搞什麼啊.....
SIMION Einzel Lens Example - SIMION® Ion and Electron Optics Simulator搞什麼啊.....Demonstration of an einzel lens simulated using SIMION 3D. ... This article demonstrates the einzel lens simulation distributed with SIMION. The purpose of an einzel lens is to focus ions. Focusing is achieved with an electrical field whose potential ener...
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