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Please note that some of the translations on this page are AI generated. Click here for the English version.
范德瓦尔(Van der Waal)力是当一个原子足够接近另一个原子以干扰其电子诱导的具有内聚性的临时偶极子时产生的非特定吸引力。
范德瓦尔相互作用是如此强大的累积,它们可以持有壁虎的重量!这项惊人的壮举是通过壁虎毛尖上的分子和壁面上的分子之间的许多相互作用来实现的。脚趾毛发的表面积增加了,因为每个脚趾上有数十万根毛发,每个毛发的尖端有多个投影,从而产生足够的范德瓦尔相互作用,以克服重力对壁虎的自然影响,并允许壁虎沿着直墙行走。
DNA的结构受到弱的、暂时的非共价相互作用的影响。双螺旋的相邻“横档”上碱基对之间的范德瓦尔相互作用将碱基保持在最佳角度,以使双螺旋紧密堆积。
范德瓦尔斯相互作用
是当一个原子靠近另一个原子时
产生的非特异性吸引
这会干扰它的电子
产生暂时的偶极子凝聚
这种活动有助于三维结构建立
比如DNA
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