一种是光电摄象管,它有三个基本部件- -嵌镶光电阳极、集电环和电子枪。
One type is the iconoscope . it contains three essential parts - - a mosaic , a collector ring and an electron gun.
甄别电压外推到零时的计数率随光电倍增管阳极电流而改变,当阳极电流的倒数趋于零时,计数率趋于被测源的活度。
The count rate at the extrapolation of bias to zero varies monotonously with the anode current of phototube and tends to the activity of source as the inverse anode current approaches zero.
表面处理。铝和阳极氧化的铝合金。总反射率的测定。光电反射计法。
Surface treatments. Anodized aluminium and aluminium alloys. Measurement of total reflectivity using a photoelectric reflectometer.
这些光电子通过倍增器电极时由于次级电子发射而倍增,然后被阳极收集成为一个输出脉冲。
These photoelectrons are multiplied by secondary electron emission through the dynodes and then collected by the anode as an output pulse.
光电管:一种固体探测器,有一个对光灵敏的阴极,受到光照时能发射电子,还有一个用于收集所发射电子的阳极。
Photocell: or photoelectric cell, or electric eye; Solid-state device with a photosensitive cathode that emits electrons when illuminated and an anode for collecting the emitted electrons.
光电倍增管的增益,是阳极输出电流和光电阴极中光电流的比值,直接关系到电源电压。
The gain of the PMT, that is the ratio of anode output current to the photoelectric current from the photocathode, is directly related to the supply voltage.
大多数光电倍增管都要求其阳极到阴极的电位在1000V到3000V 之间。
Most photomultiplier tubes require anode-to-cathode potentials of from 1000 to 3000V.
在实验过程中,光电化学催化反应器中的阳极偏压由双显恒电位仪提供。
A bias-voltage between two electrodes is supplied by a potentiostat in the experiment.
在实验过程中,光电化学催化反应器中的阳极偏压由双显恒电位仪提供。
A bias-voltage between two electrodes is supplied by a potentiostat in the experiment.
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