According to the surface chemical composition change of the steady state, the surface binding energy ratios between any two elements in the target can be evaluated.
根据稳定态时化学成分的改变，可以推算出靶中任意两元素表面结合能之比。
Biocompatibility is the basic requirement for polymers used as medical device in clinic, and it's a crucial pathway changing surface chemical composition to improve the biocompatibility of polymers.
生物相容性是高分子材料在临床上用作医用装置的基本要求，改变高分子材料的表面化学组成是提高其生物相容性的重要途径。
The surface chemical composition of SiC particles are obtained by (ESCA) and the gases absorbed on the surface of SiC particles are analysed with the quadripole mass analyser(QMA) and thus it is pu…
在此基础上，提出了妨碍陶瓷粒子在铝合金熔体中均匀分散的主要原因是陶瓷粒子表面吸附的气体的观点。
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