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经过多次室内实验研究,确定使用加降凝剂的方法可以保证津华线低输量期间运行的安全,并对药剂类型、加剂量和热处理温度进行了研究.经过现场试验与室内实验的比对,确定了加剂效果.“,”Based on the results of many laboratory experiments,the application of pour-point depressant in Jinhua pipeline can guarantee the security operation at low flowrate.The influence of the types and dosage of pour-point depressant and the heat treatment temperature is studied.Through the comparison between the field experiment and the laboratory experiment,the effect of pour-point depressant is determined.