Results 21 to 30 of about 384,705 (165)
International Journal of Applied Linguistics, EarlyView.ABSTRACT This study examines how foreign language teachers’ beliefs about the medium of instruction and translanguaging evolve over time by revisiting three in‐service teachers twelve years after their initial interviews. Using a qualitative longitudinal design, the study traces how translanguaging was initially framed as pedagogically deficient but ...
Danping Wang
wiley +1 more source
Leveraging an Unhappiness Lens for Smarter Policies
Policy Studies Journal, EarlyView.ABSTRACT Traditional policy research has largely focused on enhancing happiness or well‐being, privileging positive outcomes as the primary metric of success. We argue that a systematic focus on the drivers of unhappiness—rather than solely on happiness—offers a complementary analytical framework that can uncover hidden societal deficits and broaden ...
Marine Coupaud +2 more
wiley +1 more source
, 2010 本文根据需求扰动的影响力大小,将其分为日常需求扰动和突发需求扰动,并对比了两种不同需求扰动的产生原因和特征;具体阐述了需求扰动是如何对供应链上各企业造成影响的,并给出了两种不同的传导模式;通过剖析需求扰动风险传导机制,从3个角度提出了针对需求扰动的控制策略;最后,通过建模探讨了在需求扰动后价格敏感系数改变的情况下零售商对产品价格的调整。同时,为了保证零售商按发生需求扰动后的最优订购量订购产品和按最优产品零售价给产品定价,根据需求扰动不同的影响程度 ...
计国君, 陈婷
core
Rare Metals, Volume 45, Issue 7, July 2026.ABSTRACT Biodegradable zinc (Zn)‐based materials are considered promising candidates for orthopedic applications because of their favorable mechanical properties, controllable biodegradability, and good biosafety profiles. However, their clinical translation is limited by early‐stage corrosion‐induced cytotoxicity and inflammation, as well as ...
Jinlong Mao +9 more
wiley +1 more source
中西医结合护理, 2023 Objective To explore the demand of family members of children with cardiovascular diseases for home care and analyze the influencing factors. Methods A total of 198 family members of children with cardiovascular diseases from a certain hospital in ...
MOU Xiao (牟啸)
doaj +1 more source
Poverty &Public Policy, Volume 18, Issue 2, June 2026.ABSTRACT Cash transfers have become an increasingly important social protection tool in development and humanitarian contexts. In developing countries, cash transfers can be used to build economic resilience. This study examines the effects of unconditional cash transfers on asset accumulation among low‐income households in rural Northern Uganda. Using
Simon Peter Nsereko +2 more
wiley +1 more source
, 2011 目的 调查全国 28 个省(市、 区) 5151 名老年人的心理需求状况，并从生理与安全、交往、认同、自我实现四个方面探索老年人物质需求与精神需求的特征。方法 运用自编心理需求调查问卷进行调查分析，被试为＞60岁的老年人，包含 61 ～ 70，71 ～ 80，81 岁以上三组。结果 老年人的物质需求度高于精神需求〔F( 1，515 0) = 2 720. 53，P ＜ 0. 001〕，从老年期到老老年期，心理需求水平随增龄而逐渐下降〔F( 2，377 1) = 4. 68， P ＜0.
韩布新, 王婷, 施春华, 傅双喜
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Gaoya dianqi, 2015 在实时电价体系下,通过研究价格弹性矩阵研究了需求侧的用电行为,以此确定需求侧响应量。建立了基于需求侧响应的微电网市场优化模型,需求侧重点研究可转移负荷、可中断负荷对微网带来的经济效益。对模型进行线性化处理,并采用性能较好的专业优化软件IBM ILOG CPLEX进行模型求解。仿真结果表明,可转移负荷加入后微网运行总费用减少7.85%,可转移、可中断负荷同时加入微电网后微网运行总费用减少17.56%,市场优化效果显著。
董开松 +5 more
doaj
Functional Ecology, Volume 40, Issue 6, Page 1906-1920, June 2026.Read the free Plain Language Summary for this article on the Journal blog. Abstract Human‐driven landscape change, particularly urbanization, is reshaping pollinator communities, yet the functional traits that mediate species persistence remain poorly understood. Dietary specialization is commonly used to predict species vulnerability.
Yan Yang +5 more
wiley +1 more source
Gaoya dianqi, 2020 针对地磁风暴发生时系统电压降低的现象,研究了地磁感应电流引起的直流偏磁对电力系统电压的影响。基于PSCAD/EMTDC平台搭建了地磁感应电流—直流偏磁的仿真模型,并用低频正弦交流电模拟地磁感应电流,记录了变压器无功功率的需求变化和系统的电压,另外研究了地磁感应电流对发电机出力的影响,同时与单极运行直流电流对电压的影响进行对比研究。结果表明,磁感应电流会导致变压器无功需求周期性增多,系统电压周期性降低,最大下降约为10%,同时地磁感应电流会导致发电机有功出力减小、无功出力增大 ...
万毅 +5 more
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