[化] 峰面积

peak area的用法和样例：

例句

There will always be enough pentane in the syringe to leave a small peak on the chromatogram.利用适当峰的峰面积，可以计算在每一种馏份和原油中的香芹酮和柠檬烯的含量。
This method can only be applied to roughly test impurity content of test samples due to relatively big deviation produced by peak area normalization method.由于峰面积归一化法测定误差大，因此，本法通常只能用于粗略考察供试品中的杂质含量。

公共英语热点新词

1. Peak people: 人口顶峰。这个词组就是指世界人口达到最高值的时期，之后的人口数量会因为出生率的降低或全球能源、食物、水资源匮乏而呈稳定下降的趋势。据说我们已经 reached peak people，

发表于:2018-12-18 / 阅读(290) / 评论(0)

实用英语

新标准初中英语九年级(上):UNIT2 The Peak

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外研社新标准初中英语九年级

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发表于:2019-01-02 / 阅读(293) / 评论(0)

地道英语在线听

音乐咖啡厅:Anne-Marie - Peak

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发表于:2019-01-03 / 阅读(314) / 评论(0)

音乐咖啡厅

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2016年VOA慢速英语(九)月

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实用英语

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Beginners. Andorra is one of the smallest countries in Europe. It is high up in the Pyrenees. If you look at the map of Europe, you can see that it lies exactly between France and Spain. It is a very mountainous area that has spectacular views. Thoug

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英语博客 A cup of English

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发表于:2019-02-01 / 阅读(274) / 评论(0)

实用英语

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英语每日一词

英文歌曲:Woohoo

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好听的英文歌曲

何时是生命中的最佳时期？

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发表于:2019-02-05 / 阅读(269) / 评论(0)

英语美文

你会用“短信文”吗

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发表于:2019-02-06 / 阅读(268) / 评论(0)

实用英语

学个词Learn a Word 第354期 Taper off

发表于:2019-02-06 / 阅读(270) / 评论(0)

英语单词荟萃

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图片1 Beginners. Andorra is one of the smallest countries in Europe. It is high up in the Pyrenees. If you look at the map of Europe, you can see that it lies exactly between France and Spain. It is a very mountainous area that has spectacular view

发表于:2019-02-06 / 阅读(216) / 评论(0)

英语博客 A cup of English

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Every mountain has a peak What is the secret ingredient of tough people that enables them to succeed? Why do they survive the tough times when others are overcome by them? Why do they win when others lose? Why do they soar when others sink? The answe

发表于:2019-02-07 / 阅读(277) / 评论(0)

阅读空间

热门单词：“最大负荷”用英文怎么说？

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英文语法词汇

英闻天下——104 Flu Season Peak Expected for North China

Health official says the flu season that started in China's northern provinces in December is expected to peak with infections in the next few weeks. However, Ministry of Health spokesman Deng Haihua said the expected peak infection levels will not r

发表于:2019-02-14 / 阅读(276) / 评论(0)

英闻天下

China braces for another travel peak

China braces for another travel peak BEIJING, Oct. 6 (Xinhua) -- China's transport networks are expected to experience another travel peak Saturday and Sunday, when millions of holiday-makers return as the week-long holiday draws to an end. Trains ar

发表于:2019-02-17 / 阅读(299) / 评论(0)

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automatic dissemination

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bicarbonate ion concentration