分面浏览：发表日期 |
| 当前检索式 | ((ALL：Metal concentration)) |
| 限定条件 | 无 |
| 2024 6 | 2023 18 | 2022 61 |
| 2021 118 | 2020 198 | 2019 264 |
| 2018 315 | 2017 247 | 2016 276 |
| 2015 213 | 2014 199 | 2013 236 |
| 2012 216 | 2011 161 | 2010 412 |
| 2009 184 | 2008 139 | 2007 120 |
| 2006 116 | 2005 73 | 2004 78 |
| 2003 72 | 2002 44 | 2001 50 |
| 2000 37 | 1999 25 | 1998 35 |
| 1997 16 | 1996 14 | 1995 20 |
| 1994 11 | 1993 8 | 1992 9 |
| 1991 6 | 1990 2 | 1989 8 |
| 1988 4 | 1987 4 | 1985 2 |
| 1984 1 | 1983 2 | 1982 2 |
| 1980 1 | 1979 1 | 1978 1 |
| 1977 1 | 1965 1 |
