The ultraviolet absorption peak narrows, absorption intensity increases, the absorption margin becomes steep and moves to longer wavelength, the optical band gap decreases as well.

紫外吸收峰变窄，强度增加，吸收边变得陡峭并向长波方向移动，光学带隙降低。

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We expect that by the second quarter 2011, steel prices will peak at a level that will allow steel mills in 2011 to only generate a 'fair' profit margin.

我们预期到2011年第二季度，钢铁价格会达到一个峰值，让钢铁厂商在2011年获得“合理”的利润率。

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"Higher prices at peak times might make a difference to demand at the margin but would for the most part be a tax on commuters who have no effective choice over how or when they travel, " the MPs said.

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While still the No. 1 show by a sizable margin, Idol viewership has been shrinking since its peak in 2005, when it averaged 30 million weekly viewers.

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Which is what leads to our interesting problem: the margin for error, the gap between the entire system working at full output and potential peak demand is going to be only 4% of that peak demand.

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