The research and development history in the field of Auto Cascade Refrigeration Cycle is reviewed.

本文综述了国内外自动复叠式制冷技术研究发展的历史.

An experimental equipment of two - beds adsorption refrigeration cycle using calcium chloride - ammonia pair was established.

对以氯化钙 - 氨为工质对的两床吸附式循环制冷系统进行了实验研究.

Acknowledge the main factors which have influence on coefficient of performance of refrigeration cycle and the way to improve it.

了解分析影响各种制冷循环的制冷系数的主要因素及提高制冷系数的途径。

Analyzed the characteristics of the air refrigeration cycle and discussed the meaning of air refrigerating machine to energy saving in cold storage.

详细地分析了空气制冷循环的特性，论述了空气制冷机对冷藏库节能的意义，探讨了其应注意的问题及解决方法；

The thermodynamic properties of ferromagnetic substance are given and used to discuss the performance of a magnetic Stirling refrigeration cycle. Some general conclusions are obtained.

给出铁磁质的热力学性质，并由此讨论了磁斯特林制冷循环的性能，得到一些普遍的结论。

PR equation was adopted to calculate the thermodynamic properties of the refrigerants, and the available energy analysis for the vapor compression refrigeration cycle was programmed to calc…

利用PR方程计算制冷剂的热力学性质，编写了蒸气压缩制冷循环的有效能分析程序，分别对传统和新提出的冷藏冷冻箱制冷循环进行了计算。

The refrigeration cycle used by conventional air conditioning systems require the refrigerant to be maintained at a constant high pressure as it flows from the condenser into the evaporator.

一般的冷气之冷却系统的循环方式，需要将冷媒维持恒定高压由冷凝器流动到蒸发器，直到现在，这个恒压状态只能使用压缩机来维持。