Antioxidant activity of the water-soluble extracts was stronger than that of lipid soluble. This confirmed that there were many different kinds of antioxidants with different polarity in apple.

果皮水溶性提取液清除自由基的能力比脂溶性提取液清除能力强，表明果皮中含有多种极性不同的抗氧化剂。

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The latter two sources are limited to those few areas where surface water seeps down through underground faults or fractures to reach deep rocks heated by the recent activity of molten rock material.

后两种来源局限于少数区域，在这些区域，地表水通过地下断层或断裂往下渗透，从而接触到被近期的熔岩活动加热的深层岩石。

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Scientists believe water activity affected this plateau after the formation of the nearby canyons. Although the source of water and sediment remains uncertain.

科学家相信，在附近峡谷形成之前这片高原受到过水的影响，虽然水源和泥沙的问题仍不明朗。

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"Kids really get engaged in science in the garden where it's a kind of fun activity where they're collecting data and seeing how different temperatures will change the amount of water that's needed by a crop, so the science concepts come easily."

VOA: special.2011.06.14

At this time of year, the sun rises at around 6:30am, an hour after the first ferries leave the wharf, so there's plenty of activity on the water.

CNN: 24 hours in Sydney: Cocktails, scenic walks ... and sharks?

Previous sites explored by the rover are thought to have been shaped by the activity of acidic water, which would pose a more challenging proposition for any simple microbes that might have evolved on the early Mars.

BBC: Opportunity and Curiosity find similar rocks on Mars

The project has been carried out during the 2008-2009 and 2009-2010 school years and was aimed at all teachers open to participating in a creative activity on the theme of water and science with their Primary or early Secondary school classes.

UNESCO: Natural Sciences