three-photon decay

In a three-body decay, the emerging particles have more freedom.

在三体衰变中, 出现的产物粒子有较大的自由度.

Blow-up and the Decay Rate of the Solutions to Three Nonlinear Evolution Equations

关于三个非线性发展方程解的爆破和衰减性

CR1 has activation to the three pathways of complement activation to enhance decay of the C3/ C5 convertase and helps factor 1 to split C3b and C4b.

CR1是唯一既对经典、替代及植物凝集素（MBL）3个补体激活途径的，对C3/C5转化酶拥有衰变加速活性，又有辅助1因子裂解C3b和C4b作用的补体调节蛋白。

Blow-up and the Decay Rate of the Solutions to Three Nonlinear Evolution Equations

关于三个非线性发展方程解的爆破和衰减性

Both of the shear and three points bending tests were carried out to monitor the decay of the mechanical strength of the screws.

采用剪力及三点弯曲测试，每次测试五根骨螺钉，以得到强度衰减与时间的关系。