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Issue:
di qiu de yi tian
Pages:
37
Year:
1996
Issue:
3
Journal:
Resources Economization and Comprehensive Utilization
Abstract:
地球的一天世界各国70%的城市居民,即15亿人,呼吸着不卫生的空气。至少有800人由于空气污染而过早死亡。5600万吨二氧化碳排入大气层,大部分是通过使用矿物燃料和焚烧热带雨林排放的。各种冰箱、空调器、喷雾容器和某些工业生产过程把1500多吨吞噬臭氧...
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