单词：quasi-nilpotent
单词：quasi-nilpotent 相关文章
by Jason Marshall Weve now talked about three methods for calculating average values: the mean, median, and mode (affectionately known as the three Ms). So, are we done? Is that everything we could ever want to know about interpreting average values?
数学英语
This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The 2011 Nobel Prize in chemistry goes to Daniel Schechtman of the TechnionIsrael Institute of Technology in Haifa. Schechtman discovered what are called quasicrystals.
Scientific American(十)月
Potent Antibodies Offer New AIDS Vaccine Design Researchers say powerful antibodies may hold clues to developing an effective AIDS vaccine. The antibodies were isolated from individuals already infected with HIV. Dr. Wayne Koff says the goal is to fi
VOA标准英语2011年(八月)
AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster: Anu Garg, creator of the A.Word.A.Day Web site and author of a new book called Another Word A Day: An All-New Romp Through Some of the Most Unusual and Intriguing Words in English
英语单词大师-Word Master
假设一种情况，如果地球上的每个人都拥有一辆车，那么我们的交通状况会是怎样？即使现在没有实现人手一辆车，但交通拥堵的情况依旧存在..... Rob: Hello, I'm Rob, welcome to 6 Minute English. I'm j
一起听英语
AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster: Anu Garg, creator of the A.Word.A.Day Web site and author of a new book called Another Word A Day: An All-New Romp Through Some of the Most Unusual and Intriguing Words in English
词汇大师(Wordmaster)
Books and Arts; Book Review;Revolution in Egypt;Square eyes 文艺；书评；埃及的革命;广场上的旁观者 Cairo: My City, Our Revolution. By Ahdaf Soueif. 开罗：我的城市，我们的革命。作者：AHDAF SOUEIF。 The big themes of
经济学人文艺系列
1) Holy moly！太神奇了，我的天！ 2) willy-nilly 随意地,杂乱地 3) dilly dally 磨蹭 OMG冷笑话:子曾经曰过，有整理强迫症的少年上辈子都是折翼的天使，你伤不起。
OMG美语
一项新的调查发现高收入的成功女性和成功男人们简直一模一样，愿意利用他们的权力去吸引年轻的异性，进而放纵。一项新的学术研究表明，女性在本性上并不比男人更加坚贞。只是在过去
求职英语
The NBA season is only weeks away, and though there were a lot of changes this summer, most of the teams at the top remain the same. Every team is hopeful in preseason, but only a handful have realistic odds of a championship and even those are sligh
英语新闻
今天我们要学的词是potent。Potent形容词，意思是有效的、强有力的 。Fentanyl, a super potent synthetic drug at the center of a new overdose crisis in America, is presenting huge challenges for law enforcement officials. 处在美
英语单词荟萃
The NRA also claims to be a potent force in elections; it says it defeated 19 of the 24 congressmen who were on its hit-list back in 1994. But a recent article in American Prospect disputes such assertions, arguing that the NRAs impact is marginal th
经济学人综合
BEIJING, May 16 (Xinhuanet) -- NASA has readied the space shuttle Endeavour for its liftoff set for Monday, media reported Monday. Good weather looks 70 percent likely for Monday's scheduled launch of Endeavour, the next-to-last U.S. space shuttle mi
英语新闻
Uwunguruza abantu nikinga, in the Kurundi dialect of Burundi, means bike taxi-man. In the small East African countrys capital, Bujumbura, cyclists transport everything from human passengers to huge bundles of bananas and sugarcane to bricks and bedro
阅读空间
Eating a small steak every day could be as good for you as stopping smoking, scientists say. 科学家说，每天吃一小块牛排可以像戒烟一样对你有好处。 People who eat lots of protein-rich food were found to have lower blood pressu
阅读空间
Science and technology 科学技术 The uses of stem cells 干细胞的应用 Potent medicine 特效医学 Stem cells may transform the development of new drugs 干细胞可能改写新药发展 PLURIPOTENT is a long word that means able to do many t
经济学人科技系列
Getting along with your work colleagues could actually help you live longer, new research has shown. A study of 820 men and women showed those with good peer-to-peer relationships had a lower risk of mortality than those did not chime with their co-w
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