The IR spectrum and SEM analysis demonstrated that the graft monomers were bound to the fibers by the ways of physicaldeposition and chemical bonding.
通过红外光谱和扫描电镜分析，接枝单体是依靠物理沉积和化学键作用与纤维结合的。
2
PVD (physical vapor deposition) or physical vapor deposition is widely used on the current international advanced surface treatment technology.
即物理气相沉积，是当前国际上广泛应用的先进的表面处理技术。
3
Coating by physical vapour deposition (PVD), coating by chemical vapour deposition (CVD) and surface layer modification by ion implantation, all three are being tested and are partly in use.