衍射线

The algorithm is based on the tensor expression of the second-order nondegenerate perturbation formulae of Bloch wave method of many-beam dynamically diffraction theory.

这些数据以被收录到新版《X-射线国际晶体学表》的C卷中。完善了高能电子衍射的非简并微扰理论的张量表述。

While electrode performance of these materials was deter mined by the simulated battery test. Based on these results, the effects of the mechanical alloying, the composition with AB5 hydrog en st orage alloys and electroless plating on the electrode capacity of Mg2Ni hydrogen storage alloys were discussed.

利用X射线衍射、扫描电镜分析了经过处理的材料的微观结构，并用模拟电池法测定了该材料的电极性能，并讨论了化学镀和与AB5型储氢合金复合等因素对Mg2Ni合金电极特性的影响。

Scanning electron microscopy,transmission electron microscopy,circular dichroism and small-angle X-ray diffraction were used to analyze the aggregation mode of CSG in the organogel phase.A hierarchical self-assembly model was proposed to explain the transition from molecular to primary and secondary structure.It is shown from our results that CSG can aggregate into a micellar fibril nanostructure with high length-to-width ratio which is bundled and entangled to form a three-dimensional(3D) network that immobilize the fluid component probably by surface tension.Moreover,sol-gel polymerization of tetraethoxysilane was carried out using CSG in the gel phase.

通过扫描电镜(ScanningElectron Microscopy，SEM)、透射电镜(Transmission Electron Microscopy，TEM)、圆二色谱(Circular Dichroism，CD)和小角X—射线衍射仪(Small-angle X-rayDiffraction，SAXRD)考察CSG分子自组装行为结果表明，CSG形成的聚集体具有多级结构：首先CSG通过手性堆叠自组装形成直径在9—10nm的细纳米纤维，这些细的纳米纤维再以不规则的六方堆积的方式进行排列，构成直径在40—100nm的粗纳米纤维(即细纳米纤维的&捆束&)，最后粗纳米纤维互相粘连形成三维网络状结构，使有机溶剂&固定&，从而形成凝胶；以CSG有机凝胶为模板，四乙氧基硅烷为前体，通过溶胶—凝胶聚合的方法制备了直径大约为100nm的二氧化硅纳米管。3。

The spectroscopic analysis, TGA and X-ray diffraction showed that the organic reagent had intercalated into the layers of MMT, and the interlayer space of the organophilic montmorillonite modified by compound surfactants was larger than that of the CTAB modified organophilic montmorillonite.

红外光谱分析、热重分析和X-射线衍射分析表明，有机插层剂已进入蒙脱土的层间，CTAB/己内酰胺复合插层有机蒙脱土的层间距大于单阳离子CTAB插层有机蒙脱土的层间距。

The epoxy resin/diethylenetriamine/montmorillonite nanocomposites were prepared by casting and curing processes and the intercalation behavior of epoxy resin in the organophilic montmorillonite was investigated by XRD and DMTA methods.

采用浇模固化成型法制备了环氧树脂／二亚乙基三胺／蒙脱土纳米复合材料，并用X射线衍射、动态力学热分析法等手段研究了环氧树脂在有机蒙脱土中的插层行为。

The flame retardant PP-g-MAH/OMMT nanocomposite master batch was prepared with maleic anhydride grafted polypropylene and organophilic montmorillonite by melt intercalation. The master batch was characterized by means of XRD and TGA. Flame retardant PP with high flame retardancy and mechanical properties was prepared with PP-g-MAH/OMMT master batch and magnesium sulfate whisker.

以聚丙烯接枝马来酸酐和有机蒙脱土为原料，通过熔融插层制备了PP-g-MAH/OMMT纳米复合阻燃母料，利用X射线衍射及热失重分析对其进行了表征，并将其与碱式硫酸镁晶须复配，制备了阻燃性能及力学性能优良的阻燃PP。

The X-ray crystal structure of One of these organotin complexes was determined employing X-ray crystallography.

并利用X-射线四圆衍射确证了其中一个配合物的晶体结构，为更深一步的研究其构效关系及该类化合物在体内的作用机制奠定了一定的基础。

Single-crystalline cerium orthovanadate (CeVO4) nanorods are synthesized successfully by Na2EDTA-assisted hydrothermal method. The products are characterized using X-ray diffraction, transmission electron microscopy, high-resolution transmission electron microscopy and superconducting quantum interference device.

以Na2EDTA为模板导向剂，利用水热法成功合成了单晶CeVO4纳米棒，使用X射线衍射仪、透射电镜、高分辨透射电镜和超导量子磁强计等对产物的结构和磁学性能进行了表征。

Ever since the first proposal of the presence of β\|Fe in 1885 by Osmond, a great debate on the cause of quench hardening of steels was going on until 1922 when Westgren and Phragmén disproved the presence of β\|Fe by high temperature X\|ray diffraction analysis.

自从Osmond在 1885年首次提出β Fe以为，直到 192 2年Westgren和Phragm啨n用高温X射线衍射证明β Fe与α Fe有相同的体心立方结构为止，在很长时间内，冶金学家一直为钢为什么在淬火后变硬而争论不休。

The microstructure evolution and composition distribution of the 7A55 cast and homogenized alloy were studied by optical microscopy, scanning electron microcopy, energy dispersive spectrometer, transmission electron microscopy and X-ray diffractometry. The homogenizing and overburnt temperatures of the alloy were determined. Meanwhile, the diffusion kinetics of the alloy elements during homogenizing treatment was investigated and the homogenizing kinetic equation was deduced according to Fick's First Law of diffusion. The diffusion of alloy elements, precipitation of Al3Zr particles and the conglomeration and globe of the insoluble phases were explained by the equation during homogenization.

摘 要：采用光学显微镜、扫描电镜、能谱分析、透射电镜和X射线衍射分析等研究了7A55合金铸态与均匀化显微组织演化与成分分布，确定了该合金的均匀化处理温度与过烧温度，研究了铸锭均匀化动力学过程，利用菲克定理导出了均匀化动力学方程，利用动力学方程对均匀化过程中合金元素的扩散、 Al3Zr的析出、难熔相的聚集和球化现象进行了解释。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。