查询词典 x ray diffraction

The platform of diffraction data collection and analysis for protein crystalAccording to the characteristics of Hefei Light Source,based on the XRDS Station in NSRL at USTC,the experiment platform was set up for measuring sulfur anomalous scattering signal with long-wavelength X-ray.

蛋白质晶体衍射数据采集及数据分析的平台根据合肥光源的特点，依托中国科学技术大学国家同步辐射实验室X射线衍射与散射实验站，搭建了适于测量硫元素反常散射信号的长波长X射线衍射实验平台。

Introducing the Darwin's method of treating x-ray diffraction in crystals into Bragg diffraction for multilayer structure, a series of analytical expressions are obtained, which can be used to calculate the reflectivity, the Darwin's width, the minimum number of periods and the energy resolution.

将晶体动力学衍射的Darwin理论运用到多层膜对称Bragg反射中，给出了一系列解析表达式，可计算强度比、反射线角宽度、最小周期数及能量分辨率等。

Diffraction peak of X-ray diffraction at 26°indicate that the sample is characterized as graphitization.

XRD图谱中，26°处的衍射峰表明该试样具有较高的石墨化特征。

The HPW/M-SiO2 catalyst is characterized by means of infrared-ray spectrum, X-ray diffraction and n-C4H9NH2 Potentiometric titration. The effects of amount of the catalyst, molar ratio of acid and alcohol, reaction temperature and reaction time on synthesis of methyl mandelate have been investigated.

运用IR， XRD和n-C4H9NH2电位滴定法测试技术表征HPW/M-SiO2催化剂，考察了催化剂用量、物料配比、反应温度和反应时间等对扁桃酸甲酯合成的影响。

About magnetocaloric effects in Gd_(1-xTb_xCo2: The structures and magnetocaloric effects of Gd_(1-xTb_xCo_2 (x=0, 0.2, 0.4, 0.5, 0.6, 0.7, 0.8, and 1) pseudobinary compounds were investigated by X-ray powder diffraction and magnetic properties measurement.

在化合物的磁热效应研究方面，利用振动样品磁强计对Gd_(1-xTb_xCo_2(x=0，0.2，0.4，0.5，0.6，0.7，0.8和1)几个合金进行了磁性测量。

The main results are summarized as follows: X-ray powder diffraction investigation of the Pr5Si_4-xGex pseudobinary system reveals that three structurally distinct phase regions exist in the system at ambient temperature.

经1273K退后一周后，该体系只存在两个单相区：Zr_5Si_4结构的Pr_5Si_4基固溶体(0≤x≤2.8)；正交Sm_5Ge_4结构的Pr_5Ge_4基固溶体(3.0≤x≤4.0)；室温存在的单斜Gd_5Si_2Ge_2型金属间化合物相区则完全转变为高温的四方相相区。

A functionalized superparamagnetic iron oxide nanoparticles were synthesized by reduction-precipitation method, and were modified by silicane coupling agent. The nanoparticles were evaluated by diffraction, scanning electron microscope and X-ray energy spectrometer.

用部分还原－共沉淀法制备了四氧化三铁Fe3O4纳米材料，用硅烷偶联剂进行了表面修饰，用扫描电镜，X-射线粉晶衍射，磁强计，X射线能谱仪等分析仪器对材料的相关性能进行了测定。

The bioactivity of titania coatings before and after modification were investigated by simulated body fluidtests in vitro.X-ray diffraction,Scanning electron microscope,Fourier transform infrared spectroscope and Energy diffraction spectroscope were used to investigate the microstr...

结果表明：氧化钛涂层和钛合金基体的结合强度较高，其值高达40MPa，涂层的耐模拟体液腐蚀性优于钛合金。酸和碱溶液表面改性后的氧化钛涂层经模拟体液浸泡可在其表面生成含有碳酸根的羟基磷灰石，显示良好的生物活性。

Some micro-examination methods, such as scanning electron microscopy and Energy Dispersive X-ray spectrum and X-ray diffraction, were used to analyze the friction and wear mechanism of two TiAlN coatings.

但随着应用的深入，TiN涂层在性能方面表现出的不足，如与基体的结合力较弱、脆性大、易剥落，特别是在高温性能方面存在的缺陷，限制了它的进一步发展。

The α-BaB〓O〓 crystal is colorless, transparent and without cracking. The cracking problem has been overcome by a special growth procedure. The dislocation density, crystallization morphology and growth habit of α-BaB〓O〓 crystal have been systematically studied by chemical etching method, X-ray laue orientation of synchrotron radiation, double-crystal diffraction topography. The growth striation and irregular dislocation consist of the primary defect in α-BaB〓O〓 crystal. The convex solid-liquid interface is stable during the whole growth process.

在国际上首次采用提拉法生长出φ50×40mm〓的α-BaB〓O〓晶体，生长方向为[0001]，晶体完整、无色透明；提出了三种固相反应的原料制备方法，并保证B〓O〓过量1mol%；采用独特的生长装置和程序有效地解决了α-BaB〓O〓晶体易开裂的问题；首先采用化学腐蚀法、白光X射线衍射术、X射线双晶衍射形貌术等研究了α-BaB〓O〓晶体的位错密度；首次采用同步辐射X射线劳埃定向术研究了α-BaB〓O〓晶体的结晶形态及生长习性；结果发现α-BaB〓O〓晶体的缺陷以位错为主，部分α-BaB〓O〓晶体中存在生长条纹。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。