标签:solar 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
Paintable Solar Cells May Replace Silicon-Based Devices 可喷涂太阳能电池可能取代硅基电池板 Solar panels are manufactured in factories. Some of the devices are made with cadmium chloride, a substance shown to be harmful to human healt
This was the first permit of its kind in Oregon. 下面是这类技术在俄勒冈州第一个通过法令的例子。 Brave and open-minded people sat down and felt comfortable saying, Yeah, that shit makes sense. 勇敢而心胸开阔的人们在圆桌
So the solar system is really quite enormous. By the time we reach Pluto, we have come so far that the Sunour dear, warm, skin-tanning, life-giving Sunhas shrunk to the size of a pinhead. It is little more than a bright star. 所以,太阳系确实是
Now the first thing you are likely to realize is that space is extremely well named and rather dismayingly uneventful. Our solar system may be the liveliest thing for trillions of miles, but all the visible stuff in itthe Sun, the planets and their m
2.WELCOME TO THE SOLAR SYSTEM 2.欢迎来到太阳系 Astronomers these days can do the most amazing things. If someone struck a match on the Moon, they could spot the flare. From the tiniest throbs and wobbles of distant stars they can infer the siz
Instead of burning coal, oil, or biomass to heat things up, scientists have found that its possible to use solar energy. For example, some experimental facilities use thousands of mirrors to reflect sunlight onto a large plate on a tower, heating it