We explained them with the energy band theory.
利用能带理论进行了合理的解释。
The article deals with the oil and rock mineral property according to the molecular orbit theory and the energy band theory of the solid material.
该文依据分子轨道理论和固体物质的能带理论，对石油及岩石矿物的荧光性成因进行了论述。
Following, we described solid energy band theory which is one of the most successful and important theory in condensed physics, and materials computation methods with first-principle.
紧接着叙述了凝聚态物理学中最成功、最重要的理论之一——固体能带理论，以及在这一理论框架下的第一性原理的材料计算方法。
It will offer good data for the studies on the theory of energy band.
为固体能带理论的研究提供了具体数据。
On the basis of the tight-binding approach in the energy-band theory, the EHMO crystal orbit program to be used in a microcomputer was compiled in the FORTRAN language.
根据能带理论中紧束缚近似方法，用FORTRAN语言编制了适于微机使用的EHMO晶体轨道程序。
Applying the theory of relativistic quantum field, the paper puts forward an approximate method to calculate electronic energy band with relativistic Green Function.
运用相对论量子场理论，提出了一个相对论格林函数计算能带的近似方法。
The binding energy, energy band structure and optical properties of the oxygen physical adsorption on semiconducting single-wall carbon nanotube are studied by the density functional theory.
用密度泛函理论计算了氧分子物理吸附在半导体型单壁碳纳米管的束缚能，能带结构和吸收光谱。
Signal sample is analyzed through wavelet packet theory, best base is chose, and the average energy of every sub frequency band is calculated, at last 14 links of characteristic vectors are get.
将信号样本进行小波包变换，并选择最好基，计算各子频带的平均能量，得到14维特征向量。
Signal sample is analyzed through wavelet packet theory, best base is chose, and the average energy of every sub frequency band is calculated, at last 14 links of characteristic vectors are get.
将信号样本进行小波包变换，并选择最好基，计算各子频带的平均能量，得到14维特征向量。
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