查询词典 X-ray diffraction

The obtained white powder sample was characterized by X-ray diffraction, infrared spectrum and transmission electro-microscope.

用X射线衍射、红外光谱和透射电镜对纳米复合物的组成和结构进行了研究。

The cellulose was pretreated by ultrasonic. The changes of structure were characterized by scanning electron microscope,X-ray diffraction,and infrared spectrum.

用超声波预处理纤维素，并利用电子显微镜、X射线衍射和红外光谱对纤维素预处理前后的结构变化进行表征。

The nanocrystals were characterized by infrared spectrum,X-ray diffraction and scanning electron microscope,which were used to characterized their structure,composition and morphology.

采用红外光谱、X射线衍射、扫描电镜表征其结构、组成及形貌，并对其电致发光特性进行表征。

The structural properties of V_2O_5 doped WO_3 thin films were analyzed by using X-ray diffraction and Raman spectrum.

利用X-射线衍射、喇曼光谱等分析手段，研究了V_2O_5掺杂的WO_3 靶材及不同条件下沉积样品的结构特性，实验结果表明：氧分压和沉积温度是决定薄膜结构和成份的主要参数。

The complexes have been characterized by IR spectrum , UV spectrum and X-ray diffraction.

铜的氨基酸配合物具有催化超氧阴离子自由基O_2~

The occurrence of grafting copolymerization reaction is testified by analytical means such as infrared spectrum, X-ray diffraction and SEM.

以过硫酸铵为引发剂，合成了酸解氧化淀粉接枝丙烯酰胺共聚物并进行了表征。

An optical microscope, atomic force microscope, scanning electron microscope, high resolution double crystal X-ray diffraction, and Raman shift spectrum are used to analyze the sample.

采用光学显微镜、原子力显微镜、扫描电子显微镜、高分辨率双晶X射线衍射和喇曼谱测试对薄膜进行分析。

By means of modern analysis and testing tools such as X-ray diffraction and flurescence spectrum research the crystal constitution and luminescence performance of materials.

结合X射线衍射仪、荧光分光光度计等现代分析测试手段，研究了其晶体结构和发光性能。

Characterization of cotton fiber using solid-state ~(13)C-CP/MAS NMR spectroscopy shows that the crystallinity after MHT is lower than the original sample,but the cotton after MHT has a higher lateral orientation index,which has a good definition in C2,3,5 resonance region.~(13)C-CP/MAS NMR spectroscopy and X-ray diffraction reveal that cellulose I_βis the main cellulose in cotton,and microwave change the allomorphs content.

通过核磁共振碳谱表征分析可知，微波处理之后的结晶度要小于原样，但是由于微波处理之后的棉纤维有相当高的侧向有序指数，其在C2，3，5共振区域有更好的清晰度。X衍射和核磁共振均表明棉纤维是以纤维素I_β为主，微波处理改变了纤维素的晶型，晶型含量I_α和I_β均降低，但是比例基本保持不变，微波处理之后向次晶转化。

A chiral phase transfer catalyst, N-benzyl quinine bromide, was synthesized from natural chiral compound. And 2,5-bimethyl-4-(3-nitrobenzene)-1,4-bihydrogenation pyridine-3--4-methyl formate (viz. nitrendipine) was synthesized by this chiral phase transfer catalysis, and characterized by elemental analysis, infrared spectrum,1H nuclear magnetic resornace, and X-ray single-crystal diffraction.Key words: ammonium; chiral phase transfer catalyser; crystal structure

通过对天然手性物质进行修饰合成手性相转移催化剂N-苄基溴化奎宁，并对目标分子2，5-二甲基-4-(3-硝基苯)-1，4-二氢吡啶-3-甲酸乙酯-5-甲酸甲酯进行不对称催化合成，并通过红外光谱和核磁共振氢谱对化合物进行了表征，用X射线单晶衍射法测定了该化合物的晶体结构。

What was it that made you want to change sider ?

是什么使你临阵倒戈？

I don't know what he wants, but let's play along with him.

我不知道他要干什么，可我