若就微观探讨电路板通孔，可由二次电流分布(Secondary Current Distribution) 及三次电流分布(Tertiary Current Distribution)来说明，主要受槽液之电阻、电极极化、质量传递速率、铜 离子的浓度等复杂因素影...
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A mathematical model of secondary current distribution for the gas-evolving electrode is presented on the basis of mass balance and voltage balance.
根据质量平衡和槽电压平衡原理，提出了析气电极电流分布的数学模型。
As the main flow manner of formation water in deep reservoir, circulated convection current controlled authigenic mineral location and secondary pore distribution.
循环热对流是深部储层流体的主要流动方式，它控制着自生矿物在砂层中的析出位置和次生孔隙的分布特征。
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