标签:Solar Water 相关文章
Scientists Improve Space Weather Forecast Accuracy 科学家改进空间天气预报准确性 At one time, scientists thought the space between Earth and Sun was a vacuum . But we now know that the su
1. A? His father. B? His mother. C? His brother. D? His sister. 2. A? A job opportunity. B? A position as general manager. C? A big travel agency. D? An inexperienced salesman. 3. A? Having a break. B? Continuing the meeting. C? Moving on
In 2001 a new NASA probe was launched. Called Odyssey, it was sent to Mars to carry out the most detailed analysis ever of the planet’s surface. What it has discovered may be about to answer one of
15 Tech Gift Ideas for 2015 2015年15个科技礼物点子 Not sure what gift to get your loved one? Think technology! Consider these fun and useful tech gift ideas. You do not have to be a high-tech expert to get excited about these gifts. You may e
First up today. A new museum display from Washington D.C. just out this world. At least it has been. The special Discovery reached its retirement home yesterday. Before we talk about that arrival, Johns Reller looks back the shuttle's history and spa
Narrator: Exercise 3.9. Lecture 3: Electric cars? Solar-powered buses? When most people imagine solutions to the problems of city air pollution they probably think of electricity and solar power. But the problem with an electric car is that the elect
每个人都会犯错。即使曾经是黑社会的成员,即使曾经犯过毒,也都有重新来过的机会。 所以,我们不应该因为自己以前犯过的一些错误而一蹶不振。打起精神来吧! I was the gang member. I was the drug dealer. I turn out the worst of all my brothers, you know, and
Well, it's helped us, but we're a little different in the sense of the amounts of money that we have received thus far. Ours has been about $22 million. We received money basically in categorical grants. We got CDDB or community development funds, we
Mercury 水星 Which planet is the closest to the sun in the solar system? 太阳系中哪颗行星离太阳最近? It is Mercury. It is also the smallest planet in the solar system. 水星。它也是太阳系中最小的行星。 How small is Mer
But the sun's violent burst can harm us, its active nature is what allows us to live at all, because the sun also eject the solar wind, and energized stream of particles that head out into space, and that we can see passing-off as it bounces off our
Rwanda Opens Biggest Solar Power Plant in East Africa 卢旺达开办东非最大的太阳能发电厂 The biggest solar power factory, or plant, in East Africa recently opened in Rwanda. Solar power is produced from sun light. The plant is in Agahoz
AS IT IS 2015-08-28 Fighting Climate Change Important to President Obama 应对气候变化对奥巴马总统而言至关重要 President Barack Obama remains focused on the fight against climate change even as he fights to win support for the Iran n
Large Windows Could Capture Solar Energy 利用大窗户吸收太阳能 Solar cells have been around since the 1950s. But now there is a race to develop transparent solar cell that can cover windows of buildings and still capture the suns light for e
Earths Arctic Ice Disappears, Scientists Study Nearest Exoplanet Each year, more ice disappears from the Arctic Ocean. A new study blames human activity for the loss. The damage is caused, the study says, by greenhouse gases coming from vehicles, air
改革难民营能源供给方式或能拯救人民生命 The global displacement of people has reached its highest ever level who makes 59.5 million people have been forced to leave their homes according to the United Nations. Refugee camps are swel
Weekly Address: President Obama Touts Nearly $2 Billion in New Investments to Help Build a Clean Energy Economy 每周电视讲话:奥巴马总统提出近20亿美元的投资计划助建清洁能源经济 WASHINGTON In this weeks address, Presiden
JUDY WOODRUFF: So, how meaningful are this weekend's pledges? And does it signal a fundamental change in how we will get our energy? Fred Krupp is the president of the Environmental Defense Fund. He's back from Paris. And Robert Bryce is a senior fel
But let's pretend again that we have made it to the Oort cloud. The first thing you might notice is how very peaceful it is out here. We're a long way from anywhere nowso far from our own Sun that it's not even the brightest star in the sky. It is a
Even after stripping out the more crackpot notions there are still more theories for what caused the extinction events than there have been events. 即使去掉了不大切合实际的观点以后,解释灭绝事件原因的理论依然多子事件本
Solar power is helping bring about a future of cleaner energy, but there are limits to where rigid solar panels can go. A new kind of flexible solar cell made with a mineral called perovskite can go almost anywhere, says physicist Olga Malinkiewicz.