单词:reactor shielding material
单词:reactor shielding material 相关文章
[00:03.89]You will hear three pieces of recorded material. [00:08.75]Before listening to each one, [00:12.90]you will have time to read the questions related to it. [00:17.55]While listening, [00:20.72]answer each question by choosing A, B, C or D. [
This is the VOA Special English Health Report. The crisis at the damaged Fukushima Dai-Ichi Nuclear Power Station in northern Japan has raised worries about radiation risks. We spoke Tuesday with Jonathan Links, an expert in radiation health sciences
The sound of heavy anti-aircraft fire booms in the Libyan capital Tripoli, where forces loyal to leader Muammar Gaddafi are defiantly responding to US-allied air strikes. NPR's David Greene is in Tripoli, where he says Gaddafi backers are out despite
The Internet has become an indispensable part of life for many children and young people nowadays. Yet risks abound. Children must be protected from dangerous content, whether it's pornography or depictions of violence, says Axel Kossel of c't magazi
[00:03.81]bottom line :结余;结算 [00:05.82]bundle :n.搭售商品 [00:07.49]convention :n.(专业)展览会 [00:09.37]demonstration :n.展示 [00:11.46]entrance :n.入口 [00:13.29]go with :选择;决定采用 [00:15.17]high traffic :a.高流量
A robot entered a damaged reactor at Japan's Fukushima nuclear plant this week to take pictures of the reactor destroyed by an earthquake and tsunami in 2011. The robot, nicknamed 'The Little Sunfish,' is very small about the size of a loaf of bread.
BEIJING, April 8 (Xinhua) -- Qinshan nuclear power plant, China's first, has finished an expansion project with a new generator unit in operation, said China National Nuclear Corporation (CNNC) on Sunday. The pressurized water reactor power-generatin
By Dan Robinson Washington 25 July 2006 Legislation required to allow the U.S.-India agreement on civilian nuclear cooperation to go forward comes up for consideration Wednesday in the House of Representatives. House lawmakers have included strong l
Graphene Called Amazing, Versatile Material of the Future 前景光明的多功能材料石墨烯 In 2004, two scientists at the University of Manchester in England isolated a carbon-based material called graphene, with some unusual properties. Andre
Scientists Create Blackest Material Ever Of all the black things in the universe only the infamous black holes are so black that not even a tiny amount of light can bounce back. But scientists have managed to create material almost as black, and it h
SCOTT SIMON, HOST: There's only so much space on a spacecraft, which means limited space for food and water. American crews on the International Space Station recycle their own sweat and urine to produce fresh drinking water - bottoms up. Now new res
Fusion is how stars produce energy. It occurs when the nuclei of light atoms, such as hydrogen, are fused together under extreme pressure and heat. Tokamak Energy, from Oxfordshire, believes that the third version of their compact, spherical tokamak
By Kurt Achin Seoul 05 January 2006 North Korea recently announced it no longer needs the United States to provide it with a light-water nuclear reactor for energy production. The communist state says
The Internet has become an indispensable part of life for many children and young people nowadays. Yet risks abound. Children must be protected from dangerous content, whether it's pornography or depictions of violence, says Axel Kossel of c't magazi
By Stephanie Ho Washington 15 July 2007 U.S. National Security Advisor Stephen Hadley says Washington still has concerns about North Korea's nuclear program, despite Pyongyang's decision to shut down its main plutonium reprocessing facility. VOA's St
In a field in a remote part of north-west Wales, a lone farmer cuts the grass, parcelling it up into hay bales which can be sold for a modest profit. His farm, and even the hill on which it sits, will soon be demolished by the Japanese-owned company
The APP, 'zenkr', allows students to participate in class, not through a show of hands, but by communicating through their smartphones. Users scan a QR code projected on screens with their smartphones or other devices and then answer questions. The r
ISTANBUL, Jan. 20 (Xinhua) -- The Russian foreign minister said here on Thursday that Russian had always been against unilateral(单边的) sanctions against Iran and hopes that they can be lifted in the upcoming Iranian nuclear talks. Russian Fo