pour point depressant造句

• Development of pour point depressant of waxy crude
  高蜡原油降凝剂发展概况
• Evaluation of the effect of pour point depressant in daqing crude oil field
  大庆原油降凝剂效果评价
• The synthesis and effect of pour point depressant to diesel engine oil
  柴油机油降凝剂的合成及其效果
• Influence of pour point depressant for crystal configuration of diesel oil
  降凝剂对柴油中蜡晶结晶形态的影响
• Synthesis and application of a new style crude oil pour point depressant
  一种含氮聚合物原油降凝剂的合成及应用
• A pour point depressant ( ppd ) for improving the cold fluidity of diesel oils was studied
  摘要对柴油降凝剂进行了研究，降凝剂为苯乙烯、顺丁烯二酸酐及正十八胺三元共聚物。