[DOC]
热膨胀系数是由非谐项决定的,仅考虑势能展开式中的三次方项,热胀系数是与温度无关的常数。如果计入势能展开式中的更高次项,则线胀系数
回答: 复旦大学 含有N个原子的多原子分子,有3N个自由度,如果势能项只取二次近似(即简谐振子模型),经过分离变量,分子的振动可以用3N
由 marketreflections
于 2011-03-13 21:37:58
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