查询词典 density

It is found that atomic densities of hypo-eutectic alloy increased and coordination number decreased with Si% rising, and there was a maximum of atomic density at eutectic composition.

发现在亚共晶成分范围内，随着Si量的升高，合金熔体原子密度升高，配位数下降，合金的原子密度在共晶处达到极大。

The electronic structure and magnetism of clusters Nin(n=2-6) have been studied by spin-polarized MS-Xα method. The results show that the effect of the cluster symmetry on its atomic magnetic moment and electronic density of states is very notable.

采用MS-Xα方法研究了Nin (n=2—6)原子簇的电子结构和原子磁矩，发现团簇的几何对称性对原子磁矩和电子态密度的分布有重要影响。

The physical properties including the atomic positions,the layer atomic density and the layer structure factor were calculated to disclose the relations between their microstructures and temperature.

通过计算不同温度的原子位置、层原子密度、层结构因子、径向分布函数等物理量，研究(001)面的微观结构随温度的变化。

For the request of the high resolution ability of X-ray imaging, the inorganic scintillating materials with high effective atomic numbers and high density are studied intensely.

针对X射线高分辨成像的要求，具有较高有效原子序数和较大密度的无机闪烁材料成为当今研究的热点，重点阐述了溶胶－凝胶法制备这类闪烁薄膜的研究现状，并对其今后的发展进行了展望。

With quantum chemical calculation, all the information about electronic and spatial structures of specific compounds can be obtained, including molecular orbital energy level, atomic charge density, polarizability, and electrostatic charge of molecules.

通过对化合物进行量子化学计算，可以获得有关分子的电子结构和立体结构信息，如分子轨道能级、原子的电荷密度、极化率以及分子的静电荷等。

Measuring the intensities of both high-and low-energy gamma-rays,the two parameters of formation density and equivalent atomic number,which is related to the formation lithology, can be derived at the same time.

同时测量散射伽玛射线的高能部分和低能部分，可以获得地层密度和与地层岩性有关的等效原子序数这两个参数。

The room-temperature resistivity ρ〓 of a fully nanocrystallized 〓 sample increases obviously, which can be associated with the low atomic density, the high degree of disorder and the depletion of Fe atom.

充分纳米晶化的〓纳米晶试样的室温电阻率ρ〓的明显增加与界面相的低原子密度、高度无序和Fe原子的相对减少密切相关。

Laser theory ; Laser Pumping ; pumping source ; Atomic energy level ; Density matrix

激光理论；激光抽运；抽运源；原了能级；密度矩阵

In the catalyst after leaching, other than nanoscaled Ni crystallites, boundary area is observed from HREM. These areas are low contrast and high brightness. The atomic density of these areas should be low, therefore, it is suggested that they are rich in voids and phosphorus atoms.

高分辨电子显微观察显示，合金脱铝形成镍纳米晶的同时，还形成了纳米尺寸的低密度、高亮度的界面区域，该区域与其它文献中提到的孔洞尺寸相当，但认为它应该是富含铝及大量缺陷的结构疏松区。

With the increase of temperature, the relative intensity of each Doppler-free hyperfine spectroscopy has a trend of increase at the beginning, then decrease as the result of the influence of the effective atomic number density, Doppler-broadening and the susceptibility.

由于有效原子数密度、多普勒加宽、电极化率受温度变化的影响，每一条超精细谱线的相对强度随着温度的升高都会出现先增大后减小的变化趋势，相对强度最高时的温度称为最佳温度。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了