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2013年11月29日 Science
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+ [) ~4 J" {9 w* ~# Y' n2 QCOVER Color-enhanced scanning electron micrograph of rust (iron oxide) 8 {: E" J0 g0 R" ]0 ?
on painted sheet metal (width of image field: 41.3 micrometers). When activated
- u6 f1 Y/ |# Bby a thin carbon layer doped with nitrogen atoms, iron oxide proves to be an ( l# u9 e2 G0 u2 t" X' N
efficient catalyst for selective hydrogenation of nitroarenes to anilines, a
: O: U6 |- s0 K# u. M' S. Vprocess that previously required noble metals. See pages 1054 and 1073. 4 y% R) _% P& y) q
Image: Eye of Science/Science Source + ?6 x( [; T5 Y2 w* w2 W
) l) j, A$ r( Y- _* }8 U2 D. m! ~% M6 Z U6 Z1 Q7 x
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发表于 2013-12-2 19:24
发表于 2013-12-3 08:18
