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maximum theoretical efficiency造句

"maximum theoretical efficiency"是什么意思   

例句與造句

  1. The maximum theoretical efficiency of a fuel cell is the inverse of that of electrolysis.
  2. Traditional single-junction cells have a maximum theoretical efficiency of 33.16 %.
  3. The difference in maximum theoretical efficiency however is negligibly small, except for tiny bandgaps below 200meV .)
  4. Class B has a maximum theoretical efficiency of ? / 4 ( H " 78.5 % ).
  5. It was during this time that he and Shockley calculated the maximum theoretical efficiency of silicon solar cells to be around 31 %.
  6. It's difficult to find maximum theoretical efficiency in a sentence. 用maximum theoretical efficiency造句挺難的
  7. The maximum theoretical efficiency is equivalent to the Carnot cycle, however the efficiency of real engines is less than this value because of friction and other losses.
  8. For example, the maximum theoretical efficiency of an SOFC using CO as a fuel increases from 63 % at 900 癈 to 81 % at 350 癈.
  9. This low percentage is, nevertheless, close to the maximum theoretical efficiency that can be achieved by an organism equipped with cilia as short as those of " Paramecium ."
  10. The maximum theoretical efficiency is 37, 50, 56, 72 % for 1, 2, 3, 36 pn junctions, respectively, with the number of junctions increasing exponentially to achieve equal effiency increments.
  11. In order to calculate the maximum theoretical efficiency of a thin rotor ( of, for example, a windmill ) one imagines it to be replaced by a disc that withdraws energy from the fluid passing through it.
  12. The maximum theoretical efficiency of a heat engine ( which no engine ever attains ) is equal to the temperature difference between the hot and cold ends divided by the temperature at the hot end, all expressed in absolute temperature or kelvins.
  13. Maximum theoretical efficiency was limited by the relatively low temperature differential on either side of the piston; this meant that for a Watt engine to provide a usable amount of power, the first production engines had to be very large, and were thus expensive to build and install.
  14. The maximum theoretical efficiency of a heat engine is 1-T " c " / T " h " where T " c " is the temperature of the cold sink and T " h " is the temperature of the hot source.
  15. The maximum theoretical energy efficiency of a fuel cell is 83 %, operating at low power density and using pure hydrogen and oxygen as reactants ( assuming no heat recapture ) According to the World Energy Council, this compares with a maximum theoretical efficiency of 58 % for internal combustion engines.

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