| 1. | The induced electromotive force and the current do not move along evenly together, that is, in phase . 感应电动势和电流并不协调一致地变化,即并不同相位。 |
| 2. | On induced electromotive force in a fine circle 关于细圆环内感生电动势的几点讨论 |
| 3. | Railway fixed equipment and rolling stock . electromagnetic disturbances . measurement of longitudinal induced electromotive force 铁路固定设备和车辆.电磁干扰.纵向感应电动势的测量 |
| 4. | We also analyzed the interaction among the distribution of the magnetic field around the magnet , the induced electromotive force in the coil and the vibration of the magnet 对永久磁铁在空间产生的磁场分布、感应线圈中的感应电动势与磁铁相应振动等因素的相互关系进行了计算分析。 |
| 5. | This paper theoretically analyses the armature current and magnetomotive force in ac exciter of brushless synchronous machine with rotating rectifier . under the normal or fault conditions of rotating rectifier , the mathematical expressions of the armature current , the m . m . f and induced electromotive force are approached 本文通过对旋转整流器在正常与故障状态下的交流励磁机电枢电流和电枢电势作了初步的理论分析,推导出旋转整流器在正常与故障状态下电枢电流、空间谐波合成磁势及其感应电势的数学表达式。 |
| 6. | The innovation in this paper is list below ( 1 ) use rectangle - shape pipeline so that the inducing electromotive force could be enhanced ; ( 2 ) use alternating current whose frequency is adjustable to induce the magnetic ; ( 3 ) make the flowmeter intelligent by use the microprocessor ; ( 4 ) finish designing the ls flowmeter with utra - low power consumption 本文的创新之处在于采用矩形测量导管大大增加微流量条件下的感应电动势;采用输出频率可调的正弦波电流作为励磁电流达到消除50hz频干扰和减少正交干扰的目的;利用单片机等高端现代电子产品实现了电磁流量计的高度智能化及设计出真正的超低功耗的、可用干电池长期供电的ls旋转流量计。 |
| 7. | Then we set up the model of rectangle - shape pipeline . we compare it to circuit - shape pipeline on sides of the value of induced electromotive force , pressure loss when liquid flow trough the pipeline and resistance ' s value of the sensor . we get the result that we can finish the measurement of low - velocity flow by using the rectangle - shape pipeline 接着对矩形测量导管进行建模,并在流体流经矩形测量导管时产生感应电动势的大小、流体在测量导管中的压力损失和传感器内阻的大小对输出信号的影响等几个方面与圆形测量导管进行比较后得出采用矩形测量导管完全能够有效地完成微流量的测量。 |