WebApr 4, 2013 · 张 龙 徐红艳 董德平 (中国科学院上海技术物理研究所 上海 200083) 1 引 言. 物质的热导率是表征材料热性能的重要物理量,至今主要还是依靠实验测量获得,按照加热源与时间的变化关系可以分为稳态法和瞬态法[1]。 WebSep 27, 2024 · Cryogenics in Oil & Gas. For the application of valves in the process application, applications with operating temperature below -45 °C are considered as cryogenic, and generally goes to -196 °C. …
Cryogenic Valves - ValvTechnologies ValvTechnologies
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Cryogenic Valves Design and Engineering
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