| 摘要 |
<p>A refrigerant composition which comprises (1) at least one ingredient selected between difluoromethane and 1,1-difluoroethane and (2) at least one ingredient selected among ethane, nitrous oxide, ammonia, and dimethyl ether. The composition has little fear of ozonosphere depletion, is reduced in exertion of an adverse influence on global warming, and has a satisfactory coefficient of performance.</p> |
