单词:molecular depresion of freezing-point
单词:molecular depresion of freezing-point 相关文章
[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:06.14]2003 Text2 [00:08.35]To paraphrase 18th-century statesman Edmund Burke, [00:12.20]all that is needed for the triumph of a misguided cause [00:16.43]is that good people do nothing. [00:19
[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:03.81]1999 Passage4 [00:07.51]When a Scottish research team startled the world [00:10.54]by revealing 3 months ago [00:12.61]that it had cloned an adult sheep, [00:14.94]President Clinton move
However, I managed to get a hold of a Borane eventually, and here is the beast. 无论如何,我最终得到了一些硼烷,这就是那个怪物。 And it really does have the same -- if you calculate, if you measure the vibrational frequencies,
This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The human genome was sequenced, and in the process of moving that forward the technology that was developed was incredible. And because of their efforts in human genome,
This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. Just when you thought youd heard everything, scientists have found that the reason you can hear everythingincluding things that are very quietis because
This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? The Nobel Prize in chemistry goes to three men who revolutionized molecular life science, Japans Osamu Shimomura and Americans Martin Chalfie and Roger Tsien. They dev
The 2009 Nobel Prize in Chemistry goes to Venkatraman Ramakrishnan of the MRC Laboratory of Molecular Biology in England, Yale Universitys Thomas Steitz, and Ada Yonath of the Weizmann Institute of Science in Israel for their studies of the ribosome.
This is Scientific American's 60-Second Science, I am Karen Hopkin. This will just take a minute. I once took part in a vodka tasting contest, in which participants tried to tell an expensive brand from a cheap one. I dont recall the exact outcome, f
This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? At the recent Lindau Nobel Laureate Meeting, 2009 chemistry laureate Thomas Steitz recalled that at one institution in the 60s, he saw how informal scientific collaborat
反射星云是靠反射附近恒星的光线而发光的,呈蓝色。反射星云的光度较暗弱,较容易观测到的例子是围绕着金牛座M45七姊妹星团的反射星云,在透明度高及无月的晚上,利用望远镜便可看到
[00:11.60]WARMING UP [00:16.04]How many new uses can you think of for the folowing items? [00:36.49]reminds us of the appearance of nanotechnology, [00:53.76]according to which nothing is useless and [01:04.91]no garbage or waste material to speak of
Words and Their Stories: Clothing Expressions, Part One 词汇典故:和衣服相关的词汇 Now, the VOA Special English program WORDS AND THEIR STORIES. 现在是VOA慢速英语词汇典故节目。 Have you ever considered all the English expre
Antibiotic Alternative Treats Urinary Infection in Mice Researchers have a new approach for treating urinary tract infections, a painful condition which can often be treated successfully with antibiotics. But many times, the infection is caused by st
This years Nobel Prize in Chemistry is about the worlds smallest machines. G?ran Hansson, secretary general of the Royal Swedish Academy of Sciences, earlier this morning. The Royal Swedish Academy of Sciences has decided to award the 2016 Nobel Priz
How many people here are 40 years old or older? You're afraid to admit it now. 在座的有多少人已经四十多岁了?你不想承认了吗? This initial step into the disease, this presence of amyloid plaques accumulating, can already be fou
Salt vs. Ice 食盐大战冰块 Y: Why does salt melt ice? D: It lowers the melting and freezing point of water. Y: Oh,OK.Wait,I don't get it. Doesn't that mean the salt make ice colder? D: Let me explain.Pure water freezes at thirty-two degrees Fahr
Sicience and technology 科学和技术 Cancer and obesity 癌症与肥胖 Malignant flab 恶性松弛 At last, an understanding of how overeating causes cancer 吃得过多如何导致癌症 OVERWEIGHT women are more likely to develop breast cancer
HEALTH REPORT - Study Links Red Meat to Higher Risk of Breast CancerBy Caty Weaver Broadcast: Wednesday, November 22, 2006 This is the VOA Special English Health Report. Exercise and keeping a healthy
BEIJING, Aug. 26 (Xinhua) -- China Construction Bank, the country's second largest state-owned bank, said its net profit rose 14.57 percent to 106.49 billion yuan (about 16.9 billion U.S. dollars) in the first half of this year. The bank's business r
Books and Artts; Book review; 文艺;书评; Conundrums of science; 科学谜题; What is it for? 科学究竟有什么用? Scinece in the 20th century and beyond; by Jon Agar; 20世纪后科学;乔艾格著; SCIENCE works with problems b