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Material Stock Demographics: Cars in Great Britain

机译:人口统计:英国的汽车

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摘要

Recent literature on material flow analysis has been focused on quantitative characterization of past material flows. Fewer analyses exist on past and prospective quantification of stocks of materials in-use. Some of these analyses explore the composition of products' stocks, but a focus on the characterization of material stocks and its relation with service delivery is often neglected. We propose the use of the methods of human demography to characterize material stocks, defined herein as stock demographics, exploring the insights that this approach could provide for the sustainable management of materials. We exemplify an application of stock demographics by characterizing the composition and service delivery of iron, steel, and aluminum stocks of cars in Great Britain, 2002-2012. The results show that in this period the stock has become heavier, it is traveling less, and it is idle for more time. The visualization of material stocks' dynamics demonstrates the pace of product replacement as a function of its usefulness and enables the formulation of policy interventions and the exploration of future trends.
机译:关于物质流分析的最新文献已经集中于过去物质流的定量表征。对使用中的材料的过去和未来的数量进行的分析很少。其中一些分析探讨了产品库存的构成,但通常忽略了对材料库存的表征及其与服务提供的关系的关注。我们建议使用人类人口统计学方法来表征材料库存(此处定义为库存人口统计),以探索这种方法可以为材料的可持续管理提供的见解。我们通过描述2002-2012年英国汽车铁,钢和铝的库存组成和服务提供情况来举例说明库存人口统计的应用。结果表明,在此期间,库存变得更重,行驶更少,闲置了更多时间。可视化的物料库存动态显示了产品更换的速度及其实用性,并可以制定政策干预措施并探索未来趋势。

著录项

  • 来源
    《Environmental Science & Technology》 |2016年第6期|3002-3009|共8页
  • 作者单位

    Department of Engineering, University of Cambridge, Trumpington Street, Cambridge CB2 1PZ, United Kingdom;

    Department of Engineering, University of Cambridge, Trumpington Street, Cambridge CB2 1PZ, United Kingdom;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
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