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首页> 外文期刊>Journal of Corrosion Science and Engineering >(v17preprint38)Study on Corrosivity of Karachi Harbour Sea Water and its Impact on Marine Vessels Berthed at Karachi Harbour
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(v17preprint38)Study on Corrosivity of Karachi Harbour Sea Water and its Impact on Marine Vessels Berthed at Karachi Harbour

机译：（v17preprint38）卡拉奇港口海水的腐蚀性及其对停泊在卡拉奇港口的船舶的影响的研究

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摘要

This communication reports temporal trends of corrosion inducing attributes of Karachiharbour sea water. Measurements were performed for pH value, chloride ion, sulfate ionand conductivity. Karachi harbour sea water was found to be highly corrosive which may bedue to intake of industrial and municipal effluent via lyari drain, sub-tropical warm watercoast, and low turbulence due to land lock/gulf with open sea which caused slow diffusionand more residence time period for these corrosive contaminants. Study of sea watercorrosivity was followed by statistical evaluation of its effect on some selected marinevessels. As a general trend, high corrosivity of Karachi harbour sea water was found toaccelerate marine corrosion. A strong corrosive attack was detected at those locationswhere vessels preservation methods were weaken.
机译：该通报报道了卡拉奇港海水腐蚀的时间趋势。进行pH值，氯离子，硫酸根离子和电导率的测量。卡拉奇港口的海水被发现具有高度腐蚀性，可能是由于通过lyari排水，亚热带温水海岸吸收工业和城市污水而造成的，并且由于陆地锁定/海湾和开阔的海水引起的湍流低，导致扩散缓慢和停留时间更长这些腐蚀性污染物。在研究海水腐蚀性之后，对其对某些选定的海洋容器的影响进行统计评估。作为一般趋势，发现卡拉奇港口海水的高腐蚀性会加速海洋腐蚀。在那些船只保存方法被削弱的地方发现了强烈的腐蚀作用。

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