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- On this assumption the phonon density of states has been calculated by the Cluster-Bethe-lattice Method (CBLM). 在此前提下;本文采用 CBLM方法(即 Cluster-Bethe-Lattice Method)计算了a-Si:H的声子态密度.
- The energy bands and density of states were calculated using the VASP(Vienna ab-initio simulation package) program. 在此基础上计算了化合物的能带结构和电子能态密度。
- Meanwhile, the density of state near Fermi level increases with the change from high valence to low valence. 同时,费密能级附近的态密度随着价态变低而逐渐增加。
- N(O), the density of state at Fermi level, has been esti-mated by (dH_(c2)/dT)_(T_c). 由(dH_c_2/dT)_(T_c)的测量得到费米面上电子态密度N(0).
- The distribution of local density of states(LDOS) in quasiperiodic photonic crystal(QPC) and the total density of states(DOS) are studied. 本文研究了准晶光子晶体的局域态密度和全态密度。
- Density of states diagrams for Ti_(17) show a hydrogen induced band at approxi-matel 6.5.ev below the Fermi level in agreement with photoemission results. ti_(17)的态密度图表明;由氢而产生的带位于Fcrmi 能级下约6.;5ev 处;光电子发射的结果是定性相符的
- It is found that the position of the Fermi level is located near the minimum of the density of states, which explains the double Curie-point phenomena in Nb-Ni alloys. 从电子结构说明了Nb-Ni合金中存在双居里点现象的原因。
- The valence-band offsets of such systems are calculated by frozen potential method and their Joint density of states has been computed by tetrahedron method. 在此基础上,用冻结势方法计算了该超晶格系统的价带带阶;用四面体方法计算了该系统的联合态密度。
- The density of population in this city is very high. 这个城市的人口密度非常高。
- The numerical results demonstrate that the Coulomb repulsion between the localized electrons does cause a universal gap in the single-electron density of states near the Fermi energy whose form is in reasonable agreement with our scaling predictions. 数值结果表明:库仑排斥确实导致了库仑能隙的普遍存在,单电子态密度在费米能级附近的渐近行为很好地符合我们的分析预测。
- Based on the above calculation, we havealso studied the electronic energy structure and total density of states using a slabmodel of 12-layers of Si(111) with and without monolayer of adsorbates and the EHT-ETB method. 计算结果表明;F可以吸附在Si(111)面的顶位和三度空位上;但以顶位为更稳状态.;顶位吸附时;F与表面的距离为1
- The generalized phonon density of states of Y-Ba-Cu-O superconductor (Tc=90.5K) have been measured at 289K and 87K respectively, by using Be filter detector neutron inelastic scattering spectrometer at Institute of Atomic Energy. 利用铍过滤探测器中子谱仪分别在298K及87K测量了Y-Ba-Cu-O超导体(T_e=90.;5K)的广义声子谱。
- The area had a population density of five people per square mile. 该地区人口密度为每平方英里五人。
- The absorption edge increases as the amount of fluorine is raised. The optical energy gap E g is mainly determined by CF bond in the films, which results in the change of the density of states in band tail of the valence band. 薄膜中氟的引入对吸收边和光学带隙产生较大的影响 ,吸收边随氟含量的提高而增大 ,光学带隙则主要取决于CF键的含量 ,是由于强电负性F的引入改变了价带带尾附近带隙中态密度的结果所至
- We also calculated the density of states (DOS) of the ground state structures of Aln clusters, discussed the HUMO-LUMO gap of Aln clusters and found Aln clusters may present metallic properties. 同时我们还计算了各个铝团簇的基态结构的态密度和HUMO-LUMO能量差,数据分析表明这些铝团簇有一些金属性的倾向。
- Most republic have president as head of state. 大多数共为国国家以总统为国家元首。
- The strengths of ionic and covalent bonds mainly decrease in LiMPO_4 from Mn to Ni, and the variations of density of state(DOS) show that the electronic conductivity should be increased from Mn to Ni. 从LiMnPO_4到LiNiPO_4, 离子键和共价键强度都降低,再加上态密度的比较都表明,从LiMnPO_4到LiNiPO_4电导率逐渐升高,这与实验结果一致。
- Do you know the density of population in this area? 你知道这个地区的人口密度吗?
- The head of state was deposed by the army. 国家元首被军队废黜了。
- Japan has a high density of population. 口密度很大。