| 1. | Analysis of primary energy ratio for gas engine - driven heat pump
燃气机热泵一次能源利用率的分析 |
| 2. | There is 800 million tec different of energy demand in 2020 because of different policy option
采取不同的政策，将导致2020年的一次能源需求仍可能有约8亿吨标准煤的巨大差异。 |
| 3. | The results show , when heating , the primary energy ratio of gehp is 1 . 76 and exergy efficiency is 29 . 12 %
结果表明：燃气机热泵在供热时的一次能源利用率为1 . 76 ， (火用)效率为29 . 12 。 |
| 4. | According to chinese energy policy , coal is the primary energy source of china , which wo n ' t change for a long time
根据我国的能源政策，在相当长时期内，以煤炭为主要一次能源的状况不会发生大的变化。 |
| 5. | According to chinese energy policy , coal is the primary energy source of china , which wo n ' t change for a long time
根据中国的能源政策，在相当长时期内，以煤炭为主要一次能源的状况不会发生大的变化。 |
| 6. | Energy research and development has actually collapsed since the aftermath of the last energy crisis in the 1970s
作为上世纪七十年代期间上一次能源危机的后果以来，能源领域的研究与开发实际上已经崩溃了。 |
| 7. | The international energy agency predicts a rise of more than 50 per cent in primary energy demand in the next twenty five years
国际能源署预计在下二十五年内一次能源的需求将增长50 。数以亿计的人将面临温饱问题。 |
| 8. | As one of important devices that transformed the crude resource into quadric resource , the boiler ' s working status affects the using rate of resource directly
锅炉作为将一次能源转化为二次能源的重要设备之一，其工作情况的好坏直接影响到能源利用率的高低。 |
| 9. | Coal has a very important place in the world energy sources . 30 percent of the world primary energy sources consumption comes from it . as to china , the percentage is 70 percent
煤炭在世界能源中占有重要的地位，世界一次能源消耗约30 %来自煤炭，中国一次能源消耗约70 %来自煤炭。 |
| 10. | Firstly , this paper considers the interaction among factors , which may have effect on the solar cell power output , the solar cell output power every hour is simulated in time sequence
首先研究了各种影响太阳一次能源变化的因素，考虑因素之间的相互作用，采用按时间序贯仿真各小时太阳电池的出力。 |
