单词：electrospectroscopy for chemical analysis (esca)
单词：electrospectroscopy for chemical analysis (esca) 相关文章
Study Says Breath Analysis Can Help in Diagnosing Cancer Lung cancer claims an estimated one and a half million lives each year. But a research team at the Cleveland Clinic and University of Illinois is working to develop a new test that could make d
VOA标准英语2012年(一月)
This is the second in a 2-part Business English Pod series on presenting a SWOT analysis. A SWOT analysis is a tool that helps companies understand their strengths and weaknesses, while keeping in mind the opportunities and threats they face. In this
商务英语演讲课
In this Business English Pod lesson, we start the first in a 2-part series on presenting a SWOT analysis. A SWOT analysis is a simple but powerful framework for analyzing your companys strengths and weaknesses these are internal to the company as wel
商务英语演讲课
Some state lawmakers are pushing to ban(1) potentially(2) cancer-causing(3) chemicals from children's products and sofas. The two flame retardant(4) chemicals are known as TCEP and TDCCP and are found in car seats, strollers(5), changing pads(6), oth
英语博客 A cup of English
Syria and Russia say the United States has lied about chemical weapons attacks in the Syrian conflict as a way of blocking efforts to end the fighting. A Syrian foreign ministry source condemned what it called lies and allegations by U.S. Secretary o
2018年VOA慢速英语(一)月
Scientists have found that levels of a now-banned chemical are rising again in Earths atmosphere. The chemical is called CFC-11. It is the second most common kind of CFC, short for chlorofluorocarbon. Chlorofluorocarbons were once widely used in many
2018年VOA慢速英语(五)月
By Steve Herman Bhopal, India 08 January 2008 Dow Chemical, the world's second-largest chemical manufacturer, is facing difficulties trying to expand in India. The company is haunted by the 1984 leak of methyl isocyanate, one of the most lethal chemi
VOA标准英语2008年（一月）
Political tensions in Thailand have risen sharply after supporters of former Prime Minister Thaksin Shinawatra stepped up protests in the Thai capital and shut down key roads. The protesters threaten more drastic action if the government does not re
VOA标准英语2009年(四月)
News and analysis from an African American perspective Art Chimes | Washington, DC 19 February 2010 Related Links The Root February is African American History Month here in the United States, and so this week we feature a site that looks at news and
VOA标准英语2010年(二月)
The drug Taxol is a powerful weapon in the fight against cancer, but it's very expensive and complicated to manufacture. Now, scientists at Tufts University and the Massachusetts Institute of Technology (MIT) say they've taken the first steps to make
VOA标准英语2010年(十)月
Common Chemical May Damage Teeth A chemical compound thats been linked to a number of health problems in animal studies may also damage tooth enamel in humans. BPA is found in many resins and plastics that people use everyday, such as water and baby
VOA标准英语2013年(六月)
In the wake of several serious chemical pollution incidents, China's Ministry of Environmental Protection says it will begin a nationwide inspection of all certified producers of dangerous chemicals of their pollution control measures. As Liu Yan rep
世界各地新闻集锦
DNA analysis is a staple of crime scenesand crime shows, like HBO's The Night of or the old standby, CSI: We just need to get this to the DNA lab, confirm it's the victim's blood. And then, case closed. And it's not just for crime: DNA sequencing als
2016年Scientific American(九)月
By Al Pessin Pentagon 06 February 2007 U.S. Defense Secretary Robert Gates has announced that the U.S. military will create a new command for Africa. VOA's Al Pessin reports from the Pentagon officials say the command is to be established by Septemb
2007年VOA标准英语（二月）
By Ayaz Gul Islamabad 27 April 2008 Afghan President Hamid Karzai has survived an assault by Taliban militants on a military parade in Kabul. At least three people were killed, including a parliament member, and eight others were wounded in the attac
VOA常速英语2008年（四月）
Chemical Rush Brian Mcfadden Chess game, Im the pawn Youre the queen, Im the throne Take me out tonight Make your move, pick and choose Anywhere Im gonna lose Give it to me black or white Feel it coming on Like a pulse in my head Sending chills right
好听的英文歌曲
音乐+爱情的化学反应：Chemical Rush 还是Brian Mcfadden小编对BB的新专辑实在不能不执着啊~这首依旧是混杂了电子风的Chemical Rush，稍微有些中规中矩，和专辑中电音味道更重的歌比起来，有些收敛
经典英文歌曲
音乐+爱情的化学反应：Chemical Rush Artist：Brian Mcfadden Song：Chemical Rush Chess game, Im the pawn Youre the queen, Im the throne Take me out tonight Make your move, pick and choose Anywhere Im gonna lose Give it to me black or white F
流行英文歌曲
音乐+爱情的化学反应：Chemical Rush 还是Brian Mcfadden小编对BB的新专辑实在不能不执着啊~这首依旧是混杂了电子风的Chemical Rush，稍微有些中规中矩，和专辑中电音味道更重的歌比起来，有些收敛
英文摇滚歌曲
Chess game, Im the pawn Youre the queen, Im the throne Take me out tonight Make your move, pick and choose Anywhere Im gonna lose Give it to me black or white Feel it coming on Like a pulse in my head Sending chills right through my bones Keep coming
英文摇滚歌曲