A theoretical modelling of tensile strength of powder bonded nonwovens is deduced according to the concept of criticalzone.
采用临界区思想推出了粉末粘结非织造布拉伸强度的理论估计模型。
2
To quench 20 steel in criticalzone under different intensity alternation magnetic field and to observe the microstructure after phase transformation.
对20钢进行不同强度交流磁场下的临界区淬火处理,观察相变后的组织。
3
According to the modern seismic conception, the criticalzone of the RC member can be in the state of inelastic deformation after yield under strong motion.