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Department of orthopaedics, Xiangya Hospital, Central-south University, Changsha, China3 Objectives: To study cervical adjacent zygapophyseal joint stress distribution following two level ADR and ACDF on, in order to provide biomechanical reference for clinical application of two level ADR. Methods: Eleven healthy adult fresh-frozen multi-segmental cervical spine segments were utilized in this study and biomechanically evaluated under the following C4/5, C5/6 cervical disc conditions:⑴intact spine;⑵he Bryan Disc prosthesis implantation;⑶the intervertebral fusion.

取11具新鲜完整的成人下颈段标本，按实验先后分别制成C4/5、C5/6椎间盘完整、椎间盘置换、椎间融合三个模型组，在标本上施加轴向分级载荷，将微型阻电式压力传感器置入C5/6、C6/7关节突关节内，测量合组各分级载荷下C5/6、C6/7关节突关节内的压力。

The advantages of applications with Windows DNA architecture are discussed. And based on Windows DNA and COM/COM+, a CAD system of cardan cross-groove sphere is put into practice on LAN.

在分析 Wndows DNA多层体系结构的优势基础上，开发了以 indowsDNA为体系结构、基于COM／COM＋组件技术的十字环槽式万向联轴器CAD系统，并在局域网中予以实现。

Part-length control rods of PWR stay in the core so long that they result in shadowing effect on fuel burnup and some other deficiencies.

针对这种情况，本文进一步研究了短棒的功能，讨论了短棒用于轴向燃耗控制的原理，提出将短棒分两组使用。

In addition, it is well known that axial force coefficient denotes the pressure drop across the turbine to a great extent.

因此，如果知道了轴向力系数，就可由透平的运动状态获得透平前后的压降。

Magnetic workholding chucks may not be necessary for finishing operations that do not exert a significant amount of axial cutting forces.

磁workholding夹头可能没有必要的精加工工序不施加了大量的轴向切削力。

Based on the optoelectronic inspecting technology, the chinks between knife edge and the generatrices of measured part were measured by the laser scanned inspecting system and using the rotating and axial feed servo systems, and the non contact automatic measurement of straightness error was realized.

基于光电检测技术，利用回转和轴向进给伺服系统，通过激光扫描检测系统测量刀口尺与被测零件素线之间的间隙，实现了对直线度误差的非接触自动测量。

In order to study the pressure-swirl nozzle's atomization characteristic, the particle diameter distributions along axis of the nozzle have been measured by immerging.

摘要为了研究一种高压静电压力旋转喷嘴的雾化特性，采用浸入法测量了该喷嘴喷雾雾滴粒径在喷嘴轴向的分布状况。

It is also studied how the axial relative position in the process of drawing affects the finished quality of rifled tubes.

本文还研究了在拉拔过程中芯棒和凹模的轴向相对位置对内螺纹管成形质量的影响规律。

In contrast, the dose distribution in lung shows less attenuation and scatters than that in water.

同理；在肺组织则是相反的情况，轴向剂量率随著深度降低情况的比水中少。

The simulation results show that horizontal braces can improve the progressive collapse resistance of steel frames, evidently reducing the vertical displacement on failure spot and uniforming the axial force on all columns.

分析结果表明，水平支撑能显著减小破坏部位的竖向位移，使同层各柱轴力分配趋于均匀化，从而提高结构的抗连续倒塌能力。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。