【摘要】 生命周期评价突出产品从原材料采集到残余物返回环境全过程中对环境的综合影响，是一种系统的、全过程的环境影响评价。对产品的生命周期进行完整地清单分析、效应分析、改进分析可以回答许多技术和政策定位问题，对解决诸多环境问题有重要的价值。更多还原

【Abstract】 Life-Cycle Assessment(LCA) which included all phases from extraction of raw materials from ground to the final waste treatment was a systematic and full-process environmental impact assessment. The inventory analysis, function unity impact analysis and improvement analysis were useful for resolving many environmental problems.更多还原