... total effective demand 有效总需求 total emissivity measurement 总发射率测量 total emitter current 发射极的总电流 ...
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The measurement of the total emissivity of a solid surface in the black cavity which is immersed in liquid nitrogen and under high vacuum (10-6 torr) by steady caloric method is described.
本文提出了一个真空度为10~（-6）毫米汞柱，黑体腔四周浸泡在液氮中的固体的表面热辐射率的测定方法。
It can be used not only for the on-line measurement of total heat flow but also for the simultaneous measurements of true temperature and emissivity.
用它不仅可以在线测量表面的全热流，而且还可同时测出被测表面的真实温度和发射率。
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