The dowtherm design depends on the characteristics of dowtherm and polyamide production process.
必须根据导生的特性及聚酰胺生产的工艺特点，选择合理的设计方案。
The new method of dowtherm supplement in spin beam was discussed, during the spinning without lowing temperature of spin beam and fiber properties.
探索在纺丝箱不降温、正常纺丝、工业丝物性不受影响的情况下，对纺丝箱补加联苯的新方法。
Objective To study injury of liver and kidney among the workers exposed to terephthalic acid(TPA), ethylene glycol(EG) and(or) dowtherm A(DOW), and research for early biological monitoring indexes.
目的研究对苯二甲酸（TPA）、乙二醇（EG）、联苯-联苯醚（DOW ）对职业人群肝肾损伤的影响，寻找作业工人健康监护的早期指标。
Objective To study injury of liver and kidney among the workers exposed to terephthalic acid(TPA), ethylene glycol(EG) and(or) dowtherm A(DOW), and research for early biological monitoring indexes.
目的研究对苯二甲酸（TPA）、乙二醇（EG）、联苯-联苯醚（DOW ）对职业人群肝肾损伤的影响，寻找作业工人健康监护的早期指标。
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