点发射超软X射线在中国仓鼠脾细胞中的比释动能分布  

DISTRIBUTION OF THE KINETIC ENERGY RELEASED IN CHINESE HAMSTER SPLENETIC CELLS FOR INCIDENT ULTRASOFT X RAYS FROM A POIT SOURS

作　　者：靳朝庆[1] 刘漪[2] 

机构地区：[1]中国科学院新疆物理所,乌鲁木齐830011 [2]新疆医科大学,乌鲁木齐830054

出　　处：《辐射研究与辐射工艺学报》2000年第4期290-295,共6页Journal of Radiation Research and Radiation Processing

摘　　要：依据Ｘ射线在介质中传输、衰减和能量转移的特性，用能谱积分和等效能量两种方 法，计算了近似点发射混合能量的超软 Ｘ射线（０．９～１．５５ｋｅＶ）在中国仓鼠细胞表面的比释动 能，计算结果相差约１５％。通过中国白鼠脾细胞的化学组成，获得该软Ｘ射线束在脾细胞中的 比释动能分布。The kinetic energy released in Chinese hamster splenetic cells for incident ultrasoft X rays with the energies from 0.9 to 1.55keV, which were from a laser-plasma X ray source, was calcualted by resorting to the energy spectrum integration method and the equivalent energy approach, respectively. In the calculations, the X ray transmission, attenuation, and energy transfer in the biological material were considered. A difference between the two calculations was found to be about 15%. The distribution of the kinetic energy relased in material (kerm) in the cells was also estimated using the chemical composition of the cells.

关 键 词：超软X射线 比释动能计算 中国仓鼠 脾细胞 

分 类 号：Q691.5[生物学—生物物理学]