激光束、电子束、离子束三种高能束流技术对材料表面改性是通过改变材料表面的成分或结构实现的。
Surface modification of materials by means of high-energy laser beam, electron beam and ion beam technology are realized through changing composition and structure of the material surface.
该复合材料由经过表面改性的编织或未编织的天然纤维、聚乳酸和硅烷偶联剂组成。
The composite material is composed of knitted or unknitted natural fiber which is modified at the surface, polylactic acid and silane coupling agent.
在塑料填充改性领域中，一般采用超微细或纳米无机粉体作为填充材料。
In the field of filled modified plastics, the superfine or nanometer inorganic powders usually were used as a filling materials.
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