Broadband radar absorbing materials were prepared by blending modified poly (vinyl chloride) with complex absorbers including regularpowder absorbers and conducting fibers.
采用常规粉体吸收剂和导电纤维作为复合吸收剂，掺混于改性聚氯乙烯基体中，制备出宽频雷达吸波材料。
2
The conventional methods are meant to bring out fingerprint patterns with regular light and they have to treat those with powder, which alters them.
传统的方法是通过常规光线使指纹显示出来，而且要借助粉末等物质，这会改变指纹保存状况。
3
The coil tube method can be well used to resolve this problem and the handled ink powder has the regular shape and good liquidity.