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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。

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 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。

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。

Their proper- ties have been investigated by means of IR spectrum, stability and molar conductance, thermogravimetric and differential thermal analysis and X-ray diffraction.

通过元素分析、摩尔电导、红外、差热-热重和X射线粉末衍射等分析该段研究了它们的有关性质，得到了一些新结果。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。