分面浏览：发表日期 |
| 当前检索式 | ((ALL：Surface water)) |
| 限定条件 | ((内容类型：专利)) |
| 2023 1 | 2021 2 | 2020 8 |
| 2019 1 | 2018 8 | 2017 5 |
| 2016 8 | 2015 20 | 2014 9 |
| 2013 15 | 2012 6 | 2011 5 |
| 2010 4 | 2009 10 | 2008 8 |
| 2007 4 | 2006 4 | 2005 1 |
| 2003 8 | 2002 2 | 2001 2 |
| 2000 1 | 1999 1 | 1997 2 |
| 1996 2 | 1995 1 | 1994 1 |
| 1993 1 | 1992 4 | 1991 3 |
| 1990 4 | 1989 4 | 1988 4 |
| 1987 5 | 1986 5 | 1985 7 |
| 1984 4 | 1983 3 | 1981 2 |
| 1980 1 | 1972 1 | 1967 1 |
