| 摘要 |
The present invention provides the following: a working medium for use in a heat cycle, said working medium allowing a heat-cycle system with excellent cycle performance (efficiency and capacity) and having little impact on the ozone layer and global warming; and a heat-cycle system with excellent cycle performance (efficiency and capacity). A working medium containing 1,2-difluoroethylene is used in a heat-cycle system (a Rankine-cycle system, a heat-pump cycle system, a refrigeration cycle system (10), a heat-transport system, or the like). |
