| 1. | Two - stage compression cycle for water heaters in air source heat pumps 空气源热泵热水器双级压缩循环研究 |
| 2. | Compound stage compression 复级压缩 |
| 3. | Single stage compression 单级压缩 |
| 4. | Two stage compression 二级压缩 |
| 5. | Comparison on performances of cascade heat pump and two - stage compression heat pump for freeze - dryer 23自动复叠制冷循环的特性研究 |
| 6. | Research on two - stage compression variable frequency air source heat pump in cold regions 用于寒冷地区双级压缩变频空气源热泵的研究 |
| 7. | Difference in comprehensive performance of split compression between two - stage and single - stage compression 斜盘压缩机两级压缩与单级压缩综合性能比较 |
| 8. | Formula for refrigerating capacity of two - stage compression refrigeration cycle based on piston displacement of high pressure stage 基于高压级活塞排量的双级压缩制冷循环制冷量计算式 |
| 9. | The quasi two - stage compression heat pump system with economizer can effectively improve the deficiencies of conventional air - source heat pump when running in low ambient temperature 带经济器准二级压缩热泵系统可以很好地解决空气源热泵低温适应性问题。 |
| 10. | It shows that the quasi two - stage compression heat pump system coupled with ejector can make use of energy more effectively , which proves that the point of the task is correct . this study will quicken the development of heat pump industries , expand the 本课题的研究有助于加快热泵行业的发展,扩大空气源热泵使用的地域范围,提高寒冷地区冬季采暖的能源利用效率,满足能源可持续发展的要求。 |