The spectra analysis showed that porous silicon is the material with nano crystal structure, and photoluminescence of PS can be explained by the model of quantum restriction effect.

对不同实验条件下所得到的多孔硅的拉曼光谱进行了分析，确认了多孔硅是具有纳米晶结构特征的材料，肯定了量子限制效应在多孔硅光致发光中的作用。

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Combining the engineering example of Klnbrein Arch Dam 200 m high in Austria, aimed at restriction effect between foundation and arch dam, the 3-D finite element analysis has been carried out.

结合科恩布赖茵拱坝的工程实例，就基础对拱坝坝体的约束效应进行了三维有限元分析，发现施工时预留的陡坎对拱坝坝体应力影响显著，同时建议拱坝施工时地基开挖成概化的地基界面。

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Since 97 percent of doctors treat at least some Medicare patients, the restriction had the effect of killing Medicare private contracting.

FORBES: An Important Step Toward Medicare Reform

Monday's ruling came just hours before the restriction was to take effect, handing a victory to the beverage industry, restaurants and other business groups that called the rule unfair and wrong-headed.

WSJ: Mayor vows to press on after NYC soda rule nixed

Apple also forced Synaptics to take its logo off its circuit boards and forbade it to discuss the relationship in public or with other customers--a restriction that remains in effect even today.

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