结构射

Results In 3 patients, electrophysiologic study was showed that the type of AT was automatic mechanism (2 patients) and reentrant mechanism (1 patients).

AT的射频消融成功率较高，但儿童生理解剖结构的特殊性使其射频消融具有较成人不同的特点，特别是其麻醉方法的选择有待进一步探讨。

Computer optical element based on light-wave diffraction theory is through that etches on film base to produce relievo structure with two or multiple sidestep depths , and form pure phase and coaxial recurrence , so it has higher diffraction efficiency .

计算机光学元件基于光波衍射理论，通过在片基上刻蚀产生两个或多个台阶深度的浮雕结构，形成纯相位并同轴再现，使其具有极高的衍射效率。

By means of schlieren method, experiments and analogdata technique, the phenomena and data in the process of PSFP are comprehensively observed, recorded, and analyzed. The dynamics and thermophysics characteristics of plasma jet and the powder in it are revealed. Also the impact of characteristics mentioned above on the precision, property and microscopic structure are studied.

结合纹影成像等测试方法，本文通过实验与数值模拟技术，全面考察、记录和分析等离子熔射成形过程的现象与数据，揭示等离子射流及射流中粉粒的动力学和热物理特性，并研究了上述特性对熔射成形零件精度、性能及微观结构的影响规律。

Cu/Zr nano-multilayer films are prepared by Direct Current magnetron sputtering in the silex substrate, and the box-type furnace is used to anneal. Micro-sclerometer, X-ray Diffractometer and Scanning Probe Microscope are used to analyze the mechanical performance and microstructure of Cu/Zr nano-multilayer films. The relation of process parameters and performance is investigated.

本文利用直流磁控溅射方法在石英玻璃基片上制备了一系列自支撑Cu/Zr纳米多层膜，使用箱式电炉对多层膜进行退火处理，利用显微硬度计、X射线衍射仪、扫描探针显微镜表征了多层膜的力学性能与微观结构，研究了不同工艺参数对纳米多层膜性能的影响。

This result is a generalization of the Chevalley basis in case a simply-laced complex simple Lie algebra. Meanwhile, it generalizes also the corresponding Chevalley forms in case affine Lie algebras and 2- extended affine Lie algebras.

该结果是simply-laced复半单李代数情形下Chevalley基的推广，同时也是仿射李代数和2-扩大仿射李代数的相应Chevalley结构形式的推广。

Some of the proposed new radio architectures [3] move the need for a tunable frequency synthesizer from RF to IF, but today's superheterodyne architecture always needs a tunable RF synthesizer.

一些新提出的无线电系统架构[3]将使用可调谐的频率合成器的地方由射频变为中频，但目前的超外差式的结构仍然一直使用可调谐的射频合成器。

It is proven that the choice of entrance of light and the beginning of the tangent from crystal surface has no effect on resolving the final direction of light in crystal by Huygensdiagraph and a conclusion that light will still spread in line in singleaxiscrystal is drawn.

当光波入射至单轴晶体时，由于晶体结构的各向异性，入射光波在晶体中将分成两束，一束称o光或称寻常光，另一束称e光或非寻常光，这种现象被称为双折射。对于o光和

It is found that very high spin polarization could be obtained under the appropriate structure when the injection is unpolarized.

发现通过适当的设计结构，当电子自旋非极化入射时，在出射端可以得到非常高的自旋极化率。

The results of XRD and ED show that the crystal structure of CdSquantum dots synthesized in water solution is wurtzite structure.

通过X射线衍射谱、电子衍射花样的研究表明：水溶液法制备的CdS量子点纳米晶体具有纤锌矿的晶体结构。

The phase constitution and structure of a partially stabilized Zirconia with yttria and magnesia have been investigated by means of electron diffraction, diffraction contrast image, X-ray diffraction and image simulation.

通过透射电子显微术、X射线衍射和电子计算机图像模拟等手段、对由Y〓O〓和MgO复合稳定的ZrO〓陶瓷—-PSZ的相组成和相结构进行了观察测定。在此基础上，对电子衍射谱中的漫散射现象进行了系统、细致的研究。

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。