单词：Energy efficient motors
单词：Energy efficient motors 相关文章
Solar Home Tour Promotes Clean Energy Alternative 家用太阳能促使净能的使用 Last year solar energy surpassed wind power as the fastest growing alternative energy source in the world. While
VOA2005（下）--环境科学探索
Solar Plane Prepares for Global Circumnavigation 太阳能飞机准备环游世界 Pilots of the sun-powered plane Solar Impulse 2 completed two successful test flights Thursday in the United Arab Emirates, in preparation for the first attempt
VOA标准英语2015年(三月)
The City of Copenhagen is well on its way to becoming the first carbon neutral capital in the world by 2025. Demonstrating its many sustainable initiatives, the country's Copenhagen Solutions exhibit offers inspiration to policymakers, developers and
英闻天下
This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Engineers are always plugging away to get better energy efficiency out of our products -- like cars that guzzle less gas or light bulbs that burn brighter on f
Scientific American(八)月
（A segment of President Obamas speech to a joint session of Congress on February 24th dealing with energy and basic research:） We know the country that harnesses the power of clean, renewable energy will lead the 21st century. And yet, it is Chin
Scientific American(二)月
Engineers are always plugging away to get better energy efficiency out of our products -- like cars that guzzle less gas or light bulbs that burn brighter on fewer watts. But even if we replaced all today's bulbs with energy-sipping LEDs, the world m
60秒科学
Earth Hour aims to encourage people to be energy-conscious all year, not just for one hour every 365 days. Here are some energy-saving tips we can all do every day. First is turning lights off when they aren't needed. Making use of natural light duri
cctv9英语新闻2017年
今天我们要学的词是efficient。 Efficient, 效率高的。最近研究发现， Efficient people don't strive to get everything done perfectly; they only focus on the most important projects, 高效律的人并不把每一件事都做到完美无
英语单词荟萃
Homes are rising on the National Mall in Washington, D.C. No, it's not a return of Hoovervilles thanks to the Great Recession. These are solar homes competing in the U.S. Department of Energy's Solar Decathlon, which starts October 8. From Cornell Un
Scientific American(十)月
By Paul Sisco Washington 08 May 2008 Engineer Hy Brown was the chief engineer of the U.S. World Trade Center in New York City. Years after the terrorist attacks in 2001, he has found a new passion-- developing pre-fabricated solar powered houses in I
VOA标准英语2008年（五月）
By Greg Flakus Detroit 14 January 2008 More than 6,700 reporters from 42 nations are in Detroit for the news media preview of that city's North American International Auto Show, which opens to the general public this weekend. This year's show emphasi
VOA标准英语2008年（一月）
In its first ever National Building Competition, the U.S. Environmental Protection Agency challenged teams from across the nation to cut wasteful energy use in buildings in which they live and work. Residential and commercial buildings together consu
VOA双语新闻 2011年3月
18招促环保（双语） 我们中的每个人都应该对自己日常生活活动和选择所产生的温室气体负责。因此，防止气候变化需要地球上的每个人共同来努力。在中国，平均每户每年的碳排放量是2.41吨
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BEIJING, May 24 (Xinhuanet) -- Scientists revealed for the first time the molecular structure of proteins, which enables bacteria to transfer electrical charges, according to a new study. The revelation was published in Proceedings of the National Ac
英语新闻
BEIJING, May 6 (Xinhua) -- The Chinese government has established a goal of having green buildings account for 30 percent of new construction projects by 2020, according to an official document released Sunday. The document, which was jointly release
英语新闻
PV solar technology is more complex. When sunlight hits a PV cell, electrons in the cell are knocked out of their orbits. Electric fields channel the electrons in a current used to generate electricity。 Unlike thermal solar panels, PV technology is
英语时差8，16
If you live in Wellington, go to Frank Kitts Park on the waterfront to see the Kiwi bach called First Light. It will be there from today until May 24th. Four Victoria University architecture students designed this small house like a Kiwi bach for a c
新西兰英语
Rajid: What are you doing? Nicole: Im putting my garbage into the garbage can. Why? Rajid: Dont you recycle? Youre supposed to separate out your recyclables and put them in a separate bin. Nicole: I know, I know, but who has the time? I dont have tha
地道美语播客
Did you know that enough sunlight falls on the earths surface every minute to provide energy for the entire world? The trick, though, is turning sunlight into power we can use for things like heating water and making electricity. And there are two ty
英语时差8，16