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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Carry out regular leakage tests on concealed piping and check for overflowing tanks, waste, worn tap washers and other defects in the water supply system.

定期检查隐蔽水管，以防漏损，检查内部供水系统，修理有毛病的水箱、水头及其他的供水设施。

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The endocrine disrupting functions of 4 natural and synthetical estrogens, 4 phytoestrogens, 14 phenols widely used in the tap water supply system were detected using yeast two-hybrid technique.

利用酵母双杂交系统对4种天然和合成的雌激素，4种植物性激素以及14种常用于自来水供水系统中的酚类物质进行了内分泌干扰作用的筛检测定。

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