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inthenorth

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sudan789: 金币+10, ★★★★★最佳答案 2014-08-03 21:40:37
首先楼主你得知道这几个概念self-assembly、Self-organization、self-aggregation
There are discussions about the usage of “self-organization,” “component or molecular assembly” that are based both on the information content of the components or molecules that results in organizationals and on the number of different components
这些概念是有交集的,Aggregation:倾向于无组织无纪律的聚集,状态很不稳定,很容易聚集到一定程度而发生沉淀等现象;不同层次的组装体possess different architectures at different size scales而且Self-organization occurs in a variety of physical, chemical, biological, social and cognitive systems.一般说来selfassembly是其子集
Self-assembly results in discrete systems with exact geometries, albeit with varying yields, where a missing component is a defect that alters the structure and properties of the system; self-organization results in nondiscrete systems with varying sizes, where a missing component dosen’t alter the structure and the properties are not affected below a critical defect density.
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11楼2014-08-03 19:45:01
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wujiazhoou

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nono2009: 金币-5, 应助指数-1, 屏蔽内容, 违规存档, 请勿刷应助 2014-08-04 07:40:33
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12楼2014-08-03 19:59:53
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13楼2014-08-03 21:54:45
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inthenorth

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13楼: Originally posted by sudan789 at 2014-08-03 21:54:45
Self-assembly 改变系统结构和性质,这是从结果上面说的,但是和过程到底是物理还是化学似乎没有关系啊。...

自组装是个过程,很多时候都是动态的,狭义来说就比如一堆本来散乱的积木,自组装就是这样一个使他恢复到一定有序结构,起到一定功能作用的过程,其间以来的作用力主要就是正负电荷静电作用力、氢键、亲疏水作用等等,你从驱动力也可以看出,都是非共价的,所以就是物理过程
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14楼2014-08-03 22:08:42
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EinsteinA

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一切过程都是物理过程……你不能这么问……

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15楼2014-08-03 22:51:48
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16楼2014-08-04 13:15:45
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