转子

As the centre of liquid-rocket-engine, the importance of the liquid hydrogen turbopump is significant. Turbopump rotordynamic instability problems concern many influencing factors, and there is great difficulty in solving them.

作为液体火箭发动机的心脏，液氢涡轮泵的重要性不言而喻，其中涡轮泵转子系统的动力稳定性问题中涉及的影响因素很多，其分析研究的难度也极大。

Full study including theory and experiment about hydro-oxygen turbopump rotor system showed that MR has special advantages as combined bearing.

通过对带金属橡胶阻尼器的氢氧涡轮泵转子进行了实验研究及其理论分析。

The development of hydrostatic bearings to center the rotor raises the DN limit associated with rolling contact bearings and increases the turbopump life potential.

的发展，静压轴承转子中心提出的DN限制与滚动接触轴承和增加涡轮泵寿命的潜力。

A numerical simulation of this model shows that one of the methods to improve the efficiency of an optical tweezer is to change variant conditions, such as the microrotors speed is in proportion to the lasers power and has a nonlinear relation with the beam's waist.

基于此种模型的分析结果表明改变环境参量是提高光镊工作放率的方法之一，如微转子转动速率与光镊的激光功率成正比，与束腰半径成非线性关系。

That can improve the mechanical performance of a twin-screw compressor further.

重点研究的是双螺杆压缩机的转子型线设计、几何特性、受力分析、热力学计算。

The results show that the proposed approach in this paper is able to estimate the unbalance magnitude accurately.

仿真与实验结果表明，这一方法能够比较准确地估计出转子系统的不平衡量。

In this paper, the influence of rotor-skewing on the machine performance, such as the unbalanced radial force, cogging torque and back EMF, is analyzed, with two different prototypes being comparatively studied.

分析了转子斜极对其不对称径向力、齿槽定位转矩和反电势等性能的影响，并用两种不同结构的电机进行对比研究。

As the Coulomb friction of the damper is increased, the vibration amplitude of the rotor system is decreased near the undamped critical speeds, but is increased in a range between the first and the second undamped critical speeds.

随着磁流变液阻尼器的库仑阻尼力的增大，支承在磁流变液阻尼器上的转子系统在无阻尼临界转速处振幅明显下降，但在两阶无阻尼临界转速之间的一定转速区振幅反而增加。

The machine is canceled the underprop, wheel and axle are directly fixed on the reducer, so the machine is lightened its weight; the material cavity of the rotor is adopted a new style, such as trapeziform, roundness, multi-material cavities, it makes series of blowing, less spraying pulse.

本机型的设计取消了支撑架，轮轴直接固定在减速器上，减轻了重量；转子的料腔采用了新型的呈梯形、圆角、多料腔结构，使得进风连续，喷射脉冲小。

The machine is canceled the underprop, wheel and axle are directlyfixed on the reducer, so the machine is lightened its weight; thematerial cavity of the rotor is adopted a new style, such astrapeziform, roundness, multi-material cavities, it makes series ofblowing, less spraying pulse.

本机型的设计取消了支撑架，轮轴直接固定在减速器上，减轻了重量；转子的料腔采用了新型的呈梯形、圆角、多料腔结构，使得进风连续，喷射脉冲小。

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％。