[化] 丁四硝酯; 赤藓醇四硝酸酯; 赤藓糖醇四硝酸酯
[医] 硝酸赤藓醇, 赤藓醇四硝酸酯

This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang

发表于:2018-12-24 / 阅读(71) / 评论(0) 分类 Scientific American(一)月

T Tanshinone IIA 丹参酮IIA Tanshinone I 丹参酮I Tanshinone IIB 丹参酮IIB Taraxasterol 蒲公英甾醇 Taraxerol 蒲公英赛醇 Tauro ursodesoxy cholic acid 牛磺熊去氧胆酸 Taxifolin 花旗

发表于:2019-01-03 / 阅读(60) / 评论(0) 分类 医务英语

By Rebecca Ward Heilingendamm, Germany 08 June 2007 While leaders from the eight industrialized nations meet behind closed doors -- journalists wait for a headline or a photo-op to send home to their editors. But at a media event of this scale -- wi

发表于:2019-01-07 / 阅读(95) / 评论(0) 分类 2007年VOA标准英语(六月)

STEVE INSKEEP, HOST: Audiences had an unusual opportunity over the weekend to see classic movies the way they were originally projected. The TCM Classic Film Festival in Hollywood played movies on old-style nitrate film. It's very rare and beautiful

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Award-winning actress wins acclaim for her ability to transform into whatever the role requires Nancy Greenleese 10 February 2010 Photo: Universal Pictures Meryl Streep scored two Golden Globe nominations for Best Actress (Comedy or Musical) for It's

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10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur

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