示踪化学;指示剂化学

VOA慢速英语2014 Remember Your Chemistry Classes?

As It Is - Remember Your Chemistry Classes? An international team of researchers recently reported creation of a new element that is 40 percent heavier than lead. The researchers successfully developed what they are calling Element Number 117 at a la

发表于:2019-01-03 / 阅读(63) / 评论(0)

2014年VOA慢速英语(八)月

VOA标准英语2010年-Oberlin Conservatory of Music Gives Di

Having the opportunity to take on a diverse range of classes such as economics and chemistry along with her music studies is the perfect combination for Diane. Marsha James | Washington DC 10 August 2010 Oberlin Conservatory of Music Student Diane Ly

发表于:2019-01-13 / 阅读(47) / 评论(0)

VOA标准英语2010年(八)月

科学美国人60秒 SSS Nobel in Chemistry for Molecular Machines

This years Nobel Prize in Chemistry is about the worlds smallest machines. G?ran Hansson, secretary general of the Royal Swedish Academy of Sciences, earlier this morning. The Royal Swedish Academy of Sciences has decided to award the 2016 Nobel Priz

发表于:2019-01-17 / 阅读(78) / 评论(0)

2016年Scientific American(十)月

VOA标准英语2009年-3 Scientists Share Nobel Chemistry Prize f

By Tom Rivers London 07 October 2009 Ada Yonath (file photo) Two Americans and one Israeli share this year's Nobel Prize in Chemistry for their work showing how the DNA code is translated into life itself. Americans Venkatraman Ramakrishnan and Thom

发表于:2019-02-03 / 阅读(49) / 评论(0)

VOA标准英语2009年(十月)

VOA常速英语2007-German Scientist Wins Nobel Chemistry Prize

By Kevin Billinghurst Stockholm 10 October 2007 The 2007 Nobel Prize for Chemistry has been awarded to Gerhard Ertl of the Max Planck Society in Berlin. Kevin Billinghurst has the story from Stockholm. The Royal Swedish Academy of Sciences honors Pr

发表于:2019-02-04 / 阅读(50) / 评论(0)

2007年VOA常速英语（十月）

VOA标准英语10月-Japanese, American Scientists Win Nobel Chemistry

A Japanese and a pair of American scientists captured this year's Nobel chemistry prize for discovering a glowing green protein in jellyfish that can be used to spot the beginning of diseases like cancer. Lisa Bryant has more on the prestigious awar

发表于:2019-02-06 / 阅读(46) / 评论(0)

VOA标准英语2008年（十月）

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学英语单词

.arc files

a word in sb's ear

Abderhalden-Fauser reaction

be under an obligation to sb.