烟碱

na.【化】nicotine

网络释义：nicotinamide; N; Niacin

网络释义

na.1.【化】nicotine; β-pyridyl-α-N-methylpyrropdine; nicotin-; nicotino-

1.nicotine 乳果糖 LACTULOSE 烟碱 Nicotinamide 硫磺酸 sulfuric acid ...

3.nicotine,N体主要分布于副交感节后纤维所支配的效应器；另一类是烟碱(nicotinic)ACh受体(nAChR)，自主神经节细胞的突触后膜及运 …

6.L-Nicotine 氯喹 chloroquine 烟碱 L-Nicotine 水杨酸钠 Sodium sapcylate ...

7.Nicotinic acid 维生素H D-Biotin 烟碱 Nicotinic acid 维生素E DL-a-Tocopherol ...

1.The amount of nicotine in these nicotine substitutes can be enough to excite the heart.这些尼古丁替代品中的烟碱含量足以刺激心脏。

2.Flue-curing takes about a week and fixes the natural sugar of the leaf, which has a high sugar and a medium-to-high nicotine content.熏烟需要约一个星期并且保证烟叶中的自然糖分，这种烟含糖量高，并含中高量的烟碱。

3.Using MRI scans, we have shown a reduction in the size of artery walls in patients after a year of treatment with nicotinic acid.在经过烟碱酸类药物治疗1年后，通过MRI检查发现，患者的动脉壁的厚度下降。

4.But he never mentions neonincotinioned, widely known to cause nervous system disorders, as a cause.但他却从来没有提到烟碱这一物质，而很多人认为这一物质是导致神经系统混乱的原因。

5.The nicotine has a stage function to the heart rate, first causing a brief decrease followed by a transient increase.烟碱对心率的作用具有阶段性，初期引起心率短暂性减弱，紧接着发生瞬时增加。

6.The purpose was to confirm the best technology conditions of nicotine extracted from discarded tobacco leaf.为了确定从低次烟叶中提取烟碱的最佳工艺条件。

7.The relative error of the spectral prediction models of the nicotine contents by the step regression method are commonly less than 10%.对于烟碱，用逐步回归法所建模型的预测相对误差一般在10%以内。

8.Retrodialysis can be used for the determination of in-vivo nicotine recovery.反向透析法可作为体内微透析研究中烟碱回收率的测定方法。

9.Spinosad depolarizes insect neurons by activating nicotinic receptors, causing widespread hyperactivity in the nervous system.其作用机制是通过激活烟碱型受体使昆虫神经细胞去极化，引起中央神经系统广泛的超活化。

10.The invention relates to a composition of novel nicotinamide insecticide nitenpyram.本发明涉及新型烟碱类杀虫剂烯啶虫胺的组合物。