Results 91 to 100 of about 38,010 (204)

天津奥林匹克体育中心游泳跳水馆施工过程分析

Jianzhu Gangjiegou Jinzhan, 2012
天津奥林匹克体育中心游泳跳水馆的屋盖结构体系采用了空间桁架结构。对于空间桁架结构而言,目前多数研究主要集中在节点承载力、静动力性能及其稳定性能上,对于结构施工过程的数值模拟涉及较少。而在大跨度空间钢结构桁架施工过程中,由于结构温度的变化、太阳辐射的影响和卸载方案的差异,施工过程将对结构在使用阶段的力学性能产生显著的影响。以天津奥林匹克体育中心游泳跳水馆钢结构空间桁架结构为工程背景,分析了不同卸载方案、考虑太阳辐射影响的不同合拢温度下钢结构桁架的杆件内力、节点位移、支座反力等结构响应 ...
刘红波, 严仁章, 周建锋, 彭铁红, 陈杏芳, 王文会   +5 more
doaj  

Addressing the Right to Food Through Food Expenditure Burdens: Distributional Evidence Among Low‐Income Farming Families in Brazil (2012–2023)

World Food Policy, Volume 12, Issue 2, November 2026.
ABSTRACT Household food expenditure continues to be a key factor in ensuring the realization of the Human Right to Adequate Food. Particularly in Brazil, access to food can be limited by economic constraints in vulnerable families, especially among farming families, who have been more vulnerable to food insecurity in recent years in the country.
Lucas de Almeida Moura, Flávia Mori Sarti, Carolina Ribeiro Xavier, Dirce Maria Lobo Marchioni   +3 more
wiley   +1 more source

Does the Adoption of Improved Cassava Varieties Boost Productivity in Ghana? The Role of Technology, Management, and Structural Gaps

World Food Policy, Volume 12, Issue 2, November 2026.
ABSTRACT Agricultural development initiatives in sub‐Saharan Africa have emphasized improved crop varieties as a pathway to food security, resilience, and rural poverty reduction. However, empirical evidence often focuses narrowly on plot‐level outcomes and overlooks whole‐farm effects and the substantial heterogeneity in farmers' management practices,
Kodjo Kondo, Renato A. Villano, Oscar Cacho, Omphile Temoso, Stephen Prah   +4 more
wiley   +1 more source

Integrating Human Rights Into Food Systems Policy to Progress the Fulfillment of the Right to Adequate Food—Enablers, Barriers, and Windows of Opportunity

World Food Policy, Volume 12, Issue 2, November 2026.
ABSTRACT Prevailing levels of hunger, malnutrition, and food insecurity—driven by conflict, global economic crises, and ecological destruction—are threatening fulfillment of the right to adequate food. The integration of human rights in food systems policies can address these challenges; however, progress in the adoption of human rights–based ...
Ellen Johnson, Jody Harris, Nick Nisbett, Sophie Chao, Anne Marie Thow   +4 more
wiley   +1 more source

“It Is More Than Just Food, We Need To Be Human Beings Together”: Service Provider and Leader Perspectives on Charitable Food Services for Persons Experiencing Homelessness

World Food Policy, Volume 12, Issue 2, November 2026.
ABSTRACT This critical ethnographic study examined the perspectives of service providers and organizational leaders working within charitable food services for people experiencing homelessness in two Canadian cities. Informed by Paulo Freire's writings and a human rights‐based approach, we explored how power is enacted through everyday practices and ...
Corinna Easton, Abe Oudshoorn, Tracy Smith‐Carrier, Cheryl Forchuk, Carrie Anne Marshall   +4 more
wiley   +1 more source

From Indicator to Prediction: Five Decades of Biochemical Oxygen Demand Research in Tropical Freshwaters

World Water Policy, Volume 12, Issue 4, November 2026.
ABSTRACT Biochemical oxygen demand (BOD) remains a core indicator of organic pollution in freshwater monitoring, but its role in water policy and practice is changing as water‐quality assessment moves toward predictive, integrative, and decision‐support approaches.
Isadora Favero Roque Cenci, Stephany Luz, Cássia Alves Lima‐Rezende, Jean Carlo Bacca, Karling Fernanda Schuster, Renan de Souza Rezende   +5 more
wiley   +1 more source

Adding the Farmer Domain to Aquifer Recharge: Insights From Smallholder Farmers' Natural Water Retention Measures in the Danube–Tisza Interfluve, Hungary

World Water Policy, Volume 12, Issue 4, November 2026.
ABSTRACT This paper describes and analyzes recharge practices in Bács‐Kiskun County, Hungary, within what can be categorized as the farmer domain. Such locally embedded aquifer recharge practices remain underexplored in Hungary. Current research and funding largely focus on large‐scale Managed Aquifer Recharge (MAR) interventions emphasizing intended ...
Helen Sundberg, Michael Gilek
wiley   +1 more source

Decarbonization and the Rescaling of Water–Energy Bargaining: How Renewable Expansion Is Reshaping Iran–Iraq–Türkiye Transboundary Water Politics

World Water Policy, Volume 12, Issue 4, November 2026.
ABSTRACT This article examines how renewable‐energy expansion is changing water–energy bargaining among Iran, Iraq, and Türkiye in the Tigris–Euphrates basin. Much of the existing literature on transboundary water politics focuses on territorial control, upstream–downstream power asymmetries, legal rules, and hydro‐hegemony but gives less attention to ...
Umud Shokri
wiley   +1 more source

GIL导体过盈连接结构电性能分析

Gaoya dianqi, 2018
为了验证低成本、高效率的过盈连接结构替代现有的焊接结构应用于GIL导体制造的可行性,对过盈连接结构的导体进行电性能分析研究。采用回路电阻测试仪测试了不同结构、不同制备工艺的导体的回路电阻,并利用Ansys对过盈连接结构的接触特性进行了仿真分析,然后选取合适的过盈连接结构和焊接结构一块进行了通流能力试验验证。结果表明:过盈量为0.15 mm的过盈连接结构的回路电阻与焊接结构相近,温升试验、短时耐受和峰值耐受电流试验结果合格,可以替代焊接连接结构用于GIL超长导体的制造,提高制造效率。
李凯, 司晓闯, 徐仲勋, 宋继光, 苗晓军   +4 more
doaj  

Evolving Contexts and Diverging Strategies: Federalism and the Politics of Immigrant Welfare Exclusion in the US

Policy Studies Journal, Volume 54, Issue 4, November 2026.
ABSTRACT The intersection of immigration and welfare has taken a central stage in the politics of social policy and garnered increasing scholarly attention in welfare politics research. While prior research has examined how immigration affects welfare support and welfare generosity in the US, less is known about the determinants of immigrant‐related ...
Ping Xu, Ling Zhu, Sebastian Ege
wiley   +1 more source