Overall, this means that a greater volume of hydrogen is needed to power a car, compared with petrol.
总而言之，这意味着相对于汽油来说，有更多的声音希望用氢来作为汽车的动力。
2
The researchers observed the difference between having 10 mice imbibing water with a high volume of dissolved hydrogen and 10 drinking normal water.
研究人员发现10只饮用溶解有高浓度氢的水的老鼠同另10只喝普通水的老鼠之间存在差异。
3
In this paper, the stratigraohic volume density and hydrogen index gained from the information of density-neutron logging are respectively compared with both the low-limit values of gas formation.