查询词典 x ray diffraction

In this model, the Fresnel integral was performed in the spatial frequency domain, and the X-ray diffraction field was calculated by means of the fast Fourier transform.

该模型将Fresnel积分运算转换到空间频域，利用快速傅里叶变换计算衍射光场。

The grazing incidence X-ray diffraction further proves that it is entirely a wurtzite AlN structure, and the average size of the crystallite grains is about l2 nm, which is near the ZnO nanorod diameter (30 nm).

而GIXRD测试进一步证实它是纤锌矿结构的AIN，晶粒尺度约为12 nm，接近于ZnO纳米棒的直径(30 nm)。

Complexes 4 and 7 were additionally characterized by a single-crystal X-ray diffraction study. These results further certify the heteroatom coordination promoted homolytic reaction of the Ln-N bond.

通过上述实验结果进一步证实了经过杂环氧原子的配位，能促使Ln-N键均裂，得到Ln化合物，进一步拓展了这种合成二价镧系有机化合物的新方法。

In this paper, with 2-oxo-propionic acid salicyloyl hydrazone as a ligand, one calcium complex, three copper complexes and thirteen rare earth(RE=La, Ce, Pr, Nd, Sm, Eu. Gd, Tb, Dy, Er, Tin, Yb and Lu) complexes have been synthesized. The crystals of four complexes were obtained, and the crystal structures were determined by single crystal X ray diffraction. One of the crystals is calcium complex, the other are binary and trinary complexes of copper.

本文选用2-羰基丙酸水杨酰腙作为配体，在水中分别与钙、铜、稀土(RE=La、Ce、Pr、Nd、Sm、Eu、Gd、Tb、Dy、Er、Tm、Yb和Lu)的盐反应，共制得了17种未见文献报道的配合物，另外还培养了2-羰基丙酸水杨酰腙、咪唑与铜、钙的二元及三元配合物的四种单晶，对La-Gd的稀土的配合物进行了溶解热的测定，并用Gauss-98软件包对铜的配合物进行了有关量化计算。

By means of scanning electron microscopy , transmission electron microscopy and X-ray diffraction techniques, microstructure of spray-deposited hypereutectic Al-Si alloy was analyzed.

本文以过共晶Al-Si合金为研究对象，在对喷射沉积合金凝固过程分析的基础上，重点研究了合金的微观组织与力学行为，讨论了后续热挤压和热处理对喷射沉积合金微观组织和力学性能的影响。

The intercalate, exfoliate and dispersing status action of montmorillonite in PET phase were investigated by X-ray diffraction, transmission electron microscope and scanning probe microscope.

利用扫描探针显微镜研究了复合材料的微观结构，首次直观地观察到层状蒙脱土在聚合物中的形态结构。

The films show large crystalline size and high orientation degree.The structure characteristics were examined with X-ray diffraction and electronic microscope as functions of the ionization current and acceleration voltage.

在单晶Si及玻璃衬底上演积的CdTe膜具有定向生长的大晶粒结构，其晶粒尺寸、取向度与离化电流、加速电压等可控实验参数之间的关系在实验结果中得到了反映。

The in-plane and out-of-plane lattice constant of Ni/GaAs (100) was determined X-ray diffraction.

在170K的生长温度下，通过分子束外延在GaAs（001）表面生长得到体心立方结构金属Ni薄膜。

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] 。

The effect of solution treatment on microstructure and mechanical properties of 7B04 aluminum alloy were studied by optical microscope,tensile test,X-ray diffraction phase analysis and refinement of lattice parameter of α matrix.

通过显微组织观察、拉伸力学性能测试、XRD衍射物相分析以及α基体点阵常数的测量等方法研究了固溶处理对7B04铝合金组织和性能的影响。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。