本文在黄土已有研究成果的基础上，通过三轴剪切试验对类黄土(黄土状土)的强度软化特性进行了重点研究。
This paper mainly studies the strength softening characteristic of loess-like soil by triaxial shear test on the basis of primary research productions of loess.
试验表明，采用复合催化法很容易制备聚合速度快且软化点适宜的壳法用热塑性酚醛树脂。
The results showed that a kind of fast curing novolac for shell process whose softing point is reasonable was easily prepared by compound catalysis .
试验表明，采用复合催化法很容易制备聚合速度快且软化点适宜的壳法用热塑性酚醛树脂。
The results showed that a kind of fast curing novolac for shell process whose softing point is reasonable was easily prepared by compound catalysis.
应用推荐