分面浏览：发表日期 |
| 当前检索式 | ((ALL：chromatography)) |
| 限定条件 | ((专题：北京大学)) |
| 2017 35 | 2016 53 | 2015 68 |
| 2014 49 | 2013 45 | 2012 54 |
| 2011 47 | 2010 56 | 2009 50 |
| 2008 55 | 2007 56 | 2006 49 |
| 2005 60 | 2004 53 | 2003 43 |
| 2002 43 | 2001 37 | 2000 21 |
| 1999 22 | 1998 22 | 1997 24 |
| 1996 16 | 1995 1 | 1994 7 |
| 1993 5 | 1992 3 | 1991 5 |
| 1990 1 | 1988 1 | 1987 7 |
| 1986 2 | 1985 3 | 1983 2 |
| 1982 1 |
