单词：energy absorbing material
单词：energy absorbing material 相关文章
Don: Time to go again to the A Moment of Science mailbag. Yal: A listener writes: Dear A Moment of Science, Scientists know that one day we'll run out of oil and other natural sources of energy. Beyond solar power and wind power and ethanol, what are
英语时差8，16
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
人教高中英语高二
When the wind picks up at the foot of the Rockies, there are those who believe they can hear the future. At the National Renewable Energy Laboratory, making alternative power sources competitive with fossil fuels has been a mission since the energy
国家地理2008年
Tree Electricity Runs Nano-Gadget A report in the journal IEEE Transactions on Nanotechnology shows that maple trees generate a small, but measureable amounts of electricity, which can power tiny devices. Karen Hopkin reports If scientists have thei
60秒科学
If scientists have their way, we may someday be tapping maplesnot for pancake fixins, but for power. Because researchers from the University of Washington in Seattle have found theres enough electricity flowing in trees to run an electronic circuit.
Scientific American(九)月
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
高中英语听力人教版第二册
AS IT IS 2014-06-13 Companies Make Gas from Garbage 美国公司从垃圾提取天然气 The future in energy production is here. And some of the materials used to supply the energy may surprise you! Companies have developed a way to turn plant waste
2014年VOA慢速英语(六)月
Turning Cigarette Butts to Batteries 烟头转变成电池 If you see a person carelessly throw a cigarette to the ground, what are you likely to think? That depends. If you hate people throwing things on the ground, you might think, That person shou
2014年VOA慢速英语(九)月
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
VOA标准英语2010年(八)月
Lesson Two 听力部分 Dictation: Please prepare your paper and pen. _____ to recall to the ____. ____________ after absorbing _______________, _______ the key ________ of the ________ in your ____. Don't _____ if ___'__ _________ some of it. Do ___
王强口语 第二册
When the wind picks up at the foot of the Rockies, there are those who believe they can hear the future. At the National Renewable Energy Laboratory, making alternative power sources competitive with fossil fuels has been a mission since the energy c
自然百科2008年
By Nancy-Amelia Collins Sydney 07 September 2007 Russia has signed a deal to import Australian uranium for Russia's nuclear energy program. The two countries were quick to assure the world that the material would be used only for peacetime nuclear pu
2007年VOA标准英语（九月）
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
英语新闻
最近有科学家正在研发一种全新的电子纸技术，这种电子纸其实就是一种超薄的柔性显示屏，具有很高的能效性，并且在阳光直射或明亮环境中也可以清晰地显示出内容。这种柔性显示屏的厚
阅读空间
Shen Danyang, spokesperson of the Ministry of Commerce, says the total foreign investment as well as the number of enterprises that were invested in by relevant countries have both increased. In terms of absorbing overseas investment, a total of 948
英语新闻
Shen Danyang, spokesperson of the Ministry of Commerce, says the total foreign investment as well as the number of enterprises that were invested in by relevant countries have both increased. In terms of absorbing overseas investment, a total of 948
2015CRI中国国际广播电台
Ya?l: Welcome to another episode of Lunch with Don and Ya?l. So, Don, what are you eating today? Don: Nothing. Y: Nothing!?! Are you on a diet or something? D: Not by choice. To be honest, I'm trying to save money by buying less food. Y: Why? D: Beca
英语时差8，16
The Parts of Metabolism 新陈代谢到底是什么？ What is metabolism really? Statements like he can eat a lot because he has a fast metabolism are somewhat misleading. Metabolism isnt about the digestion of food in your stomach; its the name giv
英语听力文摘 English Digest
新GRE阅读难句解析之抽象词组、比喻 As she put it in The Common Reader , It is safe to say that not a single law has been framed or one stone set upon another because of anything Chaucer said or wrote ; and yet , as we read him , we are
GRE英语
新GRE阅读难句解析之抽象词组、比喻 As she put it in The Common Reader , It is safe to say that not a single law has been framed or one stone set upon another because of anything Chaucer said or wrote ; and yet , as we read him , we are
GRE英语