单词：1-methyl-3-pyrrolidinol
单词：1-methyl-3-pyrrolidinol 相关文章
On Friday mornings ,we bring you StoryCorps when people across the country share stories about their lives. And today two parents remember their daughter. Liddie Horsey was born with a rare genetic disorder. It's called Cornelia de Lange Syndrome. I
2007年NPR美国国家公共电台
This is Scientific Americans 60-Second Science. Im Cynthia Graber. This will just take a minute. Saliva contains many useful components: lubricants, enzymes for breaking down food and now compounds that can reveal a persons age. Thats according to a
Scientific American(六)月
Ever get a sour stomach after your morning coffee? Well, you might end up switching to a dark roastbecause that coffee concoction may leave you with a happier tummy. That's according to the research presented at the American Chemical Society meeting
Scientific American(三)月
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单词解析速记
Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. NationalGeographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti
国家地理2008年
M Madasiatic acid 崩大碗酸 Magnoflorine 木兰花碱 Magnolia cortex P.E 厚朴提取物 Magnolol 厚朴酚 Maitake mushroom P.E 灰树花提取物（舞茸提取物） Malonyl Oleanolic acid Hemi
医务英语
AGRICULTURE REPORT - Restrictions on Methyl Bromide By Mario Ritter Broadcast: Tuesday, March 16, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Graphic Image Some chemicals
农业与发展
By Greg Flakus Houston 01 June 2006 In the debate over immigration reform in the United States, some citizens have called for a halt to illegal crossings of the U.S.-Mexico border, while others conten
2006年VOA标准英语（六月）
By Challiss McDonough Cairo 18 May 2006 A disciplinary panel in Egypt has cleared one judge of misconduct charges, but reprimanded another in a case that has become a symbol for judicial independence
2006年VOA标准英语（五月）
By Caty Weaver Broadcast: September 12, 2003 This is Bob Doughty with the VOA Special English Environment Report. Scientists in the United States have reported some good news about the 1)ozone in the
VOA2003（下）-环境与健康
By Lisa Schlein Geneva 23 April 2007 A young boy waits his turn to be tested for malaria, in Manhica, Mozambique (File photo) The World Health Organization says its Roll Back Malaria program is making progress in cutting the number of deaths from thi
2007年VOA标准英语（四月）
By David McAlary Washington 27 December 2006 The United States is proposing to declare polar bears a threatened species because of their shrinking Arctic ice habitat. As we hear from VOA's David McAlary, analysts say the move is an unusual admission
2006年VOA标准英语（十二月）
By Robert Berger Jerusalem 22 October 2006 Palestinian police officer burns tires during a demonstration demanding payment of salaries in Gaza City, October 22, 2006 Members of the Palestinian security forces launched a wave of anti-government prote
2006年VOA标准英语（十月）
North Korean leader Kim Jong Il is still nowhere to be seen, more than a week after South Korean intelligence officials revealed the belief he is recovering from a stroke. As VOA's Kurt Achin reports from Seoul, South Korean officials are trying to
VOA标准英语2008年（九月）
Political Differences Cloud Obama Job Proposals President Barack Obama's speech on the U.S. economy is just the latest in a long history of government proposals to stimulate economies and put people back to work. But with the U.S. economy expanding m
VOA标准英语2011年(九月)
Egyptian archaeologists have discovered the bottom part of an unknown pyramid in the Sakkara area about 18 miles south of Cairo. National Geographic explorer-in-residence Dr. Zahi Hawass, the Secretary General of the Egyptian Supreme Council for Anti
自然百科2008年
Science and Technology Epigenetics and stress Baby blues 科技 外因遗传与压力 新生儿蓝调曲 A mother's stress while she is pregnant can have a long-lasting effect on her children's genes 母亲孕期压力过大会对孩子的基因造成长
经济学人科技系列
By Anjana Pasricha New Delhi 07 January 2007 Bangladeshi Riot Police baton charge as protestors throw bricks during a protest in Dhaka, Bangladesh, 7 Jan 2007 At least 50 people were injured when security forces clashed with protestors in Bangladesh
2007年VOA标准英语（一月）
By Michael Bowman Washington 09 May 2007 Colombian politicians and human rights activists visiting Washington this week say U.S. aid to their country focuses too much on military and anti-drug assistance and not enough on humanitarian needs. The dele
2007年VOA标准英语（五月）
NAIROBI, Feb. 19 (Xinhua) -- Prior to Saturday, there was very little to write or say about Kenya's Philemon Rono, the Kaptagat ( Rift Valley) based distance runner. However, the beauty of Kenyan athletics is stories of rags to riches replicate each
英语新闻