分面浏览：发表日期 |
| 当前检索式 | ((ALL：air concentrations)) |
| 限定条件 | 无 |
| 2024 1 | 2023 11 | 2022 45 |
| 2021 112 | 2020 153 | 2019 206 |
| 2018 227 | 2017 229 | 2016 274 |
| 2015 210 | 2014 179 | 2013 139 |
| 2012 151 | 2011 120 | 2010 196 |
| 2009 114 | 2008 87 | 2007 67 |
| 2006 49 | 2005 48 | 2004 29 |
| 2003 23 | 2002 19 | 2001 14 |
| 2000 7 | 1999 7 | 1998 7 |
| 1997 3 | 1996 2 | 1995 7 |
| 1994 1 | 1993 2 | 1992 3 |
| 1991 4 | 1988 1 | 1985 1 |
| 1905 1 |
