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３．３大面积α屏栅电离室的改进及应用杨大亭，夏益华，刘玉莲，金荣华本工作对圆柱型和平行板α屏栅电离室进行了八项改进，使之结构简单操作方便，运行成本降低（循环式需要人工昼夜加液氮），测量不受潮湿天气影响，工作稳定，并应用改进后的流气式（在１．８２×１０...
3.3 Improvement and Application of Large Area α Grid Ionization Chamber Yang Dating, XIA Yihua, LIU Yulian, JIN Ronghua Eight improvements have been made to the cylindrical and parallel plate α-screen ionization chamber to make the structure simple and easy to operate and the operation cost Reduce (circulatory need artificial day and night plus liquid nitrogen), the measurement is not affected by damp weather, work stability, and application of improved flow gas (at 1.82 × 10 ...