３．２新型微球源的研制杜鸿善，颜素娟，白勇，李桂花，李俊兰随着核事业的发展，对特殊放射源需求有所增长，如直径为０．５ｍｍ微球源。制备这类源的主要困难在于源的体积小，比活度高，而且要求牢固和稳定。应清华大学的要求，在合成高聚物技术的基础上，探讨了制备高... 3.2 Development of a new microsphere source Du Hongshan, Yan Sujuan, Bai Yong, Li Guihua, Li Junlan With the development of nuclear industry, the demand for special radioactive sources has increased, such as the diameter of 0.5mm microsphere source. The main difficulty in preparing such sources is their small size, high specific activity, and their requirement for firmness and stability. At the request of Tsinghua University, on the basis of synthetic polymer technology, we discussed the preparation of high ...