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phototube n.【無線電】光電管。

phototype

The multiplication system of the electron - multiplier phototube is based on electronic voltage . so , it is especially important to choose a suitable pmt and reasonably design pmt disparted - voltage - device 經分析比較各種型號光電倍增管的性能及特點,本文采用emi公司雙堿陰極的9789qb管型光電倍增管。

Detail specification for electronic components phototube of type gd - 24 電子元器件詳細規范. gd - 24型光電管

These electrons cannot pass into the phototube because of the insulation on the metal plate . 由于金屬板上的絕緣層,這些電子并不能進入電光管。

The electrons freed in the phototube cross over to the metal rod . 光電管中被釋放的電子從金屬片渡越到金屬桿上。