单词：iminodiacetic acid (IDA)
单词：iminodiacetic acid (IDA) 相关文章
Acid Rain 酸雨 Damage from acid rain is widespread - not just in eastern North America, but throughout Europe, Japan, China, and Southeast Asia. Is the rain that's falling on your umbrella acidic? A listener's question -- on today's Earth and Sky. J
(科普英语)Earth and Sky
The Zhenjiang vinegar is made from sticky rice. 镇江香醋的原料是糯米 Production starts with soaking the sticky rice. 浸泡过的糯米经过高温蒸煮 The rice is first steamed in high temperatures until the starch component gets sticky.
舌尖上的中国第一季
How does acid deposition affect human health? We eat food, drink water, and breathe air that has come in contact with acid deposition. Canadian and U.S. studies indicate that there is a link between t
知性英语
By Paula Wolfson White House 24 July 2007 President Bush is stressing the link between al-Qaida and Iraq, as he seeks to build support for his war policy. VOA White House correspondent Paula Wolfson reports Mr. Bush says terrorists in Iraq pose a dir
2007年VOA标准英语（七月）
By Birungi Machrine Kampala 26 November 2007 Attacks using acid are becoming more frequent in Uganda. Up to 2003, there were only 145 recorded attacks, but over the last three years, there have already been 87. Survivors often suffer from severe emot
VOA常速英语2007年（十一月）
Laurie Kassman Top U.S. officials say the terrorist group al-Qaida is poised to hit the United States sometime during the next several months. U.S. Attorney General John Ashcroft says authorities are
VOA2004（上）--国际时事