单词:energy converslon materials
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VOICE ONE: Im Steve Ember. VOICE TWO: And Im Barbara Klein with EXPLORATIONS in VOA Special English. Today we tell about the Washington, D.C. Green Festival that took place earlier this month. An estimated thirty thousand people attended this two-da
This is Scientific American's 60-Second Science, I am Steve Mirsky, got a minute? You are pulling the tape off the roll and it starts to tear, or you are moving wallpaper and it refuses to strip off in strips or in what may be the most infuriating ca
Matthew: Hey Kat, you were just telling me about all the pros and cons of different renewable energies and you just got me thinking we're going to run outof oil in the next couple of decades. There's reports that say we're going to run out of oil in
MR CAVORS FLYING MACHINE When I first met Mr Cavor, he was about to finish building the machine in which he planned to travel to the moon. As it had neither wings nor an engine, I was amazed and asked him how his machine could fly. The secret lay in
WHAT CAN WE DO ABOUT GLOBAL WARMING? Dear Earth Care, I am doing a project on behalf of my school about global warming. Sometimes I feel that individuals can have little effect on such huge environmental problems. However, 1 still think people shoul
Last month, China banned imports of some waste materials that can be reused in manufacturing. The move is forcing other countries to rethink their policies on recycled waste. Before the ban, China was the first resting place for about half of the wor
BUENOS AIRES, July 1 (Xinhua) -- Argentina has ratified its commitment to the peaceful use of nuclear energy, the Foreign Ministry said in a statement Monday. Argentina has a strong commitment to the implementation of the actions needed to avoid havi
Mr Cavors Flying Machine When I first met Mr Cavor, he was about to finish building the machine in which he planned to travel to the moon.As it had neither wings nor an engine,I was amazed and asked him how his machine could fly.The secret lay
By Suzanne Presto New York 30 August 2007 FBI agents were called to a United Nation's building near the headquarters Thursday to remove vials of a possibly hazardous material found in weapons inspectors' offices. From VOA's United Nation's bureau, Su
SCOTT SIMON, HOST: The world Philip Pullman created is back, in his hands and now ours. His Dark Materials trilogy, which began more than 20 years ago with a book called The Golden Compass is set in a world ruled by a theocratic overlords called The
Matthew: Hey Kat, you were just telling me about all the pros and cons of different renewable energies and you just got me thinking we're going to run outof oil in the next couple of decades. There's reports that say we're going to run out of oil in
EXPLORATIONS - Street-Wise: Building Houses That Are Healthier for People and the PlanetBy Marilyn Christiano Broadcast: Wednesday, September 13, 2006 VOICE ONE: I'm Steve Ember. VOICE TWO: Artist's i
Scientists from the University of Central Florida (UCF) have created a supercapacitor battery prototype that works like new even after being recharged 30,000 times. 来自中佛罗里达大学(UCF)的科学家已经创造了一个超级电容电池
By Paul Burge Nottingham, England 17 May 2007 The University of Nottingham in Britain is building an environmentally friendly research house to promote the reduction of carbon emissions. The aim is for the experimental house to serve as a future guid
BEIJING, June 25 (Xinhua) -- Tents, quilts, coats and other relief materials have been sent to southwest China's Yunnan and Sichuan provinces in the wake of an earthquake that jolted the area on Sunday, the Ministry of Civil Affairs said Monday. Loca
By George Dwyer Washington, DC 08 May 2006 watch Green Campus report With energy prices rising rapidly these days, consumers, businesses and other energy users are looking for creative ways to cut cos
By Phuong Tran Dakar 15 January 2007 Nuclear experts are expressing concern that countries trying to develop nuclear weapons may try to exploit resources in Africa. They say one of their concerns is that African nations lack the proper safeguards to
Commentator: We hear it a lot in the news these days: Recycle newspapers and save a tree. Collect bottles and cans so they can be reused in the manufacturing of new products. Protecting our delicate environment seems to be on the agenda of politician
China Atomic Energy Authority head Xu Dazhe says the project will help promote international cooperation and exchanges in nuclear safety. We can see that the completion of construction of the world's largest nuclear safety centre-of-excellence, with