He had a tube with electrodes potted in it filled with atomic hydrogen. And by applying a voltage, he was able to get the gas to glow.
他有一根装着电极的管子,里面充满了氢原子。通过施加电压,他能够使气体发光。
And so if he gets the voltage high enough, this gas discharge tube will glow.
如果管中的电压足够高的话,气体放电管将会发光燃烧。
Electrons are accelerated by making the voltage of each successive dynode of the tube more positive than the previous one.
使每个连续的光电倍增管电极的电压都比它前面一个电极的电压更高,这样电子就得到加速。
With 12 LED digital display, can show the tube voltage, current and count value.
具有12位LED数码管显示,可分别显示电压、电流、计数值。
According to the company, the large and heavy vacuum tube-based traveling wave tube amplifiers cannot be effectively replaced by GaAs transistors because they a much lower breakdown voltage.
根据公司的消息,真空管将不会被砷化镓晶体管取代。
Discharge tube: a closed insulating vessel containing a gas at low pressure through which an electric current flows when sufficient voltage is applied to its electrodes.
放电管:装有低压气体的封闭绝缘容器,当电极有足够的电压时,通过它电流就开始流动。
The easiest way to accomplish this is to apply a potential across the entire tube and tap the dynode voltages off a voltage divider, as shown in Figure 4-13.
做到这一点最容易的方法是给整个光电倍增管的两端加上一个电压,然后从一个分压器的各个抽头取得供给各个倍增管电极的电压,如图4 - 13所示。
A high voltage gating switch of variable delay for photomultiplier tube has been fabricated.
介绍了一种用于光电倍增管的可变延迟高压门控开关电路。
Numerical solutions of discharge voltage and current pulses on each capacitors and laser tube in the circuit are in good agreement with the experimental ones.
数值求解了电路中各电容器和激光管的放电电压和电流脉冲波形,得到了与实测波形一致的模拟结果。
Influence of Ne pressure, input voltage, wall temperature and discharge tube atmosphere on optimal delay of the CVL oscillator - amplifier chain is studied.
本文研究了氖气压、输入电压、管壁温度和放电管气氛对铜蒸气激光器振荡—放大链最佳延时的影响。
Objective:To obtain suitable digital radiologic exposure factors of CR and DR by measuring stability of their X-ray tube voltage and exposure time.
目的:通过测试数字成像设备的X线机管电压和曝光时间稳定性,探讨数字成像摄影条件的选择原则。
Step five: tune the final stage power transistor quiescent current, the current value of the power tube by measuring the voltage of the emitter resistance Converter and get.
第五步:调末级功率管的静态电流,该电流值可以经由过程测功率管的发射极电阻的电压换算而得到。
Results and Conclusion the experimental results indicate that the output pulsed high voltage of the generator can meet the demand of the cold cathode X-tube.
结果与结论实验表明该发生器的输出脉冲高压能满足冷阴极射线管的要求。
Electrodes inside each end of the glass tube are connected to a high-voltage source.
玻璃管两端内侧的电极与一个高压电源相接。
The remainder molecules in the vacuum tube will be ionized by X-ray irradiation, the ionization current can be detected at a constant DC voltage.
利用X射线对气体分子的电离作用,在一定电压下用一束X射线照射真空灭弧室,使灭弧室内产生电离电流。
For high voltage switching (above 500v), the glass tube is evacuated.
对于高电压开关(高于500V),玻璃管则是被抽空的。
We can use SPWM to control power tube on or off, can use the double-loop control with the inductance current inner loop and capacitor voltage outer loop is introduced.
可采用SPWM控制功率管的关闭与导通,采用外环电压环,内环电流环的双环控制。
Conclusion Radiation injuries may effectively decreased with reducing X-ray tube voltage and exposure level under the precondition of X-ray image quality to be guaranteed.
结论在保证X线图像质量前提下,降低X射线管电压和曝光量,可以有效地减少放射性损害。
On the grounds of the pinch-off voltage, the cut-off point of variable resistance area and saturation area can be fixed, so the field effect tube can reliably work in the saturation area.
根据夹断电压能确定可变电阻区与饱和区的分界点,使场效应管可靠地工作在饱和区的原理。
The high voltage endurance test device for switch tube is composed of high voltage pulse generator, high voltage breakdown detector, trigger, auto-controller and DC/AC converter.
开关管冲击耐压装置由高压脉冲产生器、击穿检测器、触发器,及自动控制器、DC/AC变换器等构成。
Dynamic focus voltage error of projection display system was studied in this article. Parabola dynamic focus method, projection tube shape and optics processing were analyzed.
从投影显示系统典型的动态聚焦方法与投影管特殊的荧光屏结构以及光学处理等方面对投影显示系统的动态聚焦电压误差进行研究。
The dependence of the intensity of grazing emission X-ray fluorescence on the anode voltage of X-ray tube has been investigated.
文章探讨掠发射X射线荧光强度与X射线管阳极高压的关系。
A tube or circuit designed to amplify both voltage and current.
为放大电压和电流两者而设计的一种电子管或电路。
Results Optimal tube voltage and milliampere parameters of the full-length leg projection was acquired in terms of the distribution of spatial resolution under different parameters of exposure.
结果根据不同摄影参数下的空间分辨率分布情况,获取优化的CR下肢全长摄影的管电压和毫安量参数。
Caused high dose is mainly due to fluorescence exposure time, film number and the use of lower tube voltage of DSA.
引起高剂量的原因主要是荧光照射时间、拍片数量和DSA中较低管电压。
Results the pixel mean value of the image in region of interest was not influenced by the exposure tube voltage or mAs.
结果感兴趣区像素值均值基本不随管电压和毫安秒的变化而改变。
Under the oxygen activation mode of pulse way, there are two ways to control neutron-emitting :1)neutron tube anode high voltage control, 2)neutron tubetarget voltage control.
在脉冲方式的氧活化工作模式下,控制中子发生器发射中子的方式有两种:控制中子管阳极高压或控制中子管靶压。
Regard: The hot injection molding technology have great potentialities to produce the aluminum oxide electricvacuum ceramic tube, which will be used in higher or low-voltage circuit.
重点对热压铸成型工艺控制进行了论述,热压铸成型工艺用于中、低压领域的氧化铝陶瓷真空管的生产,具有潜力可挖。
NCP1205 is applied to the interleaving paralleled backward circuit to reduce the switch tube power loss and output voltage ripple, to enhense the circuit efficiency.
文中介绍了NCP1205的工作原理和主要特点,并将其应用于交错并联反激电路中,大大减小了开关管的开通损耗,减小了输出电压纹波,提高了电路效率。
Photomultiplier Tube (PMT) modules combine a PMT with a high voltage supply and often other signal processing electronics.
光电倍增管(PMT)模块结合了一个高压电源光电倍增管,并往往结合其他信号处理电子器件。
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