1. 烟碱：从烟叶中提取烟碱 烟碱 (nicotine)又名尼古丁,是烟草生物碱 (nicotiana alkaloids)(包括12种以上单一成分)的主要成分,于1928年首次被分离出来. 烟碱具有二个含氮环:吡啶环和吡咯烷环,天然产烟碱为左旋体. 烟碱在商业上用作

2. 911查询·英语单词

2. 尼古丁：目的 尼古丁(Nicotine)是烟草中的主要生物碱,是香烟中的对人体有害的主要生物活性物质. 已经公认,宫内暴露尼古丁会对胎儿大脑产生损害,改变突触功能,进而引起行为异常,这种损害会延续至成年. 但是,

3. 菸碱(尼古丁)：世界卫生组织(WTO )研究指出,烟碱尼古丁(Nicotine)实际上是一种兴奋剂,是强成瘾药物,吸烟的成产瘾机理与吸毒完全一样,只是程序略轻而已. 台湾天然植物精萃研发中心程先生研究发现:常绿亚乔木果实(山楂、乌梅、菠萝、柠檬等)经高倍浓缩,

1. 911查询·英语单词

1. Nicotine is a chemical that can have physical and mood-altering effects.
    尼古丁是一种化学品可以有身体和情绪改变的影响。

2. A new technique for analyzing microgram and submicrogram amount of nicotine and cotinine biological fluids is developed.
    作者研制了一项新技术分析尼古丁和可铁宁的生物液微克和亚微克量。

3. The results showed that there were 8 kinds of aliphatic, 5 kinds of esters, 2 kinds of aldehydes, 2 kinds of nitrogen sulfur heterocyclic rings and one kind of hydrocarbon, alcoholics, ketone, lactones respectively in the analyzed 21 kinds of aroma components, and the content of furfural, β-methyl valeric acid, palmitic acid, nicotine, neohytadiene were higher, next were acetyl ethyl propionate, caleric acid, phenyl ethyl acetate, hydroxylic diethyl succinate.
    结果表明，在分析出的21种香气成分中，分别有脂肪酸类8种，酯类5种，醛类2种，氮硫杂环类2种，烃类、醇类、酮类、内酯类各l种，其中相对含量较高的物质成分是糠醛、β-甲基戊酸、十六碳酸、烟碱、新植二烯，其次是乙酰丙酸乙酯、异戊酸、苯乙酸乙酯、羟基丁二酸二乙酯等。

4. Objective］The research aimed to study one strain of high capacity of nicotine-degrading.
    ［目的］对1株具有高效降解烟碱能力的菌株进行初步鉴定。

5. nicotine什么意思

5. Both nicotine replacement and bupropion have been shown to be well tolerated in populations with cardiovascular disease.
    目前的临床实践显示尼古丁替代治疗和安非他酮都能够在心血管疾病的吸烟者中很好地耐受。

6. The genes of the metabolic phrasesⅠand Ⅱ enzymes showed significant influences on the responses to nicotine replacement therapy with nicotine sublingual tablet and on behaviors of nicotine dependence.
    代谢酶基因对尼古丁舌下含片戒烟疗效和尼古丁依赖严重程度均产生影响，具有代谢酶突变基因型的个体对烟碱的依赖程度较高，尼古丁舌下含片戒烟疗效较低。

7. nicotine的解释

7. Evaluate the effect of nicotine sublingual tablet on smoking cessation. 2. Investigate whether cytochrome P450 gene (CYP1A1, CYP2D6), NAD H-quinone oxidoreductase gene (NQO1) and microsomal exppoxidase hydrolase gene polymorphisms affect nicotine dependence and smoking cessation outcome.
    研究目的1：评价尼古丁舌下含片戒烟治疗的疗效，2：探讨细胞色素P450酶基因（CYP1A1、CYP2D6），还原型辅酶Ⅰ醌氧化还原酶基因（NQO1）和微粒体环氧化物水解酶基因多态性对于尼古丁依赖严重程度及尼古丁舌下含片戒烟治疗结果的影响。

8. The results showed that:1the expansion rate of cut rag increased wigh tge increase of input moisture content and air temperature; 2 when the input moisture content was 22%, the expansion rate of cut rag, the pgyxical index and smoke index of cigarette were comparable wigh those dried by a cylind er dryer; 3the expansion rate of cut rage was raised by imcreasing steam flow within the tested range; 4the cigarette weight and tar delivery decreased wigh the increase of imput moisture content of cut rag and air temperature, however, nicotine and carbon monoxide deliveries of the cigarette basically unchange; 5the input moisture content of cut rag suitalble to medium and low price cigarettes was 24%and 28%, respectively. However, the cut rag for premium cigarettes was unfavorable to be dried with HXD.
    结果表明：①提高HXD进料含水率和工艺气流的干燥温度，可提高叶丝的膨胀率；②当叶丝的进料含水率为22％时，经HXD膨胀后叶丝的膨胀率以及卷烟的物理指标、烟气指标等与滚筒式烘丝机处理后的结果基本一致；③在试验范围内，提高喷射蒸气的流量，可提高叶丝的膨胀率；④提高进料含水率和工艺气流的热风温度，可使卷烟在吸阻和硬度不变的情况下降低单支重量；⑤随着进料含水率和工艺气流干燥温度的提高，卷烟烟气焦油呈下降趋势，而烟碱和co下降趋势不明显；⑥高档卷烟配方不宜采用 HXD进行膨胀干燥；采用HxD进行膨胀干燥时，中档卷烟和低档卷烟的进料含水率宜分别控制在24％和28％左右。

