单词：potential energy of molecule
单词：potential energy of molecule 相关文章
By Peter Fedynsky Kyiv 30 September 2007 Ukrainians cast their ballots in a special parliamentary election, in which domestic and international observers sought to assure an honest vote.Opposition leader Yulia Tymoshenko says she will ask President V
2007年VOA标准英语（九月）
OK, great, we smell vibrations. How? All right? 好吧，我们闻到的是震动。怎么闻到呢？ Now when people ask this kind of question, they neglect something, which is that physicists are really clever, unlike biologists. 当人们问这个问
TED演讲教育篇
Welcome to This I Believe, an NPR series presenting the personal philosophies of remarkable men and women from all walks of life. Support for NPR Podcasts comes from Visa, offering the Visa signature card, featuring concierge services for travel, din
2007年NPR美国国家公共电台
Do you like working up a sweat? Or do you feel like maybe sweat should work for you? Well, hold on to your sudoriferous glands. Because researchers have designed a device that could someday produce power from your perspiration. The schvitzy scheme wa
2014年Scientific American(八)月
Welcome to the Science Talk, the weekly podcast of Scientific American posted on February 18th, 2010. I am Steve Mirsky. And you know what the hottest sport in the world is right now? Thanks to the Winter Olympics, it is, of course, curling. That's t
Scientific American(二)月
Potential energy in a crossbow When we think of the concept of energy, we often think of objects in motion: a car rolling down a hill or a jogger running up a hill. This kind of energy-in-motion, called kinetic energy, isnt the only kind of energy. A
英语时差8，16
And it's why, over the last eight years, we've modernized the government's approach to innovation for the 21st Century. 也因此,在过去的8年里,我们让政府在21世纪的创新方式上现代化。 We've jumpstarted a clean energy revolution
奥巴马每周电视讲话
Apatites- a family of calcium phosphate salts which are found in hard tissues like bone, teeth and shells. Apoptosis - death of a cell which is programmed by a set of specific genes. Apoptosis of chon
医务英语
New research suggests ayahuasca, a jungle vine found in the Peruvian rainforest, can have a powerful effect on the human central nervous system when brewed with other plants. Researchers say one of ayahuasca's most promising uses could be in treating
VOA标准英语2010年(三月)
By Selah Hennessy London 20 October 2009 A global watchdog group says world oil supplies are running low and that may lead to food shortages and spiraling armed conflict. Britain-based Global Witness says governments are doing nothing to prepare for
VOA标准英语2009年(十月)
Fusion is how stars produce energy. It occurs when the nuclei of light atoms, such as hydrogen, are fused together under extreme pressure and heat. Tokamak Energy, from Oxfordshire, believes that the third version of their compact, spherical tokamak
2015CRI中国国际广播电台
BEIJING, Sept. 6 (Xinhuanet) -- Scientists from Tufts University of the U.S. have created the world's smallest electrical motor in a single molecule. The finding was published in the journal Nature Nanotechnology on Monday. In the research, scientist
英语新闻
HEALTH REPORT - Molecule in Soy May Reduce Risk of Colon Cancer By Jerilyn Watson Broadcast: Wednesday, June 02, 2004 This is the VOA Special English Health Report. Foods made from soybeans are increa
健康与经济
By Mike O'Sullivan Los Angeles 11 February 2008 Striking Hollywood writers could return to work this week to end a three-month strike that has crippled film and television production. The news raises hopes that the Academy Awards, or Oscars, may go a
VOA常速英语2008年（二月）
By Lisa Schlein Geneva 15 September 2007 The United Nations warns floods in West Africa could provoke an invasion of locusts in Mali and Niger. It says it is critically important that UN experts be given access to the locust-prone region so they can
2007年VOA标准英语（九月）
By Jessica Berman Washington 19 March 2008 For the first time ever, astronomers using the Hubble space telescope have discovered the presence of the organic molecule methane in the atmosphere around a planet outside our solar system. While astronomer
VOA标准英语2008年（三月）
How to Create Passion Anywhere and Anytime Remember Science class? Mr. Thatcher, sophomore year in high school, taught us about potential and kinetic energy. I was way more interested in Pam Miller, who sat perilously close to me. But on Mr Thatcher
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Swinging Physics: Potential And Kinetic Energy Working Together 动能与势能相互作用 动能是所有能看到的运动的能量，包括物体的，微粒的或质点集的运动等。 势能(Potential energy )是位置的函数，例如把一个
英语听力文摘 English Digest
Sit on a swing, let someone push you, and away you go. But what happens if the person who pushed you walks away, and you want to swing faster and higher. If you've ever been in the second grade, you know the solution to that. Just start pumping your
英语时差8，16