VOA标准英语2014--新的太阳能电池减少生产中对环境的危害

New Solar Cell Minimizes Environmental Risks in Manufacturing Process 新的太阳能电池减少生产中对环境的危害 Scientists in England report the development of a new solar cell that minimizes environmental risks in the manufacturing proc

DEVELOPMENT REPORT – How to Make a Solar Water Heater

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

Alien contact

Rob: Hello! Im Rob and this is 6 Minute English. Im joined today byAlice. Hello Alice. Alice: Hi Rob. Rob: Today, were talking about alien life form and who on planet earth wouldaliens speak to if they one day made contact? Alice: Alien life form. Th

SSS 2010-02-15

Imagine a world where sunlight can be captured to produce electricity anywhere, on any surface. The makers of thin-film flexible solar cells imagine that world too. But a big problem has been the amount of silicon needed to harvest a little sunshine.

SSS 2011-04-06

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

VOA慢速英语2013 科学家对新型糖尿病治疗感到乐观

Scientists Optimistic About New Diabetes Treatment 科学家对新型糖尿病治疗感到乐观 From VOA Learning English, this is Science in the News. Im Kelly Jean Kelly. 这里是美国之声科学报道。 我是Kelly Jean kelly。 And Im Avi Ar

VOA慢速英语2016--NASA发现丢失的宇宙飞船

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可喷涂太阳能电池可能取代硅基电池板

Paintable Solar Cells May Replace Silicon-Based Devices 可喷涂太阳能电池可能取代硅基电池板 Solar panels are manufactured in factories. Some of the devices are made with cadmium chloride, a substance shown to be harmful to human healt

VOA标准英语2010年-New Way of Making Solar Cells Promises

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-India Plugs into Low-Cost Solar Techno

India seems to excel at making things smaller and cheaper. The $2,500 car and the $35 computer are just two of the country's latest innovations. Now, India increasingly is focused on low-cost solar technology. The front lines of that effort are seen

VOA标准英语2013--Volunteers Help Scientists in Search for Cheap Solar Cells

Volunteers Help Scientists in Search for Cheap Solar Cells Most of today's solar cells are silicone-based and their manufacture requires sophisticated machinery and expertise. An average home in the United States uses between 20 and 24 kilowatt hours

新型无机物料或取代硅板成太阳能板材料

Paintable Solar Cells May Someday Replace Silicon-Based Panels 新型无机物料或取代硅板成太阳能板材料 Rapidly expanding solar cell technology currently relies on expensive photovoltaic materials such as silicon or cadmium telluride, w

Juninho reveals contact with Chelsea's Malouda about Brazil move

Juninho reveals contact with Chelsea's Malouda about Brazil move RIO DE JANEIRO, Oct. 22 (Xinhua) -- Former Brazil international midfielder Juninho has revealed that he has spoken to Chelsea's Florent Malouda in a bid to bring the midfielder to Vasco

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中国光伏企业在美遭双反调查 BEIJING, Jan. 8 (Xinhuanet) -- Chinese solar companies will be entirely blocked from the United States market if that nation's government imposes new duties on solar cell products made in the Chinese mainland a

VOA常速英语2007-Washington DC Becomes Solar Village

By Paul Sisco Washington 22 October 2007 Twenty college and university teams from around the world competed inthe recentSolar Decathlon that is held every two years in Washington, D.C. The U.S. Energy Department sponsors the event, and this year's wi

美国宇航局时隔两年找回失联太阳观测卫星

After losing communication with a space probe two years ago, NASA says it has reestablished contact. 在和一颗卫星失联长达两年之后，美国宇航局日前宣布，已和它重新取得了联系。 NASA said it lost contact with the Solar

太阳能飞机飞越大西洋后在西班牙降落

AS IT IS 2016-06-24 Solar-Powered Airplane Lands in Spain 太阳能飞机飞越大西洋后在西班牙降落 An airplane powered totally by the sun landed in Seville, Spain early Thursday after completing a 71-hour flight across the Atlantic Ocean.

VOA标准英语2009年-Nanotechnology Offers Some Solutions t

Tiny nanomaterials show promise in many efforts to reduce greenhouse gas emissions Rosanne Skirble | Washington, DC 03 December 2009 Sir Lankan village shop at dusk lit by solar panels - Nanotechnology could help make solar cells more accessible, eff

【英语时差8,16】利用太阳能-下

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

夏说英语新闻晨读 第92期:太阳能飞机环球之旅

本期内容： Solar Impulse, a solar-powered plane, completed the longest, transpacific leg of its round-the-world journey. The 72-metre-wide craft, powered by 17,000 photovoltaic cells on its wings and fuselage, has broken several solo- and long-f