diffraction ring

ED analysis also showed that nanoparticles were highly-crystallized multi-crystals, with continuous and clear diffraction ring at surface such as ( 0004), ( 0110) and ( 0112) in conformance with XRD analysis results.

基本无杂质，较纯净；ED分析还表明纳米颗粒为多晶，晶化程度好，（0004）、（0110）、（0112）等晶面的衍射环连续、清晰，与XRD的分析结果一致。

The influence of random position error of zones, width error of zones, interdiffusion and roughness on the efficiency and resolution of X-ray zone plates ( ZP) is analyzed by adding the analytic expression of the diffraction field of every ring.

利用叠加所有圆环的解析近似衍射场的方法来计算和分析随机环带位置误差、宽度误差、扩散和粗糙度对X射线波带片的效率和分辨率的影响。

We synthesized this class of catalysts through construction of ferrocene monomer, coupling reaction, hydrolysis and ring closure, and relative configuration of catalysts were assigned by X-ray diffraction of ( S, Rp)-la.

我们通过二茂铁单体的构建、偶联、水解和关环反应高效地合成了该类催化剂，且最终产物（S，Rp）-1a通过X-ray单晶衍射确定了其相对构型。

Numerical study on modulation diffraction ring in linear medium

线性介质中衍射调制环的数值研究

Lewis acid catalyzed acetylation of steroidal sapogenin was reinvestigated, and the previous assigned structures A, B and C of E/ F ring opening products were rectified as 1, 2 and 3 according to X ray diffraction analysis.

重新研究了Lewis酸催化的甾体皂甙元E/F螺环乙酰化开环反应，并通过波谱分析和单晶X衍射修正了原指定结构。