单词:foam thermal insulation
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Broadcast: May 10, 2003 By Cynthia Kirk This is the VOA Special English program, In the News. Investigators say they now believe they know what caused the American space shuttle Columbia to break apar
Scientists have found that levels of a now-banned chemical are rising again in Earths atmosphere. The chemical is called CFC-11. It is the second most common kind of CFC, short for chlorofluorocarbon. Chlorofluorocarbons were once widely used in many
Broadcast: Apr 09, 2003 Two U.S. astronauts took a spacewalk Tuesday to perform exterior maintenance on the International Space Station. It was the last opportunity to fix hardware while the outpost h
Broadcast: Feb 07, 2003 U.S. space agency officials confirmed Friday that they are analyzing military photographs that appear to show damage to the space shuttle Columbia shortly before it disintegrat
By Paul Sisco Washington, DC 11 July 2006 watch Shuttle report With most of its major tasks complete, including an investigation of the protective foam shield, the crew on board Discovery is cleared to return to Earth Monday. Yet, there's still plen
Good morning, I'm Melissa Long here at the CNN center in Atlanta. It's Thursday, July 16th and here's a look at some of the stories that are happening NOW IN THE NEWS. Judge Sonia Sotomayor will begin a final round of questioning from senators this
美联社,新闻一分钟,London,bombing,president,1 Police raids in London and Rome, round up the last of the suspected attackers in last week's failed transit bombings in Britain's capital. 2 Breaking with President Bush, Senate Majority Leader Fris
1.All of us across this nation are concerned. President Bush is sending his thoughts to residents in the path of wildfires in Southern California. The fires have destroyed 1,300 homes. Forecasters say there are no signs the fires are slowing down. Me
1. President Bush meets Pope Benedict XVI defending his humanitarian record after the Pope expresses concerns about what he calls the worrisome situation in Iraq. On the streets of Rome, thousands of anti-American protestors denounced Bush. 2. It's a
1. Toyota has announced it will recall more than 400,000 Prius and other hybrid vehicles around the globe to fix brake problems. This recall is the latest in a string of embarrassing safety problems at the world's largest automaker. This recall invol
This is the VOA Special English Development Report. Today we bring you a new take on an old tale. It's the story of the three little pigs and the big bad wolf that blew down a house made of straw and one made of sticks. The only house left standing
Earth's Ozone Layer Shows Signs of Recovery 地球臭氧层出现恢复迹象 The new report says the Earths ozone layer is showing signs of recovery. Ozone is a form of oxygen. It is found in the air we breathe and in Earth's atmosphere. The ozone l
By Bill Gasperini Moscow 01 April 2006 This image made available by NASA-TV shows the Soyuz capsule, center, docked with the international space station The three-man crew of a Russian Soyuz spacecraf
Ecocradle serves the same purpose as traditional foams when used as a packaging material. Buying a product these days often means you are getting more than you bargained for. Unwrapping your latest purchase can leave the room strewn with the cardboar
Students Aim for Aviation History with Human-Powered Helicopter Within reach What seemed impossible when William Staruk began his PhD studies at the University of Maryland three years ago, is now within reach. He's part of a 50-member team developing
NASA officials say images taken of the space shuttle Discovery's launch on Tuesday show a small piece of foam insulation may have struck the orbiter's wing. A similar wing hit during the launch of the Columbia in February 2003 caused the disaster whe
As a greater proportion of Britons live alone, the demand for one bedroom, space efficient solutions is increasing. The UK Ideal Home Exhibition has the latest ideas to maximize space in smaller homes and energy saving ideas. Our reporter Wang Xiao h
By Brian Wagner Miami 22 October 2007 NASA officials say possible rains and low clouds may force the delay of Tuesday's scheduled launch of the space shuttle Discovery. In Miami, VOA's Brian Wagner reports the shuttle is set to deliver a new module t
Reentry Heat [Why does a space shuttle get hotter on reentry than on liftoff?] 能想象航天飞机穿越大气层时受到摩擦产生的热量有多惊人吗?来一起听听吧。 M:Dolle,we now know that the space shuttle Columbia burned up whe
The car manufacturer of Volkswagen has denied claims by US regulators that some of its luxury brands were also fitted with devices to cheat pollution tests. The Environmental Protection Agency said at least 10,000 vehicles with 6-cylinder 3-liter eng