单词：anode hum
单词：anode hum 相关文章
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a
Scientific American(四)月
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
Scientific American(九)月
By Phuong Tran Dakar 23 January 2007 Union leaders in Guinea say they will pursue their strike, despite deadly violence that killed more than 20 people and injured dozens on Monday. But human-rights activists and aid workers are alarmed at condition
2007年VOA标准英语（一月）
Some in New Mexico do and are mystified and annoyed Ted Landphair | Washington, DC 17 February 2010 No one has yet figured out why, or whether, pleasant, somewhat remote Taos, New Mexico, is visited by a strange hum, audible to only a few. ...scienti
VOA标准英语2010年(二月)
By Scott Stearns White House 22 June 2007 U.S. President George Bush and Vietnamese President Nguyen Minh Triet met at the White House Friday to discuss human rights and commercial ties. VOA White House Correspondent Scott Stearns has more about the
2007年VOA标准英语（六月）
By Nancy-Amelia Collins Jakarta 21 June 2006 Indonesian Army soldiers watch from their armored vehicles during a security preparation in Denpasar, Bali, Indonesia, May 8, 2006 A new report by a human-rights group says the Indonesian military's busin
2006年VOA标准英语（六月）
By Fid Thompson Dakar 22 September 2009 The human rights group Amnesty International says the maternal health situation in Sierra Leone amounts to a human rights abuse. The small West African nation has one of the highest maternal mortality rates in
VOA标准英语2009年(九月)
DEVELOPMENT REPORT - Alliance for the New Humanity By Jill Moss Broadcast: Monday, January 12, 2004 This is Bob Doughty with the VOA Special English Development Report. Graphic Image A new group says
农业与发展
New map of zebra finch DNA could provide keys to stuttering, autism and Parkinson's disease Vronique LaCapra | St. Louis, Missouri 05 April 2010 Photo: L. Brian Stauffer, University of Illinois News Bureau The zebra finch is the first songbird to hav
VOA标准英语2010年(四)月
LIMA, Jan. 2 (Xinhua) -- Peruvian President Ollanta Humala Wednesday inaugurated the Villa Dakar, a facility where vehicles racing in the 2013 Dakar Rally will get a mechanical revision before the race next Jan. 5. A total of 459 vehicles, including
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