Mineral composite could greatly improve the chlorion penetration resistance and the sulphate corrosion resistance by filling up the pores in concrete.
矿物掺和料通过密实填充效应明显改善混凝土抗氯离子渗透性、耐硫酸盐侵蚀性。
2
During the course of the plastics melt filling in the die cavity, the forms of the flowing resistance and the energy loss and the reason why they come into being are analyzed.
本文分析了在塑料熔体充满型腔的过程中，流动阻力及能量损失产生的形式和物理原因。
3
The experimental results show that suitable filling materials and welding technological parameters will obviously improve the cracking resistance properties of these alloys.