查询词典 X-ray diffraction

The progress of research and application on determination crystallinity of starch granular by X-ray diffraction was introduced.

详述了国内外有关X射线衍射测定淀粉颗粒结晶度方法的研究进展以及应用。

X-ray diffraction, scanning electron microscopy and energy disperse spectrometry were used to characterize the crystalloid structure, topography and component of non-coated and coated glass microspheres.

采用X射线衍射仪、扫描电镜和能谱仪对化学镀前后玻璃微球的结构、表面形貌以及成分进行了分析。

The structures of derivatives 3, 4 and 7 were determined by X-ray diffraction measurements7 of single crystals.

衍生物的结构 3 ，第4和7 ，测定了X -射线衍射 measurements7的单晶。

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。

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。

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。

Optical microscope, scanning electron microscope and X-ray diffraction analysis have revealed that dawsonite mainly occur in the feldspar-rich sandstone and pyroclastic rocks, either as cements filling inter-grain pores as radical, bunchy, rosette, intricately trichoid, and platy collectives, or as replacement of feldspar and lithic grains with bunchy and paty shapes.

片钠铝石主要发育在油气储层或CO2气储层中富含长石的砂岩和火山碎屑岩中。在含片钠铝石砂岩和火山碎屑岩中，片钠铝石以放射状、束状、杂乱毛发状、球状和板状等集合体充填孔隙，或呈束状和板状交代长石和岩屑。片钠铝石及其共生的铁白云石都是最晚形成的自生矿物组合。

These phosphors were characterized by X-ray diffraction, photoluminescence spectra, afterglow spectra, afterglow decay curve and thermoluminescence spectra.

在铕掺杂的卤氧化钇体系YOX中虽然没有发现长余辉现象，但得到该体系中Eu~(2+)的价态稳定和转换的新现象。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。