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1.the M25 London orbital motorway
第25 号伦敦高速公路收藏指正
2.The system design variables are magnet external diameter of internal ring, internal diameter of external ring, depth of groove - ring and ampere turns.
系统设计变量为磁铁内径、内径、槽口深度和安匝数。收藏指正
3.Synthesis and Crystal Structures of exo-Polyhedral Cyclized Nickelaundecaborane Clusters
化镍十硼烷簇合物的合成与结构研究收藏指正
4.The flight state variables are separated into fast and slow variables in terms of perturbation theory.
根据奇异摄动理论将受控状态变量分为快变量和慢变量,然后根据非线性动态逆理论分别对内进行设计。收藏指正
5.The speed of electric transmission of ship lift is governored by the transist motor and its lifting mechanism of control system is a double closed ring regulation system of inner electric current ring and outer speed ring. It is driven by 4 DC motors with the power of 200 kW each and the total lifting capacity is 320 t.
升船机电力传动采用晶闸管-电动机调速方式,其控制系统起升机构为电流内、速度的双闭调节系统,由4台200kW直流电动机驱动,总起吊量320t;收藏指正
6.In this paper,the load acted on the outer ring of flexible bearing and on the ball has beensolved on the premise that it is considered that the flexible wheel and bearing effect distor-tion under the action of outer loading torsion on harmonic gear drive. According to thesolved load and with formulas concerned and theorems,the analysis has been made of allkinds of stress on the outer ring of flexible bearing and the conclusion more suitable for re-ality has been obtainde.
本文在考虑了谐波齿轮传动在载扭矩作用下柔轮及柔性轴承产生畸变的前提下,求解了作用在柔性轴承及滚珠上的载荷,并根据求出的载荷,用有关公式及定理对柔性轴承各种应力进行了分析,得出了与实际情况更加符合的结论。收藏指正
7.The external loop is to control the DC(Direct Current) capacitor voltage. A single neure adaptive PI(Proportional Integral) control is adopted for the voltage control,which adapts itself to online system parameter changes for avoi ̄ding disturbances and keeping capacitor voltage almost constant during instantaneous reactive power exchange.
为电压控制,采用单神经元自适应比例积分(PI)控制在线调整参数,可适应系统参数变化、克服扰动,有效控制了瞬态无功交换时直流电容电压的稳定。收藏指正
8.The one-million-second image shows a bright outer ring (green) ten light years in diameter that marks the location of a shock wave generated by the supernova explosion.
曝光100万秒的图象揭示出了直径10光年的明亮(绿色),这里标志着超新星爆发产生的激波起源。收藏指正
9.The shear stress on outer ring wall(τ_(ow))is less than that(τ_(iw))on inner ring wall. τ_(iw)/τ_(ow) depends on the(ratio) of the outer ring radius and the inner ring one.
内半流场的剪切应力随半径变化速率要明显大于半流场的剪切应力变化速率,内壁面处的剪切应力也要大于壁面处的剪切应力,τiw/τcw随k值变小而变大。收藏指正
10.The experimental results show that the distribution of the radial static pressure behind the model cascade can be controlled by changing the diameter, number and distribution of the holes at different radius of the full circled backboard with the holes properly, and the experiments variable enthalpy drop in the model cascade can be realized by using out-circled backboard or in-circled backboard which are set on the different distances from the trailing edge of the model cascade.
实验结果表明,适当选择全钻孔挡板不同半径处的钻孔率、钻孔直径与分布,可调节静叶后径向静压分布,采用或内挡板,并将其分别置于静叶的近、中、远下游,可实现静叶栅的变焓降实验。收藏指正
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