单词:Raman shift laser
单词:Raman shift laser 相关文章
Looks like he's been working the graveyard shift Neil: Hello, welcome to Real English from BBC Learning English, I'm Neil. Helen: 大家好,我是 Helen。 Neil: In Real English we look at words and phrases people use all the time, but you probably won't
Back at the explosives lab, examiners use a high-tech instrument called a Raman spectrometer, a device that determines if a package contains explosive material. With the Raman, what we are doing is th
India and Pakistan Commit to Building Gas Pipeline 印度与巴基斯坦合建天然气管道 India and Pakistan say work on a gas pipeline linking Iran to India via Pakistan could begin next year. Of
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
分集介绍:本集主要是对与会人士致以问候和欢迎,并表示感谢。首先感谢会议组织者,特别提到事先告知成本值得其他同事借鉴,其次感谢各位学者的文稿,再特别感谢公司人士的出席。另
[00:17.98]Night Shift [00:22.08]夜班 [00:36.71]After a few seconds I started feeling this cold chill. [00:41.14]That feeling was very uncomfortable for me, [00:44.06]so I turned around and turned my flashlight on, [00:48.09]but I could not see anythi
[00:17.93]Night Shift [00:22.12]夜班 [00:36.84]At this moment the dog went totally crazy, totally ballistic; [00:42.45]I have never ever heard a dog bark like this! [00:46.39]It was a very aggressive barking. [00:48.85]I was flashing my flashlight do
[00:17.91]Night Shift [00:22.11]夜班 [00:36.70]I can tell you that I turned my head [00:38.67]around to look behind me 50 times [00:41.19]while I was walking up the hallway. [00:43.98]When I reached the doorway [00:45.25]I stopped to take a look back
[00:17.93]Night Shift [00:22.07]夜班 [00:34.64]All this started when I was working as a night guard. [00:39.05]My first two years as a guard [00:41.31]I was working at the control center as an operator [00:44.78]where the entire emergency [00:47.24]c
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
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
今天我们要学的词组是shift。 Shift有改变、转变的意思。比如美国宣布加入有伊朗和叙利亚参加的有关伊拉克问题的高层谈判。白宫突然改变政策为外交活动打开了大门, The abrupt shift of polic
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
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
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
By Anjana Pasricha New Delhi 06 June 2008 India is coping with huge energy shortfalls as a growing economy raises demand for power. But as Anjana Pasricha reports from New Delhi, the government has pledged to cover the gap in five years. Electrician
India has signed its first contract to build nuclear power plants after the international community lifted an embargo on civilian nuclear trade with the country. The deal marks the end of India's nuclear isolation. Chairman and CEO of Areva, Anne La
India is coping with huge energy shortfalls as a growing economy raises demand for power. The government has pledged to cover the gap in five years. 由于国内不断增长的能源需求,印度正在面对一场严重的能源短缺。印度政府希