当有催化剂存在时氢压对转化率的影响比无催化剂时显著。
The influence of hydrogen pressure on liquefaction is more significant in the presence of catalyst.
Spowers说：“燃料载荷也不需要很大，也就1kg(2.2磅)液态氢(26公升，常压)足够形势300公里了。”
The fuel payload need not be huge, either: just 1 kg (2.2 lb) of liquid hydrogen (26 litres at normal pressure) is enough to take the car 300 kilometres, says Spowers.
进而引入细胞代谢最小能量子概念，对理论氢分压进行修正，得出沼气发酵适宜的理论氢分压范围和最佳氢分压。
It also introduces the concept of the minimal energy units in the metabolism, revises theoretic partial hydrogen pressure, gains its suitable scope and the optimal value.
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