单词：non-pressurized solar water heater
单词：non-pressurized solar water heater 相关文章
Lesson 55 astronomy 天文学 Recent developments in astronomy 天文学的最新发展使我们 may have made it possible to detects in our own Milky Way and in other galaxies. 能够在银河系和其他星系发现行星。 The objective of astron
新概念英语词汇随身听手册3
Technology Report - How to Make Your Own Solar Water Heater This is the VOA Special English Technology Report. Solar water heaters are used around the world and are not very difficult to build. The system we are going to describe is based on a design
2011年VOA慢速英语(四)月
drinking fountain 公共的饮水机 饮水机 英语怎么说 water cooler 办公室看到的饮水机／water dispenser electric kettle 热水壶 water heater 热水器 water filter pitcher 滤水壶 BRITA 很有名的牌子 bottled water 瓶装水
这句英语怎么说
DEVELOPMENT REPORT – How to Make a Solar Water Heater By Gary Garriott Broadcast: Monday, November 29, 2004 I'm Gwen Outen with the VOA Special English Development Report. Solar water heaters save o
农业与发展
This is Scientific Americans 60-Second Science. I am Cynthia Graber. This will just take a minute. Solar panels typically convert sunlight into electricity or heat. But photosynthetic vegetation converts sunlight into chemical energy. Now M.I.T.s Dan
Scientific American(八)月
The clues are adding up to give a picture of a distant Martian past, when the planet had a thick atmosphere that was warm enough for water to stream on the surface. But now the waters gone, and the atmosphere is so thin that any water would boil away
Scientific American(十)月
This is the VOA Special English Development Report. Solar water heaters are devices that use energy from the sun to heat water. Solar water heating is used around the world. An example of a rooftop solar water heater being built in South Africa The
VOA慢速英语2009年（四）月
By Uma Ramiah Dakar 21 May 2008 A year-old project in Benin has shown that harnessing the power of sunlight could provide long-term solutions to hunger in underdeveloped nations. A six-month dry season in the Kalale District of Benin used to wreak ha
VOA标准英语2008年（五月）
New design produces flexible panels using only 1-2 percent as much silicon Art Chimes | Washington, DC 19 February 2010 You can use 100 times less silicon. And that's potentially very significant. Harry Atwater Schematic diagram of the light-trapping
VOA标准英语2010年(二月)
Review Exercise 3: Get a Better Water Heater! CD 3 Track 53 Pause the CD and go through the same steps with Get a better water heater! 图片1
标准美语发音的13个秘诀 CD3
This was the first permit of its kind in Oregon. 下面是这类技术在俄勒冈州第一个通过法令的例子。 Brave and open-minded people sat down and felt comfortable saying, Yeah, that shit makes sense. 勇敢而心胸开阔的人们在圆桌
TED演讲科学篇
Who cleans the bathrooms here? 这里的洗手间由谁来打扫？ The janitor cleans them. Why? 是由看门人负责打扫的。怎么了？ The bathroom is dirty. And there aren't any paper towels. 这间洗手间很脏。而且里面都没有纸巾
大家说英语
Hi, Susie. Sorry I'm late. 嗨，苏西。很抱歉我迟到了。 That's OK. Did something happen? 没关系。出了什么事儿吗？ Yes. I took a shower this morning. But I wasn't careful with the shower curtain. 是的。我今早冲了个澡。但
大家说英语
EXPLORATIONS - Development Marketplace: Turning Ideas Into ActionBy Jill Moss Broadcast: Wednesday, May 17, 2006 (MUSIC) VOICE ONE: I'm Barbara Klein. VOICE TWO: And I'm Steve Ember with EXPLORATIONS
2006年慢速英语（五）月
This is the VOA Special English Development Report. Harvest in Benin A new study in West Africa shows how farm irrigation systems powered by the sun can produce more food and money for villagers. The study in Benin found that solar-powered pumps are
2010年慢速英语(一)月
In Colorado, Solar Industry Faces Challenges Colorado's San Luis Valley, an alpine desert, is rapidly becoming a leading producer of solar energy in the United States. The sun shines more than 340 days a year in the San Luis Valley. So the solar indu
VOA标准英语2011年(十二月)
BEIJING, Oct. 21 (Xinhuanet) -- A team of European researchers announced that they have found vast water vapor out of our solar system, according to a study in the U.S. journal Science Friday. Using Herschel Space Observatory, a European Space Agency
英语新闻
My name is Johan, I feel exhausted, already. I've been doing this job for two days and I've already lost a lot of weight,really. You can earn 100 dollars a day, maybe more than that, 200. It depends, but, it's still a good money. This is the best job
英语杂谈
Instead of burning coal, oil, or biomass to heat things up, scientists have found that its possible to use solar energy. For example, some experimental facilities use thousands of mirrors to reflect sunlight onto a large plate on a tower, heating it
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