单词:tetraarylstannane
单词:tetraarylstannane 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
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
By George Dwyer Washington, DC 25 July 2006 watch California Energy report California is facing a power emergency in the wake of record high temperatures. Air conditioning units across the state are set on high and consumers are being urged to conse
By Lisa Schlein Geneva 22 June 2006 U.N. Secretary-General Kofi Annan says he believes Iran is prepared to engage in serious negotiations regarding its controversial nuclear program. The secretary-general met with Iranian Foreign Minister Manouchehr
By Patricia Nunan Kathmandu 08 February 2006 Polls have closed in Nepal's controversial municipal elections, which King Gyanendra said would be the first step toward restoring democratic freedoms acro
He made his fortune in oil, but energy tycoon T. Boone Pickens has now embarked on a national public relations campaign to move the country away from oil and towards a renewable energy future. But, as VOA's Greg Flakus reports from Houston, many ene