2013年11月29日 Science

nero1981

2013年11月29日 Science9 `- F6 ^7 Y/ B5 B/ v' v( g2 n0 W
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COVER Color-enhanced scanning electron micrograph of rust (iron oxide) / R3 o, f! A6 g5 a* w
on painted sheet metal (width of image field: 41.3 micrometers). When activated 7 f* `- b! @( @9 D
by a thin carbon layer doped with nitrogen atoms, iron oxide proves to be an
) {. X; o; T9 `. tefficient catalyst for selective hydrogenation of nitroarenes to anilines, a   {3 ~  D  a5 \8 i
process that previously required noble metals. See pages 1054 and 1073. - p  b7 X0 q5 z+ F: x4 ?
Image: Eye of Science/Science Source
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懵懂干细胞

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