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Table representation of search results timeline featuring number of search results per year.
Year | Number of Results |
---|---|
1939 | 1 |
1957 | 1 |
1963 | 1 |
1965 | 4 |
1966 | 5 |
1967 | 3 |
1968 | 11 |
1969 | 5 |
1970 | 3 |
1971 | 8 |
1972 | 5 |
1973 | 6 |
1974 | 5 |
1975 | 10 |
1976 | 11 |
1977 | 5 |
1978 | 10 |
1979 | 18 |
1980 | 11 |
1981 | 9 |
1982 | 20 |
1983 | 21 |
1984 | 23 |
1985 | 28 |
1986 | 32 |
1987 | 23 |
1988 | 29 |
1989 | 37 |
1990 | 33 |
1991 | 31 |
1992 | 43 |
1993 | 53 |
1994 | 48 |
1995 | 55 |
1996 | 74 |
1997 | 55 |
1998 | 57 |
1999 | 74 |
2000 | 119 |
2001 | 188 |
2002 | 187 |
2003 | 246 |
2004 | 296 |
2005 | 341 |
2006 | 388 |
2007 | 426 |
2008 | 465 |
2009 | 573 |
2010 | 582 |
2011 | 652 |
2012 | 757 |
2013 | 732 |
2014 | 746 |
2015 | 864 |
2016 | 1121 |
2017 | 1377 |
2018 | 1646 |
2019 | 1991 |
2020 | 2324 |
2021 | 2387 |
2022 | 2704 |
2023 | 2853 |
2024 | 1179 |
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The resulting materials are micro-mesoporous, possess high specific surface area and display N-sites (N/C of 3-5 at%) and Fe-centers (Fe/C < 1.5at.%) at the carbon surface as evidenced from characterization methods. ...Therefore, the proposed Fe/N-
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