衍射线

The gemological characteristics of lemon-yellow serpentine jade are studied by the conventional gemology instrument and the polarizing microscope; the Fourier transform infrared spectroscopy, ultraviolet-visible light absorption spectra, X-ray power diffraction and electron probe quantitative analysis have also been used to study the lemon-yellow serpentine jade.

通过常规的宝石学仪器和偏光显微镜来研究柠檬黄色的蛇纹石玉的宝石学性质，进一步用Fourier变换红外光谱、紫外－可见吸收光谱、X射线粉晶衍射和电子探针定量分析对柠檬黄色的蛇纹石玉进行研究，结果表明：这种柠檬黄色的蛇纹石玉主要成分为利蛇纹石，含有少量的纤蛇纹石、水镁石、橄榄石、菱镁矿等。

Geological features of phosphorates associated with cobalt_rich crusts on northwestern Pacific submarine guyots were studied systematically.

中文摘要：为了更好地认识大洋富钴结壳的成矿作用，作者对与其伴生的海山磷酸盐的产状、化学成分、种类及X射线衍射特征等进行了研究。

The effects of La-Pr-Ce mischmetal on the microstructure and mechanical properties of the testing cast Mg-7Li-1Al alloys have been investigated by means of mechanical property measurement,optical microscopy,scanning electron microscopy and X-ray diffractometer.Influence of the aging treatment on microstructure and mechanical properties of the test Mg-7Li-1Al-xLPC alloys have-been studied.Similarly,heat treatment strengthening mechanism of cast Mg-7Li-1Al-xLPC alloy and strengthening mechanism of La-Pr-Ce mischmetal cast Mg-7Li-1Al has also been discussed in depth.

通过进行力学性能测试试验，并采用光学显微镜、扫描电镜、X射线衍射仪等现代材料分析测试手段，研究镧镨铈混合稀土对Mg-7Li-1Al合金组织和性能的影响；分析时效处理对Mg-7Li-1Al-xLPC合金组织和力学性能的影响程度；并且探讨了镧镨铈混合稀土对Mg-7Li-1Al合金以及时效处理对Mg-7Li-1Al-xLPC的强化机理。

The oxidation resistance of three kinds of Fe-Cr based heat-resisting steel at 1250℃ was analyzed and studied using XRD, SEM and EDS techniques.

采用X射线衍射、扫描电镜及能谱分析等方法对三种Fe-Cr基耐热钢在1250℃的抗氧化性能进行了分析和研究。

High-resolved X-ray diffraction measurements show that the crystal quality of high aluminum mole fraction(x=0.1) is poor and it may cause a large dark current. The window layer acts as a band-choice role. It induces a high responsivity and a wide response band for a higher aluminum mole fraction.

高分辨率X射线衍射仪对材料的测试结果表明，高铝组分(0.1)窗口层薄膜材料的晶体质量较差，导致暗电流增大，而其窗口层的窗口选择作用则可以得到较高的响应率和较宽的响应波段。

Low-sulphur Yanzhou coal and high-sulphur Changguang coal were selected as experimental coals, experiments of formation of Q phase in the process of cement clinker cogeneration were performed on two-stage polyphase reaction setup.

选取低硫兖州煤和高硫长广煤为实验煤种，在两段多相反应实验台上进行联产水泥熟料过程Q相矿物的生成实验，对所得熟料进行矿物组成X射线衍射分析，结果表明低硫兖州煤和高硫长广煤联产水泥熟料，当混合煤粉中添加适量的CaO、MgO时，联产熟料中有Q相矿物的生成，联产过程中Q相矿物的生成机制与单矿物2CaO。

In this thesis, previous works on crystal structures and micro-structures of hydrogen storage alloys and their hydrides have been intensively reviewed.

本文首先全面地综述了国内外在储氢合金的结构和微结构方面的研究进展情况，并在此基础上确定以AB_5型储氢合金及其氢化物的X射线衍射微结构作为研究方向。

The calcined Mg-Al layered double hydroxides for removal of NO2(superscript -) from aqueous solution was investigated.

通过静态吸附实验，研究了焙烧层状氢氧化镁铝对水溶液中NO2的吸附脱除性能，并用粉末X射线衍射对Mg-Al CLDH吸附前后的结构进行了表征。

At last a single crystal of the ν-AlCrFe phase was found and the structure was determined by the combination of direct methods and high resolution electron microscopy. The structure contains a large quantity of slightly distorted icosahedra and the connection among them was analyzed.

利用单晶X射线衍射技术，结合高分辨电子显微学的研究结果，最终测定了ν-AlCrFe相的晶体结构，并对其中的二十面体的连接情况进行了分析。

In sputtered Ni/Al and Ni/Cr multilayers,X-ray diffractionindicatesan expansion of the Ni lattices along the growth direction, which results instress in the multilayers.

在溅射制备的一系列Ni/Al和Ni/Cr多层膜中，X-射线衍射表明Ni层晶格在沿其膜面发向上与体材料相比存在轻微的膨胀，这导致了在沿其膜面发向上存在张应力。

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。