查询词典 x ray diffraction

Ethylene-Propylene copolymers and mixtures with long E-P sequence structures were investigated using WAXD and PLM methods. As the content of Cs reached more than 30 mol %, the (140),(130) crystal planes appear at 2θ= 20 in X-ray diffraction patterns of me-Itcrystallized samples.

用广角X-射线衍射和偏光显微镜方法，研究了具有乙丙长序列乙丙共聚物及其共混物，发现通过熔融慢冷结晶样品，C3含量在30mol％以上，衍射角2θ=20°处出现了属于γ-PP晶型的(140)，(130)晶面衍射。

X ray diffraction method has been used to study the crystallinity of wheat starch granules with different water content.

应用X射线衍射方法对不同水分含量的小麦淀粉颗粒的结晶度进行了研究。

The surface morphology and crystallinity of the specimens were characterized by means of scanning electron microscopy and X-ray diffraction.

利用扫描电子显微镜和X射线衍射分别对样品形貌及其晶型进行了表征。

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。

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。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。