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¥Í©R¶g´Áµû¦ôªº·§©ÀÀ³¥Î©óÀô¹ÒºÞ²z¤W¡A¥i°l·¹¦Ü1969¦~¡A¬ü°ê¥i¤f¥i¼Ö¤½¥q©e°U¤¤¦è³¡¬ã¨s©Ò(Midwest research institute, MRI)¹ï¨ä¶¼®Æ®e¾¹§÷½è¤§¯à·½¯Ó¥Î¶q¶i¦æµû¦ô¡C1973¦~°_ÀHµÛ¬ü°ê¬Ù¯à¤Î¦^¦¬µ¥Àô«O·NÃѪº°ªº¦¡AMRI¡B´IÄõ§JªL¤½¥q(Franklin associates Ltd.)¤Î¬ü°êÀô«O¸p¡A°w¹ï¶¼®Æ®e¾¹¡B§¿¥¬¡B¤ò¤yµ¥¤é±`¥Î«~¡A¶i¦æ¸ê·½¤ÎÀô¹Òªº­å­±¤ÀªR(Profile analysis)¡C¦Ó80¦~¥N°_¡A¬ü°ê¯à·½³¡«h¶}©l¤ÀªR¦U²£·~»sµ{ªº¯à·½¬y»Pª«½è¬y¡]Energy and Material Flows¡^¡A¦¹§Y¥Í©R¶g´Áµû¦ô¤§«e¨­¡C1990¦~¡AÀô¹Ò¬r²z¤Æ¾Ç¨ó·|¡]Society of Environmental Toxicology and Chemistry ,SETAC¡^©Ò´£¥Xªº¡y¾Þ§@¼Ð·Ç¡z¡]Code of Practice¡^¡A´£¥XLCAªº©w¸q»P¬[ºc¡C¦Ó°ê»Ú¼Ð·Ç²Õ´¡]International organization for standardization, ISO ¡^«h©ó1996¦~°_¡A¤½§GISO14040¨t¦C¼Ð·Ç¡A¨î­qLCAÀ³¥Î¦ÜÀô¹ÒºÞ²z¤Wªº¼Ð·Çµû¦ô¬[ºc¤Î¨BÆJ¡C¡]Curran et al,1996¡F¶À«Ø¤¤¡A2005¡^

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