The Experts below are selected from a list of 4383 Experts worldwide ranked by ideXlab platform
Tiejun Dai - One of the best experts on this subject based on the ideXlab platform.
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Path Analysis of Beijing’s Dematerialization Development Based on System Dynamics
Sustainability, 2020Co-Authors: Tiejun Dai, Shuo ShanAbstract:Dematerialization is a phenomenon in which resource consumption and pollutant discharge decrease during economic development. In order to explore the optimal paths of Beijing’s Dematerialization, this study combines material flow analysis method and the Tapio decoupling model to construct a city Dematerialization evaluation model, and establishes a system dynamics model to simulate the comprehensive Dematerialization levels and the Dematerialization levels of eight materials under four scenarios. The results show that the key factors affecting the Dematerialization levels of resource and discharge end were non-metals consumption and CO 2 emissions respectively. During 2016–2030, Beijing would achieve weak decoupling state under four scenarios, but the degree of Dematerialization would be different. For the comprehensive Dematerialization level, during 2017–2024, an industrial restructuring (IR) scenario, which would strengthen R&D investment and optimize the industrial structure, would be the optimal choice. During 2025–2030, an environmental governance (EG) scenario, which means increasing the investment in pollution control, would bring about the best Dematerialization level. There would be differences in the optimal Dematerialization paths for eight materials. For example, economic sustainable degrowth (ESD) and EG scenarios would be the optimal paths for Dematerialization of atmospheric pollutants in the period 2017–2021 and 2022–2030, respectively.
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path analysis of beijing s Dematerialization development based on system dynamics
Sustainability, 2020Co-Authors: Tiejun Dai, Shuo ShanAbstract:Dematerialization is a phenomenon in which resource consumption and pollutant discharge decrease during economic development. In order to explore the optimal paths of Beijing’s Dematerialization, this study combines material flow analysis method and the Tapio decoupling model to construct a city Dematerialization evaluation model, and establishes a system dynamics model to simulate the comprehensive Dematerialization levels and the Dematerialization levels of eight materials under four scenarios. The results show that the key factors affecting the Dematerialization levels of resource and discharge end were non-metals consumption and CO2 emissions respectively. During 2016–2030, Beijing would achieve weak decoupling state under four scenarios, but the degree of Dematerialization would be different. For the comprehensive Dematerialization level, during 2017–2024, an industrial restructuring (IR) scenario, which would strengthen R&D investment and optimize the industrial structure, would be the optimal choice. During 2025–2030, an environmental governance (EG) scenario, which means increasing the investment in pollution control, would bring about the best Dematerialization level. There would be differences in the optimal Dematerialization paths for eight materials. For example, economic sustainable degrowth (ESD) and EG scenarios would be the optimal paths for Dematerialization of atmospheric pollutants in the period 2017–2021 and 2022–2030, respectively.
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Dematerialization in Beijing from the perspective of material metabolism
Journal of Cleaner Production, 2018Co-Authors: Tiejun Dai, Rui LiuAbstract:Abstract City has always been a concentrated area of consumption and pollution in a country or region. Solutions to the Dematerialization of city would exert a profound impact on the entire socio-economic system. And the issue of resources and environment in Beijing, the center of China’s politics, economy, and culture, becomes a focus of attention both domestically and internationally. In this paper, we used the economy-wide material flow analysis to describe the socio-economic development and the current situation of resources and environment in Beijing during the period 1992–2015. Based on this, Tapio decoupling model and the logarithmic mean divisia index method were used to analyze the level and influencing factors of Dematerialization in Beijing. The results of the study showed that: From 1992 to 2015, GDP of Beijing increased from 61.25 billion yuan to 623.45 billion yuan, at the same time, direct material input and domestic processed output also increased from 139.88 million tons and 78.63 million tons in 1992 to 205.17 million tons and 166.27 million tons in 2015 respectively. Judging from the change of the decoupling relationship between economic growth and resources and environment, the level of Dematerialization in Beijing was continuously increasing. And the Dematerialization level of resource consumption was slightly better than that of pollution discharge. The high expansion of population and economy was not conducive to the realization of Dematerialization in Beijing. However, the decrease of the intensity of material utilization played a crucial role in the process of Dematerialization in Beijing. Moreover, increases in material circulation and social overall level of cleaner production were beneficial to the realization of Dematerialization.
Shuo Shan - One of the best experts on this subject based on the ideXlab platform.
