单词:tetrakosane
单词:tetrakosane 相关文章
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
Goods flowed down this riverway from France and Switzerland on their way to the sea for transshipment all over Europe. Nobles along the way collected tolls, but big profits could still be made by whol
EXPLORATIONS - November 27, 2002: Keiko the Whale By Jerilyn Watson VOICE ONE: This is Mary Tillotson. VOICE TWO: And this is Steve Ember with the VOA Special English program EXPLORATIONS. Today we te
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
EXPLORATIONS - Koshland Science Museum By Broadcast: Wednesday, March 02, 2005 (MUSIC) VOICE ONE: I'm Steve Ember. VOICE TWO: And I'm Faith Lapidus with the VOA Special English program EXPLORATIONS. T
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