The cause in each case is an oversensitive immune system that is reacting to harmless materials as well as to the pathogens it is supposed to be fighting.

引起这些情况的原因在于过分敏感的免疫系统，它将这些无害的物质当作它要对付的病原体一样进行反应。

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In the case of harnessing vibrations, Chandrakasan and his colleagues use piezoelectric materials, which produce an electric current when subjected to mechanical pressure.

至于在约束振动上，切卓卡山和他的同事们使用了压电体，在经受力的作用下，它可以产生电流。

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The logo will be published on the Internet, as well as in promotional materials and posters of Osaka's UBPA case.

今后，该馆标将用在大阪案例的宣传推广网页、小册子、海报以及馆内派发的宣传品上。

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To test this idea, Dr Hebets turned to her make-up bag and brought out two shades of nail varnish (NailSlicks, midnight metal and bronze ice, as her paper in the Proceedings of the National Academy of Sciences quite properly describes in its materials and methods section, in case any other researcher wishes to replicate the experiment).

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If you need more evidence that the antidumping status quo is weighted heavily against import-consuming U.S. industries, consider this gem: three of the nine mineral raw materials that are the subject of the U.S. case against China in the WTO (magnesium, silicon metal, and coke) are simultaneously subject to U.S antidumping restrictions.

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In the case of trusted parties, both the sender and recipient want the materials to self-destruct so as to prevent unauthorized parties from obtaining them.

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