电子束

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。

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。

After the electron beam had been shifted away, the rhombohedral structure was restored.

电子束移开后，又恢复到原来的菱面体结构。

When the film was irradiated by electron beam, the rhombohedral structure was transformed into monoclinic structure.

电子束辐照后，LSMO薄膜从菱面体结构向单斜结构转变。

Treatment, particularly for the severer forms of EB has developed in recent years with consequent improvements in the quality of life for many people with EB.

治疗，特别是为更严厉的形式对EB发展在近年来与相应的改善，生活质量的很多人与电子束。

From the variation equation,the Gauss trajection equation in the deflected optical axis coordinate is given.By computer calculation,the factors affecting electron beam deflection is analysed.

由变分方程出发，给出了偏转时曲光轴坐标中的高斯轨迹方程，并对方案进行了计算机模拟，分析了各种因素对于偏转电子束的影响。

The development of a broadly tunable excimer laser source by exploiting bound-free transitions of electron beam-pumped diatomic and triatomic are gas halides is described.

宽带可调谐准分子激光源，是电子束泵浦的双原子和三原子稀有气体卤化物通过束缚-自由跃迁产生的。

Irradiation effects of electronic beam generated by ИЛУ-6М2 electron accelerator on adult, egg, larvae, and pupae of Tribolium castaneum were studied.

采用了ИЛУ-6М2型电子加速器产生的电子束对赤拟谷盗Triboliumcastaneum成虫、卵、幼虫和蛹进行了辐照效应试验。

The effects of the dynamic electron beam irradiation on insects as Sitophilas Oryzae Linnaeus, Rhizopertha dominica Fabricius and Tribolium Herbst hidden in stored bulk wheat and the quality of irradiated wheat were investigated.

利用电子束动态辐照的方法对我国南方主要储粮害虫米象、谷蠹、赤拟谷盗等的辐照感应性及致死剂量进行了研究，同时对辐照后小麦的品质进行了分析。

Electronic beam ; irradiation ; Tribolium castaneum

电子束；辐照；赤拟谷盗

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。