The penetrationeffect of the different ratio size in the process of penetration is studied and analyzed according to the result of experiment.
根据模型实验结果对不同比尺的桶基的沉贯行为进行了研究，并初步分析了沉贯行为产生的原因。
2
Results showed that the penetrationeffect of betamethasone patches could be improved obviously with the co-effect of 20% mono-laurin, 6% isopropyl myristate and 10% oleic acid.
In China, the penetrationeffect and the composite effect of penetration and explosion of earth-penetrating weapons in rock medium have not been considered in the current standards.