结果证明，稀土离子可以成功地掺杂到聚甲基丙烯酸甲酯基体材料中，并得到透明良好的复合材料。
It is proved by the result that rear earth ion can be successfully doped into materials, which USES PMMA as the bulk material, and composit with good transmittance is also obtained.
在天然石墨（ NG）中掺杂不同比例的碳纳米管（ CNT）得到纳米碳与石墨碳的复合材料。
When natural graphite(NG) is doped with different ratios of carbon nanotube(CNT), a composite material formed by nano-C and graphite-C was obtained.
最后介绍了用掺杂半导体材料和纳米材料实现红外与雷达复合隐身的可能性。
Finally, the possibility for using doped semiconductor and nanometer material to achieve infrared and rada.
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