单词:effeiciency of impaction
单词:effeiciency of impaction 相关文章
THE MAKING OF A NATION - August 1, 2002: Election of 1952 / Dwight Eisenhower By Jeri Watson VOICE 1: This is Doug Johnson. VOICE 2: And this is Phil Murray with THE MAKING OF A NATION, a VOA Special
03 The Definition of Price Prices determine how resources are to be used.(价格决定多少资源被使用) They are also the means by which products and services that are in limited supply are rationed among buyers.(它们也是有限的产品和服务
Prices determine how resources are to be used. They are also the means by which products and services that are in limited supply are rationed among buyers. The price system of the United States is a c
African Refugee Children at High Risk for Kala-azar, Malaria, Viral Infections Some 300,000 children are receiving vaccinations against polio and measles at one of the largest refugee camps in Kenya. They also are receving vitamin A and deworming tab
Robert Allen Zimmerman was born in 1941 and loved music, especially blues, from a young age. He formed several bands and played so loudly at a high school talent show the principal had to cut the microphone off. He switched to folk music because, he
By Jim Malone Washington 24 October 2006 Some opposition Democrats believe that Republican losses in the November 7 midterm congressional elections would boost the prospects for change in U.S. policy toward Iraq. In a recent conference call with rep
The U.N. refugee agency is appealing to European Union countries to make sure that people seeking asylum are given a fair hearing of their claims for international protection. The UNHCR says it is concerned about the treatment of the growing number
By Margaret Besheer Washington 01 April 2006 US Secretary of State Condoleezza Rice and Britain's Foreign Secretary Jack Straw Anti-war protesters greeted U.S. Secretary of State Condoleezza Rice for
Words and Their Stories: Green Expressions 词汇典故:和绿色相关的词汇 Now, the VOA Special English program, Words and Their Stories. 这里是美国之音慢速英语词汇典故节目。 Green is an important color in nature. It is the
Wisconsin Vote Could Impact US Presidential Election It was a moment of sweet vindication for Wisconsins embattled Republican governor, Scott Walker. Voters really do want leaders who stand up and make the tough decisions, Walker said. Walker angered
The U.N.'s top human rights official, Navi Pillay, is calling for an independent investigation into possible war crimes in both Gaza and Israel. She spoke at the opening of an emergency session called by the UN Human Rights Council to discuss the cr
Scientists Point to Possible Health Effects of Cell Phones This past May, in a major policy shift, the World Health Organization said electromagnetic fields produced by mobile phones are possibly carcinogenic. Although the International Association f
Cluster Munitions Have Prolonged Impact Mohamed is 13 years old. Two years ago, he played with a shiny metal object he found outside his home in Benghazi, Libya. He didn't know it was a cluster munition until it exploded. Cluster munitions release sm
By Joe Bavier Abidjan 09 March 2006 Benin is awaiting results from presidential elections, as allegations of fraud are mounting. Sunday's vote started in confusion when the outgoing president said the
By Pearse Lynch Nairobi 04 August 2006 Deep divisions within the transitional government of Somalia appear to be worsening, with four more ministers defecting from the administration. International observers fear rising tension in Somalia could engu
By Noel King Khartoum 15 October 2006 Special Envoy Andrew Natsios met with Sudanese Foreign Minister Lam Akol on Lam Akol Saturday. A spokesman at the Foreign Ministry told VOA that Darfur was on the agenda, but said Sudan will not change its mind
By Paula Wolfson Washington 09 May 2006 President Bush says he thinks diplomacy is the first and most important option in dealing with Iran's nuclear ambitions. Mr. Bush was asked about the dispute du
By Mike O'Sullivan Los Angeles 14 February 2006 Hollywood's motion picture academy honored nominees for the Oscars Monday, as the countdown gets under way for the annual film awards. A luncheon gave n
Extention of Letter of Credit 展延信用证 (1) Dear Sirs, (Re: Your L/C No. AG4582) We have received your L/C No. AG4582 for the amount of £2,960 to cover your Order No.860 for 20 metric tons of. The said credit calls for shipment on or before t
DAVID GREENE, HOST: I was on assignment in San Francisco recently, and it involved some food tasting. UNIDENTIFIED PERSON: So this is Chef Crenn's brioche served with a little bit of cultured butter and sea salt. It's her grandmother's recipe. What's