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- 积分
- 17983
- 威望
- 17983
- 包包
- 26159
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" ? h$ h! P1 l" l" y: GCOVER False-colored scanning electron microscopy image of
' L! t2 k( K. s( Z# N3 n9 vcarbonate-silica "flowers," each ~50 micrometers high. A vast array of similarly
$ c% D) ]7 [: K. Y9 M7 m1 Kcomplex, well-defined microstructures can be sculpted by manipulating conditions ; z Z& ?/ o! s, h9 u
such as pH, temperature, and carbon dioxide concentration. With insight into - @5 D) l: a/ k) ?. N2 F8 y
molecular growth mechanisms, these structures are dynamically steered toward
! @9 R" n% ?3 t( Q- Z$ ]( Sarbitrary, hierarchically assembled architectures. See pages 822 and 832, as well 4 j* l4 U4 J+ `6 E
as a slideshow online. Image: Wim Noorduin and Joanna Aizenberg + s, W) ^+ B% |- F
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