单词：Bloch's nitric acid reaction
单词：Bloch's nitric acid reaction 相关文章
Acid Rain 酸雨 Damage from acid rain is widespread - not just in eastern North America, but throughout Europe, Japan, China, and Southeast Asia. Is the rain that's falling on your umbrella acidic? A listener's question -- on today's Earth and Sky. J
(科普英语)Earth and Sky
This is the VOA Special English Health Report. Scientists have discovered that stored blood loses a life-saving gas. This discovery may explain why a great number of people get sick after receiving stored blood. In recent years, experts have wondere
VOA慢速英语2007年（十一）月
Children's Asthma Not Eased by Anti-Reflux Drug Seventeen-year-old Alaina Kvapil was diagnosed with asthma when she was 13. When you have an asthma attack, your airways actually close up and people dont realize that you cant breathe, you cant get the
VOA标准英语2012年(一月)
How does acid deposition affect human health? We eat food, drink water, and breathe air that has come in contact with acid deposition. Canadian and U.S. studies indicate that there is a link between t
知性英语
SCIENCE REPORT — March 7, 2002: Alzheimer’s Disease By Nancy Steinbach This is the VOA Special English Science Report. Medical researchers say a new study shows a link between the mental condition
科技之光
Alisha Ryu In Iraq, the nomination of a former exile with close ties to the United States to become the country's interim prime minister on June 30, has met with with mixed reactions from Iraqis. Most
VOA2004（上）--国际时事
By Al Pessin Pentagon 02 March 2007 A senior U.S. defense official says Russian President Vladimir Putin's sharp criticism of the United States in a speech last month did not succeed in creating doubts among U.S. European allies. But some analysts b
2007年VOA标准英语（三月）
THIS IS AMERICA - Artistic Expression in Reaction to 9/11 By Jerilyn Watson Broadcast: Monday, September 06, 2004 WRITER:
This is America
今天我们要学的词是knee-jerk reaction。 Knee-jerk reaction, 膝跳反应，意思是本能的第一反应。 Investors' knee-jerk reaction to the market downturn led to a sell-off, 投资人对市场下滑作出的本能反应造成股价暴跌
英语单词荟萃
SCIENCE IN THE NEWS - Discovery That Stored Blood Loses a Life-Saving Gas Could Solve Mystery By Lawan Davis, Soo Jee Han and Caty Weaver / Broadcast: Mon, 12 Nov 2007 16:00:00 UTC VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm S
VOA慢速英语2007年（十一）月
Turkish PM Recep Tayyip Erdogan addresses his lawmakers at the parliament in Ankara, 01 Jun 2010 Turkey's prime minister criticized Israel Tuesday for a bloody massacre that killed at least nine people on a Gaza-bound aid ship. A small number of Turk
VOA标准英语2010年(六)月
Kenyan Reaction to Kenyatta Victory Decidedly Mixed Kenya's Independent Electoral and Boundaries Commission says Uhuru Kenyatta secured a slim majority - 50.07 percent of the vote. That eliminated the need for a runoff against his main rival, Raila O
VOA标准英语2013年(三月)
By Birungi Machrine Kampala 26 November 2007 Attacks using acid are becoming more frequent in Uganda. Up to 2003, there were only 145 recorded attacks, but over the last three years, there have already been 87. Survivors often suffer from severe emot
VOA常速英语2007年（十一月）
今天我们要学的词是knee-jerk reaction。 Knee-jerk reaction, 膝跳反应，意思是本能的第一反应。 Investors' knee-jerk reaction to the market downturn led to a sell-off, 投资人对市场下滑作出的本能反应造成股价暴跌
英语每日一词
By Barbara Schoetzau New York 12 July 2006 The world's most expensive painting is now on exhibit in New York's Neue Galerie. The head of the small museum purchased the exotic Gustav Klimt painting less than one month ago for what experts say is a re
2006年VOA标准英语（七月）
Amygdala's Acidic Aspiration Answer A study in the journal Cell shows that the buildup of carbon dioxide when we stop breathing causes a pH change that signals proteins in the brain to force us to inhale. Karen Hopkin reports. Maybe its happened to y
60秒科学
By Tom Rivers London 29 October 2007 On the eve of his historic visit to Britain, Saudi King Abdullah says London is not doing enough to combat terrorism and in an exclusive interview with the BBC, he criticized the then government of Tony Blair for
2007年VOA常速英语（十月）
Russias Reaction Against Gay Rights Starts in St Petersburg MOSCOW Russia has become the worldwide target of gay activists for its new law banning gay propaganda. St. Petersburg is the birthplace of Russias reaction against gay rights. In St. Petersb
VOA常速英语2013年(九月)
STEVE INSKEEP, HOST: You know, when I was a kid, I watched pro wrestling on TV. The matches often featured a good guy, like Hulk Hogan, against a bad guy, a bad guy like the Iron Sheik, a cartoonish Middle Eastern evil dude. Pro wrestling played off
2017年NPR美国国家公共电台7月
With the International Criminal Court considering a request to issue an arrest warrant for Sudanese president Omar al-Bashir, Sudan's political parties - often at odds with the government - have come to the president's defense. As Derek Kilner repor
VOA标准英语2008年（八月）