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Urban renewal without gentrification: toward dual goals of neighborhood revitalization and community preservation?

URBAN GEOGRAPHY 2024年第2期45卷 201-233页

作者： Zhu, Yushu Ye, Changdong Simon Fraser Univ Urban Studies Program Vancouver BC Canada Simon Fraser Univ Sch Publ Policy Vancouver BC Canada South China Agr Univ Coll Forestry & Landscape Architecture Guangzhou Peoples R China

This study contributes to the debate on the psychological dimensions of displacement in urban renewal (UR) literature by examining how different modes of UR may disrupt or reconstruct the sense of home for affected residents in urban China. The forms of UR in China have evolved from the intensive pro-growth urban redevelopment that was prevalent in the 1990s and early 2000s to the emerging trend of micro-renewal, which features neighborhood renovation without physical displacement or the remaking of social classes. We distinguish between wholesale redevelopment and micro-renewal, then examine the impacts of these different modes of UR on post-renewal NA. We found that micro-renewal is less likely than redevelopment to disrupt residents' NA. However, it was the socio-spatial restructuring of their neighborhood, rather than physical relocation, that contributed to the change in residents' NA. The perceived neighborhood change was also conditional on individuals' pre-renewal residential satisfaction and post-renewal economic prospects.

关键词： Urban renewal displacement neighborhood attachment social capital China

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Cover Crop Cultivar, Species, and Functional Diversity is Reflected in Variable Root Exudation Composition

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JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023年第30期71卷 11373-11385页

作者： Seitz, Valerie A. Chaparro, Jacqueline M. Schipanski, Meagan E. Wrighton, Kelly C. Prenni, Jessica E. Colorado State Univ Dept Hort & Landscape Architecture Ft Collins CO 80523 USA Colorado State Univ Program Cell & Mol Biol Ft Collins CO 80523 USA Colorado State Univ Dept Soil & Crop Sci Ft Collins CO 80523 USA

Cover cropping has emerged as a sustainable alternativeto traditionalcrop rotational practices, yet the effects of variable root exudationfrom cover crop species and cultivars within species remains ***, we assess the chemical heterogeneity of root exudates from 16commonly used cover crop species as well as 3 distinct cultivars ofhairy vetch. Plants were grown hydroponically and analyzed via nontargetedgas chromatography-mass spectrometry (GC-MS) and liquid chromatography-tandemmass spectrometry (LC-MS/MS), and targeted LC-MS/MS to evaluate patternsin root exudate composition across species and functional plant ***, root exudation profiles are heterogeneous across crop speciesand cultivars. Species within legumes stand out as a unique functionalgroup of plants capable of producing distinct chemical environmentsrich with complex secondary metabolites, such as triterpenoid saponins(soyasaponins), isoflavonoids, and flavonoids.

关键词： cover crop root exudate soyasaponin molecular networking sustainable agriculture

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Determination and Mapping of Regional Change of Pb and Cr Pollution in Ankara City Center

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WATER AIR AND SOIL POLLUTION 2022年第5期233卷 1-10页

作者： Cetin, Mehmet Aljama, Akram Mohamed Omar Alrabiti, Osama B. Muragaa Adiguzel, Fatih Sevik, Hakan Cetin, Ilknur Zeren Kastamonu Univ Fac Engn & Architecture Dept Landscape Architecture Kastamonu Turkey Ondokuz Mayis Univ Fac Architecture Dept City & Reg Planning Samsun Turkey Kastamonu Univ Inst Sci Dept Mat Sci & Engn Kastamonu Turkey Nevsehir Haci Bektas Veli Univ Fac Arts & Sci Dept Geog Nevsehir Turkey Kastamonu Univ Fac Engn & Architecture Dept Environm Engn Kuzeykent Campus TR-37150 Kastamonu Turkey Bartin Univ Inst Grad Sch YOK Scholarship 100 2000 Program Sustainable ForestryDept Forest Engn Bartin Turkey Ondokuz Mayis Univ Samsun Vocat Sch Dept Pk & Garden Plants Program Landscape & Ornamental Plants Cultivat Samsun Turkey

