单词beta particle
na.: 【物】β粒子
β粒子；贝塔粒子:
a fast-moving electron that is produced when some radioactive substances decay
【物理学】β粒子,β质子
B粒子
Alpha and beta particle radiation is lower energy and can often be blocked by just a sheet of paper.
α和β粒子辐射的能量较低，一页纸片便可以阻挡住它们。
Beta particle: a high-speed electron or positron, especially one emitted in radioactive decay.
粒子：一种高速电子或质子，主要在放射衰变中释放出。
half thickness for beta particle
貝他粒子半值厚度
Clinical study on treatment of chronic beta particle hepatitis with two kinds of Mongolian medicine
蒙成药为主综合治疗慢性乙型肝炎的临床研究