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Practical Implementation and Social Significance of Localized Low-Cost Airtightness Retrofits in Existing Condominiums: In the Context of Decarbonization, Energy Justice, and Well-being

text紀要論文 / Departmental Bulletin PaperThis study investigates the impact of localized airtightness and insulation retrofitting on the indoor thermal environment of three frequently used private rooms within an existing owner-occupied condominium unit in Japan. Targeting commonly neglected areas such as air conditioning pipe penetrations and ventilation inlets, the research combines thermographic analysis with pre- and post-retrofit temperature measurements, compared against outdoor conditions. The results reveal a substantial improvement in minimum indoor temperatures after the retrofit, with the indoor-outdoor temperature gap averaging 12 to 15°C during colder periods. In several cases, peak indoor temperatures also exceeded outdoor levels, indicating improved heat retention and daytime thermal performance. These findings suggest that even small-scale, low-cost interventions—when guided by careful observation and resident input—can lead to meaningful enhancements in comfort, health, and energy efficiency within existing buildings. The study positions this case as a practical model for promoting thermal equity and well-being, particularly in the context of climate change adaptation and decarbonization. Furthermore, it highlights the importance of resident engagement and empirical, evidence-based evaluation in informing future support mechanisms, policy development, and institutional frameworks aimed at inclusive and sustainable housing improvements.departmental bulletin pape

おわりに

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国際学部設置30周年記念シンポジウム―基調講演「国際学部30年の歩み」―

text紀要論文 / Departmental Bulletin Paperdepartmental bulletin pape

Table of contents

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表紙

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Ethnic Resources and Local Revitalization: Focusing on "Multicultural Coexistence" and "Community Building"

text紀要論文 / Departmental Bulletin PaperThis study aims to understand how local revitalization can be promoted through relying on ethnic resources in present-day Japanese society. First, we examine the requirements for promoting local revitalization, relying on ethnic resources from two perspectives: growth of ethnic businesses and plurality of positions involved in local revitalization. Next, a trial analysis of several case studies in Japan is conducted, focusing on the Shin-Okubo area of Shinjuku Ward in Tokyo, Osaka Korea Town in Ikuno Ward in Osaka City, Oizumi Town in Gunma Prefecture, and Tsurumi Ward in Yokohama City in Kanagawa Prefecture. The findings identified were as follows: First, local revitalization requires not just reliance on ethnic resources and activities of ethnic minorities but also the involvement of ethnic majority groups and the local government. However, "who" provides the resources and activities and "which" ones are effective vary by region, and it is necessary to explore how these work in a mutually complementary way. Second, local revitalization in Japan is promoted by the connection between "multicultural coexistence (Tabunkakyosei )" and "community building (Machizukuri )," two different concepts often linked by a rise in commercialism in the context of competition between cities. However, this connection does not necessarily show the same pattern, differing from region to region based on the multiple actors involved. Therefore, the possible issues of "what elements" are selectively extracted from "multicultural coexistence" and "what members" share this as "community building" need to be addressed in future research through related discussions, as the tentative examination conducted in this study allow following the changes in economic activities of ethnic minorities in Japan and capture "local revitalization" in more detail in a multicultural context.departmental bulletin pape

農業系大学における教職課程「職業指導概論」についての考察

Text紀要論文 / Departmental Bulletin Paperdepartmental bulletin pape

2024年度夏季 宇都宮大学構内温度測定レポート

text一般雑誌記事 / Articlearticl

UU3S プロジェクトの目的と方法

text一般雑誌記事 / Articlearticl