路径依赖的过程实际上是一个“反应序列”(reactive sequence)。“关键时刻”的原始事件触发一系列互为因果的临时反应措施,从而产生一个不间断、自加强的反应链条,形成一条持续延展的路径。
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This control principle can improve the control of power quality and effectively compensate the harmonic currents at load side, reactive power and negative sequence current.
该控制方法能改善系统电能质量的调节,有效地补偿负荷侧谐波电流、无功功率和负序电流。
Harmonics, reactive power, voltage flicker and negative-sequence current of power grids can affect the power quality and harm the power equipment badly.
电网中存在谐波、无功、电压闪变及负序电流等问题,严重影响电能质量,危害电力设备。
Objective To establish a method of high resolution DNA typing for HLA B40 cross reactive groups (CREG) in Chinese with polymerase chain reaction with sequence specific primers (PCR SSP).
目的采用顺序特异引物聚合酶链反应技术(PCRSSP),建立汉族人群HLAB40交叉反应组高分辨度dna分型方法。
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