The process of heat treating is the method by which metals are heated and cooled in a series of specific operations that never allow the metal to reach the molten state.
金属热处理过程其实是一系列具体的操作，通过这些操作加热与冷却金属，但加热时进行控制，使得金属不达到熔融的状态。
So this paper combined with road network traffic characteristics, use the road network delay per unit distance which physical meaning was specific as the state of network traffic evaluation method.
本文结合实际路网交通特征，选择路网单位里程延误这一物理意义较为明确的指标，作为路网交通状态的评价方法。
The feasibility of using quasi-steady state method for the measurements of effective thermal conductivity and specific heat of nanoparticle suspension is discussed theoretically and experimentally.
理论和实验分析了运用准稳态法测量纳米颗粒悬浮液有效导热系数和比热容等热物性的可行性。
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