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Nicotine has been studied for the first time by pulse radiolysis techniques.

摘要首次运用电子脉冲辐解技术研究尼古分子化学活性。

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His teeth were stained with nicotine from years of smoking.

牙齿因多而被尼古了。

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Many smokers who are chemically addicted to nicotine cannot cut down easily.

许多有尼古人不容易把戒掉。

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The college students were also less likely to have a drug-use disorder, nicotin nicotine dependence or bipolar disorder.

大学生滥用药物,尼古依赖症和躁郁症可能性较少。

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This article introduces micro - titration measuring method to replace the normal nonhydraulic titration method in measuring nicotine content in tobacco.

本文首次用微型称量简定法,代替常规非水滴定法测定草中尼古含量。

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医学英语轻松学

Tobacco contains nicotine, which is addictive.

烟草含有尼古丁它可致人成瘾。

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经济学人(汇总)

His addiction to nicotine trumped convention and courtesy.

烟瘾胜过了公德和礼貌。

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科学60秒 2017年9月合集

Unnaturally high nicotine concentrations deterred the bees.

尼古丁浓度高于自然水会使大黄蜂望而却步。

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历年四真题训练—新闻报道

That worries the department because of the addictive nature of nicotine.

这令卫生部感到不安,因为尼古丁是一种能让人上瘾物质

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VOA常速英语_健康

Professor Terrence said nicotine is connected to high protease levels in the lungs.

特伦斯教授说,尼古丁与肺部高蛋白酶水有关。

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新奇事件簿

Instead, they release a nicotine vapour that makes people feel like they are smoking.

相反, 电子烟释放尼古丁蒸汽,让人们觉得自己在吸烟。

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4

92 were found to have higher nicotine yields than they did 6 years previously.

发现92种烟草尼古丁含量比6年前高。

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科普小杂文

3 Days – After 3 days, the nicotine levels in a person's body are depleted.

3天——3天后,人尼古丁就会耗尽。

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科普小杂文

That deficit is leveled up by toxic gases like carbon monoxide and nicotine.

这种缺陷会被一氧化碳和尼古丁等有毒气加剧

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VOA慢速英语_健康

It also decreases the amount of nicotine permitted in smoked tobacco products.

它还会减少烟草制品中允许尼古丁含量。

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VOA慢速英语_健康

Nicotine is an addictive element in tobacco.

尼古丁是烟草中一种令人上瘾成分。

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VOA Special 2019年3月合集

Health experts say nicotine is highly harmful to developing brains.

健康专家表示,尼古丁对发育中大脑极具危害。

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Scishow 精选系列

That's an alkaloid—so it's in the same class of molecules as caffeine and nicotine.

那是一种生物碱——与咖啡因和尼古丁属于同一类分子

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经济学人-科技

In particular, nicotine is a highly flexible molecule.

尼古丁是一种尤其高活性分子。

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连线杂志

This dopamine increase from cold immersion is just as high as nicotine or cocaine.

泡冷水带来多巴胺增加与尼古丁或可卡因一样高。

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医学英语轻松学

Nicotine narrows your blood vessels and puts added strain on your heart.

尼古丁可缩小血管宽度,增加心脏负荷。

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科学60秒 2014年3月合集

At the beginning of the study, the participants answered questions about alcohol and nicotine dependence.

在研究开始阶段,参加受试人需要对酒精和尼古丁依赖性进行问卷调查。

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科学60秒 2017年9月合集

And they even learned a flower's color faster, if that flower offered a nicotine fix.

如果花朵持续提供尼古丁,那大黄蜂甚至可以更快地识别花朵颜色。

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科学60秒 2017年9月合集

And if caffeine and nicotine have these effects on bees?

是否只有咖啡因和尼古丁会对蜜蜂产生这些影响?

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They contain carcinogens like nicotine and other toxins like arsenic.

它们含有尼古丁等致癌物和砷等毒素。

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