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guosq8667

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[交流] 关于自环绕(self-catenated)中结的问题

请大家帮我解释一个关于环绕中节点的概念,一下引一小段文献
At first glance the molecular knot seems to be a figure-eight (41) knot rather than trefoil knot. However, the over/under (O/U) sequence of the crossings in the typical figure-eight is alternate U–O–U–O in the direction of the arrow, whereas that in 1 is U–O–O–U.
请问over/under (O/U) sequence是什么意思,如何判断O-U的顺序
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guosq8667

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大家帮忙啊
2楼2011-06-22 11:08:54
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2011-06-22 20:32   回复  
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