空气中焙烧 meaning in English

air roasting

The theory of the hydrogen uptake on carbon nanotubes has been discussed . secondly , for the purpose of improving the activities of the carbon nanotubes " surface , mwnts were treated by oxygenation in the air and surface treatment . thirdly , mwnts were modified by mechanical grinding
对多壁碳纳米管氧化提纯及表面处理的研究表明：空气中焙烧多壁碳纳米管可除去无定型碳等杂质，碳管的纯度大为提高； naoh是良好的分散剂，可改善碳管的表面活性。