查询词典 Laue

The Laue detector is a new type of fluorescence XAFS detector, which has advantages of good energy resolution, high counting rate and big acceptance area.

劳埃型荧光X射线吸收精细结构探测器是一种新型的探测器，它具有能量分辨好、计数率高和接收面积较大等优点，对于高光通量场合的痕量元素XAFS实验具有很高的灵敏度，有很好的应用前景。

The typical size of this structure is 10-15mm in length and 80-120μm in diameter and 20-25μm in wall thickness. Transmission X-ray Laue photographs of the samples revealed its single crystal nature. Studies indicated that the grown temperature and pH value of reaction system were the critical factors in the formation for this tubular structure.

典型尺寸：长为10—15mm，内径为80—120μm，壁厚为20—25μm；透射X射线劳厄照相显示了所生长的Ag〓Se晶体具有单晶特性；研究表明生长温度和体系的pH值是决定管状结构形成的关键因素。

The real orientations of specimens were detemined by the Laue back-reflection method,The results indicated that the tensile strength and the stress rupture life at the temperature 700℃ were affected strongly by the orientation, however there appears no considerable effect on those properties at 950℃.

用背反射劳埃法测定了试样拉伸轴偏离柱晶凝固方向〈100〉的真实偏角。结果表明，在700℃，瞬拉强度及持久寿命有明显取向关系。在偏角20°之内，上述性能急剧下降；而在950℃，尚未发现明显取向关系。上述取向关系用Schmid规律和交滑移强化机理得到合理解释。

The article introduced the measuring technique of the grain size of ceramic alpha alumina, including electronic microscope, Laue X-ray diffraction, nitrogen absorption specific surface area, infrared spectra and grinding method.

本文介绍了电子显微镜、X射线衍射、氮吸附小比表面法、红外光谱结构分析、研磨法等用于陶瓷氧化铝晶粒度测定的情况，通过对比，指出了电子显微镜能够真实地反映微观世界，是多种分析方法的基

Microscopic characteristics of cladded crystal fiber are analyzed by X-ray diffraction, Laue X-ray diffraction and scanning electron microscopy, it is found that magnesium-ion indiffusion does not affect the single crystal structure and the domain structure of the magnesium diffused crystal fiber. It is found for the first time that MgO-rich layer in the magnesium diffused LiNbO〓 surface layer exhibits the crystal structure of an unknown compound from the Li-Mg-Nb-O ternary system and MgNb〓O〓. It is proposed for the first time that this unknown compound and MgNb〓O〓 in MgO-rich layer are the real sources of magnesium-ion indiffusion LiNbO〓. Their appearance indicate that MgNb〓O〓 is in the surface layer of MgO-rich layer, the unknown compound is in the subsurface layer and beneath where the MgNb〓O〓 is located, and these compounds have obviously preferred orientation.

通过镁离子内扩散法，首次在国内实现了具有阶跃和抛物折射率分布的c轴LiNbO〓单晶光纤和a轴Nd：MgO：LiNbO〓单晶光纤的芯—包层波导结构，为我国在该项目的研究填补了空白；建立了晶纤损耗的测量系统，提出了利用单模石英光纤作为晶纤入射光耦合器的思想；通过对晶纤损耗的测量，得到了包层晶纤比未包层晶纤损耗降低约14倍的好结果，并实现了低次模传输：对经镁离子内扩散实现包层后的晶纤的微观特性，利用X射线衍射，劳厄照相和扫描电镜表征发现，晶纤并不因镁离子的内扩散而影响其单晶结构和镁的扩散层畴的变化。

Using a systematic approach and the concept of ＂pure HOLZ case＂ for electron diffraction,the convergence of the conventional multislice methodand the second-order multislice methodfor calculating higher-order Laue zoneeffects was studied.

高能入射电子与样品的体周期较长，或当晶体较大地偏离带轴时，HOLZ衍交互作用是一个复杂的电子弹性和非弹性散射过射束都会有较大的强度，此时，HOLZ衍射不能忽程。

The lattice distortion and the lattice parameters′change regularity in second phase particle MgAl〓O〓 were demonstrated by means of the calculation of intersection distances of high-order Laue zone lines in center disk of CBED pattern.

通过计算中心盘HOLZ线相对距离，研究了第二相颗粒MgAl〓O〓晶格畸变和晶格常数变化规律。

The α-BaB〓O〓 crystal is colorless, transparent and without cracking. The cracking problem has been overcome by a special growth procedure. The dislocation density, crystallization morphology and growth habit of α-BaB〓O〓 crystal have been systematically studied by chemical etching method, X-ray laue orientation of synchrotron radiation, double-crystal diffraction topography. The growth striation and irregular dislocation consist of the primary defect in α-BaB〓O〓 crystal. The convex solid-liquid interface is stable during the whole growth process.

在国际上首次采用提拉法生长出φ50×40mm〓的α-BaB〓O〓晶体，生长方向为[0001]，晶体完整、无色透明；提出了三种固相反应的原料制备方法，并保证B〓O〓过量1mol%；采用独特的生长装置和程序有效地解决了α-BaB〓O〓晶体易开裂的问题；首先采用化学腐蚀法、白光X射线衍射术、X射线双晶衍射形貌术等研究了α-BaB〓O〓晶体的位错密度；首次采用同步辐射X射线劳埃定向术研究了α-BaB〓O〓晶体的结晶形态及生长习性；结果发现α-BaB〓O〓晶体的缺陷以位错为主，部分α-BaB〓O〓晶体中存在生长条纹。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。