小转子

大腿肌肉横断面积的测定采用螺旋CT断层扫描，部位在股骨小转子和内外侧髁之间平均分成4等份，取中间3个等分点所在的平面进行CT断层扫描，横断面层厚取8mm；

The cross-sectional areas of the thigh was scanned by CT . Between lesser trochanter and medial and lateral epicondyle of femur , the thigh was sectioned four equal parts , the second , third and fourth sections were scanned by CT , the thickness was 8 mm ;

结果：股深动脉在小转子尖下4.5±1.3cm、9.3±2.7cm处分别发出第1、2穿动脉，外径分别为2.8±0.7mm、2.4±0.6mm。

Results : The deep femoral artery gave off the first and the second perforating artery at the position 4.5 ± 1.3 cm and 9.3 ± 2.7 cm below the top of lesser trochanter with the external diameter of 2.8 ± 0.7 mm and 2.4 ± 0.6 mm respectively .

股骨小转子复位固定器的应用，最大限度地恢复了股骨近端后内侧骨皮质的连续性，扩大了DHS治疗股骨转子间骨折的适用范围。

Using the lesser trochanteric reduction fixation system can restore the continuity of the medial cortex in maximum and expand the range of dynamical hip screw treatment in intertrochanteric fractures .

X线研究获得显示股骨距的最佳方位，对股骨距上段用侧位投射；在施行股骨上端置换手术时，为避免损伤股骨距，应保留小转子上方1.0～1.5cm段的骨质。

In replacement of the femoral upper end the bony tissue 1.0-1.5 cm above the lesser trochanter should be preserved in order to avoid any damage to the femoral calcar . Also , femoral calcar was not present in 24 femur of fetus .

摆线转子泵小转子不根切的条件

Non-undercutting Conditions for Small Rotor in Cycloid Rotor Pump

股骨小转子缺损及复位固定的生物力学比较

Biomechanical comparison between the defect of femur lesser trochanter and the replacement and fixation

目前，在国内，临床上股骨小转子的固定通常利用拉力螺钉进行固定。

Nowadays , lag screws are used to fix the lesser trochanteric in the clinical in China .

本文阐述了硬质合金小转子的研制过程，并就挤压模设计进行了探讨。

The manufacturing process of the small cemented carbide rotors , and extrusion die design are described .

小转子复位固定在股骨转子间骨折治疗中的临床意义

Clinical significance of the fixation of the femoral lesser trochanteric fragment in the treatment of the femoral comminuted intertrochanteric fractures

对比临床，股骨颈和小转子外下侧股骨干部分也是可能导致骨折的区域。

According to the clinical experience , the femur neck and inferolateral shaft of femur of the lesser trochanter are all the catagmatic range .

目的讨论股骨转子间骨折伴小转子骨折是否需要固定。

Objective Unstable intertrochanteric hip fractures are characterized by comminution of the posteromedial cortex and a fragment of variable size containing the lesser trochanter .

但因小转子位于内后方又有髂腰肌的牵引对其的复位固定是很困难的。

However , difficulties are showed to restore and fix the continuity of the lesser trochanteric because it is located inside the rear and towed by the iliopsoas .

为满足人工心脏对驱动电机的特殊技术要求，用实验的方法，对小转子、大气隙和高效率微型稀土永磁无刷电机的可行性进行了研究。

Permanent magnet brushless motor ( PMBM ) is widely used in driving system of electric vehicle because of its high power density , wide speed regulation and high efficiency .

首次通过计算并控制摆线转子泵小转子廓线外凸部分最大曲率半径的方法来避免小转子廓线根切。

Simple explicit expressions for calculating the limit dimensions to avoid undercutting on the tooth profile of the small rotor in cycloid rotor pump are derived first time in this paper .

通过对其结构分析和实验验证，证实了该支承系统是可行的，在小转子、高精度动平衡测试场合具有广阔的应用前景。

The results of structural analysis and experimental validation proved that the pneumatic holding system is feasible and has broad application prospect on the occasion of testing the small rotor with high precision .

第三章提出一种新型的适合于小转子、高精度、高灵敏度的软支承系统&气悬浮支承系统，并简要介绍了整个系统的结构设计。

In the third chapter , an air-bearing system is put forward , which has high precision and sensitivity and is suitable for small rotor as well . Then the structure design of the whole system is briefly introduced .

轴承设计没有考虑小转子体轻和非接触式测振的特点，而采用对轴颈约束强制轴承结构。因此，使转子相对振动值很大。

Restraints on the journal are adopted to strengthen the bearing structure without considering the feature of the less weight of the small rotor and non-contacted side-vibration while making bearing design , which results in the bigger relative vibration value .

生物力学实验结果表明，股骨小转子缺损和广泛缺损会导致股骨上段明显的应力集中，使股骨抵御外在载荷及抗扭力性能显著下降。

Some biomechanics experiments turn out that the coloboma and extensive coloboma of the lesser trochanteric would lead to the proximal femur stress concentration which could weaken the performance of resisting the external load and the resistance against the torque .

本文在研究动平衡校正系统基本理论和常用动平衡测振支承系统动态特性的基础上提出了一种新型的适合于小转子、高精度、高灵敏度的软支承系统&气悬浮支承系统。

On the basis of basic theory of balancing correction system and common dynamic character of bearing system , a bearing system with high precision and sensitivity and suitable for small rotor as well , namely air - bearing system is put forward in this thesis .

小阻尼转子系统动力学的本征解

Dynamic Eigensolution for Slightly Damped Rotor System

本文从生产的实际需要出发，提出了一种针对小批量转子产品的双面动平衡工艺新方法&ZS法。

In this paper , based on the actual need of production , a new technic method-ZS method on duple fact dynamic balance of machine rigid rotators is presented for small-scale production .

而动静间隙对转子扭振特性影响明显，动静间隙越小，转子动静碰摩越严重，频谱成分越丰富，运动形式更趋复杂，相应的各复杂运动区的范围也越宽。

Torsional vibration is strongly influenced by clearance . Smaller the clearance is , the more serious the rub-impact is , the more complex the rotor motion is , and the more wider the range of motion zone is .

轴流压气机小流量状态转子叶尖泄漏涡三维紊流特性

3-D Turbulent Characteristics of the Tip Leakage Vortex inside an Axial Compressor Rotor Passage at a Low Mass-Flow Condition

与气体力相比，啮合力的数值很小，对转子的总载荷影响不大；

Compared to gas forces , meshing forces are rather small and have slight influence on the whole load .

最后，为进一步提高性能，使之具有线性的控制特性和大的过载能力，文中提出了一种电枢反应小的不对称转子磁路结构的方波电机。

Finally , an unsymmetrical rotor structure is proposed , which can reduce armature reactions , linearize the control characteristics and increase overload capacity .

小速差双转子系统不平衡矢量识别方法的研究

Research on Unbalance Identification Method of Double Rotors System with Slightly Different Rotating Speed

小轴向尺寸磁悬浮转子系统机械耦合的研究

Study on Mechanical Coupling in a Magnetic Suspended Spindle System with Small Axial Dimension

此电机可分解为两个独立的两相混合式步进电机：分别为内层小电机（外转子两相混合式步进电机）和外层大电机（扇形结构的两相混合式步进电机）。

The motor can be divided into two special structure two-phase hybrid step motors , separately , which are inner small motor , that is , external-rotor two-phase hybrid step motor , and outer big motor , that is , fan-shaped two-phase hybrid step motor .