吡虫啉为新型氯代烟碱类杀虫剂。
有的烟样中，烟碱含量比对照有所下降。
In some treatments the content of nicotinamide was decreased in some degree.
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.
为微生物降烟碱的研究及应用提供了理论依据。
This study lays the foundation for the application of nicotine biodegradation.
有些习惯是受到烟碱或者酒精上瘾等外力的影响所养成的。
Some habits are aided by outside forces such as nicotine or alcohol addiction.
结论：膜片钳技术使探讨烟碱受体拮抗药的作用位点成为可能。
CONCLUSION: the patch clamp technique makes it possible to observe the action sites of nicotine receptor antagonists.
烟草发状根培养中，激素对发状根生长和烟碱合成有较大影响。
Phytohormones affected obviously the growth and nicotine content of the hairy root.
还原糖含量略有提高，烟碱含量降低显著，对多酚含量影响较小。
Reducing sugar was improved slightly, nicotine content was reduced remarkably and polyphenolic content was affected slightly.
实验证明从废次烟叶中同时提取茄尼醇和烟碱的方法，是可行的。
The method of the simultaneous extraction of nicotine and solanesol from the discard is introduced in this text. It was testified to be feasible.
美国和欧洲的环保人士称，新烟碱类杀虫剂正造成蜜蜂数量下降。
Environmentalists in the United States and Europe say chemicals called neonicotinoids are causing a drop in the number of bees.
通过田间试验，研究了不同施氮量对晒烟烟叶产量和烟碱含量的影响。
The field trials were done to study on the effects of nitrogen amount on the yield and nicotine content of sun-cured tobacco.
研究了菌株DN2降解烟碱的特性和对烟草废弃物中烟碱的降解情况。
The kinetics of nicotine degradation by O. intermedium DN2 and its application in tobacco waste were investigated.
目的评价张应力作用后面颌肌细胞烟碱样乙酰胆碱受体基因表达变化。
Objective:To elucidate the effect of strain on nicotinic acetylcholine receptor (nAChR) mRNA expression in maxillofacial skeletal myocytes.
测定了河南烤烟(40级)各等级烟叶的烟碱含量和烟气烟碱传输量。
The content of tobacco leaf nicotine and smoking nicotine of40 grades leaves of he nan flue - cured tobacco is determined.
另外，非去极化肌松药还可以改变烟碱样受体的类脂膜，改变其离子通道。
In addition, non depolarizing neuromuscular blocking drugs may alter the lipid membrane around the nicotinic cholinergic receptors, changing the properties of the ion channel.
本文论述了利用流体静力学原理对硫酸烟碱的提取工序进行工艺改造的方法。
The method of using hydrostatic principle to improve technology for extracting nicotine sulfate was described .
可能的诱发原因包括霍奇金病和艾滋病，补充烟碱酸或者抗抑郁药物的副作用。
Possible causes include Hodgkin's disease, HIV, supplemental niacin, or an antidepressant side effect.
重点讨论了夹带剂在超临界萃取烟草中烟碱、茄尼醇、精油等有效成分中的应用。
It is emphatically discussed that the entrainer is applied for supercritical fluid extraction (SFE) of available components in tobacco, such as nicotine, solanesol and ethereal oil.
神经元烟碱受体广泛地分布于中枢神经系统并参与脑内信号传导系统的调节过程。
Neuronal nicotinic acetylcholine receptors (nAChRs) are widely distributed in the central nervous system, and they participate in complex neuronal signal transduction and regulation in the brain.
结果表明：1）豫中和豫南两个烟区烟叶的烟碱含量均偏高，总氮和钾含量偏低。
The results showed that:1) The high content of nicotine, the low content of total nitrogen and potassium were found in central and south Henan tobacco-growing areas.
土壤速效氮含量偏高是烟叶烟碱含量偏高和多数烟叶样品糖碱比偏低的一个重要原因。
One of the major reason of high nicotine in most samples was the high nitrogen content in soil.
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.
同时，烟碱还有促进动脉粥样硬化和促进血管内膜增殖的作用，因此有促进再狭窄的作用。
Nicotine can also accelerate atherosclerosis and intimal proliferation, so may contribute to the development of restenosis.
一种称为neonicotinoids的新烟碱类杀虫剂导致世界各地的蜜蜂大范围死亡。
Pesticides called neonicotinoids are widely implicated in the deaths of honeybees across the world.
采用田间调查和室内饲养的方法，结合化验分析结果，分析了烟草次生物质烟碱对烟蚜的影响。
By combination of field investigation, indoor man-feeding and the result of chemical analysis, the authors studied the influence of nicotine on peach aphids.
卷烟燃烧时释放出大量侧流烟气，其中有很多危害人们身体健康的物质，如烟碱、醛类物质等。
In the sidestream smoke of cigarette, there are many substances which are harmful to people's health, such as nicotine, aldehyde.
通过对烤烟（40级）各等级烟叶焦油含量和烟气烟碱的测定，取得了一套较为完整的分析数据。
By testing the tar and smoking nicotine of tobacco leaves of flue-cured tobacco 40 grading standard, a set of complete analytical data have been got.
土豆，作为美国最喜爱的白色蔬菜，是维生素c、钾、维生素b6、烟碱酸和硫铵的一个很好来源。
America's favorite white vegetable, the potato, is an excellent source of vitamin c, potassium, vitamin B6, niacin and thiamin.
土豆，作为美国最喜爱的白色蔬菜，是维生素c、钾、维生素b6、烟碱酸和硫铵的一个很好来源。
America's favorite white vegetable, the potato, is an excellent source of vitamin c, potassium, vitamin B6, niacin and thiamin.
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