Results 21 to 30 of about 2,255 (117)
Developmental Medicine &Child Neurology, Volume 61, Issue 3, Page E1-E35, March 2019., 2019 目的 本国际临床指南由欧洲残疾儿童学会（the European Academy of Childhood Disability，EACD）牵头制定，旨在解决发育性协调障碍（developmental coordination disorder，DCD）的定义、诊断、评估、干预以及与社会心理方面的临床应用关键问题。 方法 本指南针对五个领域的关键问题，通过文献综述和专家团队的正式讨论达成共识。为保证指南的循证基础，以“机制”、“评估”和“干预”为检索词, 对2012年更新以来提出的最新建议以及新增的“社会心理问题”和“青少年/成人”为检索词进行检索。根据牛津大学循证医学中心证据等级 (证据水平 [level of evidence, LOE]1–4) 将结果进行分类，最终转化为指南建议。并由国际 ...
Jing Hua +6 more
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World Water Policy, Volume 12, Issue 3, August 2026.ABSTRACT Bengaluru, a primary metropolitan centre in India, is currently grappling with the dual crises of urban flooding and severe groundwater depletion. These challenges are driven by rapid urbanization, which has seen built‐up areas increase from 42% to 86% over two decades, resulting in a dramatic loss of vegetation and wetlands.
S. Biswas, S. V. B. Patel, B. Maheshwari
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Time's Sentimental Tale: Operationalizing Plot Within the Narrative Policy Framework
Policy Studies Journal, Volume 54, Issue 3, August 2026.ABSTRACT The Narrative Policy Framework (NPF) has proven to be a successful analytical tool for examining the role of narratives within the policy process; however, the analysis of plot is still understudied. This gap persists due to difficulty in developing valid and reliable measures of plot and a lack of plot operationalizations using longitudinal ...
Rachel McGovern +4 more
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Gaoya dianqi, 2021 架空地线因其不存在负载电流(除了很小的感应电流外),在冬季冰冻雨雪天气下较输电导线更易产生覆冰现象。而为了达到防雷效果,架空地线必须经铁塔可靠接地,这与在通电融冰工况下需使其对地绝缘相矛盾。文中针对所提出的一种220 kV防雷防冰灾架空地线系统,在简介其拓扑结构与工作原理基础上,根据该架空地线电缆参数及假设的融冰场景,通过计算直流融冰电流、电压,确定直流融冰电源的额定输出容量,并对该直流融冰电源的全桥模块化多电平换流器等核心部件的结构参数、元器件选型等进行了分析计算 ...
崔建业 +4 more
doaj
Biodiversity‐driven spatial conservation planning to delineate temporally stable regions
Conservation Biology, Volume 40, Issue 3, June 2026.Abstract The accelerating loss of biodiversity underscores the critical need for effective conservation strategies, particularly in the face of climate change and anthropogenic pressures. We devised a conservation planning framework that adopts a temporal stacking approach to species distribution models and landscape connectivity analyses. These models
Mattia Iannella +5 more
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Gaoya dianqi, 2013 同塔双回输电线路架空地线逐基接地时,架空地线的感应电流和电能损耗是值得关注的问题,目前关于架空地线损耗的定量研究较少。通过对广东某220 kV同塔双回输电线路架空地线感应电流进行了现场实测,使用ATP-EMTP程序对该线路感应电流进行仿真计算,实测值与计算值吻合较好。计算讨论了同塔双回架空线路导线相序排列方式、线路电流大小和线路电流不平衡度对架空地线感应电流和电能损耗的影响。结果表明,架空地线感应电流和线路电流变化呈线性关系,地线电能损耗与线路电流增大呈平方关系 ...
王宇 +5 more
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World Water Policy, Volume 12, Issue 1, February 2026.ABSTRACT Urban expansion significantly impacts flood risk, particularly in rapidly growing areas where impervious surfaces exacerbate surface runoff. This study examines spatial patterns of urban growth and their effects on flood exposure in Mecklenburg County, North Carolina, from 2011 to 2021.
Pegah Madadi, Azad Sadeghi
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Ecology and Evolution, Volume 15, Issue 10, October 2025.This paper proposes a ‘relaxed’ point‐count survey method to enhance accessibility and expand geographic coverage by easing these constraints. Surveys can be conducted in diverse locations, including urban areas and travel routes, within flexible timeframes (e.g., 6 h after sunrise or during the evening) and with adaptable spacing between survey points,
Masumi Hisano
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Dianci bileiqi, 2023 10 kV架空线路雷击跳闸率高，而可用的防雷措施较少，需对防雷方法进行综合应用以全面提高其耐雷水平。针对单独架设耦合地线无法提高其直击线路耐雷水平与耦合地线分段对线路感应雷耐雷水平的影响，本研究提出了一种综合性防雷方式，其方法是将MOA与耦合地线结合应用于10 kV架空配电线路。基于ATP-EMTP建立10 kV架空配电线路过电压模型，并考虑MOA允许通过的能量阈值。结果表明，MOA安装于10 kV架空配电线路的最高相和一边相，且在左右各1基安装时，在不需额外施加杆塔降阻措施下 ...
王延夫 +5 more
doaj
The Empty State: Governing the Voids in a Projected Conflict‐Torn Yemen
Politics &Policy, Volume 53, Issue 5, October 2025.ABSTRACT This study introduces the concept of the “Empty State” to explain a form of state dysfunction in Yemen, where state institutions exist but are stripped of their governance authority. While frameworks on fragile or failed states emphasize the weakness or collapse of state capacity, the Empty State highlights the persistence of symbolic ...
Moosa Elayah
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