煤化程度越高的煤导电性越好，且甲烷气体在煤中的电动效应越明显；
The higher the degree of coal metamorphism is, the better the conductivity of coal is and the clearer the electric effect of methane gas in coal is.
通过电动式标定和振动台标定对地震计的灵敏度、频率响应特性、线性度、横向效应、噪声特性和动态范围进行了测试。
The properties of the seismometer are tested by calibration, such as its sensitivity, frequency response, linearity, noise, SNR, transversal effect, dynamic range and so on.
针对直流电动机中电枢磁动势的轴线位置由电刷决定的特征，提出了箝位概念，指出自控变频乃是箝位效应的直接后果。
Aimed at the feature that the locality of axis of the armature MMF is determined by the brush in dc motor, a new concept on clamp is proposed.
对磁层-电离层电动耦合和电离层发电机两种效应进行了模式计算，并对所得的一些耦合现象作了综合讨论。
Model calculations are used to analyse fhe function of the magnetosphere-ionosphere electrodynamic coupling and that of the ionospheric tide-dynamo.
考虑三相异步电动机起动过程挤流效应对参数的影响，建立了变参数的等效电路。
Considering the effect of the skin-effect during the starting of three-phase asynchronous motor on the parameter, the author sets up an equivalent circuit of variable parameter.
通过对某种型号电动自行车调速控制器的剖析及试验，找出了原控制器使用过程中频繁烧坏功率场效应管的原因，研制出了一种改进型控制器电路，从根本上解决了原电路存在的问题。
Analysis and test of speed controller circuit of certain electric bicycle is performed to find out the reason for a frequent burn-out of power FET of the original controller during working.
本发明涉及电子设备技术领域，具体涉及一种霍尔效应电动机控制器。
The invention relates to the technical field of electronic equipment, in particular to a Hall-effect motor controller.
同时考虑了集肤效应对电动机转子参数的影响，给出了相应的参数修正公式。
At the same time, the effect of skin effect on the parameter of the motor rotor is considered and the corresponding modified formula of the parameter is provided.
本发明属于交流电机设计制造领域，特别涉及一种消除定子铁心扣片外鼠笼效应的交流电动机结构。
The invention relates to a field of an ac motor design and manufacture, in particular to an ac motor structure capable of eliminating stator core buckle slab external squirrel cage effect.
本发明属于交流电机设计制造领域，特别涉及一种消除定子铁心扣片外鼠笼效应的交流电动机结构。
The invention relates to a field of an ac motor design and manufacture, in particular to an ac motor structure capable of eliminating stator core buckle slab external squirrel cage effect.
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