单词:tetraphenylsilicon
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Lesson 10 Silicon valley 硅谷 First listen and then answer the following question. 听录音,然后回答以下问题。 What does the computer industry thrive on apart from anarchy? Technology trends may push Silicon Valley back to the future. Ca
AS IT IS 2015-09-01 Los Angeles' Silicon Beach Becoming Like Silicon Valley America's high technology industry is centered in northern California. The area, known as Silicon Valley, is a short drive from San Francisco Bay. Silicon Valley is home to G
California's Silicon Beach Is Growing Hub for Tech Start-Ups On the west side of Los Angeles, people from around the world come for the beach, year-round sunshine and warm weather. This also is where Gregg Spiridellis and his brother operate the onli
Many of the Burgess specimens have now been assigned to living phyla just where Walcott put them in the first place. 许多布尔吉斯标本现在已经归到活着的动物的门里就是沃尔科特最初放置它们的地方。 Hallucigenia and s
A citizen uses her cellphone to scan the QR code on a mobike in Beijing. [Photo: China Daily] Issues connected to innovation are being actively discussed by lawmakers at the annual political sessions here in Beijing, with observers suggesting the Chi
This is Scientific Americans 60-Second Science. Im Steve Mirsky. Got a minute? To keep your car purring, you have to change the oil. Such maintenance produces eight billion gallons of used motor oil annually. Some waste oil does get re-refined to pro
This is Scientific American Sixty Seconds Science, I'm Sophie Bushwick, got a minute? When Mexican tetra fish moved into darker caves long ago, they evolved to deal with the dark by becoming albino and going blind. A new research shows that the chang
Fun Fact: Alligators Can Regrow Teeth 有趣的事实:短嘴鳄可以再长牙齿 Fun fact about alligators: they can regrow any of their eighty teeth up to fifty times. Which is pretty impressive, especially compared to us relatively dentally chal
its time again for the A Moment of Science mailbag. A listener writes: Dear A Moment of Science, Ive always been fascinated by volcanoes. So I was wondering: How well can scientists predict when and where a volcano will erupt? Intersting question. Th
T Tanshinone IIA 丹参酮IIA Tanshinone I 丹参酮I Tanshinone IIB 丹参酮IIB Taraxasterol 蒲公英甾醇 Taraxerol 蒲公英赛醇 Tauro ursodesoxy cholic acid 牛磺熊去氧胆酸 Taxifolin 花旗
This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ
Algae seem harmless enough. These precursors to plants thrive throughout the world's waters. But these single-celled plants have global consequences. We can thank them for oxygen in the atmosphere, oil in the lithosphere as well as dead zones in the
You might think the only place to set up a technology company in the United States is California. After all, Northern California has Silicon Valley, which is home to companies like Apple and Google. One expert on new business agrees Silicon Valley is
Some of the most successful technology business owners in Silicon Valley are immigrants. Silicon Valley is an area of northern California that is home to major technology companies like Apple, Google and Facebook. For some immigrants, just living in
Russian President Dmitry Medvedev uses a touch screen during a video-link at the Gorki presidential residence outside Moscow, 07 Jun 2010 US Defense Department Backs Quick Ratification of New START Treaty with Russia Russian President Dmitri Medvedev
STEVE INSKEEP, HOST: Facebook says that starting today it will begin sending a message to roughly 87 million people. These are people whose information may have been shared with Cambridge Analytica - the political data firm - without any consent. Dis
LULU GARCIA-NAVARRO, HOST: There is a trade war underway between the U.S. and China, and it is a big concern to the global economy. But there's another deeper rift brewing between Washington and Beijing. And that stems from China's effort to unseat t
WASHINGTON, Aug. 4 (Xinhua) -- Researchers have found a way to turn mouse embryonic stem cells into sperm and this finding opens up new avenues for infertility research and treatment, according to astudy published Thursday in the online edition of jo
It is hard to escape the images of Konza City in Kenya. Advertisements promoting the future high-tech hub, or technopolis, appear daily in the country's newspapers and show regularly on the state television network. The ambitious plan is the work of
10 Getting The Lead Out 第十章 把铅撵出去 In the late 1940s, a graduate student at the University of Chicago named Clair Patterson (who was, first name notwithstanding, an Iowa farm boy by origin) was using a new method of lead isotope measur