硅太阳能电池

ENVIRONMENT REPORT – October 18, 2002: Solar House Competition By Cynthia Kirk This is the VOA Special English ENVIRONMENT REPORT. Experts say in the near future, many houses in the United States wi

发表于:2019-01-02 / 阅读(32) / 评论(0) 分类 健康与环境

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Common batteries are electrochemical cells. And they may get better thanks to living cells: the multicellular organism called brown algae. Lithium ion

发表于:2019-01-08 / 阅读(81) / 评论(0) 分类 Scientific American(九)月

AS IT IS 2016-08-04 Ugandan Company Demonstrates Solar-Powered Bus 乌干达演示太阳能汽车 A bus powered by the suns energy has made its public debut. Kiira Motors Corporation demonstrated the new electric bus recently at a sports center in th

发表于:2019-01-12 / 阅读(61) / 评论(0) 分类 2016年VOA慢速英语(八)月

By Paul Sisco Washington, D.C. 19 July 2007 Silicon Valley in northern California originally referred to the corporate homes of silicon chip innovators and manufacturers, and the high tech businesses in the San Francisco Bay area. Today that region i

发表于:2019-01-12 / 阅读(100) / 评论(0) 分类 2007年VOA标准英语(七月)

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

发表于:2019-01-13 / 阅读(61) / 评论(0) 分类 VOA标准英语2010年(二月)

Did you know that in general we have on the average, i guess, about 26 eletronic gadgets in our house and they are constantly all pluging them and charging them and very little that power actually goes to chargers. Some of it is just regularly runnin

发表于:2019-02-03 / 阅读(48) / 评论(0) 分类 英语杂谈