单词：isotopic dilution method
单词：isotopic dilution method 相关文章
This is the VOA Special English Health Report. The crisis at the damaged Fukushima Dai-Ichi Nuclear Power Station in northern Japan has raised worries about radiation risks. We spoke Tuesday with Jonathan Links, an expert in radiation health sciences
2011年VOA慢速英语(三)月
By Robert Berger Jerusalem 12 September 2007 Israelis are observing the Jewish New Year, Rosh Hashanah, one of the holiest days on the Hebrew calendar. As Robert Berger reports from VOA's Jerusalem bureau, the holiday season takes place against the b
2007年VOA标准英语（九月）
From NPR news in Washington, I'm Lakshimi Singh. The government's consumer watchdog plans to force banks to use a new set of criteria aimed at identifying whether potential borrower is likely to afford a mortgage. Richie Corttery, director of the con
2013年NPR美国国家公共电台1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
AS IT IS 2015-08-11 Opposition Blocks Indias Economic Reform Laws 反对派阻拦印度经济改革法律 In India, government efforts to reform the economy have slowed. The reason: the political opposition is blocking the passage of legislation thro
2015年VOA慢速英语(八)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
Twelve years ago, writer-director James Cameron made Titanic, an epic romance that became the highest-grossing film in Hollywood history. He is making cinema history again with groundbreaking new 3D technology that puts audiences in the middle of his
VOA标准英语2009年(十二月)
NATO's new strategy in Afghanistan is part military offensive, part training the Afghan security forces, part fostering civil society and part talking with at least some members of the Taliban, to entice them to join the government side. But, talking
VOA标准英语2010年(二月)
Le Pen Vows Strong Return Despite Far Right's Failure in French Election LONDON Frances far right National Front Party has failed to make gains in regional elections, despite coming out on top in the first round of voting. Tactical voting by National
VOA标准英语2015年(十二月)
极右政党国民阵线遭挫败 Supporters of the National Front party made their feelings clear as results trickled in from across France. Despite winning six out of 13 regions in the first round, the party failed to gain control of any of the 13
VOA标准英语2016年(二月)
法国国民阵线党未能赢得决选 Supporters of the National Front party made their feelings clear as results trickled in from across France.Despite winning six out of 13 regions in the first round,the party failed to gain control of any of the
VOA标准英语2016年(二月)
Love is the one thing that transcends time and space. 各位听众大家好！今晚的Action Frames将送上一部2014年诺兰的科幻力作《星际穿越》。今年颁奖季中，它获得奥斯卡六项提名，并获得最佳视觉效果奖。震
中国传媒大学英语电台
Business 商业 Dual-class share structures 双重股份结构 The cost of control 控制的成本 The trouble with non-voting shares 没有表决权的股票带来的麻烦 SHAREHOLDERS in News Corporation have only themselves to blame. 新闻集团的
经济学人商业系列
Business Dual-class share structures The cost of control 商业 双重股份制结构 控制的代价 The trouble with non-voting shares 无选举股份的麻烦 SHAREHOLDERS in News Corporation have only themselves to blame. When they entrusted Rupe
经济学人商业系列
Nothing makes individuals more willing to take risks than the sight of other people getting rich. 没有什么能比眼看着别人发财致富而让个人更愿意承担风险了。 But bitcoin is also different from ICOs. 但是，比特币也不同于
经济学人财经系列
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
essential英[??sen?l] 美[??s?n??l] adj.基本的;必要的;本质的;精华的 n.必需品;基本要素;必不可少的东西 必不可少;至关重要;本质的;基本 词形变化: 复数：essentials 派生词: essentiality essentialness 双语例句
托福英语
What happens is that surface waters, as they get to the vicinity of Europe, 情况是这样的：表面海水抵达欧洲附近以后， grow dense and sink to great depths and begin a slow trip back to the southern hemisphere. 密度增加，沉到深
万物简史