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FT-IR, 1H NMR and theoretical studies showed that the polymerization of carbazole mainly occurred at the 3,6-positions.

红外、核磁波谱和理论量子化学计算结果表明，咔唑的电化学聚合主要发生在3，6位。

These results are a theoretical foundation for the design of a cardiac optical mapping system.

这些研究结果为心脏光学标测系统的设计提供了理论依据。

In has been applied to theoretical study of modeling of 3-dimentional finite element of impedance cardiograph successfully.

该算法已成功地应用于心阻抗血流图三维有限元建模的理论研究中。

Intruduce impedance cardiography and describe its theoretical background, measuring methods, generation of impedance signals and its clinical meaning,and application of the impedance cardiography.

介绍心阻抗法的工作原理、测量方法、阻抗微分波的产生和临床意义，以及心阻抗法的临床用途。

The film suspense theory of the philosopher Carrol is of great theoretical value and significance.

卡罗尔所提出的电影悬念理论，有着重要的理论价值与意义。

In 1990 and the pioneer works of Pecora and Carrol, The theoretical research and applied study of the chaotic control and chaotic synchronization get the development at full speed. Various kinds of methods of the chaotic control come out one after another and people find the chaotic control and chaotic synchronization can be applied to a lot of fields such as secure communications, chemical, modeling brain activity etc.

但自1990年E.Ott等人提出了OGY方法以及Pecora和Carroll关于混沌同步的开创性工作之后，混沌控制与同步的理论研究和应用研究得到飞速发展，各种控制混沌的方法相继问世，并发现了混沌控制与同步可以在诸如保密通讯、信号处理、化学反应、生态和电力系统等领域广泛应用。

Based on the involute's basic principles and theoretical formulas, input the involute's formulas of cartesian coordinates into the equation editor, accordingly create the precise involute of gear's contour. Based on the formula of helical gear's parameters, accurately create a curve of tooth profile. Create the chraceristics of helical gear by ordering of swept blend and array.

依据渐开线生成的基本原理和理论公式，在方程编辑器中输入渐开线的笛卡尔坐标方程，从而生成精确的齿轮轮廓渐开线；根据角变位斜齿轮各参数的计算公式，精确创建了齿廓曲线；利用扫描混合和阵列命令创建斜齿轮的轮齿特征。

This result provides a theoretical foundation for interpretation of logging data of some cased wells and for development of logging tools.

该结果可为套管井的井间电磁测井仪器的研制、井间电磁层析成像技术及测井解释提供一定的依据。

Thus it provides a theoretical basis for design and adjustment of refector antenna, particularly the modified Cassegrain antenna.

一、引言在反射面天线系统的设计中，相位中心的位置是一很重要的参数，因为它决定了馈源在反射面夭线系统中的相对位置，优选馈源的相位中心是提高夭线增益，控制旁瓣和交叉极化电平的有效手段。

The aim was to provide the theoretical basis for fast propagation of Cassia surattensis Burm.f..

［目的］为快速扩繁黄花槐提供理论依据。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。