结果表明，液氮处理后纤维素的侧序分布、结晶度、微晶尺寸、晶格形态都发生深刻的变化。
The resultsshowed that after the treatment of cellulose with L-NH3, the lateral order distribution, crystallinity, crystallite size and lattice form of cellulose were dramatically changed.
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。
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.
笔者研究了换流阀三角形侧零序环流对阀短路保护误动作的影响。
This paper studies the influence of converter transformer D-bridge zero sequence circulating current on valve short circuit protection.
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