Under DC voltage the restraint and time lag phenomena of partial discharge (PD) in cavities or oil gap by X ray irradiation were investigated.

直流电压下X射线对气隙、油隙放电的激发过程存在明显的“滞后”现象，即：正极性电压下X射线照射首先抑制放电的发生；

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The results show that the rainfall change is the main cause of affecting the discharge of the artesian province, there exists a lag time of 11 years between them;

结果表明，大气降雨变化是影响神头泉流量变化的根本原因，其间存在着11年的滞后时期；

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For the features of disc proportioning system's lag and discharge rate's fluctuation, applying time series analysis, a disc discharge rate prediction model based on ar model was set up.

针对原料场圆盘配料系统下料量检测滞后和料量随堆料机进退变化较大的特点，应用时间序列分析方法建立了基于AR模型的圆盘下料量预测模型。

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