电子衍射

Amphoteric tapioca starch with carboxyl groups was produced via crosslinking, oxidation and etherization reactions. The product was then characterized by means of SEM, XRD and colloid titration, with the preparation mechanism being also investigated.

采用交联、氧化和醚化反应制备羧酸型两性淀粉，通过扫描电子显微镜、X射线衍射、胶体滴定等方法对该淀粉进行表征，并研究了该两性淀粉的合成机理。

Using carbon, iron, silicon, ferrochromium, ferrotitanium and nickel powder as the raw ma terials, chromium carbide/Fe-based composite coatings with an even and smooth surface were prepared by vacuum reactive braze coating, which combined with a mild steel substrate by a metallurgical bonding.

以纯铁粉、硅粉、硼铁粉、铬铁粉、胶体石墨及镍粉为原料，通过真空反应钎涂在低碳钢基体上制备了碳化铬／铁基自熔合金复合涂层，涂层表面光滑、平整且与基体为冶金结合。应用扫描电子显微镜、能谱仪、X射线衍射仪及显微硬度计，研究了涂层的组织结构、成分分布和硬度分布。

The mineral composition of typical coal combustion residues in China, including fly ash, bottom ash, slagging and fouling, were investigated by X-ray diffraction, Missbauer spectroscopy and scanning electron microscopy. According to the chemical composition, coal combustion residues can be divided into aluminosilicate, ferruginous and calcareous groups.

利用X射线衍射、穆斯堡尔谱与扫描电子显微镜等方法研究中国典型燃煤煤种的燃烧产物的矿物学特征，揭示出不同化学成分以及不同类型产物中矿物组成的差异性。

Flower-like ZnO nanorods were prepared with the hydrothermal method and characterized by X-ray diffraction and scanning electron microscopy.

利用水热法合成花状的ZnO纳米棒，并对其进行X射线衍射（X-ray diffraction， XRD与扫描电子显微镜（scanning electron microscope， SEM 表征。

Methods The properties of starch in the two different species of Fritillaria L. were compared by X-ray diffraction, scanning electron microscope and themogravimetric analysis.

方法采用X射线衍射，扫描电子显微镜以及热分析的方法对两种贝母中淀粉的性质进行了比较。

The phase structure,phase compositions,micro-structure characteristic and elements distribution of the Al203-MxOy hard-faced ceramic coating were analyzed by using large-field optical microscope and X-ray diffraction and electric probe .

通过采用大型金相显微镜、x-射线衍射仪、电子探针等设备分析了陶瓷涂层的相结构、相组成、组织特征以及陶瓷涂层中各元素的分布情况。

The study indicates that full propagation of Thiobacillus ferrooxidans in the solution is beneficial to the formation of jarosite.

利用X-射线衍射仪、扫描电子显微镜和能谱分析仪等技术对两种实验获得的黄钾铁矾进行定性分析和形貌观察。

Which one is responsible for the iridescence is not clearly until now. To understand the origin and distributed characteristics of iridescence in labradorite, microscope, XRD, EPMA, SEM, TEM, STEM and SAED have been taken in the paper.

作者在前人研究的基础上，运用偏光显微镜、电子探针、X射线衍射、扫描电镜、透射电镜等测试手段，对无晕彩拉长石和有晕彩拉长石在成分和结构上进行了详细深入的对比研究。

Some application examples on the determination of crystal orientation ,micro-texture,crystallographic orientation relationship,stress distribution,lattice parameters,phase identification and boundary nature study with EBSD have been given.

论述了电子背散射衍射的形成原理、花样包含的物理意义，并给出了EBSD在测定晶体取向、织构、取向关系、物相鉴定、应变分布、晶格常数及晶界性质研究等方面的应用实例。

The structure and magnetic properties of the sample were studied by scanning electron microscopy, X-ray diffraction and vibrating sample magnetometer.

采用扫描电子显微镜、X射线衍射仪和振动样品磁强计对样品的形貌、晶体结构和磁性进行了研究。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