查询词典 Bragg diffraction

Bis(1,2,3,4-tetrahydroisoquinoline-2-ylmethyl) HBr salt (K2) guest has been synthesized from 1,2,3,4- tetrahydroisoquinoline and ethylenedibromide. The self-assembly interaction models of cucurbit[8]uril (Q[8]) with this synthetic guest have been investigated by using 1H NMR technique, single crystal X-ray diffraction determination and theoretic calculation method.

以用1，2，3，4-四氢喹啉和二溴乙烷合成的二(2-亚甲基-1，2，3，4-四氢异喹啉)的溴化氢酸盐为客体，八元瓜环为主体，利用1H NMR技术，单晶X射线衍射方法以及理论计算等方法，考察了两者的自组装模式。

Cobalt (100) face of hexagonal system parallels example surface and the intensity of diffraction peaks increased obviously. Finally the possibility of codeposition of PTFE and cupper or other metal alloys was initially researched.

最后，初步探索了PTFE与Cu或二元合金共沉积的可能性，试验结果显示，它们均可形成PTFE和金属的复合镀层，与无PTFE的金属合金层对比后发现，各复合镀层摩擦学性能都有所提高。

The obtained sodium cyanate′s purity was analyzed through gravimetric analysis and the characterization was made by X-ray diffraction.

用重量法分析了所得氰酸钠的纯度，并用X射线衍射对其结构进行了表征。

The components of products were analyzed by FTIR and the structure and morphology were characterized by X-ray diffraction and field emission scanning electron microscopy, respectively. The electrochemical performances were investigated by cyclic voltammetry and constant current charge/discharge techniques.

用红外光谱对所制样品的组分进行分析，用X射线衍射和场发射扫描电子显微镜表征产物的结构和形貌，用循环伏安和恒电流充放电等测试方法对其电化学性能进行研究。

Performance of the cathode material and cells were investigated and characterized by X-ray diffraction, cyclic voltammetry and constant current experiments.

将制得的复合材料作正极，锂片作负极，组装成扣式锂二次电池。比较了反应过程中酸处理、反应温度、反应时间等因素对δ-MnO2晶体有机改性的影响。

We conducted a series of experiments to research on electrode materials, electrolytes, preparation and assemble techniques and other related techniques with the aids of the measure methods such as cyclic voltammetric measurements, constant charge/discharge measurements, X-rays diffraction, transmission electronic microscope measurements, IR and so on.

我们采用了循环伏安、恒流充放电、X射线衍射、透射电子显微镜、差热、红外光谱等实验方法和测试手段对超大容量电容器的电极物质的制备、电解质溶液的选取、正负极之间的搭配、组装技术的优化等问题展开了一系列研究。

And the structure and appearance of MnO2 were characterized using various techniques such as chemical analysis, scanning electron microscopy and X-ray diffraction, and the electrochemical performance of MnO2 was discussed using kinds of measurements such as cyclic voltammetry, constant charging/discharging and local action testing method.

采用化学分析、扫描电镜、X射线衍射等实验手段分析二氧化锰的组织结构和形貌，采用循环伏安、恒流充放电及自放电等测试方法分析二氧化锰的电化学性能。

And the coupling efficiencies of the cylindrical mirror and the spherical mirror are studied and compared with diffraction theory.

应用衍射理论详细推导了柱面反射镜和球面反射镜对方形波导激光器的耦合效率。

It is suggested that for the diffraction efficiency optimization of the holographic grating recorded by plane and cylindrical waves the recording cylindrical wave and the geometrical dimension of the grating should be carefully designed according to the request.

在平面波与柱面波干涉形成全息透镜的设计中，为了获得最优的衍射效率，应当根据要求合理地选择记录所用柱面波和设计光栅的几何尺寸。

The morphology, occurrence and components of dawsonite were described, and the paragenetic sequence of sandstone and origin of CO2 forming dawsonite were investigated by polarization microscope, scanning electron microscope, Xray diffraction and MAT251 stable isotope mass spectrometer.

利用偏光显微镜、扫描电镜、X射线衍射分析仪和MAT251稳定同位素质谱仪，详细描述了片钠铝石的形貌、产状和成分，确定了含片钠铝石砂岩的成岩共生序列和形成片钠铝石的CO2的成因。

Continuously improve the production mechanism, to provide customers with better quality products and services.

不断的完善生产机制，给客户提供更优质的产品及服务。

B:Yes, he was the very prize-winner in the court tennis ten years ago?

是的，他是十年前的世界网球冠军。