单词：isotopic labelling
单词：isotopic labelling 相关文章
CHAPTER THREE READING [00:04.49]Blind man and eyes in fire drama [00:14.34]John F Dancer's troubles [00:19.70]began as soon as he walked into the Dragon's Head Hotel with his friend,Charlie. [00:29.15]Together they went to the reception desk. [00:34.
上海牛津初中英语八年级
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 2015-11-14 New EU Labeling Rule for Israeli Settlement Products 欧盟为来自以色列定居点的产品制定新标签法规 The European Union is requiring Israel to identify products that are made in disputed territory and sold in Europ
2015年VOA慢速英语(十一)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
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
The European Union approved new guidelines Wednesday calling for labels identifying goods made in Israeli settlements in a move swiftly condemned by Israel. 欧盟星期三批准了新准则，呼吁把以色列制造的商品都打上标签，此举立
英语新闻