单词：molecular density
单词：molecular density 相关文章
[00:03.89]deed deem deep deepen [00:08.76]n.（已完成的）行为， vt.认为，相信 a.深的，深刻的 v.变深,变浓 [00:13.64]deeply deer defeat defect [00:18.26]ad.深深地 n.鹿 v./n.挫败,战胜n.失败 n.缺陷，缺点 [00:22.88]de
考研英语词汇2005
[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
历年考研英语阅读理解
[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
历年考研英语阅读理解
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,
Scientific American(十)月
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
Scientific American(四)月
Heres something we tend to take for granted: drop a few ice cubes into a glass of water at room temperature, and in a few minutes the water will cool. How does this work? 有件事情我们总觉得理所当然：室温下把一些冰块放入水中，
初学者听力文摘精选
How Does Ice Cool Drinks? Heres something we tend to take for granted: drop a few ice cubes into a glass of water at room temperature, and in a few minutes the water will cool. How does this work? Heat is a measure of molecular activity: the faster a
英语听力文摘 English Digest
Evoking images from the liquid metal and nearly unstoppable Terminator from the movies, BAE Systems has posted concept video footage of a process to create drones of the future. 近日，BAE系统公司发布的一份概念视频展示了未来制造无
英语新闻
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
Scientific American(十)月
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.
Scientific American(十)月
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
Scientific American(六)月
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
Scientific American(七)月
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
托福英语
[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
高中英语人教版高一年级
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
2016年Scientific American(十)月
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
经济学人科技系列
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
2006年慢速英语(十一)月
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
经济学人综合
In three dimensions, we did a project last year at TED Global with Autodesk and Arthur Olson where we looked at autonomous parts -- so individual parts not pre-connected that can come together on their own. 对于三维系统，我们去年在TEDGlob
TED演讲教育篇
How Do You Make A Diet-Coke Float? 你能让无糖可乐浮起来吗？ Heres an at-home experiment you can try. Take a can of classic Coca-Cola and a can of Diet Coke, and without opening either one submerge them in water. A deep sink or a bucket wi
英语听力文摘 English Digest