每年化石燃料燃烧产生并排放到大气中的碳排放,有18%被热带森林吸收了,大大减缓了碳排放的增加速率。
Tropical forest trees are absorbing about 18% of the carbon dioxide added to the atmosphere each year from burning fossil fuels, substantially buffering the rate of change.
无可否认,这仅仅是人类燃烧化石类燃料向大气层中排放速率的三分之一,但它的确有利于减缓全球变暖的进程。
Admittedly that is only a third of the rate at which humanity dumps the stuff into the atmosphere by burning fossil fuels, but it certainly helps to slow down global warming.
文中还给出了燃料总蒸发速率和单位长度上的蒸发速率随该发动机燃烧室轴向距离变化的曲线。
Curves of total vaporization rate of fuel and vaporization rate per unit length as functions of the axial distance of combustor for given rocket engine are also presented.
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