%0 Journal Article %T Preface %J 环境科学学报(英文版) %D 1992 %I %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=3FF3ABA7486768130C3FF830376F43B398E0C97F0FF2DD53&cid=A7CA601309F5FED03C078BCE383971DC&jid=6CB1530875F53489BF1E81BD87B7F5E6&aid=F4D8BB26085BC71372F08F784A3B5C0A&yid=F53A2717BDB04D52&vid=E158A972A605785F&iid=E158A972A605785F&sid=CA4FD0336C81A37A&eid=0B39A22176CE99FB&journal_id=1001-0742&journal_name=Journalofenvironmentalsciences(China)&referenced_num=0&reference_num=0