Conventional ab initio methods are hard to apply to the large molecular...
而传统的从头计算所需要的计算量太大，很难应用到较大体系。
The reaction of HNO with o radical was investigated by density functional theory (DFT) and ab initio methods.
用密度泛函理论(DFT)和从头算方法，对HNO与O自由基反应进行了研究。
This paper discusses the quantum chemistry ab initio calculation method and some semi-empirical calculation methods frequently used on the electronic structure.
对电子结构计算中常用的量子化学从头算方法及几种量子化学半经验计算方法进行了讨论。
This paper discusses the quantum chemistry ab initio calculation method and some semi-empirical calculation methods frequently used on the electronic structure.
对电子结构计算中常用的量子化学从头算方法及几种量子化学半经验计算方法进行了讨论。
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