分面浏览：Issued Date |
| 当前检索式 | ((ALL：purification)) |
| 限定条件 | 无 |
共34条，第1-34条
| 2024 2 | 2023 6 | 2022 15 |
| 2021 36 | 2020 26 | 2019 28 |
| 2018 33 | 2017 33 | 2016 22 |
| 2015 31 | 2014 23 | 2013 25 |
| 2012 33 | 2011 39 | 2010 29 |
| 2009 24 | 2008 24 | 2007 30 |
| 2006 37 | 2005 28 | 2004 22 |
| 2003 13 | 2002 13 | 2001 9 |
| 2000 3 | 1999 5 | 1998 3 |
| 1997 2 | 1996 1 | 1995 1 |
| 1994 1 | 1991 1 | 1986 2 |
| 1905 2 |