policy, and have the potential to spur transformative change.
Anni Arponen +4 more
wiley +1 more source
Behavioral interventions to reduce demand for threatened freshwater turtles as pets
Abstract Growing demand for freshwater turtles as pets has fueled illegal trade and accelerated wild population declines, underscoring the need for theory‐based demand‐reduction interventions. We conducted a three‐part randomized controlled trial with active turtle keepers (n = 1800) in China to test conservation‐ and legality‐framed messages by ...
Wuji Zheng +9 more
wiley +1 more source
Partisanship, Deservingness, and the Attitudinal Policy Feedback Process for Social Policy
ABSTRACT In an era of identity‐based partisan polarization, we examine whether social policies can still generate positive attitudinal feedback among beneficiaries. Drawing on nationally representative survey data, we demonstrate that partisanship conditions the policy feedback process through divergent perceptions of group deservingness.
Chris Faricy, Christopher Ellis
wiley +1 more source
Resource Substitution: Local Governments' Issue Attention and Policy Reinvention
ABSTRACT Research on policy reinvention, where a government modifies rather than replicates policy innovations introduced by other governments, has progressed significantly, but how it is influenced by the government's issue attention has not been thoroughly examined.
Yingxin Zhang, Yixue Yao, Kaifeng Yang
wiley +1 more source
Challenges in Advancing LGBTQ+ Equity and Research in Southeast Asian Countries: A Brief Report
ABSTRACT This brief report provides preliminary findings on the challenges faced by academics, community workers, and other individuals involved in LGBTQ+ rights activism and research in Southeast Asia (SEA), with larger shares of participants from the Philippines, Malaysia, Thailand, and Vietnam.
Viet D. M. Trinh +2 more
wiley +1 more source
Three Systemic Problems With the Privacy Notice Ecosystem
ABSTRACT Privacy notices have become ubiquitous across digital platforms, yet they consistently fail to enable informed user choice about data collection and sharing practices. Despite decades of research and regulatory interventions, users continue to ignore or misunderstand privacy notices.
Sophia Walsh +2 more
wiley +1 more source
Atomically Thin Sn:GaN‐GaN Homojunction for High‐Sensitivity β‐Ray Detection
ABSTRACT Gallium nitride (GaN), a third‐generation wide‐bandgap semiconductor renowned for its superior radiation tolerance, holds promise for advanced β‐ray detection. Herein, a scalable liquid metal‐assisted in situ synthesis method is presented to fabricate Sn‐doped GaN homojunctions via gallium oxide printing followed by ammonolysis, enabling ...
Weiqing Liu +8 more
wiley +1 more source

