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Conservation Biology, Volume 37, Issue 1, February 2023., 2023 Abstract Invasive species can dramatically alter ecosystems, but eradication is difficult, and suppression is expensive once they are established. Uncertainties in the potential for expansion and impacts by an invader can lead to delayed and inadequate suppression, allowing for establishment.
Brian D. Healy +5 more
wiley +1 more source
Experimental validation of specialized questioning techniques in conservation
Conservation Biology, Volume 36, Issue 5, October 2022., 2022 Abstract Conservation increasingly relies on social science tools to understand human behavior. Specialized questioning techniques (SQTs) are a suite of methods designed to reduce bias in social surveys and are widely used to collect data on sensitive topics, including compliance with conservation rules.
Harriet Ibbett +12 more
wiley +1 more source
Family Process, Volume 61, Issue 2, Page 507-519, June 2022., 2022 An empowered sense of “self” is crucial for emotional well‐being and positive relationships. Certain family interaction patterns can disrupt the adult's sense of “mattering” to the child, eroding their perceived self‐efficacy. Mattering can be understood as a felt sense of relational agency which is necessary for experiencing one's interactions as ...
Willem Beckers +2 more
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Family Process, Volume 61, Issue 1, Page 342-360, March 2022., 2022 In this multi‐informant, longitudinal, daily diary study, we investigated whether long‐term dyadic patterns of marital conflict resolution explain the heterogeneity in short‐term day‐to‐day cross‐lagged associations between marital conflict intensity and mother–adolescent conflict intensity.
Stefanos Mastrotheodoros +5 more
wiley +1 more source
Wildlife collection for scientific purposes
Conservation Biology, Volume 35, Issue 1, Page 5-11, February 2021., 2021 Abstract Illegal transfer of wildlife has 2 main purposes: trade and scientific research. Trade is the most common, whereas scientific research is much less common and unprofitable, yet still important. Biopiracy in science is often neglected despite that many researchers encounter it during their careers.
Caroline Fukushima +5 more
wiley +1 more source
Dizhen xuebao, 2022 以典型的两层三跨形式地铁车站为研究对象，采用非线性动力时程反应分析方法，对软土场地的地铁车站与上部交叉桥梁模型进行数值模拟分析，给出了一种潜在的地铁车站−桥梁耦联破坏模式，分析了地铁车站与上部桥梁的地震动力相互作用。数值模拟结果表明：桥梁对车站的地震响应影响较小，车站发生破坏主要取决于地震作用及其本身的强度；地铁车站发生破坏后会引起邻近区域土层产生较大的水平和竖向变形，进而会引起邻近区域地基失效并使桥梁发生落梁破坏；地铁车站遭地震破坏后，桥梁基础带动邻近区域的土层整体向车站方向移动，加剧车站坍塌震害。
Rui Dong +3 more
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Jianzhu Gangjiegou Jinzhan, 2023 为研究不锈钢槽式预埋组件在剪力作用下的破坏模式和承载性能，完成了3组9个带混凝土基材的不锈钢槽式预埋组件试件受剪试验。试验结果表明，平行受剪工况下破坏模式为齿牙剪切破坏，垂直受剪工况下破坏模式为混凝土边缘破坏及槽道卷边受弯破坏。在试验的基础上，通过ABAQUS软件建立了有限元分析模型，并验证了模型的准确性。通过数值分析研究了齿牙尺寸、混凝土强度、边缘距离、锚件中心线间距及预埋槽道有效埋深等参数对极限承载力的影响。结果表明，平行受剪工况下，平齿型槽道的齿牙个数、宽度及厚度的增加均可提高极限承载力 ...
郑勇 +5 more
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Jianzhu Gangjiegou Jinzhan, 2021 采用精细化有限元分析方法对T形钢管混凝土插拔连接节点的平面内受弯性能进行了研究。首先通过与试验结果进行对比,验证了精细化有限元模型的正确性和准确性。在此基础上研究了主管壁厚、支管壁厚、主管形式和混凝土强度对节点破坏模式和承载力的影响。结果表明,钢管混凝土插板连接节点的破坏模式和钢管插板连接节点不同,为主管冲剪破坏和支管屈服破坏,其受弯承载力比钢管插板连接节点要高很多,国内外设计规范中关于钢管插板连接节点的受弯承载力计算公式不适用于钢管混凝土插板连接节点 ...
孙伟健, 陈娟, 周成野
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Jianzhu Gangjiegou Jinzhan, 2022 为研究新型方钢管混凝土组合L形柱的轴压性能，以钢管厚度、钢材强度和长细比为参数，对5个方钢管混凝土组合L形柱进行轴压试验，分析各试件的破坏模式、极限承载力和荷载-位移曲线；基于Mander约束混凝土本构关系，考虑不同位置钢管对混凝土约束水平的强弱，建立有限元分析模型，并将有限元分析结果与试验结果进行对比，验证了数值模型的准确性，在此基础上提出了方钢管混凝土组合L形柱的轴压强度和稳定承载力计算公式。结果表明：方钢管混凝土组合L形柱具有良好的轴压力学性能，各钢管之间能够协同变形、共同工作 ...
王振 +4 more
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螺纹孔单边螺栓T形连接节点受拉性能研究（Ⅱ）——承载力设计方法
Jianzhu Gangjiegou Jinzhan, 2020 欧洲规范给出了螺栓连接T形节点的3种受拉破坏模式,考虑到螺纹破坏,又划分了2种新的破坏模式:螺纹破坏和T形翼缘屈服伴随螺纹破坏,并给出了相应的抗拉承载力计算公式。将公式计算结果与单边螺栓T形连接节点受拉性能试验结果进行比较,验证了提出的新的破坏模式以及计算公式的正确性。公式计算结果均小于试验结果,因此在由计算公式得到的设计荷载下,T形节点具有足够的安全储备。
高庆水 +7 more
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