bombardment ion beam density 轰击离子束密
distribution of ion beam density 束流密度分布
ion beam-density drift instability 离子束流
ion beam-density drift instabilities 离子束流
ion beam current density [核] 离子束流密度
ion beam s density 离子束密度
ion beam ' s density 离子束密度
ion beam flux density 离子束流密度
density of ion beam 束流密度
It is suggested that the instability is excited in the low density plasma when the electron beam drift velocities exceed the ion acoustic speed.
不稳定性产生的可能机制是由于电子束穿过低密度本底等离子体的漂移速度超过离子声速而激发起来的。
The distribution of the extraction apertures is made to compensate the Gaussan of the ion beam current density.
使引出孔的分布补偿束电流密度的高斯分布。使参数匹配并实行程序控制。
The ion energy and the density of beam flux of cold cathode ion source were measured by pentagrid probing and Faraday cup.
采用五栅网离子能量测量装置和法拉第筒测量了宽束冷阴极离子源的离子能量和离子束流密度。
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