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- 积分
- 17983
- 威望
- 17983
- 包包
- 26159
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2013年11月29日 Science5 F% q q2 |' t* w7 K0 J( d
% i8 j- k5 }, b* E- jCOVER Color-enhanced scanning electron micrograph of rust (iron oxide) ! S1 F! J( c' R: z. u/ O% O
on painted sheet metal (width of image field: 41.3 micrometers). When activated - r$ O4 |* x4 q/ x
by a thin carbon layer doped with nitrogen atoms, iron oxide proves to be an ( k" X0 T4 G9 U( T5 T! w
efficient catalyst for selective hydrogenation of nitroarenes to anilines, a
, j1 W6 Q- N8 m& [; K/ M$ \process that previously required noble metals. See pages 1054 and 1073.
3 V9 O! o# n7 m0 r1 ?5 h) d6 P5 wImage: Eye of Science/Science Source
2 n& @! y4 r) F* Z* F/ L; u* b, Q3 w# j+ ?. ]! b! Z
& C/ \9 ], q; t6 |, ~9 {6 ^
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总评分: 威望 + 20
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发表于 2013-12-2 19:24
