描述了这两种光电倍增管的各单项性能。
The performances of the two kinds of EMI PMTs are described here.
提出了一种用光电倍增管测量荧光的方法。
One method of measuring fluorescence by multiplier phototube is proposed in this paper.
介绍一种从光电倍增管倍增极引出快信号的电路。
A circuit for taking out timing signal from one dynode of photomultiplier is described.
光电倍增管可将光能转变成易于操纵或测量的电流信号。
The photomultiplier converts the light energy signal into an identical electrical signal that can be easily manipulated and measured.
当光线进入光电阴极的光电倍增管，光电子从阴极发出。
When light enters the photocathode of a photomultiplier tube, photoelectrons are emitted from the photocathode.
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。
A high voltage gating switch of variable delay for photomultiplier tube has been fabricated.
一个光电倍增管，用来探测从镭放射源中随机发射的光子；
A photomultiplier tube, to detect the random photons thatemanate from the radium source.
在传统的PET设备上使用的光电倍增管对磁场非常的敏感。
The photomultiplier tubes used in conventional PET machines are very sensitive to magnetic fields.
光电倍增管将光信号转换成电信号，经微电流放大纪录下来。
The photomultiplier tube converts the optical signal into an electrical signal which is recorded by the micro current amplification.
当中微子和液体反应后，产生的束光就会被液体周围一堆的光电倍增管所接收。
When a neutrino strikes the liquid, a flash of light is produced that is then picked up by a bank of photomultiplier tubes around the liquid.
自光电倍增管而下测量系统由脉冲放大、整流、积分和计数器等组成。
The measuring system consists of a pulse amplifier, a rectifier, an integrator, and a pulse counter.
这个探测器是由两层氧正硅酸镥晶体晶体和位置灵敏型光电倍增管组成。
The detector consists of two layers of LSO crystals and a position sensitive photomultiplier tube .
同时，利用光电倍增管和示波器，研究了铕离子及其螯合物的荧光寿命。
At the same time, the fluorescence lifetime of Eu3 + chelates was studied by using PMT and oscillograph.
本文介绍光电倍增管在流场速度测量中的特点及重要性，给出了实验系统。
The properties and importance of photomultiplier in measuring flow field rate are introduced and an experimental system is presented.
本实用新型属于电学技术领域，具体讲涉及光电倍增管微弱信号处理电路。
The utility model pertains to the technical field of electricity, in particular relates to a processing circuit for weak signals of a photoelectric multiplier.
实验比较了高计数率下三种光电倍增管电压供给方式的增益变化和温度效应。
The gain stabilities and temperature effects were experimentally for three different bias voltage supply modes to photomultipliers at high counting rates.
适合微光探测应用，光电倍增管（PMT）提供极高的灵敏度和超快速响应。
Suitable for low-light-level detection applications, the photomultiplier tube (PMT) provides extremely high sensitivity and ultra-fast response.
在闪烁瓶和光电倍增管之间放置不同的滤光片以改变液体闪烁探测器的效率。
The efficiency of a liquid scintillation detector may be varied by placing different optical filters between the vessel and the phototube.
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.
事件的响应输出取决于光电倍增管对于事件发生位置的光收集效率和事件的能量。
The response output depends on the light collecting efficiency in the position where the event happens and the energy of light quantum.
由于要测量的电流非常弱，所以用光电倍增管测量光的应用工作通常需要使用皮安计。
Applications such as measuring light with a photomultiplier tube generally require the use of a picoammeter due to the low current levels involved.
保持各个光电倍增管的增益一致性对正电子发射断层成像（PET）的质量至为重要。
To make all PMTs' gains identical through auto-adjustment is important for ensuring the PET imaging quality.
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.
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。
Electrons are accelerated by making the voltage of each successive dynode of the tube more positive than the previous one.
光电阴极的构成决定光谱响应、每种波长的量子效应、光电倍增管灵敏度的均一性和暗电流。
The photocathode composition determines the spectral response, the quantum efficiency at each wavelength, the overall uniformity of photomultiplier sensitivity, and the dark current.
介绍了飞秒激光加工光电倍增管电极，修复光刻掩膜，诱导白炽灯丝阵列微孔等一些工业应用。
Some industrial applications including micromachining dynodes of photomultipliers, repairing photomask of lithography, fabricating array micro-holes in incandescent filaments, etc. are introduced.
由于IC CD器件的成本较高，本论文设计了用光电倍增管进行增益调制的原理验证性实验。
As ICCD device costs high, based on analysis of existing photoelectric detector, we choose photomultiplier tube as a substitute for the principle verification experiment.
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。
Photomultiplier Tube (PMT) modules combine a PMT with a high voltage supply and often other signal processing electronics.
用CCD检测仪取代了常用的光电转换器件——光电倍增管，通过与光栅结合实现了光谱的快速分析。
The CCD detector was used to take place of the photomultiplier which was widely used as the optical-electrical converter, and the fast analysis of the spectrum was realized by incorporating a grating.
用CCD检测仪取代了常用的光电转换器件——光电倍增管，通过与光栅结合实现了光谱的快速分析。
The CCD detector was used to take place of the photomultiplier which was widely used as the optical-electrical converter, and the fast analysis of the spectrum was realized by incorporating a grating.
应用推荐