单词:synthetic organic chemistry
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Autobiography of Nobel Prize Winner: Jean-Marie Lehn I was born on September 30 1939 in Rosheim, a small medieval city of Alsace in France. My father, Pierre Lehn, then a baker, was very interested in
By Mario Ritter Broadcast: July 8, 2003 This is Steve Ember with the VOA Special English Agriculture Report. Recently, a listener in Nigeria told us about an organization called World-Wide Opportuniti
Blended Organic-Conventional Farming Could Feed World In rural Maryland, an hour-and-a-half drive from Washington, Bill Mason is tilling his fields to plant organic maize and soybeans. About two-thirds of his 340 hectares are organic, but not all of
Sam: Now our count it down to Earth Day. We are showing you how to green in every aspect of your life, how to go green. And we are kicking off this series this morning with Deirdre Imus, the author of Growing Up Green!---Baby and Child Care. Now her
1. What's your major in college? 你的专业是什么? 2. What did you major in? 你的专业是什么? 3. What are you majoring in? 你的专业是什么? 4. Why are you so interested in English? 为什么你对英语那么感兴趣? 5. I t
There is nothing like the suggestion of a cancer risk to scare a parent, especially one of the over-educated, eco-conscious type. So you can imagine the reaction when a recent USA Today investigation of air quality around the nation's schools singled
Murchison Meteorite's Chemical Bonanza The 1969 Murchison meteorite was known to harbor complex organic compounds, but a new analysis in Proceedings of the National Academy of Sciences finds that it may also contain millions of chemicals and shed lig
The United States space agency says its Mars exploration vehicle has discovered chemical substances necessary for life. Scientists reported that NASAs Curiosity rover found large amounts of organic molecules in 3.5 billion-year-old rock in an area ca
As It Is - Remember Your Chemistry Classes? An international team of researchers recently reported creation of a new element that is 40 percent heavier than lead. The researchers successfully developed what they are calling Element Number 117 at a la
Broadcast: Mar 17, 2003 Rain hits the 1) shingles on the large covered porch that leads up to David Masumoto's farmhouse. From the porch he can see 90-year-old 2) raisin 3) vineyards his family has te
今天我们要学的词是organic。 Organic, 有机的,绿色的。 Organic product, 有机产品。近年来,美国很多消费者开始崇尚绿色、有机食品。不过,统计数字显示, Organic food accounted for only 3.5% of the fo
AGRICULTURE REPORT - Study Points to Risk in Common Method of Enriching Soil By Jerilyn Watson / Broadcast: Mon, 12 Nov 2007 16:00:00 UTC This is the VOA Special English Agriculture Report. For more than half a century, many farmers worldwide have a
AS IT IS 2016-10-05 Nobel in Chemistry Goes to Makers of Worlds Smallest Machines 2016诺贝尔化学奖:世界上最小的机器 Three scientists have won the Nobel Prize in Chemistry for their work in developing tiny machines. The three men are Jea
More Land Being Used for Organic Farming More land around the world is being dedicated to organic farming. The Worldwatch Institute says since 1999 theres been a more than three-fold increase to 37 million hectares. Organic farming is farming without
Having the opportunity to take on a diverse range of classes such as economics and chemistry along with her music studies is the perfect combination for Diane. Marsha James | Washington DC 10 August 2010 Oberlin Conservatory of Music Student Diane Ly
Voice 1 Hello. Im Marina Santee. Voice 2 And Im Elizabeth Lickiss. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Milk chocola
AGRICULTURE REPORT - Compost: an Organic Way to Better Soil and Crops By Gary Garriott Broadcast: Tuesday, July 05, 2005 I'm Gwen Outen with the VOA Special English Agriculture Report. Many farmers im
By Tom Rivers London 07 October 2009 Ada Yonath (file photo) Two Americans and one Israeli share this year's Nobel Prize in Chemistry for their work showing how the DNA code is translated into life itself. Americans Venkatraman Ramakrishnan and Thom
By Kevin Billinghurst Stockholm 10 October 2007 The 2007 Nobel Prize for Chemistry has been awarded to Gerhard Ertl of the Max Planck Society in Berlin. Kevin Billinghurst has the story from Stockholm. The Royal Swedish Academy of Sciences honors Pr
The Organic Foods Are organically grown foods the best food choices? The advantages claimed for such foods over conventionally grown and marketed food products are now being debated. Advocates of organic foods -- a term whose meaning varies greatly -