1、 Aflatoxins and N - nitroso compounds, which are carcinogenic are frequently found in chili powder.
经常在辣椒粉中发现黄曲霉素和N - 亚硝基化合物, 均是致癌物质.
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2、 Objective To study the characteristics of the Nitroso - bacteria in one - step completely autotrophic nitrogen removal process.
研究 单级 自养脱氮系统中亚硝化菌株的培养及代谢特征,为系统运行操控提出理论指导.
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