单词：phenylisothiocyanates
单词：phenylisothiocyanates 相关文章
The UN refugee agency says it is worried about the security of people living in isolated villages near the former conflict zones of Georgia. It says some 2,300 people from villages in the buffer zone between the Georgian town of Gori and the breakaw
VOA标准英语2008年（八月）
Many of the Burgess specimens have now been assigned to living phyla just where Walcott put them in the first place. 许多布尔吉斯标本现在已经归到活着的动物的门里就是沃尔科特最初放置它们的地方。 Hallucigenia and s
万物简史
This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro
Scientific American(三)月
Fun Fact: Alligators Can Regrow Teeth 有趣的事实：短嘴鳄可以再长牙齿 Fun fact about alligators: they can regrow any of their eighty teeth up to fifty times. Which is pretty impressive, especially compared to us relatively dentally chal
初学者听力文摘精选
its time again for the A Moment of Science mailbag. A listener writes: Dear A Moment of Science, Ive always been fascinated by volcanoes. So I was wondering: How well can scientists predict when and where a volcano will erupt? Intersting question. Th
英语听力文摘 English Digest
This 02 Oct 2009 file photo shows Juan Antonio Samaranch, the former IOC president, speaking during the Madrid 2016 bid presentation during the 121st International Olympic Committee session at the Bella Center in Copenhagen Former International Olymp
VOA标准英语2010年(四)月
This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ
Scientific American(四)月
Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the
Scientific American(十一)月
Bulgarians Biking From Alaska to Argentina 保加利亚人骑自行车从阿拉斯加到阿根廷 Vyacheslav Stoyanov had dreamed of visiting America since he was a young child. Yana Melamed grew up visiting family in the United States. But she long
2016年VOA慢速英语(一)月
By Carol Pearson Washington, DC 29 May 2006 watch Autism Gene report Researchers at the University of Texas Southwestern have been able to genetically change mice so their behavior is similar to some people with autism. The researchers hope their di
2006年VOA标准英语（五月）
RACHEL MARTIN, HOST: There was a gathering here in Washington, D.C. last week that had nothing to do with the inauguration or with politics. It was an occasion for matchmaking, although not a romantic kind. Here, farmers got set up with chefs in an e
2017年NPR美国国家公共电台1月
By Melinda Smith Baltimore, Maryland 05 September 2006 watch report Celiac Disease For thousands of years, human beings have suffered from a genetic disorder that has received attention only in the last few decades. The disorder is called celiac dis
2006年VOA标准英语（九月）
Brazil can concentrate on next years World Cup and then the Olympics in 3 years time. Who will host the next edition of the Summer Games after Rio though, has yet to be determined. It will be either Istanbul, Madrid or Tokyo and all three cities are
CCTV9英语新闻2013年07月
LONDON, Aug. 2 (Xinhua) -- The investigation into the match-throwing scandal in Olympic badminton competition is not over yet. The International Olympic Committee (IOC) has asked for further inquiry to know if coaches and team officials were involved
英语新闻
WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo
英语新闻
今天我们要学的词是mediocre。 Mediocre, 是平庸的意思。A mediocre actor, 演技平平的演员。The coach transformed the mediocre team into a championship contender, 这个教练把一只不怎么样的球队变成了一个冠军赛的
英语单词荟萃
TOKYO, March 4 (Xinhua) -- The International Olympic Committee' s (IOC) Evaluation Commission on Monday kicked off its four-day visit in Japan's capital of Tokyo to assess the city's bid for the 2020 Olympic and Paralympic Games. The Tokyo visit is t
英语新闻
LONDON The London Olympics have come to a close with the International Olympic Committee pleased with nearly all aspects of the organization and the running of the 30th Summer Games. And the United States finished first in the medals standings. At hi
英语新闻
MADRID, March 17 (Xinhua) -- The bid from the Spanish capital city of Madrid to host the 2020 Olympic Games is under the spotlight when the Evaluation Commission of the International Olympic Committee (IOC) visits the city to investigate the details
英语新闻
JOHANNESBURG, July 22 (Xinhua) -- The South African Football Association's request for a postponement of Banyana Banyana's second leg 2012 London Olympic qualifying match against Ethiopia in Addis Ababa on September 11 has been rejected by their oppo
英语新闻