... phase velocity 相速率 phase transition of vacuum 真空相变 phase transition of the second kind 第二类相变 ...
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利用新型复合工质对真空相变供热系统进行了热效率、启动特性、等温特性的实验研究。
An experimental research has been taken on heat efficiency, startup behavior, isothermal characteristics of a vacuum phase change heating system using a new kind of compound working medium.
采用纯度为98%的正21烷（C21H44）作为相变材料（PCM），通过抽真空灌注的方法将其灌注到泡沫铜内部，封装并作绝热处理后作为试验件。
The 98% pure Heneicosane(C21H44) was used as the phase change material(PCM), and it was filled in the copper foam through a vacuuming procedure.
利用金属蒸汽真空弧（MEVVA）源所产生的强束流离子注入铝研究了相变、增强扩散和钇铝合金的形成条件。
Phase transition, enhanced diffusion and Y-Al alloy formation are studied using Y implantation with high current extracted from metal vapor vacuum arc (MEVVA) ion source.
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