单词：isotopic labeling
单词：isotopic labeling 相关文章
[00:02.16]They own the soybean. 因为他们独占了大豆 [00:03.68]They are going to control that product 对这种农作物 [00:07.36]from seed to the supermarket. 他们从种子到超市里的商品都有控制权 [00:10.68]They are, in effect,
听电影学英语-食品公司
SCIENCE IN THE NEWS - California Voters Reject Food Labeling Requirement From VOA Learning English, this is SCIENCE IN THE NEWS in Special English. Im Bob Doughty. And Im Faith Lapidus. Today, we tell about an effort to require food producers to iden
2012年VOA慢速英语(十一)月
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. The Earths crust is old. Billions of years old. So old that its nearly impossible to imagine. And now scientists have discovered what may be the oldest
Scientific American(九)月
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres definitely methane on Marsand there are seasonal variations of how much is being released into the thin Martian atmosphere. Which means that Mar
Scientific American(一)月
What does an 800-pound gorilla eat? If you said: anything it wants, youre not thinking like a scientist. A scientist would say, Let me analyze the isotopic composition of its excreta and Ill get back to you. Because a new study shows that the ratio o
Scientific American(十二)月
AGRICULTURE REPORT — November 12, 2002: Organic Food Labeling By Mario Ritter This is the VOA Special English Agriculture Report. Last month, Secretary of Agriculture Ann Veneman announced a program
农业与发展
This is the VOA Special English Agriculture Report. New rules will let millions of Americans know where more of their food came from. The law is known as COOL -- Country of Origin Labeling. Congress first passed the law in two thousand two. Stores h
VOA慢速英语2008（十）月
Scientists Closer to Solving Plain of Jars Mystery A new group of human remains has been uncovered on the Plain of Jars in Laos. They are believed to date back to the Iron Age, some 2,500 years ago. The Plain of Jars is in the central Lao province of
2016年VOA慢速英语(三)月
Very shortly, the decennial - meaning every-10th-year - census of the nation's population, which is mandated by the U.S. Constitution, will get underway. And there's a lot more to it than just trying to count the number of Americans. The population k
VOA标准英语2010年(二月)
Idiom: Pot calling the kettle black ( the same ) Hit the book: Rotate Sticky Residue Flourish Spoiled product Cross-contamination Rinse Detergent DATE AND ROTATE AND THROW AWAY If you don't do anything else, do this. Not only is labeling required by
趣味青春英语
AGRICULTURE REPORT - Congress Delays Country-of-Origin Labeling By Mario Ritter Broadcast: Tuesday, January 27, 2004 This is Faith Lapidus with the VOA Special English Agriculture Report. The United S
农业与发展
BEIJING, Nov. 4 (Xinhuanet) -- The amount of trans fat and other nutritional information will be marked on the labels of prepackaged food, according to the country's first national standard for food nutrition. The labeling will take effect on Jan 1,
英语新闻
An Israeli-Palestinian Battle With Roots In Lingerie SCOTT SIMON, HOST: The Israeli-Palestinian conflict is shifting to a financial front as Americans and Europeans raise questions about products made in Israeli-occupied areas. Europe has product lab
2016年NPR美国国家公共电台8月
I have a friend, proposed to his sweetie. He was an economically rational person. 我有个朋友，向他女友求婚。他是个会过日子的人。 He said to his sweetie, Let us marry. Let us merge our interests. 他对他女友说，咱们结婚吧
TED演讲教育篇
Compston's machine allowed such rocks to be dated with unparalleled precision. 康普斯森的仪器能以无与伦比的精确度测定这些岩石的年代。 The prototype SHRIMP was built and machined in the Earth Science department's own worksho
万物简史
EU Plans Labeling of Israeli Products Made in Occupied Territories欧盟计划把以色列被占领地区的商品打上标签 伦敦欧盟正在推行着强使在西岸（巴勒斯坦约旦河以西地区，以色列人称为犹太和撒马利亚(东耶
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