The General Administration of Quality Supervision, Inspection and Quarantine (QSIQ) said milk in liquid form by three leading Chinese dairies has been found to be contaminated with melamine Friday.
国家质检总局周五透露，中国三大主要奶制品公司所生产的液态奶中也被发现含有三聚氰胺。
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As the marangoni effect is easily masked by the presence of a small amount of surface active impurities, it should first be tested whether the experimental gas-liquid system is contaminated or not.