According to America's National Renewable Energy Laboratory, producing a kilogram of hydrogen by steam reformation generates emissions equivalent to 11.9kg of CO2.
根据美国国家可再生能源实验室的数据，通过蒸汽重组得到一千克氢造成相当于11.9千克的二氧化碳排放。
2
In all ships in which a heating system is required, the heating should be by means of hot water, warm air, electricity, steam or equivalent.
在所有要求配备供暖系统的船上，可用热水、热气、电力、蒸汽或等效方式供暖。
3
The result shows that the error of thermodynamics method and steam turbine theory method are very big except the equivalent enthalpy drop method.