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Crystal structure was determined by powder X-ray Diffraction and lattice parameters as a function of Sr-concentration x were obtained by using Rietveld method.

在80K-300K温度范围的直流电阻率测量表明，材料的电性质在x=0.2和0.3之间展示了从半导体到金属的相变。x=0.2样品已接近绝缘体-金属相变的边缘。

Lastly, we discuss the energy-band structure of ultracold atoms in optical lattice by means of Green function method and in addition, procure the superfluid-Mott phase transition condition in mean-field approximation which is in agreement with the result in the literature.

最后利用格林函数方法讨论了光格子中超冷原子的能带结构，根据Mott相存在能隙的判据我们在平均场近似下重新得到superfluid-Mott相变条件，该结论与相关文献一致。

And the necessary of off lattice model and simplified energy function in protein folding is get. Then energy computation of protein folding process is designed and implemented. Secondly, with the characteristics of robustness and the ability of searching the better optimization, genetic algorithm, ant colony optimization algorithm and particle swarm algorithm are researched.

基于这个问题，主要在以下几个方面进行研究：首先，分析蛋白质折叠模型和能量优化函数，得出蛋白质非格点模型和简化能量函数在蛋白质折叠研究中的必要性，并设计实现基于非格点模型的蛋白质折叠的能量计算模块。

Adsorption isotherms of hydrogen on the microporous zeolites A and X under supercritical conditions were modeled using lattice density function theory based on the three-dimensional Ono-Kondo equation.

采用基于三维Ono-Kondo方程的格子密度函数理论模型模拟了氢气在A和X型微孔沸石上的超临界吸附等温线。

We theoretically study the spin-polarized electron transport properties for quantum waveguide systems with attached stubs in the presence of Rashba spin-orbit coupling by the lattice Green function approach.

理论上研究了含stubs的Rashba自旋轨道耦合(spin-orbit coupling，简记SOC)量子波导系统的自旋极化输运性质。

The Si/Al ratio of NaY molecular sieve was determined by an empirical formula of lattice constant obtained by extension function method of X-ray diffraction and framework Si/Al ratio of NaY molecular sieve determined by solid nuclear magnetic resonant spectrum method.

前言晶胞参数是决定晶体结构的重要参数之一，Na Y超稳分子筛属立方晶系，由于 Na Y超稳分子筛骨架硅铝比受许多条件的影响，如投料比、晶化温度、晶化压力和晶化时间等。通过研究发现分子筛骨架的硅铝比与其晶胞参数相关，而分子筛的硅铝比可作为合成分子筛产品质量的控制指标 [1] 。

After installation of the lattice girder supporting structure the bottom chord structure should be assembled.

格状基架支撑结构安装完成之后，进行底部结构组装。

After the spacer blocks have been placed, the lattice girder substructure is assembled at ground level to frames and then placed on the supporting points.

当垫块已放置好，在地面把格状基架基础结构组装到框架上然后放置于支撑点上。

Directed against stress properties of lining structure of loess highway tunnel, the paper selects three loess highway tunnels as relying engineering according to buried depth and soil properties, and takes field observation synthetically for the first time, which pays more attention to researches on the change regulations of pressure acting on first lining and invert, axial force of lattice girder, contact stress between first and second lining, concrete strain of second lining verse the time and distributions in different positions.

针对黄土公路隧道衬砌结构受力特性，根据埋深和土质情况，选取三座黄土公路隧道为依托工程，首次开展了大规模系统的现场测试，着重研究了一衬和仰拱围岩压力、格栅拱钢筋轴力、一衬和二衬接触应力以及二衬混凝土应变时间变化规律及分布特性。

The observation results reveal the difference between surrounding rock pressures of shallow tunnel calculated by exiting methods and test results is large, pressure figure seems cat ear, surrounding rock pressure of deep tunnel belongs to clastic pressure, the test result is consistent with result by modified KAKE formula, the invert stress properties of shallow tunnel and deep tunnel are different, the axial force of lattice girder is at pressure in majority, and the stress of second lining is relatively small in loess highway tunnel.

实测结果表明：现有浅埋隧道围岩压力公式计算结果与实测结果偏差较大，其分布呈"猫耳朵"形状；深埋隧道围岩压力属形变压力，其实测值与修正卡柯公式计算结果较为一致；深埋与浅埋隧道中仰拱的受力性态有所不同；格栅拱钢筋轴力以受压为主；黄土公路隧道二次衬砌受力相对较小。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。