单词:Raman shift laser
单词:Raman shift laser 相关文章
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
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
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