单词：exciton recombination radiation
单词：exciton recombination radiation 相关文章
By Matt Steinglass Hanoi 11 December 2007 Vietnam has been holding four Vietnamese-born American citizens since late November, accusing them of terrorism. The U.S. ambassador to Hanoi has criticized Vietnam's conduct in holding the U.S. citizens. Mat
VOA常速英语2007年（十二月）
12 December 2007 Vietnam has released three of the four Vietnamese-born United States citizens it arrested in November and accused of involvement in terrorism. The release comes a day after the U.S. ambassador criticized the detentions. Matt Steingla
VOA常速英语2007年（十二月）
A key Japanese adviser on radiation（放射 ） leaks at the country's disabled Fukushima nuclear power facility has quit in protest over the government's handling of the disaster. The adviser, Toshiso Kosako, a radiation safety expert at the Univer
英语新闻
NEW DELHI, March 16 (Xinhua) -- The Indian government has ordered food originating from（发源于） Japan to be tested for radiation in the wake of explosions at a Japanese nuclear plant following a devastating earthquake-tsunami last Friday, repo
英语新闻
By Gilbert da Costa Abuja 08 August 2007 Nigeria Nigeria has approved citizenship status for about7,000 Liberian and Sierra Leonean refugees in the West African country. For VOA, Gilbert da Costa in Abuja reports that the refugees opted to remain in
2007年VOA标准英语（八月）
WASHINGTON, March 30 (Xinhua) -- A trace amount of radioactive(辐射性的) iodine（碘） has been found in a sample of milk from the west state of Washington, the U.S. Environmental Protection Agency and the Food and Drug Administration (FDA) sai
英语新闻