分面浏览：发表日期 |
| 当前检索式 | ((ALL：R&D)) |
| 限定条件 | 无 |
| 2024 102 | 2023 418 | 2022 1348 |
| 2021 2659 | 2020 3067 | 2019 9813 |
| 2018 15010 | 2017 14377 | 2016 13287 |
| 2015 11671 | 2014 10654 | 2013 10197 |
| 2012 8906 | 2011 8057 | 2010 8245 |
| 2009 6459 | 2008 5172 | 2007 4271 |
| 2006 3894 | 2005 3121 | 2004 2535 |
| 2003 1919 | 2002 1648 | 2001 1504 |
| 2000 1898 | 1999 1104 | 1998 953 |
| 1997 693 | 1996 537 | 1995 438 |
| 1994 368 | 1993 386 | 1992 372 |
| 1991 295 | 1990 285 | 1989 276 |
| 1988 229 | 1987 158 | 1986 166 |
| 1985 110 | 1984 126 | 1983 74 |
| 1982 91 | 1981 60 | 1980 39 |
| 1979 32 | 1978 7 | 1977 13 |
| 1976 7 | 1975 10 | 1974 6 |
| 1973 2 | 1972 1 | 1971 1 |
| 1970 1 | 1969 2 | 1967 2 |
| 1966 2 | 1965 4 | 1964 6 |
| 1963 2 | 1962 1 | 1961 2 |
| 1960 2 | 1959 3 | 1958 1 |
| 1957 6 | 1956 4 | 1953 1 |
| 1948 1 | 1936 1 |
