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Combined with stoichiometric method, the diene value in cracking gasoline was determined by Fourier Transform Infrared Spectroscopy at selected wavenumber region.

用傅里叶红外光谱仪，在选定的波数范围内，采用化学计量学法测量乙烯裂解汽油的二烯值。

A diffeomorphism is applied to transform the nonlinear system into a new coordinate system. The stability and robustness of the system are analysized in detail.

根据微分同胚，将含有建模误差的非线性系统变换为易于分析的规范形式，并在此基础上分析了故障诊断系统的稳定性和鲁棒性。

The nonlinear dynamic model was expressed based on the format of SISO affine nonlinear system. Then the system was represented into the standard Byres-Isidori format base on the diffeomorphism transform.

使用SISO仿射非线性系统描述了所建立的自行车机器人非线性动力学模型，利用非线性微分同胚变换将该系统化成了Byres-Isidori非线性系统的标准型形式。

Local difference transform and local difference patterns operator are here proposed.

提出了局部差分变换和局部差分模式。

We transform a linear complementary problem to a nonsmooth one based on B differentiability.

将线性互补问题转化为一非光滑问题，给出了一种简单迭代算法，并证明了该算法的收敛性

The finite volume method is used to transform the controlling differential equations into the algebra ones, and the semi-implicit method for pressure-linked equations is used to solve the pressure.

同时，采用有限体积法将控制微分方程离散为代数方程，采用SIMPLE方法求解压力。

The product was characterized by differential thermal analyzer and thermal gravimetry,Fourier transform-infrared spectrum,X-ray diffractionand transmission electron microscope.

运用差热—热重、傅立叶变换红外光谱、X射线衍射、透射电镜对生成LaCoO3的超细粉末进行了表征。

The fabrication of fibers was attempted. The copolymers, the copolymers containing MOCT and the copolymer films containing MOCT were characterized by using Fourier Transform Infrared Spectroscopy, Scanning Electron Microscopy, Differential Scanning Calorimetry, Thermogravimetric Analyzer and X-ray Diffraction etc. The conclusions were summarized as following,1. The AN/MMA copolymers were testified that copolymerization of most AN and MMA occurred and the ratio of AN and MMA in copolymer was less than the ratio of monomers. With the increase of the contents of MMA, the viscosity of copolymer solution, molecular weight and decomposition temperature of copolymers increase.

通过傅立叶变换红外光谱、扫描电子显微镜、差示扫描量热分析、热重分析、X-射线衍射分析等测试方法对得到的AN／MMA共聚物、含有正十八烷微胶囊的共聚物以及共聚物膜等进行了测试和分析，得到如下的研究结论： 1、丙烯腈—甲基丙烯酸甲酯之间发生了聚合反应，共聚物的组成比略小于投料比；共聚物的粘度和分子量随着第二单体MMA加入量的增加有增大的趋势；第二单体加入量的增大使得共聚物的分解温度升高，通过热重分析证实当AN／MMA摩尔比为85／15时，共聚物的耐热稳定性较高。

In our research, the morphological and physicochemical properties of common corn starch granule and resistant starch granule were systemically studied using Rapid Visco Analyzer, Farinograph, Mixograph, TA-plus, Laser Particle Analyzer, Differential Scanning Calorimeter and Fourier Transform Infrared Spectrometer. And the influences of resistant starch on pasting properties of wheat flour and rheological properties of dough with different gluten strengh were investigated, so did effects on sensory and texture characteristics of staple food in northern China. These results will provide some theoretical basis for resistant starch widely using in food industry.

本文采用快速黏度分析仪、粉质仪、揉混仪、质构分析仪、激光粒度仪、差示扫描量热仪、红外光谱仪等先进测试仪器系统研究了抗性淀粉和普通玉米淀粉的颗粒形貌和理化性质，探讨了抗性淀粉对不同筋力小麦粉糊化和流变学特性及北方主食感官和质构特性的影响，为抗性淀粉在食品工业中的广泛应用提供了理论依据。

The chemical composition, morphology, crystal microstructure, particle size, infrared spectra properties and oxidization resistance of the product were analyzed using the high-resolution transmission electron microscopy, X-ray diffractometry, transmission electron microscopy, corresponding selected-area electron diffractometry, thermogravimetric analyzer differential scanning calorimeter and Fourier transform infrared spectrum.

采用高分辨透射电子显微镜、X射线衍射、透射电子显微镜、选区电子衍射、热重和差示扫描量热分析仪以及傅里叶变换红外光谱等手段对试样的成分、表面组成、形貌、晶体结构、粒度、红外吸收性能和氧化特性进行了分析。

For the head-teacher of the class said that I had seriously broken the school rules,which led me to a three-day suspend class.

为什么呢？因为我的班主任说我严重的违反了校规，于是让我停课三天。

Many of them believe that the conversion of thousands of working-class folk in England spared that nation from the mass carnage and the tyranny that came with the revolution in France.

他们之中有许多人相信，在英国数以千计的劳工阶级之悔改信主使英国免於遭受如法国大革命所造成的大屠杀和专制暴政。