而硝酸盐和烟草生物碱含量与烟草特有亚硝胺无明显相关关系。
There is no relationship between alkaloids or nitrate and individual TSNAs.
近年来，已有一些关于烟草生物碱检测方法的报道，它们包括气相色谱，液相色谱和毛细管电泳法等。
In recent years, some determination methods of tobacco alkaloids were reported, including gas chromatography, high-performance liquid chromatography and capillary electrophoresis etc.
尼古丁是烟草中生物碱的主要成分，其生物学作用广泛。
Nicotine is a main component in tobacco, which has broad biological significance.
烟草类型、植株部位、栽培方法、成熟度和肥料处理是决定烟草属植物中生物碱含量的几个重要因素。
The tobacco types, stalk position, cultivation method, maturity and fertilizer are the most important factors which determine the content of nicotine in tobacco plant.
烟草类型、植株部位、栽培方法、成熟度和肥料处理是决定烟草属植物中生物碱含量的几个重要因素。
The tobacco types, stalk position, cultivation method, maturity and fertilizer are the most important factors which determine the content of nicotine in tobacco plant.
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