Different kinds of clay contain different minerals such as silicon or iron dioxide.

VOA: special.2009.09.09

Gallium arsenide switches ten times faster than silicon All of a sudden,I've got a clock speed ten times faster with no change in design.

砷化镓启动的速度是硅的10倍,突然，我得到了10倍快的时钟速度,但是设计没有发生任何改变。

麻省理工公开课 - 固态化学导论课程节选

Can you explain to us about Silicon Valley?

能跟我们聊聊硅谷吗？

关于硅谷 - SpeakingMax英语口语达人

The ocean floor is basalt rock, a mixture of silicon and magnesium.

VOA: special.2011.01.04

We begin by doing a neural surgical procedure, to implant a silicon based electrode array that you are seeing on the right.

一开始，我们做一个神经手术，植入一个电极排列芯片,正如大家在右边说看到的。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

Most sand is made of quartz, a hard silicon crystal.

VOA: special.2010.01.04

He said look at sodium, magnesium, aluminum, silicon, phosphorus, sulfur, chlorine, potassium.

他说，看，钠，镁，铝，硅，磷，硫磺，氯，钾。

麻省理工公开课 - 固态化学导论课程节选

Changes are taking place in Silicon Valley in California.

VOA: special.2011.01.28

And you have the Silicon Valley boom.

现在有了一片繁荣的硅谷。

关于硅谷 - SpeakingMax英语口语达人

Salman Khan lives in California's Silicon Valley, with his wife, a rheumatologist in training at Stanford University, and their new baby.

VOA: standard.2010.03.26

I mean,this romantic notion of what goes on in Silicon Valley actually still holds true in a lot of cases but there's absolutely no way, as a venture capital investor, you could index the venture capital market.

比如,硅谷崛起的故事,实际上许多其他地方也有类似的例子,但是对于风险投资者来说,指数化风险资本市场,是绝对不可能的

耶鲁公开课 - 金融市场课程节选

than formerly was recorded." Silicon Valley attorney Gary Reback represents the Open Book Alliance,whose members include Microsoft and Amazon.com.

VOA: standard.2009.12.31

I don't know what it takes to replicate that in China, but I certainly hope one day there will be a place in China that looks like Silicon Valley.

无法想象如何在中国复制一个硅谷，但我希望在将来,中国会有类似硅谷的地方。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

And that sparse array of wires has exactly the same light absorption and electricity-collection properties as the conventional silicon wafer cell."

VOA: standard.2010.02.19

This is his prediction for silicon.

这是他对硅的预测。

麻省理工公开课 - 固态化学导论课程节选

The tiny silicon wires stick up from the base,or substrate, looking something like a microscopic hair brush.

VOA: standard.2010.02.19

But it's not an easy task. Silicon Valley is very unique.

但这并不容易，硅谷是独一无二的。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

After visiting Silicon Valley, President Medvedev comes to Washington for a brief summit with President Barack Obama.

VOA: standard.2010.06.18

Construction is a combination of workmanship and choice of materials. Take this computer, if I pull the silicon out, I replace it with gallium arsenide, leave everything else the same.

构造则是技巧和材料的选择,的结合，拿这个电脑为例，如果我将硅取出，替换成砷化镓，其他东西不变。

麻省理工公开课 - 固态化学导论课程节选

And because the key component of solar cells is an expensive, highly purified form of silicon, there's a real economic benefit to this design.

VOA: standard.2010.02.19

Solar cells,or photovoltaics, are widely made using wafers of silicon that are stiff and brittle.

VOA: standard.2010.02.19

But the silicon is what converts light into electricity, so you might think using so much less silicon would reduce the electrical output, but Atwater says that's not the case.

VOA: standard.2010.02.19

Those are questions that don't have answers yet." Analysts say President Medvedev's idea of creating a Russian Silicon Valley is tied to his broader plan to modernize the country's economy.

VOA: standard.2010.06.18

The high point of President Medvedev's stay in the United States will be his visit to Silicon Valley - an area in northern California known for its high-tech companies, venture capitalists and forward-looking entrepreneurs.

VOA: standard.2010.06.18

"Our technology uses 50-100 times less silicon."

VOA: standard.2010.02.19

David Kramer,former senior State Department official in the George W.Bush administration, says the Russian president will be in northern California to try and form business partnerships and to learn how Silicon Valley got started.

VOA: standard.2010.06.18

Experts,such as Robert Legvold from Columbia University, say Mr.Medvedev is trying to generate interest in his plan to create a Russian Silicon Valley in the suburbs of Moscow known as the Skolkova Innovation Initiative.

VOA: standard.2010.06.18

"You really need system-wide Skolkovas - Silicon Valley - otherwise it ends up just like under Catherine the Great when they imported a lot of German tradesmen and planted them in various settlements - but they were fairly self-contained.

VOA: standard.2010.06.18

"So when Medvedev committed himself to the idea of creating a Silicon Valley, and there were a number of parts, different cities in Russia that vied for its location, it was decided to put it in this park.

VOA: standard.2010.06.18