As in the whole world, environmental problems have increased with the increase in residential areas in Turkey, and this situation has brought many problems, especially environmental pollution. Among the components of environmental pollution, heavy metals are the most dangerous and important in terms of human and environmental health. Especially Pb and Cr are among the most toxic and deadly heavy metals, and the concentrations of these heavy metals in the environment are constantly increasing. Soil is one of the elements most affected by the increase in pollution. Soils are both a nutrition and living environment for plants and one of the most important components of the environment. In addition, topsoil is one of the most important indicators of the level of air pollution. This study aimed to determine and map the Pb and Cr pollution in the city center of Ankara, the capital and the second-largest city of Turkey, with the help of topsoils. Within the scope of the study, Ankara city center was divided into sub-regions with different characteristics, and Pb and Cr analyzes were performed by taking topsoil samples from 50 points representing these regions. Then, the changes in Pb and Cr concentrations on a regional basis were statistically evaluated, the data were transferred to Geographic Information Systems (GIS) using ArcGIS 10.7 software, then modeled with the kriging method, one of the interpolation methods, and pollution maps were created. As a result of the study, it has been determined that the Cr concentration is generally higher in the northwest-southeast axis of the study area, decreases as one goes to the northeast and southwest, and the region with the highest Pb concentration is located in the center of the study area, that is, in the west of the town of Sincan.

关键词： Ankara Cr Heavy metal Pb Soil

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Gendered Actions with a Genderless Robot: Gender Attribution to Humanoid Robots in Action

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INTERNATIONAL JOURNAL OF SOCIAL ROBOTICS 2023年第11期15卷 1915-1931页

作者： Askin, Gaye Saltik, Imge Boz, Tugce Elver Urgen, Burcu A. Bilkent Univ Dept Psychol Ankara Turkiye Bilkent Univ Interdisciplinary Neurosci Program Ankara Turkiye Bilkent Univ Interior Architecture & Environm Design Ankara Turkiye Bilkent Univ Aysel Sabuncu Brain Res Ctr Natl Magnet Resonance Res Ctr UMRAM Ankara Turkiye

The present study aims to investigate how gender stereotypes affect people's gender attribution to social robots. To this end, we examined whether a robot can be assigned a gender depending on a performed action. The study consists of 3 stages. In the first stage, we determined masculine and feminine actions by a survey conducted with 54 participants. In the second stage, we selected a gender-neutral robot by having 76 participants rate several robot stimuli in the masculine-feminine spectrum. In the third stage, we created short animation videos in which the gender-neutral robot determined in stage two performed the masculine and feminine actions determined in stage one. We then asked 102 participants to evaluate the robot in the videos in the masculine-feminine spectrum. We asked them to rate the videos according to their own view (self-view) and how they thought society would evaluate them (society-view). We also used the Socialization of Gender Norms Scale (SGNS) to identify individual differences in gender attribution to social robots. We found the main effect of action category (feminine vs. masculine) on both self-view reports and society-view reports suggesting that a neutral robot was reported to be feminine if it performed feminine actions and masculine if it performed masculine actions. However, society-view reports were more pronounced than the self-view reports: when the neutral robot performed masculine actions, it was found to be more masculine in the society-view reports than the self-view reports;and when it performs feminine actions, it was found to be more feminine in the society-view reports than the self-view reports. In addition, the SGNS predicted the society-view reports (for feminine actions) but not the self-view reports. In sum, our study suggests that people can attribute gender to social robots depending on the task they perform.

关键词： Gender attribution Social-robots Gender stereotype Actions Human-robot interaction

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Quantitative study of water impact on land value in Jakarta

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URBAN WATER JOURNAL 2023年第8期20卷 1063-1080页

作者： Gamal, Ahmad Rohmah, Lailatul Adelina Perangin Angin, Cynthia Laksmi Larasati, Widya Muhaimin, Ahmad Aki Khoirunisa, Risty Rika Marthanty, Dwinanti Univ Indonesia Grad Program Urban & Reg Planning Depok Indonesia Univ Indonesia SMART City Ctr Depok Indonesia Univ Indonesia Dept Architecture Depok Indonesia Univ Indonesia Dept Civil Engn Hydrol & River Lab Depok Indonesia

This research tries to fill the gap of empirical studies to demonstrate how water, both in terms of its role as a resource and disaster, is integrally related to the value of land. This study involves four water-related measures categories: source, disaster, supply, and infrastructure. The eight independent variables were tested upon Jakarta's 3,725 land value zone samples. It is found that areas with more accessibility to wastewater management infrastructure have land value of IDR 476 per square meter higher than average. In contrast, land value in areas with higher risk of being affected by a flood is IDR 470.91 per square meter lower than average. This research signifies the importance of integral policy of clean water provision as well as water-related disaster prevention in urban areas.

