单词：joule-thomson process
单词：joule-thomson process 相关文章
A process of change 1) Napster’s gone but the technology remains. And so does the damage to profits. So can the music industry adapt to the times and turn the technology that’s taken its profits i
疯狂英语2003年
For most college students, the main goal of higher education is earning a degree that will lead to a successful and satisfying career. The years spent working on a program of study can be fun and include life-changing experiences. And many college cl
2017年VOA慢速英语(十一)月
注释： previous [5pri:vjEs] adj. 先前的，原来的 New Delhi [nju:5deli] n. 新德里，印度首都 Natwar Singh纳特瓦·辛格，印度外交部长，曾先后出任印度驻巴基斯坦、中
VOA2004（上）--各类新闻
Greg Flakus The Iowa caucuses held on Monday produced a big win for Massachusetts Senator John Kerry in the race for the Democratic party presidential nomination. Many analysts, however, say the real
VOA2004（上）--美国大选
Lesson 37 The process of ageing 衰老过程 First listen and then answer the following question. 听录音，然后回答以下问题。 What is one of the most unpleasant discoveries we make about ourselves as we get older? At the age of twelve year
新概念英语第四册
By Jim Malone Washington 25 October 2007 The lengthy and complicated process of choosing the next president of the United States begins in early January when voters attend party caucuses and cast ballots in primaries to select the presidential nomine
2007年VOA常速英语（十月）
By Jim Teeple Jerusalem 17 December 2007 After seven years, Israeli and Palestinian negotiators are talking once again. That development came at the end of 2007, a year of turmoil and transition which saw the Palestinian territories split, politicall
VOA常速英语2007年（十二月）
By Derek Kilner Nairobi 18 December 2007 In the past year, international efforts to end the four-year-old conflict in the Darfur region of western Sudan have included approval of a 26,000-member peacekeeping force; International Criminal Court arrest
VOA常速英语2007年（十二月）
By Naomi Schwarz Dakar 21 December 2007 Rebels and government troops in Ivory Coast are set to begin the long-awaited disarmament process on Saturday, a critical first step before forming a new national army is the divided country. Ivory Coast Presid
VOA常速英语2007年（十二月）
大学英语演讲稿 Mans life is a process of growing up Mans life is a process of growing up, actually Im standing here is a growth. If a persons life must constituted by various choices, then I grow up along with these choices. Once I hope I can
英语演讲
Ayaz Gul Pakistans President Pervez Musharraf says that in a telephone conversation with India's new prime minister, they have agreed to continue a peace process aimed at resolving bilateral disputes.
VOA2004（上）--国际时事
Colleges Look to Change Admission Process Educators across the U.S. are calling for major changes to the admissions process in higher education. The National Center for Educational Statistics (or NCES) reported that U.S. colleges and universities rec
2016年VOA慢速英语(二)月
Major world powers pledged support for reconciliation in Afghanistan to include members of the Taliban and mapped out a strategy for handing over increasing security responsibilities to Afghan forces. The decisions were announced as ministers and del
VOA标准英语2010年(一月)
今天我们选读一篇《The Secret 秘密》中关于感恩的章节。这个章节中，讲述的是当人时刻在满怀感恩的状态下，心灵上产生的巨大变化。本书的作者还说道，如果在运用《秘密》这本书中所讲授
卡卡课堂早餐英语
BEIJING, March 1 (Xinhuanet) -- A biotechnology(生物技术) company says it can produce diesel using the same ingredients(配制成分) that make grass grow, media reported on Monday. The Massachusetts company Joule Unlimited has created a genetica
英语新闻
By Gary Thomas Washington 07 February 2008 The United States is trying to get more help in fighting Islamic militants in Afghanistan, but is running into resistance from reluctant allies. As VOA Correspondent Gary Thomas reports, insurgents have ratc
VOA常速英语2008年（二月）
BEIJING, Aug. 22 (Xinhuanet) -- Researchers have discovered how a human egg captures an incoming sperm for fertilization, paving the way to help couples suffering from infertility, according to media reports on Monday. An international team of resear
英语新闻
A man enters a barbershop for a shave. While the barber is foaming（涂上泡沫） him up, he mentions the problems he has getting a close shave around the cheeks. I have just the thing, says the barber, taking a small wooden ball from a nearby dra
趣味英语
By Challiss McDonough Cairo 11 March 2008 Many Arabs say recent violence in Gaza and Israel is placing the Middle East peace process in jeopardy again. VOA Middle East Correspondent Challiss McDonough reports from Cairo the process is under review ah
VOA标准英语2008年（三月）
Researchers around the world are trying to find alternative fuels to replace fossil fuels, which are finite and might not be available in sufficient quantities in coming decades to meet the growing world demand for energy. In addition, burning fossi
VOA标准英语2009年(九月)