Derived the formula for computing quadratic harmonics of output current in the single phase unit power factor ac DC converter based on analysis of the circuit module of the equivalent current source.
在基于对等效电流源电路模型分析的基础上，推导出了单相单位功率因数变流器输出电流二次谐波的计算公式，将输出二次谐波电流正、反向交替注入交流输入侧来抵消电流中的谐波。
Reaction temperature as major factor on consumption of acetic acid was found by analysis of operation of PTA unit.
通过对PTA(精对苯二甲酸)装置影响醋酸消耗的分析，认为反应温度对酸耗影响最大。
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