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.
发现了炭化物中存在着纳米碳管、洋葱状富勒烯结构及金刚石晶格结构。
Nanophase carbon tube, onion-like graphitic particles and diamond structure are first found in wood charcoal of Chinese Fir.
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.
但是对洋葱状富勒烯的制备研究，目前还存在许多的问题（能量损耗高、收率低等）。
Up to date, there are many some problems in the preparation of nano onion-like fullerenes (a high cost and low yield ).
但是对洋葱状富勒烯的制备研究，目前还存在许多的问题（能量损耗高、收率低等）。
Up to date, there are many some problems in the preparation of nano onion-like fullerenes (a high cost and low yield ).
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