单词：geomembranes
单词：geomembranes 相关文章
Do you know so many of you will climb into your cars today perhaps to shuffle your children to soccer, to football, make their (refer to the cars) run to the grocery store. But do you also know what's
万花筒2006年
This is Scientific Americans 60-Second Science. Im Karen Hopkin, this will just take a minute. Anyone whos ever cut up an onion knows that some smells can actually be painful. Now, researchers from Baltimore and Denver are closer to understanding why
Scientific American(三)月
[ti:UNIT 7 Know Our World Coming! Lesson 49: Let's Learn Geography!] [0:00.291]UNIT 7 [0:02.469]Lessons 49～56 Lessons 49~56 [0:05.445]Know Our World [0:07.187]You Will Learn 你会学到 [0:08.930]Functions 功能 [0:10.018]Talking About Numbers 谈论
河北教育初中英语（初中起点）八年级下册
By Zulima Palacio Washington 26 September 2007 The organization that runs George Washington's estate near Washington, D.C. opened to the public a typical slave cabin from the 18th century. Most of those present at the dedication say the tiny house br
2007年VOA标准英语（九月）
By Jim Malone Washington 02 January 2007 State Funeral service at the Washington National Cathedral for former President Gerald R. Ford, 2 Jan. 2007 Official Washington bid farewell to former President Gerald Ford on Tuesday. Mr. Ford, the 38th pres
2007年VOA标准英语（一月）
Russian President Dmitri Medvedev has signed decrees granting formal recognition to the Georgian breakaway regions of Abkhazia and South Ossetia. But VOA Moscow correspondent Peter Fedynsky reports analysts say the move could promote separatism in R
VOA标准英语2008年（八月）
The United Nations is appealing for more than $58.5 million to provide emergency assistance to tens of thousands of people affected by the crisis in Georgia over the next six months. Aid agencies report their biggest problem remains one of access. L
VOA标准英语2008年（八月）
Geophysicist Probes Ocean's Secrets Today, Pitman is a distinguished professor of geophysics at Columbia University, and the recipient of many of his fields most coveted honors. Even though he is now in his 80s, Pitmans animated manner makes it easy
VOA标准英语2012年(一月)
GeographyMeetsSocialMediaonGeosocialSites Theres a well-worn phrase in real estate: location, location, location, meaning that where a property is located, alone, means more than anything else when it comes to assessing its value. But location is get
VOA标准英语2011年(九月)
KELLY MCEVERS, HOST: We're going to hear about something called geofencing. You might know about it. But if you don't, it's wireless technology that tracks mobile devices entering and exiting a specific area. Up to this point, it's mostly been used b
2017年NPR美国国家公共电台7月
Science and Technology 科技 Clean water 清洁水源 Silver threads of life 生命的银丝带 A water filter that kills bacteria, rather than just removing them 新滤水器能够消灭细菌，而不单单是排除细菌 MORE than a billion peopl
经济学人科技系列
U.S. President George Bush says Russia must not lay claim to the breakaway Georgian republics of South Ossetia and Abkhazia. VOA White House Correspondent Scott Stearns reports, Mr. Bush says all Russia forces must leave Georgia. Russia says there i
VOA标准英语2008年（八月）
Researchers in Sydney are leading a new international effort to make desalination more environmentally friendly. Current techniques tend to use excessive amounts of energy or are heavily reliant on chemicals. The University of Technology in Sydney is
英语新闻
Before I talk about that, 谈到这之前 I've written down at the bottom there 我在底下标出了 the slope of this curve, this straight line. 这条曲线的斜率，即这条直线 It's three-quarters, roughly, 大约为3比4 which is less than
TED演讲教育篇
When, in 1960, still a student, 1960年我还是学生时， I got a traveling fellowship 拿到出国留学的奖学金， to study housing in North America. 研究北美的住宅建筑。 We traveled the country. 我们游遍美国， We saw public
TED演讲教育篇
When you're out to eat, ordering a vegetable soup is a way healthier move than reaching into the bread basket. But it's not just about the calories you'll save. Hot liquids can also help you feel more full, so you'll actually eat less by the time you
阅读空间
Deep-sea exploration 深海探索 The age of Aquarius 1 宝瓶时代1 Inner space is almost as hard to explore as outer space 探太空难，察深海亦不易 Have you seen Camerons latest? 卡梅隆的新作你看了吗？ JAMES CAMERON knows how t
经济学人综合
Science and technology 科学技术 Microbiomics 微生物组学 A virus shield 病毒防护 Viruses help keep people disease-free 病毒能够帮助人类免遭疾病 THE story of the microbiomethe community of tiny organisms that coexist symbiotica
经济学人科技系列
IF CALIFORNIA were not already so famous for Silicon Valley and Hollywood, it might be renowned for the cluster of water-technology firms in its San Diego County. The reverse-osmosis (RO) spiral module, the trick that underpins turning sea- and waste
经济学人综合