英语释义

1. an electron tube having a photoemissive cathode whose released electrons are drawn to the anode by reason of its positive potential

片语

phototube multiplier光电倍增管

photoelectric cell光电池，光电管

phototube photometer光电管光度计

cesium phototube铯光电管

Trinocular Phototube有无三眼照相观察镜筒

gas phototube气体光电管

vacuum phototube[电子] 真空光电管

microwave phototube微波电管

optoelectronic cell光电池；光电管

measuring phototube测量用光电管

英汉例句

• these electrons will not pass into the phototube because of the insulation on the metal plate.

  由于金属板上有绝缘层，这些电子不能进入光电管。

• a simple method for determining absolute sensitivity of phototube is described.

  本文描述了测定光电管绝对灵敏度的一种简单方法。

• one method of measuring fluorescence by multiplier phototube is proposed in this paper.

  提出了一种用光电倍增管测量荧光的方法。

• phototube ad conversion, steering duty cycle, pwm-driven motor, the hall element to modify the details of gun parts.

  光电管ad转换，舵机占空比，pwm驱动电机，霍尔元件测速部分细节自行修改。

• 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.

  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。

• by using digital millisecondmeter and phototube instead of manual operation, the improved trilinear pendulum experimental device improves measuring precision.

  本文介绍了三线摆测物体转动惯量实验中用光控数字毫秒计测量周期的方法，提高了测量精度。