基于此，本文采用真空热处理的方法来制备碳纳米洋葱状富勒烯。
In this paper, a new method of vacuum heat-treatment was used to prepare macroscopic quantity of nano onion-like fullerenes.
展望了纳米洋葱状富勒烯基础研究、宏量制备和应用研究的发展趋向。
The emphasis is placed on basic study, macroscopic preparation and potential ap- plications of nano onion-like fullerenes.
然而，由于缺乏有效宏量制备纳米洋葱状富勒烯的方法，使其应用研究进展缓慢。
However, the application studies of onion-like fullerenes develop slowly for the lack of effective preparation methods.
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