The necessary of the thermal design and evaluation of the electric products is intro duced and indicates that the thermal design reliability and the efficient thermal control of the ther mal products are the keys of improving the working reliability of products. 介绍了对电子设备进行热设计、热评估的必要性,指出对电子设备进行可靠性热设计,实施有效的热控制是提高设备工作可靠性的关键措施;
The requirements on the properties of the captioned protection material under high temperature oxidation conditions are analysed in terms of thermal conductivity and thermal dynamics in an effort to obtain excellent protection materials for efficient measurement and control of melt temperature. 本文从传热学、热力学的角度,分析了在高温氧化工况下,对材料性能的要求,探索选择优良的热电偶保护套管材料,以期有效地测量及控制熔体的温度。
In comparision with traditional thermal and medium decomposition, the supercritical fluid technique can realize quick and high efficient decomposition of waste plastics, the composition of the product can be controlled by control of conditions of decomposition reaction. 与传统的热分解方法和介质分解方法相比,超临界流体可实现塑料废弃物的快速、有效分解,通过分解反应条件的控制可以控制产物组成。