单词：volatile alkaloid
单词：volatile alkaloid 相关文章
This book stinks! is really a bad review. But even a classic work can start to smell when it gets old enough. Now chemists have developed a technique that identifies what kind of degradation process an old book or historical document is going through
Scientific American(十一)月
Members of Congress are demanding more taxpayer protections and congressional oversight in the $700 billion bailout plan lawmakers are expected to debate this week to rescue failing U.S. financial institutions. As VOA's Dan Robinson reports from Cap
VOA标准英语2008年（九月）
Residents of Nigeria's city of Jos say attacks are continuing for a fourth day in parts of the state previously unaffected despite the imposition of a 24-hour curfew and the deployment of soldiers. Incidents of violence are still being reported in th
VOA标准英语2010年(一月)
U.S. officials say they are encouraged that Yemen can be a full partner in the fight against al-Qaida, despite uneven counter-terrorism cooperation in the past. The top State Department official for Near Eastern affairs, Jeffrey Feltman, said Yemen's
VOA标准英语2010年(二月)
Air pollution 空气污染 A: I've heard of ground-level ozone but can you explain what it is exactly? A:我听说近地面臭氧，但是你能确切解释一下是什么吗？ B:Yes, it's one of the main air pollutants. Factories don't emit it dire
职业技术英语口语
今天我们要学的词是volatile。 Volatile, 不稳定的，动荡的。 Wall Street ended a volatile week of trading, 华尔街股票交易结束了动荡的一周。 With Europe's debt crisis and America's debt rating downgraded, global stock m
英语单词荟萃
European stock markets were volatile Monday despite the European Central Bank saying it intended to buy up government debt. European Commission spokesperson Ollie Bailly said Monday that the measures taken by the European Central Bank should calm inv
英语新闻
Financial markets remain under immense selling pressure as the Dow Jones Industrials fell Thursday by another seven percent, or 675 points, to a five year low of 8,579. VOA's Barry Wood has more. Traders David O'Day, center, and Steve Schnibbe, righ
VOA标准英语2008年（十月）
But methane is actually odorless, too. 但是甲烷也是无味的。 Well then, what stinks? 那么，什么东西这么臭？ The foul smell is usually due to volatile sulfur compounds, such as hydrogen sulfide and methanethiol, or methyl mercaptan
TED演讲教育篇
China's economy 中国经济 Keqiang ker-ching 李克强好样的！ How Chinas next prime minister keeps tabs on its economy 看下一任中国总理如何看管自国经济 Dec 9th 2010 | HONG KONG | from PRINT EDITION IF CHINAS deputy prime minist
经济学人综合
By Nancy-Amelia Collins Jakarta 05 June 2007 East Timor President Jose Ramos Horta in Dili (File Photo) The president of East Timor says the capital, Dili, remains volatile after two people were killed during election campaigning for parliamentary el
2007年VOA标准英语（六月）
Some 40 percent of respondents are not satisfied with the state of their year-end bonuses as Spring Festival, or China's Lunar New Year, approaches, according to a survey by China Youth Daily. 根据《中国青年报》的一项调查显示，随着中
英语新闻
Hot on the heels of the official numbers, a private PMI survey series also reports that March was a better month for Chinese manufacturers. 紧随官方数据发布的一项民间采购经理指数(PMI)调查结果也显示，3月份中国制造业状况
英语新闻
NEW YORK, Aug. 31 (Xinhua) -- Wall Street closed moderately higher on Wednesday, ending a volatile August as investors hope that the Federal Reserve will add more liquidity to the market. On the economic front, ADP employment report showed that priva
英语新闻
An obvious apparent difference between dividends and buy-backs is that every shareholder gets the dividend but not all of them tend to take part in a buy-back. 股息与回购的明显区别是每个持股人都会得到分红，但并不是所有的持
经济学人财经系列
Finance and economics 财经商业 Free exchange 自由兑换 Money from nothing 无中生钱 Chronic deflation may keep Bitcoin from displacing its fiat rivals 慢性通缩的比特币可能无法取代其法定对手 BITCOIN, to its most ardent fan
经济学人商业系列