论述了风冷发动机冷却风扇的试验法和用无因次特性系数法制取风扇特性曲线的方法。
This paper describes the methods of fan testing and making fan property curve by dimensionless characteristic coefficient for the cooling fan of air-cooled engines.
从冷却曲线的变化规律提出应用热电偶银球探头法是一种检别磁化水的新方法。
From the cooling curves of the change rules, we have put forward application the thermocuple silver-bulb probe method which is a new method of detection of the magnetic water.
利用膨胀法，结合金相法，测定了X60不同冷却速度下连续冷却转变的膨胀曲线，获得了该钢的连续冷却转变曲线（动态CCT曲线）；
The expanding curves and continuous cooling transformation curve (dynamic CCT curve) of X60 pipeline steel were obtained by dilatometry and microscopic test under different cooling speed.
采用热膨胀法和金相法相结合测绘管线钢x 80的CCT曲线，并研究冷却速率对组织和硬度的影响规律。
The CCT curves of pipeline steel X80 were drawn by adopting dilatometer and metallographic method, and the effects of cooling rates on microstructure and hardness of the steel were studied.
采用热膨胀法和金相法相结合测绘管线钢x 80的CCT曲线，并研究冷却速率对组织和硬度的影响规律。
The CCT curves of pipeline steel X80 were drawn by adopting dilatometer and metallographic method, and the effects of cooling rates on microstructure and hardness of the steel were studied.
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