采用生命周期评价法研究了牛奶纸塑铝复合包装的全生命周期环境影响，并与塑料包装的环境影响进行比较评价。
The environmental impact of complex packages made of aluminum, polyethylene and paper board(Al-PE-Pa) and plastic packages were estimated using life cycle assessment(LCA) and compared.
运用全生命周期分析方法对产品的性能进行分析，采用线性标度法和层次分析法建立产品全生命周期评价模型。
Life cycle assessment was used to evaluate the performances of product, and linear scale and analytic hierarchy process were applied to establish the model for product life cycle assessment.
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