The influence of paper and plastic packaging on environment are assessed by the method of life cycle analysis (LCA) in this paper.
采用国际通用的生命周期分析(LCA)方法，评价了纸和塑料包装对环境的影响。
The concept and method of life cycle assessment are simply introduced and the environment performance of pavement concrete is systemically estimated with LCA.
简要介绍生命周期评价的概念和方法，应用生命周期评价方法评价道路水泥混凝土的环境性能。
The predigestion life cycle assessment method (LCA) has been applied to investigate the environmental impact of recycle copper process from copper-slag.
本文运用简化生命周期评价的方法，对铜炉渣回收铜的过程进行了环境影响评价。
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