分面浏览：发表日期 |
| 当前检索式 | ((ALL：改良剂)) |
| 限定条件 | 无 |
| 2023 1 | 2022 1 | 2021 2 |
| 2020 3 | 2019 6 | 2018 22 |
| 2017 11 | 2016 25 | 2015 27 |
| 2014 15 | 2013 19 | 2012 19 |
| 2011 14 | 2010 23 | 2009 18 |
| 2008 6 | 2007 14 | 2006 14 |
| 2005 12 | 2004 13 | 2003 18 |
| 2002 10 | 2001 9 | 2000 6 |
| 1999 7 | 1998 1 | 1997 3 |
| 1996 3 | 1993 2 | 1992 1 |
| 1990 1 | 1989 1 | 1988 1 |
| 1986 2 | 1980 1 |
