分布力矩

STAINLESS STEEL BACKWEIGHT triangulates weight at the corners of the putter for an extremely high moment of inertia.

杆头后端的不锈钢配重把重量分成三份，并分布在打推杆的不同角落，成功取得极高的惯性力矩。

In the fifth chapter, the stall regulated wind turbines are simulated on the zero-yaw and yawed configurations. The former are solved under non-inertial rotating coordinate system and the latter under inertial coordinate system.

第五章为风轮叶片的流场数值模拟，对失速限制型风轮叶片(NREL Phase-Ⅵ)在轴流和偏航状态下的流场进行了数值模拟，其中轴流状态采用在旋转坐标系下进行求解的方法，研究了风轮叶片在经历失速前后的流场变化、桨叶载荷分布，对所产生的扭矩、以及附加的在挥舞和摆振方向的力矩进行了分析。

The computation model of two-point contact (for cone-tread) and conformal contact (for worn-tread) resulting from wheel flange close to rail is firstly established in this paper. A detailed analysis is made of the wheel/rail contact force, contact status and wheel/rail stress distribution on the different action of tractive forces and transverse forces. We draw some important conclusions, one of which is that the locomotive adhesion performance will decrease with the increase of transverse forces between wheel and rail.

本文建立了车轮轮缘贴靠钢轨形成的轮轨两点接触和共形接触的计算模型，对不同的牵引力矩、不同的横向力作用下的轮轨接触力、接触状态和轮轨应力分布进行了详细的分析，得出了轮轨间横向力增大会降低机车粘着性能等一系列重要结论。

Tacking stitching quality of lockstitch sewing machine ;2. The Research on Current Sensorless AC-servo Drives in Lockstitch Sewing Machine;3. This paper aimed at the characteristics of the needle bar mechanism s motion of lockstitch sewing machine making for air bag fabric,drew out the whole motion diagram of the needle bar mechanism,and making an equal replacing about it.

提出了一种应用优化平衡对高速平缝机振动及噪声控制的方法，在动态测试的基础上，利用功率密度谱分析，正确诊断出高速平缝机振动及噪声源；采用优化计算技术，调整构件的质量分布，实现机构及机构系统的惯性力和惯性力矩的最佳平衡，最终达到减振降噪的目的。

AbstractObjectives1 Correlate bone mineral densityto vertebral compressive strengths.2 Consummate the technique for percutaneous polymethylmethacrylate vertebroplasty and observe the pattern of PMMA imaging distribution.3 Determine the strength and stiffness of osteoporotic with or without vertebroplasty with PMMA bone cement.4 Correlation of BMD,insertion torque and pull-out strengths of pedicle screws.5 Ascertain whether augmentation with PMMA bone cement can enhance pedicle screw fixation in the osteoporotic spine.6 Ascertain whether augmentation pedicle screw fixation with PMMA bone cement can enhance the stability of unstable thoracolurner burst fractures of osteoporotic spine.

目 的1、测试椎体压缩强度，分析强度与骨矿物质密度（bone mineral density，BMD）的相关关系。2、观察经皮椎体成形术后聚甲基丙烯酸甲脂（polymethylme- thacrylate，PMMA）骨水泥在椎体内的形态学分布及影像学表现。3、比较PMMA骨水泥骨质疏松椎体成形术前/后椎体最大抗压力和压缩刚度的变化。4、分析椎体BMD、螺钉最大旅入力矩和最大拔出力三者之间的关系。5、分析PMMA骨水泥强化骨质疏松椎弓根螺钉后的螺钉的最大轴向拔出力和拔出刚度的变化。6、评价PMMA骨水泥强化骨质疏松椎弓根螺钉脊柱内固定对不稳定型胸腰椎损伤的即刻稳定性和反复载荷后的稳定性。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。