The detection and location of the start point and end point of the voltage sag and swell is a key problem for the power quality monitoring.
对于短时低电压扰动发生、恢复时刻的检测与定位则是电能质量监测和统计中获取相关指标首先要解决的问题。
The polishing method using this abrasive pad employs an optical end-point detection device.
使用该研磨垫的抛光方法采用光学终点探测装置。
The working principle and construction of an instrument based on absorption spectrometry for on line detection of impurity eliminating end point in Li series polymerization are discussed.
研制了一台以吸收光谱法为基础的锂系聚合反应破杂终点在线测定仪。讨论了终点在线测定的化学理论依据，终点仪的工作原理和结构。
The working principle and construction of an instrument based on absorption spectrometry for on line detection of impurity eliminating end point in Li series polymerization are discussed.
研制了一台以吸收光谱法为基础的锂系聚合反应破杂终点在线测定仪。讨论了终点在线测定的化学理论依据，终点仪的工作原理和结构。
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