从研究方法、缓蚀作用和促进作用、浓度极值现象、 加速渗H作用、吸附类型及作用机理等方面综述了国内外对硫脲及其衍生物缓蚀行为的研究 进展.硫脲及其衍生物作为吸附型酸洗缓蚀剂，材料、介质、温度、缓蚀剂浓度等因素对其 作用行为有较大影响.
The present situation of research about inhibition b ehaviour of thiourea and its derivatives as acid pickling inhibitor was summari zed. The aspects investigated include that the research methods,inhibition and a ccelerative action,maxima of inhibitive efficiency,hydrogen penetration and mech anisms and so on.There are several factors such as the temperature , material, solution, concentration of inhibitor affect the inhibition behaviour of thioure a and its derivatives.
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