关键词： Clean water water source water-related disasters land value Jakarta >

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STUDY ON ROBUST DESIGN FOR NAVIGATION DYNAMICS TEST FOR SMALL CATAMARAN 42

STUDY ON ROBUST DESIGN FOR NAVIGATION DYNAMICS TEST FOR SMAL...

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ASME 42nd International Conference on Ocean, Offshore and Arctic Engineering (OMAE)

作者： Lin, Chun-Cheng Liang, Wei-Li Natl Def Univ Dept Power Vehicle & Syst Engn CCIT Taoyuan City Taiwan Natl Def Univ Master Program Naval Architecture & Ocean Engn CCIT Taoyuan City Taiwan

ISBN: (纸本)9780791886830

With the trend of science and technology development, unmanned autonomous guidance and navigation requirements are critical. Recently, the advanced worldwide countries have been developing unmanned surface vessels (USVs) as well as possible;they applied these USVs to investigate the marine science, surveillance, transportation, and other civilian fields. Its advantages, including saving human resources, reducing the operation risks, increasing the flexibility and efficiency of mission execution. In this study, application a small catamaran with Global Position System (GPS), Lidar, PID controller and two-thrusters, etc. Through series of experiments and analyses were carried out using Taguchi's experimental design methods, Taguchi orthogonal array (L9), ANOVA, and obtained the optimal factor-level combination and approached robust design. Based on the previous study results of resistance and payload for the catamaran, this study selected two control factors: the width of the catamaran (factor-A), and thruster positions (factor-B). The study results presented that Taguchi's optimal configuration design in manual remote mode and waypoint navigation model is A2B1, and the accuracy is also A2B1 in 85% confidence level. The impact of accuracy is analyzed using Taguchi's experimental design method, which is expected to improve unmanned surface vessels' tracking and navigation accuracy and be applied by relevant research agencies.

关键词： unmanned surface vessels catamaran Lidar Taguchi orthogonal array waypoint navigation

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A STUDY ON DYNAMIC RESPONSE DISPLACEMENT MEASURING METHODS FOR BUILDING UNDER EARTHQUAKE USING SATELLITE TECHNOLOGY WITH TWO MOVABLE VIBRATION TABLES

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AIJ Journal of Technology and Design 2024年第74期30卷 65-70页

作者： Hashimoto, Akihiro Mukai, Tomohisa Tajima, Kazuyuki Nakamura, Akihiro Ariki, Katsuyoshi Kinugasa, Hideyuki Dept. of Architecture Graduate School of Science and Technology Tokyo Univ. of Science Japan Building Dept. National Institute for Land and Infrastructure Management Program Management Division Ground Facilities Dept. The Japan Aerospace Exploration Agency Dept. of Structural Engineering Building Research Institute Dept. of Structural Engineering Building Research Institute Urban Renaissance Agency Japan Dept. of Architecture Faculty of Science and Technology Tokyo Univ. of Science Japan

In recent years, research has been conducted to establish a method for quickly and appropriately determining damage to buildings during an earthquake using sensors, and it’s useful to appropriately evaluate the maximum and residual displacement during an earthquake. The purpose of this study is to propose a disaster assessment method using a satellite positioning system that directly measures the response displacement of a building from satellite positioning information. In this paper, the positioning accuracy is verified when calculating the relative displacement using two movable vibration tables that assume the top floor of a building and the ground surface under earthquake. © 2024 Architectural Institute of Japan. All rights reserved.

