Caffeine

extraction of caffeine from tea is an important experiment in basic organic chemistry.

前言：“从茶叶中提取咖啡因”实验是有机化学中的一个重要实验。

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Some power bars are loaded with carbohydrates or caffeine for quick jolts.

有些能量条中包含大量的碳水化合物和咖啡因，以达到快速提神的效果。

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simplification of model for tea caffeine detection by near infrared spectroscopy

茶叶咖啡碱近红外光谱模型简化方法高能红外光栅光谱仪

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objective research of the clinical value of caffeine clearance test.

目的评价咖啡因清除试验作为定量肝功能试验的临床应用价值。方法口服250mg咖啡因后测定二次受试者血药浓度，计算咖啡因清除率。

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in some individuals, caffeine can increase blood pressure.

对于一些人咖啡因可升高血压。

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but since caffeine resembles adenosine, it binds3 to these receptors instead — blocking the actual adenosine from passing through and preventing your body from slowing down.

但由于咖啡因与腺苷相似，它会与这些受体结合，从而阻止腺苷与受体结合，让人保持清醒。

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As a rule of thumb, a cup of filter coffee contains about 80mg of caffeine.

凭经验估计，一杯过滤咖啡约含80毫克咖啡因。

In West Africa, people have long chewed kola nuts as stimulants, because they contain caffeine that also occurs naturally in tea, coffee, and chocolate.

在西非，人们咀嚼可乐果来作为兴奋剂已有较长的历史了，因为这些果实中含有咖啡因，在茶叶、咖啡和巧克力中也存在咖啡因。

六级真题- 2017年 12月 1卷 阅读A

i still have a lot of caffeine in my system.

我身体里仍残留着许多咖啡因。

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Though caffeine can keep you awake for a while in this way, it doesn't cause all that adenosine to vanish forever.

虽然咖啡因可以让你清醒一段时间，但它不会让腺苷永远消失。

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Caffeine is the active constituent of drinks such as tea and coffee.

咖啡因是茶、咖啡之类饮品中的活性成分。

词典精选例句

and three: the amount of caffeine greatly.

三，各种饮料中咖啡因的含量差别巨大。

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caffeine is one of the most common drugs in the world.

咖啡因是世界上最寻常的一种药物。

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Researchers found that 3 milligrams of caffeine per kilogram of body weight can boost the rate of fat burning during aerobic1 exercise, based on results gathered from 15 male volunteers.

研究人员收集了15名男性志愿者的数据后发现，如果按每公斤体重3毫克的量来摄入咖啡因，就可以提高有氧运动中的脂肪燃烧速度。

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protective effects and mechanism of caffeine on alcohol-induced acute liver injury

咖啡因对急性酒精性肝损伤的保护作用及部分作用机制研究

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that's important because caffeine is a safe drug for most people.

这很重要，因为咖啡因对大多数人来说是安全的药品。

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It is a well-known fact that caffeine is a stimulant.

咖啡因是兴奋剂，这是人所共知的事实。

《牛津高阶英汉双解词典》

The shaking inside may be due to low blood sugar, too much caffeine or too many cigarettes

心悸可能是由于低血糖、咖啡因过量或抽烟过多。

柯林斯高阶英汉双解学习词典

an improved method for extraction of caffeine from tea was introduced.

针对溶剂法提取茶叶中咖啡因所存在的不足，探讨了用溶剂法从茶叶中提取咖啡因的实验改进。

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study on the expression of caffeine synthase gene mrna in tea plant

茶树咖啡碱合成酶基因mRNA表达的研究

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an improved method of extraction of caffeine from tea

茶叶中提取咖啡因方法的改进

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synergistic analgesic effect of tea caffeine and traditional chinese medicine

茶叶咖啡碱与中药的协同镇痛作用研究

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review on the technology of extraction natural caffeine from tea

从茶叶中提取天然咖啡因技术综述

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it takes that long for your body to feel the effects of caffeine.

这是才让身体感到咖啡因的影响所需时间。

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The shaking inside may be due to low blood sugar, too much caffeine or too many cigarettes.

心悸可能是由于低血糖、咖啡因过量或抽烟过多。

《柯林斯高阶英汉双解学习词典》

extraction, identification and content analysis of caffeine from tea

茶叶中咖啡因的提取、鉴定和含量分析

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the researchers were also keen to look in closer detail at the relationship between caffeine and exercise.

研究人员也很想更细致地考察咖啡因与运动之间的关系。

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study on electrochemical treatment and circular economy process in caffeine synthesis

咖啡因合成中的电化学处理和循环经济过程研究

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Across the course of four weeks, the 15 volunteers in the study went through four tests in a random6 order: taking a placebo7 at 8 am, taking a placebo at 5 pm, taking a caffeine supplement at 8 am, and taking a caffeine supplement at 5 pm.

在四周的时间里，参与研究的15名志愿者以随机顺序进行了4组测试：早上8点服用安慰剂；下午5点服用安慰剂；早上8点服用咖啡因补充剂；下午5点服用咖啡因补充剂。

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Study on the Key Technology of Processing for Low Caffeine Green Tea Drinks

低咖啡因绿茶饮料加工关键技术的研究

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