转子下的

The problem of unbalance load on pulse generator is discussed by means of methods of analysis on harmonic electromagnetic moment during stable and transient state.

剖析了不平衡负载及缺相极端情况下，发电机各次稳定和瞬变谐波电磁力矩对转子系统的影响。

The paper introduces the basic property of rotor vibration, the shape of the orbit in normal condition and the relation between faulty rotatory machine and its character of orbit.

论文介绍了转子振动的基本特性，正常情况下轴心轨迹的形状和在故障状态下轴心轨迹和旋转机械故障的对应关系。

This is a phenomenon of non-linear self-excited vibration.

导出了在这些因素联合作用下悬臂式转子运动的四个非线性微分方程。

The critical speed of one turbopump rotor on elastic support was computed by FEMQZ.

计算分析了某涡轮泵转子在弹性支承下的临界转速。

Objective To compare different angle internal fixation for treatment of the adductive femoral neck fracture with cannulated compression screw with the finite element method, and evaluate the risk of subtrochanteric fracture of the complication of the internal fixation, and find out the rational fixation manner to guide clinical practice.

目的 通过有限元方法对内收型股骨颈骨折的不同角度空心加压螺钉固定技术进行对比评价，判断何种技术更易发生转子下骨折，为临床应用提供理论依据。

OBJECTIVES: Both intramedullary and extramedullary internal fixation has been advocated for the treatment of subtrochanteric femur fractures.

目的：髓内与髓外固定都可以用来治疗股骨转子下骨折，本文旨在比较两种固定方法的临床疗效，确定二者那种疗效更好。

Objective: To explore the clinical effect of proximal femoral nail in the subtrochanteric fractures of the femur.

目的 探讨PFN治疗股骨转子下骨折的疗效。

The speed-sensorless vector control and the identification of motor parameters in this paper are the two novel research of vector control.Using asynchronous machine's mathematic model in three-phase static reference frame, this paper has derived it's mathematic model in two-phase static reference frameand in two-phase rotating reference frame, and got the coordinate transformance formulus based on the constant magnetic force and power force, by compared different field orientation methods, we can find that field orientation at rotor field can realize the decoupling of the stator current flux component

无速度传感器矢量控制和电机参数辨识是矢量控制的两个新的研究方向，本文利用异步电机在三相静止坐标系下的数学模型推导出两相静止坐标系、两相同步旋转坐标系下的数学模型，根据磁动势守恒和功率守恒的原则，得出各坐标变换公式；通过不同磁场定向方式的比较发现，异步电机按转子磁场定向时定子电流励磁分量和转矩分量可以比较方便地实现解耦。

ZSM two-drum pulse low net work of the screen, pulp pressure from the top of the screen to cut into the screen, the two fall in the middle drum sieve, sieve in the drum inside and outside of the pressure difference and the dual-rotor rotary-wing together, qualified fiber Through the inside and outside the drum screen after screen to the body at the bottom of the pool, and then by the good plasma discharge tube machine, the screen remained in the dark between the flow of rough slurry residue by the rotor and driven together to drum sieve under the tailings from the slot after the Slag discharge pipe.

ZSM双鼓式低脉冲网前筛工作时，纸浆从压力筛的上部切向进入筛体，流到两个筛鼓中间，在筛鼓内外的压力差及双旋翼转子的共同作用下，合格纤维通过内、外筛鼓后汇集到筛体底部，然后经良浆管排出机外，留在筛鼓之间的粗渣受到浆流和旋翼的推动，汇聚到筛鼓下的尾渣槽后从排渣管排出。

The frequency and amplitude of wake force were deduced theoretically, while the influence of stator sector distribution and stator vane quantity on the wake force of vane was also discussed. Transient analysis was conducted for the forcing response of rotor blades under the same stator sector distribution and different quantities of stator vane, so an optimum asymmetry stator mistuned design was developed.

对不对称静子叶片非谐情况下激振力频率幅值进行推导，讨论了静子扇区分布和静叶数目选取对尾流激振力的影响，并对相同扇区分布不同静叶数目情况下转子叶片的强迫响应进行瞬态分析，给出不对称静子非谐设计的最优方案。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。