The variation of available silicon was controlled by the variation of weathering intensity in the area studied.

研究区土壤风化作用强度规律性变化是造成区内土壤有效硅含量变化的主要原因。

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The level of available silicon is higher in Black soil and Cinnamon soil, but lower in Albic soil, Meadow soil and Brown earth.

大部分黑土和褐土属于较高水平，而白浆土、草甸土和棕壤偏低。

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The key was to identify low-cost methods of achieving the same effects with readily available, commercial- grade silicon.

问题的关键是以以有效的方式确定低成本的方法，并能达到相同的效果，也就是商业级别的硅。

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Britain lags well behind the United States in Internet use and small firms in the UK struggle to attract the venture capital they need compared to the funds available to Silicon Valley start-ups.

BBC: UK takes on the Internet World

And while even Apple may not know if it will stick with the 3.5-inch-high resolution screen on the iPhone 4S or go with something comparable to the monster 4.8-incher on the Galaxy S III, the array of silicon now available for Apple to play with means that one thing is already clear: the next iPhone will be fast as hell.

FORBES: The Next iPhone Will Be Very Fast, It Will Have To Be

For added customization, additional silicon bumpers are available in Meepadelic Purple and Meepto Pink.

ENGADGET: Oregon Scientific MEEP! tablet ships for $150, gives kids a safe, exclamation-filled place to play