分面浏览：发表日期 |
| 当前检索式 | ((ALL：Hydrogen concentration)) |
| 限定条件 | 无 |
| 2024 6 | 2023 4 | 2022 16 |
| 2021 44 | 2020 81 | 2019 119 |
| 2018 158 | 2017 98 | 2016 135 |
| 2015 106 | 2014 123 | 2013 137 |
| 2012 135 | 2011 123 | 2010 241 |
| 2009 121 | 2008 132 | 2007 82 |
| 2006 54 | 2005 43 | 2004 42 |
| 2003 35 | 2002 37 | 2001 32 |
| 2000 22 | 1999 33 | 1998 32 |
| 1997 7 | 1996 18 | 1995 9 |
| 1994 10 | 1993 9 | 1992 15 |
| 1991 4 | 1990 4 | 1989 3 |
| 1988 6 | 1985 2 | 1970 1 |
| 1936 1 |
