查询词典 motor-show

BACKGROUND: After amyotrophic lateral sclerosis, motor neurons have changes in neural degeneration, but the precise mechanism is not clear.

摘要背景：肌萎缩侧索硬化后运动神经元存在神经变性改变，但其确切机制不明，内源性神经干细胞被认为是未来能有效解决此病的治疗方法之一。

Objective To investigate the effect of walking labor analgesia on the motor function of parturients.

目的探讨在产程中施行可行走分娩镇痛对产妇运动功能的影响。

With the change of the interval, analog output channel outputs variant voltage to frequency converter that controls the speed of the motor.

根据载荷设定值的大小，系统根据等比关系将其模糊化成几个区间，并确定当前采集到的载荷的区间号，根据区间的变化赋予采集卡的模拟输出通道一定电压输出到变频器，最终控制电动机的转速，使整个加载过程保持平稳。

In DC motor control systems,traditional analog systems are not suited to this trend of development.

在直流电动机控制系统中，传统的模拟系统已经不适应这一趋势的发展。

The system developed by the author consists of a 7-holes pitot tube, a stepping motor, seven pressure transducers, an analogue amplifier, a computer data acquisition card, a switch voltage output circuit and a data processing system.

本文研制了一种七孔探针三维自动测速系统，该系统由球形七孔探针、异步步进电机、压力传感器、模拟放大器、计算机数据采集、开关量输出及数据处理系统组成。

The manufacture process is very; the parts and components, including electric motor, reducer, breaker and cable reels, all adopt the updated products; the whole machine has advanced technologies, reliable performance and novel structure; it has many safety protection facilities, such as: overload equipment, height indication equipment, stroke ultimate position terminal protector, electric rail clamp and anemoscope to ensure the normal operation of the equipment.

跨度大，一机多用，可同时装置主钩、副钩等结构；主梁、横梁、支腿等主要结构为箱形梁，强度与刚度好，制造工艺简单；零部件包括电机、减速器、制动器、电缆卷筒等均选用最新产品，整机技术先进，性能可靠，结构新颖；有超载装置、高度指示装置、行程极限位置终端保护装置、电动夹轨器、风速仪等安全设施，保证设备的正常运行。

The location of the ball through the linear displacement sensor acquisition, controller position error calculated in accordance with the volume control to control the motor shaft angle, the angle of the control bar so that the stability ball to the target location.

小球的位置通过直线位移传感器采集，控制器根据位置误差计算控制量，控制电机轴的转角，从而控制横杆的角度，使小球稳定到目标位置。

The system adopted active tracking,namely calculate the input angle of the tracking device in advance,the angle is correspondent to the sun position some moment.Photoelectric sensors react the sunlight that putting on different position of the platform, feedback electrical signal.Then single-chip applys the subprogram and sends out pulse to step motors according to the signals,can control the rotate angle and direction of the step motor. The mechanism has realized the automatic track to the sun, so that the trackers top flat board can be always vertical to the sunlight and arrive the furthest receiving energy.

系统采用主动式跟踪，即预先计算好对应于某时刻太阳位置的跟踪机构的输入角度，通过跟踪器上平台不同位置上摆放的光电传感器感受该太阳位置的光照，反馈回电信号，单片机根据该信号调用子程序发出脉冲对步进电动机的转动角度和方向进行控制，实现了机构对太阳的自动跟踪，使跟踪装置的上平台始终处于垂直于光照方向，达到了能量最大限度的接收。

The control of the lead angle of the motor is studied. The power MOSFETs are used as a power amplifier which adopts a half-bridge circuit.

本文设计了变磁阻电机三相绕组的电流闭环控制系统，并研究了超前角控制问题。

Proposed a new method of determining the cell thickness and the twist angle of twisted nematic liquid crystal cells, a quarter-wave plate was inserted between the liquid crystal cell and the analyzer, a stepper motor rotated the Retarder by , and measured the light intensity of every modulated point, solved the stokes parameters of polarization light exiting from the liquid crystal cell using Fourier analysis method, thereby determining the cell thickness and the twist angle.

本文提出了一种测量扭曲向列相液晶盒盒厚与扭曲角的新方法，在液晶盒和检偏器之间放置四分之一波片，通过旋转此四分之一波片，测量各个调制点的光强，用傅里叶分析法计算线偏振光穿过液晶盒后的stokes矢量，从而求出液晶盒盒厚以及扭曲角。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。