nornicotine是什么意思

2024-01-27 04:06:16

nornicotine

美[nɔːnɪkəˌtiːn] 英[nɔːnɪkətiːn]

n. [化]降烟碱；去甲烟碱

The content of nornicotine is higher after flue-curing than before flue-curing. 湿度对烟碱含量影响无明显的规律性。
Both high temperature and high humility are beneficial to formation and accumulation of nornicotine during yellowing. 去甲基烟碱含量烤后较烤前增加，而且变黄期高温、高湿均有利于去甲基烟碱的形成和积累。
The formation of nicotine and nornicotine is affected by varieties, natural conditions and cultural measures, etc. 烟碱、去甲基烟碱的形成受品种、自然条件和栽培措施等的影响;
The domestic and international research results about the formation and conversion of nicotine and nornicotine in flue-cured tobacco are reviewed. 综述了国内外有关烤烟生长期烟碱、去甲基烟碱形成及相互转化关系的研究结果。
In natural populations, the correlation of total alkaloid with nicotine and nornicotine decreased, and that with anabasine and anatabine did not change. 在自然群体中, 总生物碱与烟碱和降烟碱的相关性减小, 与新烟草碱和假木贼碱的相关性没有变化。
Qualitative and quantitative analysis was conducted to determine the neutral and basal volatile components in cured tobacco with different degrees of nicotine to nornicotine conversion by using GC/MS. 摘要采用GC/MS对白肋烟不同烟碱转化程度烟叶的中性和碱性挥发性成分进行了定性和定量分析。