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A life cycle impact assessment method based on multi-environmental dimension

机译：基于多环境维度的生命周期影响评估方法

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摘要

As the most important and controversial phase of life cycle assessment (LCA), the life cycle impact assessment (LCIA) has drawn the most attention. How to reflect the spatial characteristics of the environmental impacts has become a significant problem in an urgent need to be solved for improving the transparency and the reliability of the LCIA, especially for that with distinct environmental diversity in China. Based on the multi-environmental dimension, a new life cycle impact assessment method is proposed under the framework of ISO14040. First, pollutants released or materials consumed in the life cycle of the product are related to spatial characteristics in order to reflect the diversity of regional environment. The calculation method of the space characteristic coefficient is presented in detail by analyzing the endurance capacity of regional environmental and environmental standards. Second, midpoint and endpoint categories are chosen and combined briefly that their relationships are discussed according to the environmental mechanism. Next, the normalization references are proposed which reflects the latest and most detailed knowledge of environment science. Also, the distance-totarget method is selected as the weighting method and a single index can be obtained after the weighting. Finally, this LCIA method is applied to study the LCIA of electromotors in China.
机译：作为生命周期评估（LCA）的最重要且最具争议的阶段，生命周期影响评估（LCIA）引起了最多的关注。如何反映环境影响的空间特征已成为一个重大问题，迫切需要解决，以提高LCIA的透明度和可靠性，特别是对于中国独特的环境多样性而言。基于多环境维度，在ISO14040框架下提出了一种新的生命周期影响评估方法。首先，产品生命周期中释放的污染物或消耗的材料与空间特征相关，以反映区域环境的多样性。通过分析区域环境和环境标准的承受力，详细提出了空间特征系数的计算方法。其次，选择中点和端点类别并进行简要组合，以便根据环境机制讨论它们之间的关系。接下来，提出了标准化参考，这些参考反映了环境科学的最新和最详细的知识。而且，选择距离目标方法作为加权方法，并且在加权之后可以获得单个索引。最后，该LCIA方法被用于研究中国电动机的LCIA。

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