导热油氧化安定性评价方法中存在的问题及改进

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现有导热油氧化安定性评价方法存在许多问题,如控温方式、试验环境及样品摆放位置等以上试验条件对评价结果影响较大,同时试验过程中产生的油蒸汽对试验环境污染较为严重,不利于实验人员的职业安全健康。通过采用密封式样品杯、样品温度监测及气流控制等方式对现有方法及设备进行改造,能较好地评价导热油氧化安定性同时极大地改善试验环境。
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