分面浏览：发表日期 |
| 当前检索式 | ((ALL：isotope ratio)) |
| 限定条件 | ((内容类型：期刊论文)) |
| 2024 3 | 2023 14 | 2022 19 |
| 2021 37 | 2020 47 | 2019 86 |
| 2018 100 | 2017 83 | 2016 83 |
| 2015 70 | 2014 114 | 2013 63 |
| 2012 50 | 2011 55 | 2010 49 |
| 2009 43 | 2008 34 | 2007 49 |
| 2006 20 | 2005 31 | 2004 19 |
| 2003 14 | 2002 22 | 2001 23 |
| 2000 14 | 1999 8 | 1998 4 |
| 1997 6 | 1996 1 | 1995 3 |
| 1994 7 | 1993 2 | 1992 3 |
| 1991 3 | 1987 1 | 1981 1 |
