电子束

The coherent electron micro-diffraction from a translation domain boundary perpendicular to the direction of the incident beam was studied. The qualitative and analytical descriptions are given to reveal the phenomena on the breakdown of center symmetry and an appearance of the forbidden diffraction spots.

对垂直电子束方向的畴界的特征，进行了实空间法的准动力学的理论推导，给出了对称性的定性描述，同时用动力学多层法程序对一些上下畴界进行了模拟；对出现的斑点不消光，中心对称的破损，镜面对称的破损等给出了定性的实空间法的动力学的理论的解析描述。

The actual results show that the centroid position error can be controlled in one to two pixels.

该处理方法在实际应用时能够将电子束质心位置的误差控制在1～2个像素内。

Result The support membrane on carrying network prepared by two-step method and observed under electron microscope was fibrous-porous. The ultrathin Formvar membrane without collodion was obtained through repeated irradiation with electron beam.

结果］两步法制备的载网支持膜在电子显微镜下观察呈现多孔纤维状，经电子束反复照射，获得去除火棉胶的超薄福尔瓦膜。

60Co γ-rays and electron beam irradiation induced degradation of an azo dye Congo Red were presented in this paper.

利用60Coγ射线、电子束辐照刚果红水溶液，研究其降解行为。

The main conclusions obtained from the present study are summarized as following:1 An Al-Ni-Rh decagonal quasicrystal with 1.6 nm periodicity, which can be formed as main phase in the rapidly solidified Al75Ni15Rh10 alloy was found and its quasiperiodic and periodic features viewed respectively along the five- and two-fold axes were revealed by HREM.

利用能量计算、高分辨观察像以及高分辨像模拟计算结合的方法确定了复杂结构合金相ξ\'-和ξ-Al-Ni-Rh中缺陷的结构，并且讨论了电子束对复杂合金相的影响。

In a this tube pair of deflection plate, besides demonstration electron under electric field role deflection movement, but also played causes the beam convergence the function, if causes two deflection plates the electric potentials to be lower than the acceleration extremely electric potential approximately 30 volts, then the focusing condition is best.

该管内的一对偏转板，除了演示电子在电场作用下的偏转运动外，还起了使电子束会聚的作用，如使两偏转板的电位低于加速极电势约30伏，则聚焦状态最佳。

The structure of the electron beam focusing and deflection system of electron beam exposure machine is analysed with computer-aided design.

由该电子束曝光机试验结果表明，复合系统结构简单紧凑，像差小而可以不用动态校正。

Penetrating depth and dose distribution of electron beam in flue gas can influence efficiency of desulfurization and denitration.

电子束在烟气中穿透深度和剂量分布将直接影响废气中硫、氮氧化物的脱除效率。

Numerical research on the destructibility of pulsed electron beam to materials.

脉冲电子束对材料破坏效应的数值研究。

Numerical analytics on the destructibility of electron beam to graphite thermometer.

石墨量热计在电子束辐照测量中的破坏性分析。

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。