单词:ionic condutivity
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A: I'm Avi Arditti with Rosanne Skirble, and this week on WORDMASTER: our guest is linguist Geoff Nunberg. He's been listening to how Americans debate issues, and there's a particular word he often finds they invoke: sensitivities. GEOFF NUNBERG: It'
Broadcast: July 15, 2003 This is Bill White with the VOA Special English Agriculture Report. On July second, the European 1)Parliament agreed to let new 2)genetically changed products enter the Europe
By Daniel Schearf Islamabad 29 September 2007 Afghanistan's President Hamid Karzai has condemned a suicide bombing in Kabul that killed 30 people and wounded many others. Mr. Karzai also offered to personally meet with Taleban and insurgent leaders a
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by Michael W. Flynn First, a disclaimer: Although I am an attorney, the legal information in this podcast is not intended to be a substitute for seeking personalized legal advice from an attorney licensed to practice in your jurisdiction. Further, I
BOB DOUGHTY: This is SCIENCE IN THE NEWS in VOA Special English. Im Bob Doughty. BARBARA KLEIN: And, Im Barbara Klein. Today, we will tell about stress and its effects on human health. Stress is a condition resulting from mental or emotional tension.
By Margaret Besheer United Nations 12 January 2008 The U.N. Security Council has formally condemned Monday's attack on a U.N.-African Union supply convoy in Sudan's Darfur region, and threatened action against any party obstructing the peace process.
Radio Essays Explore Technological Creativity There are mechanisms in nature as well as in human endeavors like engineering and art. Since 1988, the creative manipulation of these mechanisms has been explored in short radio essays about the history o
This is Scientific American sixty seconds science. I'm Shouky Berswek. Got a minute? Jazz musicians are skills introvisers, and now we know that they craft their spontaneous melodies the same way you craft the sentence. Researchers scan the brains of
Beginners. Black, red, green, light blue, silver, orange, swords, lazers, helmets, shields, flying machines, underwater vehicles. The list could go on. What do these words refer to? Bionicles. They are a type of lego. You can buy them in boxes to put
Did the British and American governments routinely cover up information about UFOs? The answer appears to be yes to an extent, anyway. The Ministry of Defence has said that it will start releasing thousands of secret UFO documents it's held, for in
By Alisha Ryu Nairobi 27 November 2007 Somali journalists and human rights groups have condemned new regulations introduced by the mayor of Mogadishu severely restricting independent reporting in Somalia. As VOA Correspondent Alisha Ryu reports from
By Alisha Ryu Nairobi 06 July 2007 International human rights activists and lawyers are condemning reports that Somalia's interim government has carried out its first formal executions since the government body was formed with international backing i
By Sabina Castelfranco Rome 19 February 2008 Italian police have arrested the leader of the Calabrian mafia, which has parlayed drug trafficking to become more powerful than the more famous Sicilian mob. Clan feuds of the powerful 'Ndrangheta organiz
Improving Productivity by Improving Lighting We all know that our surroundings affect our ability to get work done, from that irritating buzzing from the next cubicle over to the uncomfortable chair causing our back pain. But what about lighting? Has
The Productivity Tricks and Daily Habits of Famous People Famous visionaries often develop a reputation for having a few eccentricities. However, for many people, these small eccentricities are part of a larger group of daily rituals that help them t
In 1990, before the collapse of the Soviet Union, the Moscow City Council changed the names of many, but not all, city streets that honored communist leaders associated with Soviet atrocities. Today, Russian civic activists are calling for a complet
By Margaret Besheer United Nations 04 February 2008 The United Nations Security Council has issued a statement expressing its grave concern over rebel groups' efforts to overthrow the government of Chad. VOA's Margaret Besheer reports from U.N. headq
By Kurt Achin Seoul 03 June 2008 South Korea is seeking to ease some domestic irritation, with a move that could complicate American-Korean trade relations. Seoul is amending its promise to resume U.S. beef imports by imposing new trade conditions a