分面浏览：发表日期 |
| 当前检索式 | ((ALL：radiation)) |
| 限定条件 | ((专题：北京大学)) |
| 2017 94 | 2016 124 | 2015 136 |
| 2014 115 | 2013 101 | 2012 78 |
| 2011 65 | 2010 74 | 2009 68 |
| 2008 56 | 2007 52 | 2006 25 |
| 2005 38 | 2004 34 | 2003 28 |
| 2002 20 | 2001 28 | 2000 18 |
| 1999 13 | 1998 18 | 1997 7 |
| 1996 9 | 1995 3 | 1994 2 |
| 1993 5 | 1992 2 | 1991 3 |
| 1990 5 | 1989 2 | 1988 1 |
| 1986 3 | 1985 1 | 1984 4 |
| 1982 1 |
