axial rotation

Result: The angular range of motion and neutral zone during flexion, extension, lateral bending and axial rotation at C1-C2 after replacement with artificial atlanto-odontoid joint were proved no significantly difference as compared with intact spine.

结果：人工寰齿关节置换术后，屈伸、侧屈和旋转运动的中性区以及屈伸和侧屈运动范围较齿状突切除术后明显减小，各运动范围和中性区接近正常状态。

There was slight axial rotation of the tibia relative to the femur.

相对于股骨,胫骨出现轻微轴向转动.

Is the state of the axial rotation of a rigid body at constant angular speed stable?

刚体的匀角速定轴转动状态是平衡态 吗 ?

The fact joints of L3-L4 segment increase in flexion and extension 200 positions and decrease in axial rotation.

L3&L4节段小关节面在前屈和后伸20°时受力增大，轴向旋转时受力减小。

High frequency movement in precise micro-displacement of the tool is required when boring the hole and the displacement of the tool needs to be changed according to its spindle rotation angle and its axial position in boring process, because the hole has a very complex three-dimensional surface.

非圆曲面孔复杂的三维空间曲面结构，要求在镗削过程中，刀具径向位置随着主轴转角和其轴向位置的变化，做高频响的精密微位移补偿运动。

Conclussion: Spine without instability in the anterior and middle columes fixed with TLS increases significantly in flexion, extension, lateral bending and axial rotation stability, especially in rotation.

结论：在无明显前中柱不稳时，TLS固定后脊柱的前屈、后伸、侧弯和旋转的稳定性明显增加，尤其旋转增加较多；

CONCLUSION: The axial radiography of distal femur is acceptable for evaluating femoral component rotation with comparable accuracy as CT.

结论：股骨远端轴位X射线片可用于全膝关节置换术前确定股骨假体旋转力线，具有同CT相当的准确性。

The greatest intervertebral motion in the C0-C1-C2 is axial rotation at the C1-C2 joint, with the neutral zone constituting 75.99%.

枕颈部最大椎间运动是C1－C2关节旋转运动，中立区占其运动范围的75.99%。

After removing the ribs the axis of axial rotation moved forward.

在移去肋骨后,旋转轴明显前移了.

Effect of test rotation speed on the performance of axial flow pump with high flow rate and speed

试验转速对大流量高转速轴流泵性能的影响

The stability with wire fixation was greater and equal to in flexion and in extension, lateral bending and axial rotation respectively.

棘突钢丝固定在前屈运动方向上可加强节段的稳定性，可恢复节段在后伸、侧弯和轴向旋转运动方向上的稳定性；

Under the precondition of incompressible flow, fluid spiral motion in SK static mixer tube was resolved into axial beeline motion and circumferential rotation motion.

在流体不可压缩的假设前提下，将流体在SK型静态混合器中的螺旋形运动分解成轴向直线运动和环向旋转运动。

Conclusion: Unilateral pedicle screws fixation cannot provide sufficient stability in lateral bending and axial rotation, pedicle screws endure more stress.

结论：单侧椎弓根螺钉固定不能很好地控制侧屈和旋转载荷，椎弓根螺钉承受较大的应力；

In this paper, the elemental stiffness matrix of a rotating twisted and tapered beam, due to deformation of axial direc-tion, bending and shearing including shearing deflection and rotation effects, is studied.

本文研究了在剪切变形和转动的影响下，在轴向变形、弯曲变形和剪切变形的作用下的旋转变截面扭梁的单元刚度矩阵。

Lateral bending plus axial rotation yielded the highest increase in fiber strains, followed by axial rotation plus flexion or axial rotation plus extension.

在轴向旋转加屈曲或轴向旋转加伸展时，侧弯加轴向旋转是纤维强度增强的最大。

Motions of flexion/ extension, lateral bending and axial rotation were produced by six pure moments with maximum of 10.0N · m and measured with stereophotogrammetry.

对标本施加最大为10.0N.m的力偶矩，使之产生前屈、后伸、左右侧屈和左右轴向旋转运动，并由双平面立体测量的计算机图像分析系统得到节段运动范围。