单词:helium-mercury direct nuclear laser
单词:helium-mercury direct nuclear laser 相关文章
By Carol Pearson Washington 30 April 2008 Ten years ago, the U.S. Food and Drug Administration approved LASIK, eye surgery with a laser that enables people to see without glasses. But about five percent of LASIK procedures fail, and those patients ca
EXPLORATIONS - The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can
By Andre de Nesnera Washington 28 April 2006 U.N. security council meeting (file photo) Iran has once again rejected cooperation with the United Nations in curtailing its nuclear weapons ambitions. So
New Laser Device Helps Parkinson's Patients Walk 新激光设备帮助帕金森患者重获行走能力 Parkinsons disease slowly destroys the brains ability to control the muscles, depriving the patients of their mobility. Researchers at the Mayo Cl
The United States Navy has demonstrated a new laser weapon operating in the Persian Gulf. The Laser Weapons System, or LaWS, is deployed on the USS Ponce transport ship. A live test firing of the weapon was recently carried out for Cable News Network
By Paula Wolfson Washington 16 April 2006 A top Republican in the U.S. Senate says the Bush administration should hold direct talks with Iran on Tehran's nuclear ambitions. Senate Foreign Relactions C
By Melinda Smith Washington, DC 18 April 2006 watch Iran Talks report Iran's recent announcement it has developed enriched uranium for its nuclear program will be under discussion this week as G-8 dip
By Scott Stearns White House 20 December 2006 U.S. President George Bush says there will be no direct talks with Iran until it stops enriching uranium. VOA White House Correspondent Scott Stearns reports, a bipartisan panel studying U.S. policy in I
This is All Things Considered. I'm Michelle Norris. Phone calls from Sweden woke up two American scientists this morning, John Hall and Roy Glauber. They will share the Nobel Prize for Physics with a German Researcher Theodor Haensch. All three worke
The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can go from the sci
EXPLORATIONS - The Laser: Futuristic Science Found at Your Local Store MARIO RITTER: Welcome to EXPLORATIONS in VOA Special English.Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one
Israeli Foreign Minister Avigdor Lieberman, right, and his Spanish counterpart Miguel Angel Moratinos give a press conference after their meeting in Jerusalem, 28 Jul 2010 Spain's Foreign Minister Miguel Angel Moratinos has called for unconditional,
The Obama administration reaffirmed Tuesday it is not interested in talks with North Korea outside the framework of Chinese-sponsored six-party negotiations on that country's nuclear program. South Korean news reports say Pyongyang has invited two U
North Korea Offers Direct Talks with US North Korea says it is offering direct talks to ease tensions on the Korean peninsula. The United States says North Korea must first meet its international obligations to end its nuclear program. North Korea mu
[0:0]lable laboratory lad lag标签,标记 实验室 男孩,小伙子 落后,滞后 [1:9.3533]lamb landlord landscape lane羔羊,小羊 地主,房东,店主 风景,景色 小路,小巷 [1:52.8522]largely laser latter laughter大部分,主要地 激光器 后者的,末了的 笑,笑声 [2:36.6
Actually, Arcturus is an omen of something far worse than the bad weather, a portended drama more intense than any of what you could imagine. When our own sun eventually becomes a red giant in 5 billion years time, it will turn into a destroyer rathe
By Deborah Tate Washington 07 July 2006 As the Bush administration seeks a united stance with other world leaders to find a diplomatic solution to the standoff with North Korea over its missile tests, one influential U.S. lawmaker says the United St
By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti
Iran's President Mahmoud Ahmadinejad says he is ready to have direct talks with the United States, but only based on justice and respect, not on pressure and imposition. He made the comments on Sunday while addressing a rally marking the anniversary
模仿文本:President Obama has spoken to his Iranian counterpart Hassan Rouhani by telephone, the first direct contact between the leaders of the United States and Iran for more than 30 years. After the call, he said he believed the two sides cou