In order to shorten test time, a forced drying method is adopted in preparing sample so as to measure gloss and colour of self-curing paint film at ambient temperature.
为缩短检验时间，采用强制干燥方法制备样板，对需要常温自干漆膜的光泽和色泽进行测定。
The calculation method on evacuation time for drying of long-distance pipeline at the state of water free is analyzed. The calculation equations are given and identified by field test.
分析了长输管道在无水状态下利用真空设备抽空所需时间的计算方法，给出了计算公式，并通过现场试验对其进行了验证。
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