[化] 氯气发生器

SSS 2009-05-15

This is Scientific Americans 60-second Science, Im Steve Mirsky, got a minute? Friends who had a swimming pool also had a little sign posted that said, We dont swim in your toilet. Please dont pee in our pool. Despite such widespread admonitions, 4/5

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Scientific American(五)月

美联社新闻一分钟 2007-03-18

1. Thousands of war protesters converged on Washington today. They marched from the Vietnam War Memorial to the Pentagon to observe the 4th anniversary of the start of the war in Iraq. 2. Meanwhile the violence continues in Iraq. The military says t

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美联社新闻一分钟2007

2007年VOA标准英语-Truck Bomber Releases Chlorine Gas in Western I

By Margaret Besheer Baghdad 06 April 2007 Iraqi officials say a suicide bomber has detonated a truck filled with explosives and chlorine gas near the western Iraqi city of Ramadi. At least 27 people were killed and dozens more injured and sickened. F

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2007年VOA标准英语（四月）

美国国家公共电台 NPR Lethal Pneumonia Outbreak Caused By Low Chlorine In Flint Water

AILSA CHANG, HOST: Scientists announced today that they have figured out the cause of an outbreak of Legionnaires' disease in Flint, Mich., a few years ago. Twelve people died. This was at the start of the city's water crisis. And the problem was a l

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2018年NPR美国国家公共电台2月

2007年VOA标准英语-Chlorine Gas Attacks in Iraq Injure 350

By Margaret Besheer Irbil, Iraq 17 March 2007 In the volatile Western Iraqi province of Al-Anbar, suicide bombers driving trucks filled with chemicals struck at three different locations late Friday afternoon. U.S. military officials said Saturday at

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2007年VOA标准英语（三月）

Coca-Cola apologizes for chlorine-tainted drinks

TAIYUAN, May 4 (Xinhua) -- Coca-Cola Shanxi Beverages Co. Ltd. on Friday announced the resignation of its general manager and the suspension of several employees after admitting traces of chlorine were found in some of its drinks. The company also ma

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be afflicted with a disease

beauty contest

Beilun

bernoulli's constant