单词:Variable-speed wind turbines
单词:Variable-speed wind turbines 相关文章
This is the VOA Special English Agriculture Report. For centuries, farmers have used windmills to pump water, crush grain and perform other tasks. Today, farmers can earn money with high-powered wind turbines that produce electricity. Wind power has
France Hopes to Get More Wind Energy from Its Coasts France recently launched its first floating wind turbine. The new turbine is called Floatgen. It is near the countrys western coast. Makers of the turbine say it is able to provide electricity for
This is Scientific Americans 60-Second Science, Im Karen Hopkin. This will just take a minute. Last month, President Obama pledged nearly half a billion dollars toward the development of solar and geothermal energies, but what about wind? A team of s
Wind turbines are cool. You're going to love them 风力发电机很酷 你们会爱上它们 They'll be a source of pride 它们将是自豪的来源 The solar cell that powers my never winded watch 为我这块不用上发条的手表提供电能 I
US Fishermen Fear the Growth of Wind Power Industry Fishermen on the northeastern coast of the United States are voicing concerns about the development of offshore wind power. Some of the fishermen are based in New Bedford, Massachusetts. The town wa
Amid the recent economic downturn, demand in the U.S. is rising for small wind turbines to power people's homes. The American Wind Energy Association says sales of such turbines rose 15 percent in 2009. One man in Florida is generating his own power
By Zulima Palacio Washington, DC 24 April 2006 watch Wind Power report It is estimated that the world's consumption of energy will increase by 60 percent over the next 20 years. Today half of U.S. ele
By Claudia Blume Hong Kong 18 March 2007 Buzzing Hong Kong is better known for keeping lights on all night and the Wind turbine air conditioner running full blast, not saving energy. But engineers in the city have introduced an innovative wind energ
The government has approved plans for Australia's biggest wind farm to be built near the outback town of Broken Hill in New South Wales. Almost 600 turbines will generate enough electricity for more than 400,000 homes. A forest of giant turbines wil
WHO: Millions Die Every Year from Air Pollution From VOA Learning English, this is Science in the News. Im Anna Matteo. And Im Christopher Cruise. Today on the program, we look at our natural world. We report on the price of air pollution on human li
By Mike O'Sullivan Los Angeles 01 March 2006 Windmills in California Windmills are sprouting across the United States, as Americans search for non-polluting alternative energy sources. The West Coast
Wind Turbines Take Steep Toll On Birds And Bats Estimates by the Department of Energy indicate that in the United States alone, there will be more than 100,000 wind turbines by 2030. John Anderson is policy director at the American Wind Energy Associ
Scientists Aim to Boost Efficiency of Wind Farms 科学家致力于提高风力发电的效率 Modern wind turbines usually operate in groups or so-called wind farms, some of them with more than 100 turbines. But the air turbulence they create decrea
Study: Off-shore Wind Farms Tame Hurricanes 研究发现风力发电厂能减弱飓风危害 Wind energy is one of the fastest growing sources of new electricity around the world. In 2012, global wind energy capacity grew by 19 percent, with more tha
Electricity is in the news at the moment. Its the middle of winter, and some parts of New Zealand are very cold. Do we have enough electricity in this country to keep us warm this winter or in the future? For the past 43 years, the Cook Strait power
Beginners. Ellensburg is a town that is about an hour and a half's drive from Wenatchee. If you take the main road towards Seattle, you will find it on the way. The town is situated in a very wide valley that is pretty and green, especially at the mo
Wind Farmers Go To School On Fish Designing wind farms with close packing of turbines, based on schooling fish, could greatly increase efficiency, say researchers at a meeting of the Division of Fluid Dynamics of the American Physical Society. Cynthi
The Dutch did not invent windmills, but they put them to good use, powering industrial machinery and, especially, draining low-lying fields. Have you ever seen a sunflower twist itself to face into the sun so that it can soak up light energy all day
Last month, President Obama pledged nearly half a billion dollars toward the development of solar and geothermal energies. But what about wind? A team of scientists estimates that wind turbines in the continental U.S. could produce 16 times more ele
Meridian Energy has decided not to go ahead with their plan to put 176 wind turbines in Central Otago. Local people set up a protest group. This group has spent a lot of time and money fighting to stop Meridian Energy for the last six years. In 2009,