单词：surface electric charge density
单词：surface electric charge density 相关文章
Electric Fish 发电鱼 One way that Harold Zakon and his team find fish to study is to put electrical detectors into the bottom of murky streams in Venezuela. This works because certain fish emit pulses of electricity. Discover electric fish -- on tod
(科普英语)Earth and Sky
Taking a taxi in a certain Eastern European country can be a shocking experience. It is said that some taxi drivers have metal wires stuck into the passenger seats. And when a button is pushed,the sea
赖世雄中级美国英语
Did Ben Franklin really discover electricity with a kite? 本.富兰克林真的靠一只风筝发现了电吗？ Everybody has heard the famous story of how pioneering experimenterand part-time founding fatherBen Franklin tied a key to a kite string
初学者听力文摘精选
Ben Franklin Did Not Get Struck By Lightning Did Ben Franklin really discover electricity with a kite? Everybody has heard the famous story of how pioneering experimenterand part-time founding fatherBen Franklin tied a key to a kite string and flew t
英语听力文摘 English Digest
Well, hearing that Odyssey had found subsurface water on Mars was enormously exciting for somebody who is involved in planning to send humans to Mars. Water has a number of important uses for us. At t
火星生命
American inventor John Goodenough first started working on battery technology more than 40 years ago. Goodenough actually co-invented lithium-ion batteries in 1980. This eventually led to a revolution in the electronics industry because those devices
2017年VOA慢速英语(五)月
Major world automakers have already invested heavily in electric vehicles and related technology and they are committed to keep doing so. Some have even promised to stop producing vehicles that run only on gas or diesel fuel in the future. The change
2018年VOA慢速英语(五)月
1387 、 电木 Bakelite 1388 、 电玉；醛树脂 ureaformaldehyde(UF) 1389 、 电池 cell 1390 、 电池组 battery 1391 、 电位；电势 electricpotential 1392 、 电位计 potentiometer 13
英文名句短语
You, today, buy gasoline miles. And we created electric miles. 现在大家买的是汽油里程。我们就创造电子里程。 And the price of electric miles ends up being a very interesting number. 电子里程价钱加起来是个有趣的数字。
TED演讲科技篇
Neil Butcher drives his wireless car to his Birmingham office. Recharging most electric cars requires a bulky cable to be plugged into a specially-designed socket. But with wireless charging, Butcher doesn't even need to leave his vehicle. He just pa
万花筒2011年
-Im Chris Kaufman and I here with Justin Kasper, who works at Smithsonian, hes an astrophysicist at the Smithsonian. And he's won a project thats gonna launch a probe at the sun, specifically the Solar Wind Electrons Alphas and Protons investigation,
万花筒2013年
SHANGHAI, Jan. 23 (Xinhua) -- Shanghai resident Qian Jun didn't have to spend a single penny on a license plate for his newly-bought battery electric vehicle (BEV). The electric car cost him 140,000 yuan (22,498 U.S. dollars) in total, including a ve
英语新闻
What's billed as the biggest rollout of electric vehicle infrastructure in the world is about to begin in the United States. Urban planners are deciding where to locate more than 11,000 charging stations in 11 major cities. They want those stations u
VOA标准英语2010年(三月)
Scientists and politicians have gathered in the Indonesian city of Manado for the World Ocean Conference. They are discussing the role of oceans in mitigating climate change and how climate change affects the world's seas, but their efforts are hamp
VOA标准英语2009年(五月)
Chicagos Argonne Lab Developing Battery of the Future CHICAGO In 2012, the Department of Energys Office of Science awarded a $120 million grant to a new technology center focused on battery development - headquartered at Argonne National Laboratory i
VOA标准英语2014年(七月)
台湾籍旅美老师今天交给我们的句子是： Stories based on imagined experiences are qualitatively different from those based on real experiences. 想象的故事在质量上和真实的经验相差甚远。
留美老师带你每日说英文
Cars And Lightning You may have heard that your car is a safe place to be in a thunder storm, and this is true. You might not know the reason for this, however.Well learn exactly what would happen if lightning struck your car. At first you might thin
英语时差8，16
今天我们要学的词是charge. Charge做为动词，有起诉的意思。默多克新闻集团窃听丑闻的最新进展是，Eight of Rupert Murdoch's editors and reporters have been charge with hacking the voice mailboxes of more than 600 peop
英语单词荟萃
本期内容： Nissan has launched a new longer-ranged version of its Leaf electric car that can be driven by just one e-Pedal for both accelerating and braking. The new Leaf can travel up to 235 miles between charges under European driving conditio
夏说英语新闻晨读
After failing in Beijing's license plate lottery system for some three years, Qin Xiaofei finally made his decision in January to buy a battery-driven car to chauffeur his wife who has recently become pregnant. But, he says, one of the biggest concer
2016CRI中国国际广播电台