9. Methods The constriction induced by norepinephine (NE, 10-8-10-4 mol/ L) and diastole induced by acetylcholine (Ach, 10-8 -10-4 mol/ L) in thoracic aortic ring with angiosteosis induced by vitamin D3 plus nicotine in rats were recorded by BL-Newcentrary multichannel physiologic recorder.
    维生素D3(VitD3)和尼古丁诱导大鼠血管钙化模型，通过BL-Newcentrary型多导生理记录仪，观察钙化大鼠离体胸主动脉环对去甲肾上腺素(norepinephine，NE)(10-8～10-4mol/L)和乙酰胆碱(acetylcholine，ACh)(10-8～10-4mol/L)引起的收缩和舒张反应。

10. Visit the some place for a free health and counselling session and for advice on nicotine replacement therapy.
    如果吸烟可以让你平静，然后去学一些休闲的练习和访问一些地方得到一些免费的东西和顾问会议取得一些医学的戒烟

11. In manufacturing tobacco slice by papermaking process, treat with extracted concentrated solution of tobacco stuff with fermented tobacco quality-improving agent compose one kind of flavor enhancing microorganism, one kind of active dry yeast and one kind of protease, and measure the contents of nicotine, sugar, total nitrogen, protein, Potassium and chlorine in finished product of tobacco slice.
      在造纸法再造烟叶生产过程中，利用1种增香菌、1种活性乾酵母和1种蛋白酶配置而成的烟草发酵增质剂对烟草原料的萃取浓缩液进行了处理，并对处理后的萃取浓缩液及其再造烟叶成品的烟碱、糖、总氮、蛋白质、钾和氯等成分进行了测定。

12. Some smokers chew nicotine gum in an effort to quit, but instead of parking a slightly masticated piece between cheek and gum, they chomp the little squares like a wad of Bazooka.
      一些吸烟者为了戒烟，会选择咀嚼一种戒烟口香糖，但是他们不会轻轻的去咀嚼并将口香糖在腮部与牙床间多唅一会儿，而是像吃一条普通的Bazooka泡泡糖一样，大口大口地去嚼它。

13. nicotine的翻译

13. After mainenervations being drawn out and being dried for 4 hours at 60℃, 1156 samples of tobacco leaves from different tobacco producing-area were made into powder (≤0.13 mm). Reducing sugar, total sugar, nicotine, nitrogen, potassium and chlorine of more than 1000 samples from different tobacco producing-area were determined with classical chemical or instrumental methods. By scanning these samples with Fourier transform Near Infrared spectrometer (MARIXT-I produced by Bucker) we obtained their spectrograms, pretreated the spectrograms with a chemometrics software (OPUS 5.5) to debase the noises influence on spectrum information, and built a chemometrics model by means of Partial Least2Squares. The chemometric model was optimized some times and validated with some other samples.
      选取全国不同烟草生产地区的1156余烟叶样品，采用相同的预处理条件(去处主脉，60℃烘干4小时)，处理成40目待测粉末样品，采用行业经典的化学分析方法或准确可靠仪器方法测定其常规成分含量，在条件一致(20℃～24℃，环境湿度≤40 RH%)的实验室环境中，使用市场上主流的傅立叶变换红外光谱仪(德国BRUKER公司生产的MARIXT-I)上进行图谱扫描，采用OPUS5.5化学计量学软件，对光谱进行适当的预处理，减弱以至于消除各种噪声对光谱信息的影响，用偏最小二乘回归法建立常规成分预测模型，并进行了反复优化和未知样品模型外验证。

14. nicotine是什么意思

14. But the diversity was distinct in intrinsic quality, especially in the content of potassium and nicotine.
      特别是对烟叶含钾量和烟碱含量的影响很大；只施基肥，一次追肥，二次追肥三个不同施钾方法中，以二次追肥对烟叶的钾含量积累、烟碱含量的降低方面效果最好。

15. nicotine的解释

15. Yeah, but that's why I smoke a brand with low nicotine and tar content.
      是的，这是我为什么要吸这个牌子，它的尼古丁和焦油含量都较低。

16. nicotine的解释

16. Intrauterine fetal asphyxia or death is due to nicotine can reduce the oxygen content of the placenta.
      胎儿发生宫内窒息或死亡，是由于尼古丁能够使胎盘含氧量减少。

17. Answer:I know, but I`m hooked on nicotine.
      我知道，但我已对尼古丁上瘾了。

18. But, if he could get rid of that constant nicotine stimulation, things would be easier for me.
      但是，如果他能取消尼古丁的不断刺激，我就会轻松多了。

19. 911查询·英语单词

19. Because the major cause of cancer death is metastasis, the influence of nicotine and NNK on the migration of colon cancer cells remains to be determined.
      因为癌细胞转移是导致病患死亡的主因，而尼古丁及NNK是否会影响结肠癌细胞的转移目前仍不清楚，因此需要进一步研究。

20. There were more than 100 carcinogens within the tobacco and the devastating link between smoking and cancer is nicotine and its metabolites like NNK, which is one of the most potent carcinogens in tobacco.
      香烟中含有上百种的致癌物可以破坏细胞中的基因而引发癌症，但更可怕的是菸草中的尼古丁及其衍生物，尼古丁是让人们对香烟成瘾的主要原因而它的多种衍生物例如NNK也是非常强的致癌物。

1. 尼古丁;烟碱
    Nicotine is the substance in tobacco that people can become addicted to.

    e.g. Nicotine produces a feeling of well-being in the smoker...
           尼古丁给吸烟者带来一种愉悦的感觉。
    e.g. Nicotine marks stained his chin and fingers.
           尼古丁渍染黄了他的下巴和手指。

1. an alkaloid poison that occurs in tobacco
    used in medicine and as an insecticide