hydrogen loss per iodine value [油脂] 碘价氢耗比
The value of the critical density is very small: it corresponds to roughly 6 hydrogen atoms per cubic meter, an astonishingly good vacuum by terrestrial standards!
临界密度的值非常小：它相当于每立方米约6个氢原子，从地球上的标准来看这简直是真空！
Hydrogen is added to the air mixture, causing it to burn easily and powerfully while the oxygen increases the octane value of the fuel.
氢气被添加到混合空气中，可使其既容易又很强力燃烧，而氧气会增加燃油的辛烷值。
Significant deviations have occurred between our hydrogen value and the market value when the hydrogen demand is very brisk and price is rising at the petrochemical market.
在石化市场需求旺盛，价格上涨之时，我们的氢气价值和市场价值发生了很大的偏离。
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