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Path Analysis of Beijing’s Dematerialization Development Based on System Dynamics
Sustainability, 2020Co-Authors: Tiejun Dai, Shuo ShanAbstract:Dematerialization is a phenomenon in which resource consumption and pollutant discharge decrease during economic development. In order to explore the optimal paths of Beijing’s Dematerialization, this study combines material flow analysis method and the Tapio decoupling model to construct a city Dematerialization evaluation model, and establishes a system dynamics model to simulate the comprehensive Dematerialization levels and the Dematerialization levels of eight materials under four scenarios. The results show that the key factors affecting the Dematerialization levels of resource and discharge end were non-metals consumption and CO 2 emissions respectively. During 2016–2030, Beijing would achieve weak decoupling state under four scenarios, but the degree of Dematerialization would be different. For the comprehensive Dematerialization level, during 2017–2024, an industrial restructuring (IR) scenario, which would strengthen R&D investment and optimize the industrial structure, would be the optimal choice. During 2025–2030, an environmental governance (EG) scenario, which means increasing the investment in pollution control, would bring about the best Dematerialization level. There would be differences in the optimal Dematerialization paths for eight materials. For example, economic sustainable degrowth (ESD) and EG scenarios would be the optimal paths for Dematerialization of atmospheric pollutants in the period 2017–2021 and 2022–2030, respectively.
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path analysis of beijing s Dematerialization development based on system dynamics
Sustainability, 2020Co-Authors: Tiejun Dai, Shuo ShanAbstract:Dematerialization is a phenomenon in which resource consumption and pollutant discharge decrease during economic development. In order to explore the optimal paths of Beijing’s Dematerialization, this study combines material flow analysis method and the Tapio decoupling model to construct a city Dematerialization evaluation model, and establishes a system dynamics model to simulate the comprehensive Dematerialization levels and the Dematerialization levels of eight materials under four scenarios. The results show that the key factors affecting the Dematerialization levels of resource and discharge end were non-metals consumption and CO2 emissions respectively. During 2016–2030, Beijing would achieve weak decoupling state under four scenarios, but the degree of Dematerialization would be different. For the comprehensive Dematerialization level, during 2017–2024, an industrial restructuring (IR) scenario, which would strengthen R&D investment and optimize the industrial structure, would be the optimal choice. During 2025–2030, an environmental governance (EG) scenario, which means increasing the investment in pollution control, would bring about the best Dematerialization level. There would be differences in the optimal Dematerialization paths for eight materials. For example, economic sustainable degrowth (ESD) and EG scenarios would be the optimal paths for Dematerialization of atmospheric pollutants in the period 2017–2021 and 2022–2030, respectively.
Paul E Waggoner - One of the best experts on this subject based on the ideXlab platform.
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Dematerialization variety caution and persistence
Proceedings of the National Academy of Sciences of the United States of America, 2008Co-Authors: Jesse H Ausubel, Paul E WaggonerAbstract:Dematerialization, represented by declining consumption per GDP of energy or of goods, offers some hope for rising environmental quality with development. The declining proportion of income spent on staples as affluence grows, which income elasticity <1.0 measures, makes Dematerialization widespread. Further, as learning improves efficiency of resource use, the intensity of environmental impact per production of staples often declines. We observe that combinations of low income elasticity for staples and of learning by producers cause a variety of Dematerializations and declining intensities of impact, from energy use and carbon emission to food consumption and fertilizer use, globally and in countries ranging from the United States and France to China, India, Brazil, and Indonesia. Because Dematerialization and intensity of impact are ratios of parameters that may be variously defined and are sometimes difficult to estimate, their fluctuations must be interpreted cautiously. Nevertheless, substantial declining intensity of impact, and especially, Dematerialization persisted between 1980 and 2006.
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Dematerialization: Variety, caution, and persistence
Proceedings of the National Academy of Sciences of the United States of America, 2008Co-Authors: Jesse H Ausubel, Paul E WaggonerAbstract:Dematerialization, represented by declining consumption per GDP of energy or of goods, offers some hope for rising environmental quality with development. The declining proportion of income spent on staples as affluence grows, which income elasticity
Jesse H Ausubel - One of the best experts on this subject based on the ideXlab platform.
