With addition of 12%acetic acid in the alkali-oxygen oxidation stage of two-stage method,the yield of BPCA to coal is 37.17%（daf to coal）,about more than 34.19%of that One-stage method.
在两段氧化的碱-氧氧化阶段加入12%的乙酸促进剂,苯多羧酸对煤的产率为37.17%(daf),比原煤相对提高34.19%。
参考来源 - 无烟煤两段氧化及产物异构化制对苯二甲酸·2,447,543篇论文数据，部分数据来源于NoteExpress
当水蒸气温度较高、流量较小时出现慢速氧化阶段。
Linear stage of slow oxidation takes place at the high temperature and small flow of water vapor.
它可以初步分为始氧化膜形成阶段、微弧诱发阶段和平衡氧化阶段。
There are distinct periods in the process of microarc oxidation which could be preliminarily divided into three periods: primary ceramic film formation, microarc induction and oxidation balance.
用声发射(AE)技术对氧化膜在恒温氧化阶段和随后空冷阶段的开裂与剥落信号进行了实时监测。
Acoustic emission (AE) technique is used in situ to monitor the cracking and spalling of oxide films in isothermal oxidizing stage and air-cooling stage.
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