donor level

基本解釋

Iron introduces a donor level into silicon at 0.40 ev from theva lence band observed both in crystals doped in the melt and incrystals into which iron was diffused at 1200'C.
1200攝氏度0.40電子伏下從價帶中觀察不管是在熔體中的晶體摻雜還是鐵擴散，都能發(fā)現(xiàn)硅中的鐵引入了深能級。
It was agreed that the Blood Donor Program must continue to operate at its present level (300,000 bleedings per month) and that plasma processing facilities be used without interruption.
與會者一致認為獻血計劃必須繼續(xù)運行在目前的水平（30萬每月性出血量）和血漿處理設施必須不間斷地被使用。
The study mainly include the aggregation behavior of hemicyanine derivatives in LB films, the influence of the donor acceptor on the excited level and excited lifetime of the hemicyenine derivatives.
主要包括半花菁衍生物在LB膜中的聚集特性；親水基團與疏水基團對半花菁衍生物激發(fā)態(tài)壽命的影響等。

Assist the Senior programme staff in the search for additional financial resources, in collaboration with UNESCO Headquarters through the compilation of programmes and project portfolios, conduct research of financial resources interested in the Member States of SEE, through contacts with prospective donor agencies and countries at the appropriate level, as well as in the preparation of promotional materials and publications of reports.
UNESCO: OFFICE IN VENICE