标签:materials 相关文章
The booming e-commerce industry is good news for China, but less so when it comes to the impact of waste packaging on the environment. But who should take the share of the burden? The delivery companies, or consumers? E-commerce is growing rapidly in
ESL Podcast 236 An On-Site Estimate GLOSSARYbuilding contractor a person or company that is hired by someone else tobuild homes or offices* The Patils were very happy with their building contractor because he built theirhome faster and for less money
Concrete is one of the most widely used materials on the planet. And this consumption comes with a heavy ecological price. Rouzbeh Shahsavari, a materials scientist at Rice University. Around 5 to 10 percent of total CO2 emissions comes from concrete
The U.S. envoy to six nation talks on disarming nuclear North Korea has said they reached agreement on the principles for verifying Pyongyang's denuclarization. However, the envoy, U.S. Assistant Secretary of State Christopher Hill, says negotiators
Heavy rain has been falling in Gansu Province which was hit by an earthquake on Monday, and this has hampered the transportation of relief materials into the disaster zone. As CRI's He Fei reports, relief materials such as tents and quilts remain in
Feel to walk and in central Mexico is in archaeological site, a cultural landmark and tourist attraction best known for its pyramids and plaza. But nearly 2,000 years ago, it was a powerful urban center home to more than 100,000 people. It was also o
Improving Industrial efficiency through Robotics Robots, becoming increasingly prevalent in factories and industrial plants throughout the developed world, are programmed and engineered to perform ind
This title is the kind that gets attention, isn't it? I first heard about these two characters a few days ago. My three boys play an on-line game called Minecraft. It's actually quite fabulous. It is an unending arena, where you can discover and crea
The Library of Congress is using technology to make its collections available to people across the United States and around the world. 美国国会图书馆正在利用科技让其馆藏可以为美国人民和全球人民所用。 The library is the
Bullies - especially aggressively hostile girls - are a topic of major interest to Rosalind Wiseman. In her non-fiction best-sellers, Queen Bees Wannabes, and Queen Bee Moms Kingpin Dads, the educator explored the way adolescent girls relate to the w
Sixty-five years after the United States dropped nuclear bombs on the Japanese cities of Hiroshima, and Nagasaki -- at the end of World War II - the U.S. view on nuclear weapons has changed. The Obama Administration is pushing for a nuclear-free worl
公司总裁Tim召集部门经理开会,讨论节能措施。 T: I've recently noticed how much paper I use on a daily basis and I've been trying to cut down. I've found that I very rarely actually need to print emails. Also, by utilizing my fax-mo
The Chinese army has sent three helicopters from Tibet's Jilong County to the Nepalese capital, Kathmandu, to help with relief efforts. The helicopters -- carrying further supplies -- departed on the 100-kilometre journey at eight o'clock Wednesday m
[英语语法手册]非限定动词G 动名词和现在分词用作定语时的区别 动名词用作定语时,和它所修饰的名词在逻辑上没有主谓关系,即它不是该名词的动作。
Tiny nanomaterials show promise in many efforts to reduce greenhouse gas emissions Rosanne Skirble | Washington, DC 03 December 2009 Sir Lankan village shop at dusk lit by solar panels - Nanotechnology could help make solar cells more accessible, eff
The focus of the Global Security Summit - to answer how to secure nuclear stockpiles against terrorists A unique two-day summit expected to bring together more than 40 heads of state and government will open in Washington April 12. As VOA reports, th
The share market ended the day flat while traders struggled to decide whether China's latest economic numbers were positive or negative.The All Ords closed two points lower and the ASX 200 ended down just one point lower.Materials and energy stocks l
Topic1 China recognizes mega citiesChina is introducing the definition of mega city as the country further urbanizes. The latest standards of cities issued by the State Council, China's cabinet, have defined cities with a metropolitan area of more th
Walking on penguin eggshells on this Moment of Science. Yael: Today, we're talking penguin eggs. Don: Why? Y: Penguins lay their eggs on hard surfaces near coastlines, or they might dig burrows if the soil permits. And because they're optimized for s
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