关键词： Earthquakes

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Coloured concrete produced from low-carbon cements: Mechanical properties, chromatic stability and sustainability

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JOURNAL OF BUILDING ENGINEERING 2023年 67卷

作者： Jesus, C. F. Arruda Junior, E. S. Braga, N. T. S. Silva Junior, J. A. Barata, M. S. Fed Univ Postgrad Program Architecture & Urbanism Belem Para Brazil Fed Univ Postgrad Program Risk Management & Nat Disaster Am Belem Para Brazil

The global construction industry is responsible for 39% of CO2 emissions and for more than 50% of the extracted natural resources. Dematerialization and the use of low-carbon materials would be mitigating actions in the current scenario. In developing countries, where the housing deficit is high, a short-term and novel solution could come from the construction of social housing using multipurpose coloured concrete casings, which have no rendering of mortars and paints and are produced from low-carbon cements. In the Amazon, the wide availability of light and kaoliniterich waste would enable the production of low-carbon cements (LCC) from ternary mixtures of clinker, calcined kaolin waste and limestone. The objective was evaluated the performance of coloured concretes from LCC against the weathering of the rainy equatorial climate of the Amazon, environment which favours the formation of biofilm films, impairing the aesthetic quality of the facades. The LCC provided coloured concretes with good pigmentation capacity and a significant reduction in CO2 emissions. On the other hand, its use compromised the surface quality of concrete due to the low chromatic stability. The climate conditions of the Amazon and low alkalinity of the LCC favoured the growth of microorganisms, leading the concrete surfaces to become prematurely blackened, decreasing their albedo and, consequently, raising the surface temperature of the substrate, which compromises the thermos-energetic performance of the building. Nevertheless, the results are promising and justify the continuity of research using new compositions of limestone calcined clay cement associated with the use of more efficient surface protection systems.

关键词： Kaolin waste Low carbon cement Coloured concrete Eco-efficiency Chromatic stability

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Buckling behavior analysis of hybrid-honeycomb sandwich cylindrical shells

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OCEAN ENGINEERING 2023年第1期276卷

作者： Thang, Pham Toan Kim, Changsoo Jang, Hyounseung Kim, Taehoon Kim, Jimin Seoul Natl Univ Sci & Technol Sch Architecture Architectural Engn Program Seoul 01811 South Korea

In this research, the buckling behavior of hybrid-honeycomb sandwich (HHS) cylindrical shells under hydrostatic pressure is investigated. The HHS shells consist of two thin ceramic-metal functionally graded (FG) layers on the outer and inner surfaces, and a layer of lightweight, high-strength, low-density hybrid-honeycomb material in the center, with a thickness that is larger compared to the FG layers. The ceramic composition of the FG layers covers the entire outer surface of the cylindrical shells, which is intended to improve the performance of structures in highly corrosive and acidic environments, such as the ocean, and in other mining and metallurgical industries. The hybrid-honeycomb core has a negative Poisson's ratio, also called as auxetic materials, which have a unique microstructure that can affect the buckling behavior of cylindrical shells made from these ma-terials, resulting in improved buckling resistance, stability, and enhanced energy absorption. Using classical shell theory, the governing equations for the buckling behavior problem are derived, and the critical buckling loads are then gained using the Galerkin solution. The results of the present study are validated through comparison with existing literature, and numerous numerical examples are conducted to showcase the interesting results of the study with various material and geometric parameters.

关键词： Hybrid-honeycomb FGMs Cylindrical shell Buckling behavior

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Free vibration analysis of bi-directional functionally graded cylindrical shells with varying thickness

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AEROSPACE SCIENCE AND TECHNOLOGY 2023年第1期137卷

作者： Thang, Pham Toan Kim, Changsoo Kim, Jimin Seoul Natl Univ Sci & Technol Sch Architecture Architectural Engn Program Seoul 01811 South Korea

The article presents a semi-analytical solution for the free vibration problem in bi-directional functionally graded (FG) cylindrical shells with varying thickness, utilizing a modified shear deformation shell theory (MSDT). In this model, the mechanical properties of the cylindrical shells change along both the axial and thickness directions. Classical analytical methods for shell structures often face limitations in terms of boundary conditions, transverse shear deformation, and rotary inertia, making the use of MSDT and Galerkin procedure necessary for solving the problem of free vibration analysis in this study. The boundary conditions of the bi-directional FG cylindrical shells are chosen to be simply supported and clamped, and the presented method is compared to relevant results in the literature to validate its effectiveness. Moreover, a comprehensive parametric investigation is conducted to evaluate the influence of material and geometrical parameters on the natural frequencies. The results show that the natural frequency of the FG cylindrical shells is significantly affected by the material and geometrical parameters, including the power-law index, the thickness variation, the aspect ratio, and the boundary conditions. (c) 2023 Elsevier Masson SAS. All rights reserved.

关键词： Bi-directional FGMs Cylindrical shells Shear deformation shell theory Galerkin method Variable thickness

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