碳纤维强化聚合物复合材

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Are your car bumpers riddled with scars from encounters with tight parking spaces? Did the furniture movers scratch your floor? Wouldn't it be great if t

发表于:2018-12-24 / 阅读(83) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. Im Cynthia Graber. This will just take a minute. Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because

发表于:2018-12-24 / 阅读(111) / 评论(0) 分类 Scientific American(三)月

Most of us blink without thinking. But people whove sustained strokes or combat injuries can lose their ability to blink. Which is important for lubricating and cleaning the eye. Surgery is an optiona small piece of muscle transplanted from the leg c

发表于:2018-12-24 / 阅读(98) / 评论(0) 分类 Scientific American(一)月

The Underhill Farm in Somerset, England, is the picture of rural tranquility. But the lush green pastures disguise the fact that farms like this are contributing to global warming. That's because just one cow can produce up to 500 liters of methane

发表于:2018-12-30 / 阅读(176) / 评论(0) 分类 国家地理2008年

Lowering the Ceiling on Roof Energy Losses Buildings consume about a third of the energy and two-thirds of the electricity in the U.S. Roofs are a good place to try to cut those figures. Because traditional black asphalt roofs heat up in summer and s

发表于:2019-01-02 / 阅读(95) / 评论(0) 分类 60秒科学

客户户口 client account 客户身分规则【证监会】 Client Identity Rule【SFC】 客户服务器结构 client server architecture 客户协议书/合约 client's agreement 客户按金 clie

发表于:2019-01-03 / 阅读(105) / 评论(0) 分类 财会英语

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute?. [Spray sound.] Killing bugs? No. [Spray sound.] Deodorizing the bathroom? No. [Spray sound.] Checking for explosives, yes. Because chemists at the University of Califor

发表于:2019-01-08 / 阅读(114) / 评论(0) 分类 Scientific American(九)月

Patients undergoing coronary bypass surgery need implants of new, healthy blood vessels. So do those who receive repeated hemodialysis due to kidney failure. The best option is to use the patient's own veins or arteries, but thousands of patients don

发表于:2019-01-08 / 阅读(101) / 评论(0) 分类 Scientific American(二)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Solar cells convert sunlight to electricity. But they don't take advantage of all that solar heat, thereby missing out on the majority of the solar ene

发表于:2019-01-08 / 阅读(143) / 评论(0) 分类 Scientific American(四)月

Research Breakthrough for Biodegradable Tires? 研究人员研发完全可降解轮胎 Researchers say they have created a new synthetic rubber that could be used to make biodegradable tires. A team at Texas AM Universitys campus in the Gulf nation o

发表于:2019-01-12 / 阅读(64) / 评论(0) 分类 2016年VOA慢速英语(九)月

Showcase of 155 films offers fresh perspective on green, climate change issues Penelope Poulou | Washington, DC 26 March 2010 Photo: Esben Hardt/Ace Ace If global warming continues at the same rate as today, by the end of this century, the Arctic cou

发表于:2019-01-13 / 阅读(60) / 评论(0) 分类 VOA标准英语2010年(三月)

'Smart' Bandages Could Heal Wounds More Quickly 智能绷带有助更快治愈伤口 Simple bandages are usually seen as the first line of attack in healing small to moderate wounds and burns. But scientists say new synthetic materials with embedded

发表于:2019-01-14 / 阅读(144) / 评论(0) 分类 VOA标准英语2016年(二月)

The Underhill Farm in Somerset, England, is the picture of rural tranquility. But the lush green pastures disguise the fact that farms like this are contributing to global warming. That's because just one cow can produce up to 500 liters of methane g

发表于:2019-01-22 / 阅读(69) / 评论(0) 分类 自然百科2008年

The world this week 一周要闻 Business 商业 The prospect of an all-out trade war between America and China became real. 美国和中国之间爆发全面贸易战的可能性变成了现实。 Donald Trump said he would impose tariffs on $50bn o

发表于:2019-01-26 / 阅读(91) / 评论(0) 分类 经济学人要闻

Chinese shares posted their biggest one-day fall in a month yesterday, with indices closing more than 6 per cent lower after a late sell-off. 中国股市昨天出现一个月来最大单日跌幅,在尾盘抛售之后,沪深股指收跌逾6%。

发表于:2019-02-06 / 阅读(121) / 评论(0) 分类 英语新闻

不管是热天还是冷天,总会看到那么多MM穿着各种丝袜,露出傲娇的大长(肠)腿。 今天,我们就一起来盘点一下各种各样的裤袜吧! Tights(连裤袜):又称Pantyhose,连短裤和长筒袜于一体,齐

发表于:2019-02-09 / 阅读(78) / 评论(0) 分类 英语口语

[00:11.27]Maybe it works 也许真管用! [00:21.85]词汇扫描 [00:25.55]Speech course 演讲课 [00:29.05]Honor 纪念 [00:32.59]Patience 耐心 [00:36.18]Remind 提醒 [00:39.66]Reinforce 加强 [00:43.64]英文原文 [00:45.31]During the colle

发表于:2019-02-15 / 阅读(92) / 评论(0) 分类 英语笑话(MP3+文本)

窗帘名称 窗帘: curtain/window blind 蜂巢帘: honey comb blind 百褶帘: pleated blind 卷帘: roller blind 软百叶帘: venetian blind 柔丽丝帘: softness blind 香格里拉帘: Shangri-La blind 窗帘面料 窗帘布原料: raw material

发表于:2019-02-17 / 阅读(60) / 评论(0) 分类 实用英语

These northern part of front is maned by a French army and a British expeditionary forces later reinforced by Canadians and troops from the far from British Empire. 法国军队和英国远征军控制防线北部区域。后来由来自遥远英国的

发表于:2019-02-19 / 阅读(83) / 评论(0) 分类 二战启示录

Chinese Academy of Sciences successfully launched a new sounding rocket, Kunpeng-1B, in Hainan Danzhou early Wednesday. The rocket reached a flight height of 300 kilometers for the first time. Its arrow configuration of altitude control system and ca

发表于:2019-03-12 / 阅读(282) / 评论(0) 分类 cctv9英语新闻2016年
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