分面浏览：发表日期 |
| 当前检索式 | ((ALL：污染水平)) |
| 限定条件 | ((内容类型：期刊论文)) |
| 2023 2 | 2022 7 | 2021 7 |
| 2020 26 | 2019 58 | 2018 75 |
| 2017 108 | 2016 116 | 2015 121 |
| 2014 114 | 2013 103 | 2012 160 |
| 2011 103 | 2010 193 | 2009 92 |
| 2008 90 | 2007 68 | 2006 55 |
| 2005 63 | 2004 51 | 2003 41 |
| 2002 25 | 2001 23 | 2000 28 |
| 1999 17 | 1998 14 | 1997 13 |
| 1996 16 | 1995 7 | 1994 3 |
| 1993 6 | 1992 4 | 1991 9 |
| 1990 6 | 1989 3 | 1988 4 |
| 1987 6 | 1986 5 | 1985 5 |
| 1984 3 | 1983 1 | 1982 3 |
| 1981 1 | 1974 1 |
