Anh
concentration of impurities
Đức
Störstellenkonzentration
Pháp
concentration d'impuretés
concentration d'impuretés dopantes
dopage
Störstellenkonzentration /ENG-ELECTRICAL/
[DE] Störstellenkonzentration
[EN] concentration of impurities
[FR] concentration d' impuretés; concentration d' impuretés dopantes; dopage