Hall coefficient depends on electronic concentration and the relative values of empty hole concentrations and their migration rate in the semiconductor.

而霍耳系数取决于半导体材料中电子浓度和空穴浓度的相对大小及其迁移率之比。

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An electronic apparatus for measuring cell electrophoretic migration time is described.

该文介绍了一种自制的细胞电泳电子计时装里。

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