A high reverse bias voltage creates a strong internal electric field, which accelerates the electrons through the silicon crystal lattice and produces secondary electrons byimpactionization.
一个高反向偏置电压产生一个强有力的内部电场，加速了通过硅晶格的电子，并通过碰撞电离产生二次电子。
2
The study of atomic inner-shell ionization cross-sections by low-energy electron impact is significant in both theoretical researches and practical applications.
低能电子碰撞原子内壳层电离截面测量的研究在理论和实际应用方面都具有重要意义。
3
Mass spectra (MS) of cholesterol esters and halides were obtained by means of Electron Impact (EI), Field Desorption (FD) and Chemical Ionization (CI).