标签：Solar Water 相关文章
By Jill Moss Broadcast: July 28, 2003 This is Bill White with the VOA Special English Development Report. Millions of people around the world cook their food over a smoky fire every day. It is often d
VOA2003（下）-发展与科学
Prototype Solar Cars Train Future Alternative Energy Experts JOHANNESBURG In South Africa, students at the University of Johannesburg have taken on the challenge of building their own solar cars and racing them in competitions. While it offers plenty
VOA常速英语2013年(十二月)
Student Architects Shine in Solar Energy Contest Dreams and designs of young architects are shining brightly in Washington at the bi-annual Solar Decathlon. They have come from around the world, college students combining their education with their i
VOA标准英语2011年(九月)
Solar Eclipse in 1097 May Be Rock Carving Subject 古代雕刻记载天文景观 More than 900 years ago, the Pueblo people were thriving in New Mexicos Chaco Canyon. While they were there, the region experienced what the whole country is looking for
2017年Scientific American(八)月
'Solar Suitcase' Aids Doctors in Developing World Every expectant mother wants a healthy baby. But many clinics in sub-Saharan Africa lack the basics that doctors and nurses need to ensure safe deliveries for parent and child. One of these basics is
VOA标准英语2012年(五月)
Standard medical supplies might seem like an important donation in developing countries but American obstetrician Laura Stachel saw the need for something even more basic: reliable power. Basic need Stachel is crouching on the floor of her Berkeley k
VOA标准英语2010年(五)月
Senegalese Villages Turn to Solar Power In Senegal, growing electricity shortages are forcing more and more people to turn to one of the country's greatest renewable resources, solar energy. There are no power lines running through the village of Lan
VOA标准英语2011年(五月)
The study of a solar-powered blood pressure monitor finds it can be an effective tool in places where electricity and even batteries can be in short supply. A study in Africa found the monitors to be affordable and accurate. High blood pressure is a
VOA标准英语2010年(十一)月
Liberal Arts Students Tackle Solar Home Challenge For college students around the world, the race is on to design and build the most affordable, innovative and attractive solar-powered house. Teams contending for the top prize will reconstruct their
VOA标准英语2011年(八月)
Volunteers Help Scientists in Search for Cheap Solar Cells Most of today's solar cells are silicone-based and their manufacture requires sophisticated machinery and expertise. An average home in the United States uses between 20 and 24 kilowatt hours
VOA标准英语2013年(七月)
(So we can take the solar sunlight, right? create heat force, retain and save in this tank and store.) 20 homes soak off the suns rays on Washington D.C.s National Mall. They need all the energy they can get to power everything from ventilation syste
英语杂谈
KELLY MCEVERS, HOST: We've already broadcast a few stories about the upcoming solar eclipse as an astronomical phenomenon. What about the solar eclipse as a plot device? From a 1907 silent film called The Eclipse: The Courtship Of Sun And Moon to mor
2017年NPR美国国家公共电台8月
AILSA CHANG, HOST: People across the country are gearing up for the solar eclipse on Monday - and not just spectators - energy supply managers, too, especially where you are, David. DAVID GREENE, HOST: Yeah, that's right. Almost half the solar power
2017年NPR美国国家公共电台8月
AILSA CHANG, HOST: A trade dispute has different parts of the solar industry in the U.S. at odds with one another. Two U.S. manufacturers say they cannot compete with cheap solar panels from China. So they're asking regulators to impose a tariff. Tha
2017年NPR美国国家公共电台8月
Shams 1, which opened on March 17th is Abu Dhabi's latest step towards achieving seven per cent renewable energy production by 2020. By that date, Abu Dhabi plans to produce 1,500 mega watts of electricity from solar power alone. Various types of sol
英闻天下
By David McAlary Washington 10 January 2006 Courtesy of NASA Artist's conception of Stardust spacecraft collecting dust from comet Wild-2 A U.S. spacecraft is returning to Earth with a precious cargo
2006年VOA标准英语（一月）
Did you know that in general we have on the average, i guess, about 26 eletronic gadgets in our house and they are constantly all pluging them and charging them and very little that power actually goes to chargers. Some of it is just regularly runnin
英语杂谈
An annular solar eclipse is seen formed over the sky of Burma's ancient historic city of Bagan, 15 Jan 2010 Holly Gilbert, an astrophysicist at NASA, explains the science behind the spectacle of the sun's disappearance. So during a total solar eclips
VOA标准英语2010年(七)月
By Michael Bowman Washington 12 June 2008 The U.S. space agency is planning to send a probe to the sun to gather data and shed light on basic questions about how the star operates and its effects on Earth. VOA's Michael Bowman reports from Washingto
VOA标准英语2008年（六月）
SCOTT SIMON, HOST: For decades men without much education could make a very good living by mining coal. The loss of those jobs has stung as the coal industry has declined. Renewable power, especially solar power, is now where jobs are. So we wondered
2017年NPR美国国家公共电台5月