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Dematerialization variety caution and persistence
Proceedings of the National Academy of Sciences of the United States of America, 2008Co-Authors: Jesse H Ausubel, Paul E WaggonerAbstract:Dematerialization, represented by declining consumption per GDP of energy or of goods, offers some hope for rising environmental quality with development. The declining proportion of income spent on staples as affluence grows, which income elasticity <1.0 measures, makes Dematerialization widespread. Further, as learning improves efficiency of resource use, the intensity of environmental impact per production of staples often declines. We observe that combinations of low income elasticity for staples and of learning by producers cause a variety of Dematerializations and declining intensities of impact, from energy use and carbon emission to food consumption and fertilizer use, globally and in countries ranging from the United States and France to China, India, Brazil, and Indonesia. Because Dematerialization and intensity of impact are ratios of parameters that may be variously defined and are sometimes difficult to estimate, their fluctuations must be interpreted cautiously. Nevertheless, substantial declining intensity of impact, and especially, Dematerialization persisted between 1980 and 2006.
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Dematerialization: Variety, caution, and persistence
Proceedings of the National Academy of Sciences of the United States of America, 2008Co-Authors: Jesse H Ausubel, Paul E WaggonerAbstract:Dematerialization, represented by declining consumption per GDP of energy or of goods, offers some hope for rising environmental quality with development. The declining proportion of income spent on staples as affluence grows, which income elasticity
Herbert Peremans - One of the best experts on this subject based on the ideXlab platform.
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Touching the dematerialized
Personal and Ubiquitous Computing, 2016Co-Authors: Lukas Desmond Campenhout, Caroline Hummels, Joep Frens, Achiel Standaert, Herbert PeremansAbstract:Smart phones and tablet computers have flooded the world. With their seemingly intuitive multi-touch interface, they seem to be a step towards embodied interaction. But are they really? In this paper we take off with an analysis of these products and our interaction with them from the perspective of Dematerialization. We claim that the multi-touch display is the outcome of a Dematerialization process. As it is applied today, it fails to fulfil the promise of embodied interaction, since it results in an impoverished, standardized and computer-like interaction. Next, we introduce our own design perspective, the third stand, which aims to consciously guide Dematerialization instead of blindly applying it. We believe this perspective leads to a fresh way of thinking about the multi-touch display. By presenting the design of a novel alarm clock, we emphasize the single-purpose character of the third stand and reveal its own specific nature. Next, in two design projects, we confront the third stand with the multi-touch display and enhance the latter with specific, meaningful and rich actions. We discuss the results of these two design projects and end this paper by reflecting on the third stand.
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Physical interaction in a dematerialized world
International Journal of Design, 2013Co-Authors: Lukas Van Campenhout, Joep Frens, Achiel Standaert, Cj Kees Overbeeke, Herbert PeremansAbstract:Dematerialization is an ongoing process in today's generation of intelligent, digital products; content becomes disengaged from fixed carriers, and flows freely through networks and devices. We have witnessed how music CDs and cash money have been replaced by MP3 files and digital payments, as well as how Dematerialization has entered the field of books. In this study, the process of Dematerialization is explored. We define it and focus on its benefits and drawbacks, while trying to find answers to the question of how to design dematerialized products without neglecting the rich values of the physical world. Regarding this, we take a look at the approach of Tangible Interaction, and find it inspirational. Subsequently, in two design cases of an audio system and a payment terminal, we lay the foundations for our own design approach, which is situated in between the Tangible Interaction approach and the approach that is applied in today's generation of digital products. Finally, our approach is placed within the context of the Rich Interaction paradigm.
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Hard Cash in a Dematerialized World
2012Co-Authors: Lukas Van Campenhout, Caroline Hummels, Joep Frens, Achiel Standaert, Herbert PeremansAbstract:Dematerialization is an ongoing process in today’s generation of intelligent, digital products. Content becomes disengaged from fixed carriers, and flows freely through networks and devices. We already witnessed how music albums and cash money were replaced by MP3 files and digital payment. Now Dematerialization has entered the world of books. Dematerialization of these artifacts enhances their flexibility and availability, but our interaction with them loses its physical richness and becomes mainly cognitive and abstract. Since we believe that digital products should appeal to cognitive and perceptual-motor skills, we consider this move towards cognition as a pitfall. In this paper, we illustrate how we educate our Industrial Design students at University of Antwerp to deal with Dematerialization. We discuss a design project that forced the students to at first, design the interaction. Here, the emphasis was on movement and not the artefact. Only after that, the students were asked to design the product. The results of this project show that this way of working leads to solutions that otherwise would remain unexplored.