您要查找的是不是：
- β-decay β衰变
- photino β-decay 超光子β衰变
- weld decay (焊接后) 敏化区腐蚀
- decay (电荷存储管的) 电荷减少
- gamma decay (γ衰变) 伽马衰变
- DAF（decay-accelerating factor，DAF）又名CD55； 是一种GPI（glycosyl-phospatidylinositol）锚固型补体调节蛋白。 Decay-accelerating factor (DAF/CD55) is a glycosyl-phopatidylinositolanchored protein that widely distributed on hemopoietic and non-hemopoieticlineage.
