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- atom beam distribution 原子束分布
- A theoretical model of CO2 laser cutting non-metal materials is built up based on energy balance equation in view of gauss beam distribution. 基于能量平衡方程,考虑高斯光束分布,建立了CO2激光切割高吸收率非金属材料的解析模型。
- Aimed at nonuniform line lase beam distribution caused by Gaussian distribution of incident fundamental mode, a method based on aspheric column lens is presented in this paper. 摘要 针对基模能量高斯分布造成的激光标线器线斑能量分布不均匀的问题，提出了一种非球面柱透镜的解决方法。
- Application of metastable helium atomic beam in nanostructures fabrication[J]. 引用该论文 陈献忠;姚汉民;陈旭南.
- Doppler laser cooling of chromium atom beam 铬原子束的激光多普勒冷却
- Abstract: Two new methods using metastable helium atomic beam to fabricate nanostructures are introduced. 摘 要： 介绍两种用亚稳态氦原子束制作纳米结构的新方法。
- The signals of multiphoton ionization of refratory metal atoms obtained with the pulsed atomic beam were observed and their detection was discussed. 利用这种脉冲原子束实现了难熔金属原子的多光子光电离实验,并讨论了光电离信号探测的问题。
- The atom bomb is of catholic concern. 原子弹受到普遍的关注。
- That cannot get up an atom of sympathy for them. 那并不能激发起人们对他们的丝毫同情。
- Scientists have unlocked the secret of the atom. 科学家已经揭开了原子的秘密。
- She performed on the balance beam with much grace. 她在平衡木上表演得非常优美。
- The particles in an atom are infinitely small. 原子里的粒子极小。
- The beam of the searchlight pierced the darkness. 探照灯的光柱射入黑暗中。
- His answer was right on the beam. 他的答案完全正确。
- There isn't an atom of truth in the rumour. 谣言中没有丝毫的真实性。
- An atom bomb would destroy a city. 一颗原子弹能摧毁一座城市。
- Spatial Beam Distribution of Vacuum Arc Ion Source in Accelerating Area 真空弧离子源引出束流在加速空间的分布
- The distribution of the magazine is 2000. 该杂志的销售量为2000份。
- Study on Quasi-monochromatic Metastable Helium Atom Beam Source System 准单色亚稳态氦原子束源系统研究
- He struck the beam with his head. 他的头撞到梁上了。
