Results 31 to 40 of about 127 (87)
World Medical &Health Policy, Volume 17, Issue 4, Page 823-830, December 2025.ABSTRACT Sepsis is a leading cause of mortality in the United States, with over 350,000 deaths annually, yet the contribution of neighborhood‐level social determinants of health (SDoH) remains underexplored. We conducted a retrospective analysis of 4.4 million hospitalized patients with sepsis, identified using ICD‐10 codes, leveraging de‐identified ...
Ahad Khaleghi Ardabili +3 more
wiley +1 more source
Finding floral and faunal species richness optima among active fire regimes
Conservation Biology, Volume 39, Issue 6, December 2025.Abstract Changing fire regimes have important implications for biodiversity and challenge traditional conservation approaches that rely on historical conditions as proxies for ecological integrity. This historical‐centric approach becomes increasingly tenuous under climate change, necessitating direct tests of environmental impacts on biodiversity.
Zachary L. Steel +8 more
wiley +1 more source
Jianzhu Gangjiegou Jinzhan, 2013 以翼缘板加强式和盖板加强式两类加强型节点为研究对象,采用ANSYS结构分析软件"生死单元"功能模拟了瞬态焊接过程,得到焊接残余应力场的分布,在此基础上,针对有、无考虑焊接残余应力的两种有限元模型,分析了残余应力对节点和荷载-位移滞回性能及脆性断裂特性等影响。研究结果表明,焊接残余应力对盖板加强型节点的脆性断裂影响大于翼缘板加强型节点,盖板加强式节点在梁端对接焊缝的边缘容易发生脆性断裂,在设计和施工时应予以注意并采取相应的防范措施。
刘芸, 王燕, 王薇
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Policy Effectiveness in Managing Drug Shortages: Evidence From South Korea (2015–2024)
World Medical &Health Policy, Volume 17, Issue 3, Page 561-572, September 2025.ABSTRACT Drug shortages represent a growing policy challenge for healthcare systems worldwide. This study investigates actual drug shortage events in South Korea from 2015 to 2024, using a “Shortage Occurred vs. Shortage Non‐Occurred” framework to distinguish real‐world disruptions from administrative classifications.
Seung‐Rae Yu
wiley +1 more source
Gaoya dianqi, 2013 笔者分析了一起500 kV复合绝缘子脆断事故以及老化机理。该复合绝缘子脆断事故的特征与常见的脆断故障不同,在硅橡胶护套表面出现了部分贯通蚀孔,解剖后可以发现部分区域脱粘且在护套与芯棒交界面有漏电蚀痕。观察到故障复合绝缘子的宏观与微观交界面均存在一定的质量问题。使用傅氏变换红外光谱分析芯棒材料,证明在芯棒材料中存在玻璃化侵蚀,离子交换以及水解等老化过程。最后结合试验结果,分析了此类由于水份侵入而造成的老化现象,并建议在线监测中需关注复合绝缘子交界面质量。
冉学彬 +5 more
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Gaoya dianqi, 2022 电缆终端在湿热沿海地区运行过程中会偶发法兰、螺栓断裂的机械故障，对电缆的安全运行产生严重的威胁。为了分析螺栓断裂机理和螺栓受力特性，文中分析了断裂螺栓的拉伸性能、化学成分变化、金相显微组织和表面形貌特征，然后通过有限元法对电缆终端中螺栓的应力应变特征进行了分析。研究表明断裂螺栓化学成分不符合标准，机械性能和抗腐蚀性能显著较差；在役电缆终端螺杆中部位置有较大的应力和形变量，是螺栓脆弱部位；因此，在沿海高湿热高盐雾环境作用和螺栓高应力作用发生应力腐蚀，螺杆中部表面位置腐蚀最快并最先出现裂纹，然后向里扩展 ...
范伟男, 王勇, 李光茂, 杜钢
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Social protection and resilience in protracted crises
International Social Security Review, Volume 78, Issue 2-3, Page 173-190, April-September 2025.Abstract This article critically examines perspectives on social protection’s role in strengthening resilience capacities in protracted crises – contexts where conflict and displacement persist for five years or longer. These crises shape how stakeholders navigate their mandates to provide support, while influencing how affected communities seek to ...
Carolina Holland‐Szyp, Jeremy Lind
wiley +1 more source
Zhongguo shiyan zhenduanxue, 2009 目的评价平均红细胞体积（MCV）、红细胞（RBC）脆性试验、血红蛋白（Hb）电泳在产前筛查地中海贫血中的价值。方法选取来我院产前检查的经基因诊断确诊的地中海贫血患者140例,正常对照100例,分别进行MCV测定,RBC脆性试验和血红蛋白电泳试验,分析各单项试验及三项试验联合检测地中海贫血的灵敏度、特异度等评价指标。结果MCV、RBC脆性试验、Hb电泳单项检测对地中海贫血诊断的灵敏度及特异度分别为93.6%、89.3%、82.1%及78.0%、92%、97 ...
王晓忠, 曾学辉, 占葆娥
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The Neo‐Mercantilist Nexus: China's Geoeconomics Strategy in the Middle East—Discourse and Practice
Digest of Middle East Studies, Volume 34, Issue 2, Spring 2025.ABSTRACT China's Belt and Road Initiative (BRI) has become a cornerstone of its hybrid neo‐mercantilist geoeconomics strategy, reshaping the Middle East's geopolitical and economic landscape. This research explores how the BRI enables China to secure energy resources, expand trade networks, and establish strategic infrastructure, thereby advancing its ...
Riya Sultana, Ronen A. Cohen
wiley +1 more source
Zhongguo shiyan zhenduanxue, 2014 目的探讨不育患者中世界首报染色体异常核型与不孕不育及脆性部位的关系。方法采用外周血淋巴细胞染色体培养技术,常规G显带核型分析。结果在2911例不育患者中,共检出异常染色体核型353例,其中世界首次发现染色体异常核型17例,其中平衡易位16例,染色体臂间倒位1例。17例世界首报核型中有15个断裂位点为染色体的脆性部位,所占比例高达44.1%（15/34）。结论染色体异常是导致不良孕产、不孕不育的重要原因之一。染色体断裂位点与脆性部位有紧密的关系。
张清健 +11 more
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