The concentration front transport distance of and the maximum value of concentration increased with increased time in the process of water supply.

供水入渗过程中，浓度锋运移距离和浓度最大值均随时间的延长而增大；

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View the automatic shows of the system to learn the process of urban water supply and sewage treatment.

观看系统自动演示，了解城市供水与污水处理的流程。

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Endocrine disrupting compounds in tap water mainly stem from the pollution of raw water for water supply, concrete tank and lining of still pipe in water supply system, and chlorination process.

残留在自来水中的内分泌干扰物质的来源主要包括水源污染，配水管网及这些化合物质在氯消毒过程中的副产物。

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Local residents have expressed concern that the process - known as fracking - could lead to the contamination of the water supply.

BBC: Keynsham fracking plans put on hold by UK Methane

We constantly underestimate the role of wetlands as basic water management elements within the supply and regulation process upon which humanity depends.

UNESCO: MEDIA SERVICES