Studies were carried on the effects of two types of nitrogen formation on the nitrate, nitrite and Tobacco-specific Nitrosamines(TSNA) content.
英
美
- 研究了不同氮素形态对烤烟烟叶中硝酸盐、亚硝酸盐和烟草特有亚硝胺(TSNA)含量的影响。