Prioritizing impacts: the second stage of life cycle assessment

机译：优先考虑影响：生命周期评估的第二阶段

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The first stage of life cycle assessment, inventory analysis, may be complex in practice but is conceptually straightforward. The second stage, impact assessment, is much more conceptually difficult, because it ultimately involves making choices among different impacts on the environment. Several techniques for impact assessment of specific products have been proposed; none has yet seen general use. This paper presents and discusses some of the product ranking systems in use, analyzes their favorable and unfavorable characteristics, and suggests steps that can assist engineers in life cycle analyses even while techniques for relative ranking of environmental impacts remain under development.

机译：生命周期评估的第一阶段，即库存分析，在实践中可能很复杂，但在概念上很简单。第二阶段，影响评估在概念上更加困难，因为它最终涉及在对环境的不同影响之间做出选择。已经提出了几种对特定产品进行影响评估的技术。尚无普遍用途。本文介绍并讨论了一些使用中的产品评级系统，分析了它们的优缺点，并提出了一些步骤，即使在环境影响的相对评级技术仍处于开发阶段时，也可以帮助工程师进行生命周期分析。

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《Electronics and the Environment, 1994. ISEE 1994. Proceedings., 1994 IEEE International Symposium on》|1994年|P.89-93|共5页
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Graedel T.E.;
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中图分类无线电电子学、电信技术;
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Prioritizing impacts: the second stage of life cycle assessment

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