查询词典 photocathode

The photocathode is coated with sensitive gallium arsenide, which allows for a more efficient conversion of light to electrical energy at extremely low levels of light.

其表面镀上一层很敏感的砷化镓光电阴极涂层，，在极弱光线下它能使光更有效的转化为电能。

The principle, application value ,characteristic,and developing trend of TiO2 as photocathode protection material was introduced.

介绍了TiO2作为光阴极保护材料的原理、应用价值、特点以及今后发展的趋势。

ABSTRACT Because of its high photoemission performance, gallium arsenide negative electron affinity photocathode has been develo...

砷化镓负电子亲和势光电阴极由于优异的性能，自60年代发现以来，获到了迅猛发展和广泛研究。

In the activation process, only the first admitted Cs quantity brings the GaAs surface zero electron affinity state can the NEA photocathode be reached.

在交替过程中，导入过量的Cs量也是必要的，不仅能获得较高的灵敏度，而且有利于提高阴极的稳定性。

ABSTRACT Because of its high photoemission performance, gallium arsenide negative electron affinity photocathode has been developed rapidly and researched widely since it was found in 1960's.

砷化镓负电子亲和势光电阴极由于优异的性能，自60年代发现以来，获到了迅猛发展和广泛研究。

A novel infrared-sensitive streak image tube with a combined infrared photocathode and electrostatics focused electronic optical system is described.

介绍了一种采用组合红外阴极和静电聚焦电子光学系统的新型红外扫描变像管。

To obtain high average current electron beams for high average power Free Electron Laser, a DC-SC photocathode injector is designed.

为获得用于高平均功率自由电子激光的高平均流强电子束，设计了一种新型的DC-SC光阴极注入器，并对其进行了优化设计和束流动力学研究。

The performance of Au photocathode has been characterized for use with grazing incidence soft x-rays.

在超快诊断中，诊断设备分幅像管的阴极效率一直是一项工艺上需要提高的参数。

The spectral response performance of transmission-mode GaAs photocathode after high-temperature activation and low-temperature activation was measured by the use of on-line spectral response measurement technology, and the integral sensitivity and spectral response performance parameters of the GaAs photocathode after high-temperature activation and low-temperature activation were compared.

利用在线光谱响应技术，对透射式GaAs光电阴极在高温激活和低温激活后的光谱响应特性进行了测试，计算并比较了高温激活和低温激活后阴极的积分灵敏度和光谱响应特性参数。

Variations of spectral response curves of GaAs photocathode with time were obtained,and performance parameters of decayed photocathode were calculated.

利用光谱响应测试仪对激活后的反射式GaAs光电阴极进行了稳定性测试，获得了阴极随时间变化的光谱响应曲线，并表征了阴极在衰减过程中的性能参数变化。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。