单词：soil particle density
单词：soil particle density 相关文章
By Gary Garriott Broadcast: July 29, 2003 This is Bill White with the VOA Special English Agriculture Report. Soil conservation efforts protect soil from wind and water that can blow or wash it away.
VOA2003（下）-农业与经济
The Excitement of Three-Part Phrasal Verbs Popular music can teach you a lot about the English language. You may not realize it, but musicians are actually teaching you about English grammar in each song they perform. Consider this song by the famous
2016年VOA慢速英语(九)月
1998 翻译延伸 5、Odd though it sounds, cosmic inflation is a scientifically plausible consequence of some respected ideas in elementary particle physics, and many astrophysicists have been convinced for the better part of a decade that it is tru
考研英语长难句讲解
雅思听力场景词汇:化学词汇 在雅思听力考试场景中，化学相关的场景的词汇较为生涩，平时生活中可能也运用得比较少，以下的词汇供大家参考喔。 molecule 分子 particle 粒子 ion 离子 particle
雅思英语
Transcript This is Scientific American's 60-Second Science, I am Cynthia Graber.This will just take a minute. Physicists at the Brookhaven National Laboratory have been able to send information ahead of particle beams racing at nearly the speed of li
Scientific American(二)月
模仿文本：Deep underground here on the Swiss-French border, a momentous scientific discovery earlier this year had tabloid headline writers for claiming the discovery of the God particle in the subatomic shrapnel from a man-made Big Bang. But wa
英音模仿秀
Mars Rover to Begin Taking Soil Samples This Week Jessica Berman NASA engineers say the Mars rover will begin taking its first soil samples as soon as it departs the landing platform . Engineers say t
VOA2004（上）--各类新闻
It was supposed to be the greatest science experiment ever, and it's certainly the most expensive. The large hadron collider designed to recreate the Big Bang theory with colliding particles has so far cost nearly 10 billion dollars and counting. Sci
cnn2009年(十一)月
This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? The 2008 Nobel Prize in physics goes to an American and two Japanese scientists for work related to symmetry in particle physics. In the early 1960s, Yoichiro Nambu of
Scientific American(十)月
This is Scientific American's 60-Second Science, I'm Steve Mirsky, got a minute? Every Star Trek fan knows theres matter and antimatter, but why is there apparently so much more matter than antimatter？Scientific American's JR Minkel: Two recent exp
Scientific American(四)月
AS IT IS 2015-05-25 Americas Famous Front Lawn Gets Overhaul Almost two kilometers of green grass stretch from the front of the U.S. Capitol building to the Washington Monument. Thousands of people walk on it every day. They also play games, have pic
2015年VOA慢速英语(五)月
Fermilab Scientists Optimistic About Finding Higgs Boson Particle Scientists at the CERN laboratory in Geneva, Switzerland say they are encouraged by new data suggesting their Large Hadron Collider, the world's most powerful atom-smasher, is one step
VOA标准英语2011年(十二月)
Books and Arts; Quantum physics 文艺；量子物理学 House of dreams；Scientists race to explain why the Higgs boson matters 想象的殿堂；科学家竞相解释为什么希格斯玻色子至关重要 Higgs Force: The Symmetry-Breaking Force
经济学人文艺系列
The Big Bang theory isn't about the bang itself but about what happened after the bang. Not long after, mind you. By doing a lot of math and watching carefully what goes on in particle accelerators, scientists believe they can look back to 10-43secon
万物简史
How about 'Pig Supreme'? asked one of the lambs. 细皮肥猪怎么样？一只小羊问道。 No good, said Charlotte. It sounds like a rich dessert. 不好，夏洛说，这听上去像油腻的菜名。 How about 'Terrific, terrific, terrific'? as
夏洛的网
43 空气污染能引发心脏病 DATE=7-6-01 TITLE=ENVIRONMENT REPORT - Pollution Linked to Heart Attacks BYLINE=Cynthia Kirk （Start at 59
自然探索
China's proposed supercollider will be twice the size of the Large Hadron Collider or CERN in Switzerland that helped discover the Higgs Boson or the God Particle in 2012. It will also serve as a symbol of the country's rise as a global superpower by
英语新闻
GENEVA, Sept. 26 (Xinhua) -- Two million people worldwide are estimated to die from air pollution each year, the Geneva based World Health Organization (WHO) said in its air quality report published on Monday. According to data collected by the WHO f
英语新闻
Scientists with the European Organization for Nuclear Research, or CERN, have begun working again after a two-year hiatus. The Large Hadron Collider was shutdown in 2013 for a major refit. It's allowed for its power to be doubled, enabling scientists
英语新闻
IN THE NEWS - Scientists May Have Found 'God Particle' 新闻报道 - 科学家们可能发现了上帝粒子 This is IN THE NEWS in VOA Special English. 这里是美国之音慢速英语新闻报道。 This week, scientists in Switzerland reported a
2012年VOA慢速英语(七)月