View on the Corrostion and perforation of Liquefier, analyse the reason , consider that the water contain in chlorine has overproofed , the raise the preventive measure.

从氯气液化器腐蚀穿孔现象着眼，分析原因，认为主要是因为氯气中含水量超标，提出防范措施。

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09052104 Researchers have shown that potatoes irrigated with arsenic-rich water contain this element at levels up to 35 times higher than crops on which this water was not used.

研究人员发现，用含砷量高的水灌溉出来的马铃薯，其含砷量可达到不含砷水种养出来的马铃薯的35倍。

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In addition, water heated geothermally can contain salts and toxic materials dissolved from the hot rock.

此外，地热加热的水可能含有从热岩石中溶解出来的盐和有毒物质。

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Most of the11 lakes contain cold water fisheries like trout as well as bass and other warm water fishing.

VOA: special.2009.01.05

They say passengers who sit for hours need to drink plenty of water not liquids that contain alcohol or caffeine.

VOA: special.2009.07.14

Water from floods may contain animal and human waste.

VOA: special.2010.07.19

One 11 ounce coconut water can contain up to 60 calories, so moderation is encouraged.

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Janssen says that other common household items like plastic baby bottles and water filter pitchers contain bisphenol A, a chemical that mimics estrogen and has been linked in animals to infertility, enlarged prostates, abnormal chromosomes, obesity and insulin resistance, a precursor to diabetes.

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On it's own, oil is not magnetic, but MIT researchers say that when mixed with water-repellent nanoparticles that contain iron, the oil can be magnetically separated from the water.

CNN: Cleaning up oil spills with magnets and nanotechnology