查询词典 photoemissive

This is an innovative academic thought, and it will promote the application of nanoparticle composite photoemissive thin film.

这是一种具有学术价值的创新思路，将为纳米粒子复合光电发射薄膜的进一步实用化奠定基础。

The effect of the tube making Technique on the photoemissive property of the photocathode is described.

主要论述制管工艺对光电阴极发射性能的影响。

Since photoemissive materials are very inefficient, the time that the pinhole has to look at the point source in order to collect enough electrons tends to make image dissectors rather slow digitizers.

由于光电发射材料效率是非常低的，要收集到足够的电波，解析器背后的小孔发光就为不得不依赖于图像的点源，这使图像解析器成了非常慢的数字转换器。

Metallic nanoparticles complex thin film is a new kind of promising photoemissive thin film because of its perfect photoemissive properties and extremely fast optical response.

金属纳米粒子/介质复合薄膜因其优良的光电特性和超快响应而成为应用背景很强的光电功能薄膜。

A DC high brigytness laser driven by photoemissive electron gun is being developed at Peking University,in order to produce 50～100ps electron bunches of high quality.

采用激光驱动光阴级和100kV直流加速间隙可产生宽度为50～100ps的高亮度脉冲电子束。

To improve the photoemissive sensitivity of nanoparticle composite photoemissive thin film and to fill the blank of rare earth application research in the field of photoemissive material, the rare earth elements are introduced into nanoparticle composite photoemissive thin film in the first time.

本文以纳米粒子复合光电发射薄膜需要进一步提高光电灵敏度为出发点，以稀土元素独特的性质及其应用研究在光电发射材料方面的空白点为切入点，首次将稀土元素引入到纳米粒子复合光电发射薄膜中，对现有的纳米粒子复合光电薄膜的光电发射性能进行改善和提高。

The metallic nanoparticle-semiconductor composite thin films are considered as the only photoemissive material that can be used to detect the ultrashort laser pulses.

金属纳米粒子／半导体介质复合薄膜在近红外-可见-近紫外波段的选择性光吸收主要由金属纳米粒子体内导带电子的表面等离子激元共振吸收引起。

With the aid of baffle movement,a technique named masking pretreatment and the method of vacuum deposition have been used to fabricate the Ag-O-Cs photoemissive thin films with internal field-assisted structure for the first time.

通过掩膜预处理和挡板转移技术的配合，利用真空沉积方法首次制备了内场助结构Ag-O-Cs 光电发射薄膜。

The nanoparticle composite photoemissive thin film, with ultrafast photoelectric response speed that is more than 10〓 folds faster than normal semiconductor photoemissive materials, is a promising material for detecting super-short laser pulses.

纳米粒子复合光电发射薄膜具有优于目前半导体光电材料三个量级以上的超快飞秒光电响应速度，是可用于检测脉宽短至飞秒的超短激光脉冲的光电材料，在现代光通信朝着超快信息流传输方向发展的形势下有很好的应用前景。

Photoemissive materials are now used forgenerating high brightness electron bea■s.Drivenby short-pulsed laser,these new cathodes willmeet the requirment of large rf-driven freeelectron lasers.

为了满足射频直线加速器及其驱动的大功率自由电子激光器研究的需要，以脉冲激光激发光电发射材料产生高亮度电子束的研究正日益受到重视。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。