单词：stepwise elution
单词：stepwise elution 相关文章
11. Power without Pollution Pollution is a big problem in almost all the big cities of the world. City people are, therefore, becoming more and more worried about how they can get rid of pollution. Th
赖世雄中级美国英语
Peter Heinlein The United States and Britain have offered the U.N. Security Council a fresh draft resolution that would grant sovereignty to Iraq's interim government at the end of this month. The res
VOA2004（上）--各类新闻
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
法律英语 Legal Lad
IN THE NEWS - November 16, 2002: Iraq Accepts UN Resolution By Caty Weaver This is Steve Ember with the VOA Special English program IN THE NEWS. Iraq has announced its acceptance of a United Nations r
教育与新闻
ENVIRONMENT REPORT — March 15, 2002: Nuclear Pollution and Cancer By Mario Ritter This is the VOA Special English ENVIRONMENT REPORT. A recent report by the USA Today newspaper says that a large amo
健康与环境
By Cynthia Kirk ENVIRONMENT REPORT -March 22, 2002: Air Pollution/Lung Cancer This is the VOA Special English ENVIRONMENT REPORT. Researchers have completed a major study on the health effects of air
健康与环境
Technology Report - Students Compete to Find Tech Solutions for World Problems 科技报道 - 微软创新杯带领学生们以科技解决世界棘手问题 This is the VOA Special English Technology Report. 这里是美国之音慢速英语科技报道
2011年VOA慢速英语(七)月
IN THE NEWS - Looking for a Solution to Syria 新闻报道 - 叙利亚困局求解 This is IN THE NEWS in VOA Special English. 这里是美国之音慢速英语新闻报道。 Arab League foreign ministers are expected to meet in Cairo on Sunday to d
2012年VOA慢速英语(二)月
Delegates to conference express support for idea of reintegrating Taliban militants into society, but analysts say plan will be tough sell in region Sean Maroney | Islamabad 28 January 2010 Afghan President Hamid Karzai makes a speech during the Open
VOA标准英语2010年(一月)
We are still not up to meeting the needs of the Haitian people as far as the amount of supplies that are there -- US Air Force General Douglas Fraser U.S. military commanders overseeing food and water distribution in Haiti acknowledged Thursday that
VOA标准英语2010年(一月)
Unwanted Music is Noise Pollution to Some You probably like at least some sort of music. Tunes that you pick out. Problem is, in lots of places across the United States, youre forced to hear somebody elses choice in music. Say youve just landed at an
VOA标准英语2012年(三月)
US Advocates Political Solution in Mali The Obama administration says it shares French military goals in the fight against Islamist militants in northern Mali and will help the Economic Community of West African States -- or ECOWAS -- send their own
VOA标准英语2013年(一月)
Defense attorneys for former Liberian president Charles Taylor say testimony from prosecution witnesses is tainted by cash payments from a special fund provided by the United States. Mr. Taylor's war crimes trial is drawing to a close after more than
VOA标准英语2011年(三月)
Todd: So, Phil, I'm thinking about going to China and I'm really into nature. I love wildlife. Can you recommend anything to me? Phil，我正打算去中国看看，我非常喜欢亲近大自然，我还喜欢野生动物。你能给我推荐一些景
实战口语情景对话
Iraqi Officials Ask Donors to Speed up Distribution of Financial Assistance Kerry Sheridan Representatives from some 40 donor countries financing Iraq's reconstruction program open a two-day meeting i
VOA2004（上）--各类新闻
今天我们要学的词是pollution。 Pollution, 是污染的意思。 Air pollution, 空气污染。 Water pollution, 水污染。 Beijing's chronic pollution has been one of the biggest headaches for the Olympic Games organizers, 北京长期的空
英语单词荟萃
Ohio Lake Erie, the smallest of North Americas five Great Lakes, supplies fresh drinking water to an estimated 11 million people in Ohio, Michigan and southern Ontario province, Canada. Yet sometimes pollution, both from industrial waste and farm-che
英语新闻
Shell in Court Over Nigeria Pollution Charges LONDON The international oil and gas company Royal Dutch Shell was in court Thursday facing charges of polluting Nigerian villages. The case has been brought in a civil court in The Hague by four Nigerian
英语新闻
BEIJING. Feb. 5 (Xinhua) -- Beijing authorities asked the public to cut firework celebrations and said they have reduced stocks of the items, as firework sales began on Tuesday for the upcoming Chinese Lunar New Year. Three authorized retailers in Be
英语新闻