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The double effect of high-speed multicycle impact,speed and load fluctu ant characteristics is the key factors influencing on wear resistance and multicycle impact resistance for th e high-speed automotive chain.

高速多冲以及速度与载荷交变特性的双重效应，是影响汽车用高速滚子链耐磨性和多冲抗力的关键因素。

The high-speed and multicycle impact characteristics of an automotive chain differ from other high-speed roller chain. The double effect of multicycle impact characteristics and speed, load fluctuant characteristics set up a stern claim of wear to automotive chain.

汽车链条的高速多冲特性不同于其它高速滚子链，高速下的多冲特性以及速度与载荷交变特性的双重效应，对其耐磨性能提出了苛刻的要求，而速度与载荷交变特性的影响尤为重要。

When the relaxing speed of oversaturation increased to be equal to the growing speed,crystal process changed to the chemical reaction region controlled by Mo8O4-26 polymerization.In this region,the linear rate of growing speed and oversaturation were stable.

当过饱和消除速度增大到与生成速度相等时，过程转变为由Mo8O4-26聚合反应控制的化学反应区域，此区域和ΔC处于稳定不变的状态。

The results show that the vertical sintering speed changes notably with the proceeding of sintering process. After ignition and thermal retardation the bed permeability deteriorates and the sintering speed decreases notably because of the progress of physical chemistry reaction, formation and broaden of combustion zone, and formation of overwet zone. In about 25 min, the over wet zone vanishes, so the bed permeability meliorates and the speed arises rapidly.

结果表明：垂直烧结速度并非固定不变，而是随着烧结过程的逐步进行发生显著变化；点火保温后，随烧结物理化学反应的进行，燃烧带逐渐形成并变宽且产生过湿现象，导致料层的透气性显著变差，烧结速度显著下降，直至约25 min后过湿层完全消失，透气性变好，烧结速度迅速上升。

In the design of the road test, a reflectional infrared sensors is used to detect the black line on the road to judge the trolley's position; on trolley's speed controlling, the control system uses PWM technology to control the rotational speed of electric motors, and complete the speed real-time control to electric cars in d

在路面检测设计中，小车采用反射式红外传感器来检测其行驶路面上的黑线，以判断小车行驶的位置；在控制小车行驶速度上，系统利用PWM技术控制电动机的转速，通过程序完成对电动小汽车在不同路段的行驶速度实时控制；最后采用双电源供电，用以保证系统的运行更加稳定，可靠。

The F-40 had a new slatted wing, with a slight decrease of speed, but also a much better agility at high and low speed with a landing speed reduced to 124 mph (200 km/h).

但后面补充说明F-40 block重新装回一种改良式翼前缘板，以牺牲些微速度换取更佳的高低速机动力与更低的降落进场速度。

So it always act as execute component in position control system and wide speed change system. It also fit in situation where need high torque, low speed, or speed change and feed back, or a situation need tensive.

因此，它特别适合于在位置控制系统和宽调速系统中作执行元件，也适用于需要大转矩、低速、转速调节、转速反馈和需要一定张力的场合。

The instantaneous angular speed based on the flexible body model underdiffierent faults simulated is calculated, which shows the rule of the instantaneousangular speed fluctuation ratio due to the underpower of a single cylinder. Therefore,the maximum power fluctuation ratio of the instantaneous angular speed is proposed to diagnose the fault of single cylinders underpower.

2进行了基于柔性体模型的柴油机瞬时转速故障仿真计算，揭示了柴油机单缸功率不足的瞬时转速波动规律，提出了采用最大瞬时转速波动率作功峰值的无量纲参数诊断柴油机单缸功率不足故障，并定位到故障缸的瞬时转速诊断新方法，并在船舶柴油机上得到应用。

The results indicate that in the synchronizing condition the MRF is unyielded, every point of MRF in the flow field has the same angular velocity. Under the slipping condition, with the increase of magnetic field or the decrease of slip speed, MRF may transfer from whole yield to partial yield. When the MRF wholly yields, the angular velocity of MRF increases nonlinearly with its radius, the non-linear distribution becomes more obvious as the magnetic intensity in the working gap increases. When the MRF partially yields, the yield region expands with the decrease of magnetic intensity or the increase of slip speed and the unyield region always reaches the driven rotor. The transfer torque of MRTD increases with the increase of the external magnetic field, but the transfer torque maintains a constant value approximately with the variation of slip speed at the same magnetic intensity.

研究结果表明，在同步工况下，传动装置流场中磁流变液未屈服，各点角速度相同；在滑差工况下，随外加磁场的增大和滑差转速的减小，磁流变液逐渐从完全屈服向部分屈服转变；磁流变液完全屈服时，磁流变液角速度随半径呈非线性增加，工作间隙中磁场越强，流场的非线性分布越明显；磁流变液部分屈服时屈服区域随外加磁场的增大而减小，随滑差转速的增大而增大，未屈服区与主动转子相连；稳态下磁流变传动装置传递的转矩随外加磁场的增加而近似呈线性增大，但在相同外加磁场下，传递转矩基本不随滑差转速改变而改变，表现出良好的恒转矩特性。

The high speed lumber compound machining center was the woodworking machinery profession key equipment, this paper elaborates the present development Qituation of the contemporary woodworking profession, analyzes the princple of the high speed lumber compound machining center control system, takes UMAC as the core component and develops control system used in the high speed lumber compound machining center by combining its harduare with its soft wase.

高速木材复合加工中心是木工机械行业的关键装备，文中阐述了当代木材加工行业的发展现状，分析了高速木材复合加工中心控制系统的原理，并且以UMAC为核心器件，在配合其硬件和软件的基础上开发了一种用于高速木材复合加工中心控制系统。

Methods Clinical data of 3 cases of bile duct injury during laparoscopic cholecystectomy were analyzed retrospectively.

回顾总结3例LC术中胆管损伤的临床资料，分析3例胆管损伤的原因及对策。

These techniques are applied to the gobang.

本文将这些技术用于五子棋中。