For any object, there is a criticalradius, called the Schwarzschild radius, at which its mass will form a black hole.
对于任何一个物体，都存在一个被称为史瓦西半径的临界半径，在这个半径以内的质量将形成一个黑洞。
2
PPD makes the criticalradius and the potential barrier of nucleation of wax crystal increase, and makes the separation of wax from waxy oil difficult.
降凝剂提高了蜡晶析出的临界半径，增大了成核位垒，使蜡晶析出困难。
3
In addition, the generalized expression of the criticalradius of bubble for liquid-vapor phase transition process was deduced according to the chemical potential.