The experimental results show that alumina dispersion strengthened copper base composites with good heat-resistance can be produced by the means of the inner oxiding in a nitrogen base atmosphere.
结果表明,在氮基气氛中进行内氧化处理同样可以得到具有很好热稳定性的氧化铝弥散强化铜基复合材料;
2
The blaze started Thursday during a heat wave and was strengthened by powerful winds.
热浪来袭以及强风的肆虐引发了周四的大火。
3
The thesis adopted the high efficiency wave tray to reconstruct the tradition tray of urea synthesis column, which has strengthenedheat and mass transfer.