烟碱

yān jiǎn
  • nicotine
烟碱烟碱
烟碱 [yān jiǎn]
  • [nicotine] 俗称尼古丁。一种极毒的挥发性的弱碱性液体生物碱C 10 H 14 N,构成烟草的主要有效成分

  1. 这些尼古丁替代品中的烟碱含量足以刺激心脏。

    The amount of nicotine in these nicotine substitutes can be enough to excite the heart .

  2. 大鼠烟碱依赖对脑皮层M、N胆碱能受体的影响

    Effect of nicotine dependence on m , n cholinergic receptors in rat brains

  3. 烟草中游离烟碱与其pH值之间的关系

    Relationship between Free Nicotine in Tobacco and its pH Value

  4. 卷烟烟气pH与烟气总粒相物中游离烟碱的关系

    Studies on the relationship between pH value and free nicotine in cigarette smoke

  5. 结果表明:烟碱含量与施N量呈正相关。

    The results showed that there was positive correlation between nicotine content and nitrogen level .

  6. B,Mg,Mn能显著提高烟碱含量。

    B , Mg , Mn can increase remarkably the content of nicotine .

  7. 烟末水浸液pH值与烟碱蒸出率的相关性

    Relationship Between pH Value of Aqueous Infusion of Tobacco Fine and Distillation Rate of Nicotine

  8. 烟碱石墨涂膜电极及PVC膜电极的研究

    Studies on Nicotine Graphite Coated-Membrane and PVC Membrane Selective Electrodes

  9. 钾、维生素C、镁、烟碱酸、和硫胺是这果实的良好来源。

    This fruit is a good source of potassium and also contains vitamin C , magnesium , niacin , and thiamine .

  10. 中枢烟碱乙酰胆碱受体与Alzheimer病的研究

    Studies on the relationship between CNS nicotinic acetylcholine receptors and Alzheimer 's disease

  11. 泛酸、烟碱酸和腺嘌呤对紫外线照射后大肠杆菌(EscherichiacoliB)恢复作用的初步研究

    Preliminary studies on the restoration of ultra-violet irradiated Escherichia coli B by calcium pantothenate , nicotinic acid and adenine

  12. 进行了抽吸间隔时间的长短对卷烟抽吸口数、烟气焦油、烟碱和CO释放量的影响实验。

    The variation of puff number and tar , nicotine , and CO deliveries of cigarette smoke with puffing interval was tested .

  13. 与传统的蒸馏萃取法比较,超临界CO2流体萃取提取物中含较多的松油醇、烷烃、烟碱等物质。

    As compared with traditional distillation extraction , the extracts of SFE had more terpineol , alkane and nicotine .

  14. 在清醒自由活动状态的大鼠上,肌醇磷酸酶抑制剂氯化锂、M受体激动剂氧化震颤素和N受体激动剂烟碱均可剂量依赖性地降低体温;

    In conscious rats , inositol phosphatase inhibitor lithium chloride , muscarinic receptor agonist oxotremorine and nicotinic receptor agonist nicotine produced hypothermia in a dose dependent manner .

  15. 不同浓度IAA对烤烟酶活性及钾和烟碱含量的影响

    Effects of IAA on Enzyme Activity , Potassium and Nicotine Content of Flue-cured Tobacco

  16. dHβE作用于烟碱识别位点而非烟碱受体离子通道。

    DH β E take action on the recognition sites of nicotine rather than on non-nicotine receptor ion channel .

  17. 结论:烟碱依赖大鼠脑皮层c-fos的表达增强。

    Conclusion : Nicotine dependence can increase the c-fos gene expression of cortex in rats .

  18. 神经型烟碱性胆碱能受体α4亚单位基因多态位点1860(C→T)与吸烟的相关性以流行病学和病例调查为基础的抽样调查

    Correlation of polymorphisms in the neuronal nicotinic acetylcholine receptor alpha 4 subunit gene 1860 ( C → T ) with cigarette smoking : Sampling survey based on epidemiology and case investigation

  19. N:K2O为1:1的处理烟叶烟碱含量较高,其处理在生育后期总氮处于相对较高的水平。

    Whereas the treatment with the N : K2O ratio of 1:1 could yield high level of nicotine and total nitrogen .

  20. 目的:观察钙离子在烟碱诱导的大鼠海马脑片CA1区长时程增强中的作用。

    AIM : To observe the effects of Ca2 + on hippocampal long-term potentiation ( LTP ) induced by nicotine in CA1 region of rat hippocampal slice .

  21. 烟碱、高温及其联合作用对大鼠肝GST、Cp和脂质过氧化反应的影响

    Effects of nicotine and ( or ) hyperthermia on GST , Cp and lipid peroxidation in hepatocyte of rats

  22. 结果表明,该菌降解烟碱的最适条件为接种量5%,温度30℃,初始pH值6.5。

    The results showed that the optimum temperature of nicotine degradation by O. intermedium was 30 ℃, the pH value was 6.5 and a mount of inoculum was 5 % .

  23. 采用由高转化系和非转化系杂交的F1植株为材料进行试验,发现烟碱转化百分率随烟碱含量下降的趋势更加明显。

    The trend is more obvious when using the F1 hybrid crossing from high converter line and non-converter line .

  24. 烟碱(Nicotine),俗名尼古丁,是一种存在于茄科植物中的生物碱,也是烟草的重要成分。

    Nicotine is present in the Solanaceae ( Solanum ) of the alkaloid , is also an important component of tobacco .

  25. 新霉素抑制PC12细胞烟碱受体介导的反应

    Neomycin inhibits nicotinic receptor-mediated response in pheochromocytoma ( PC12 ) cells

  26. 拜耳作物科学公司生产新烟碱杀虫剂,公司发言人JackBoyne对这些发现表示异议。

    Bayer CropScience makes neonicotinoid pesticides . Company spokesman Jack Boyne disputed the findings .

  27. 其中2.5%楝素.烟碱乳油、16000IU/mgBt可湿性粉剂、10%烟碱乳油又为生物源农药,应大力推广使用。

    Toosedarin · nicotine 2.5 % EC , 16000 IU / mg BT WP and nicotine 10 % EC should be spreaded vigorously for biogenic insecticides .

  28. FT-NIR光谱分析技术测定烟草中总氮、总糖和烟碱

    Determination of Total-Nitrogen , Total-Sugar and Nicotine in Tobacco by FT-NIR Spectrometry

  29. 利用15N示踪技术,试验研究了N肥不同用量和留叶数对烤烟烟叶N吸收、分布及烟碱含量的影响。

    By using the () ~ ( 15 ) N technique , the effects of nitrogen application and remained leaves on the N uptake and nicotine content of flue-cured tobacco were studied .

  30. 在吸烟机上,研究了不同抽吸条件下,卷烟主流烟气中苯并[a]芘以及TPM、烟碱和CO释放量的差异。

    The difference of deliveries of Benzo [ a ] pyrene , TPM , nicotine , and CO in mainstream smoke was studied with alternative puffing regime using smoking machine .