求翻译：氣體的組成比例也是重要參數之一，David等學者指出，進氣氫氣氣體組成比例過低時，其滲透率會低於單一氣體滲透的值，但隨著氫氣氣體組成比例的提升，其滲透速率則會呈現一趨近單一氣體滲透率的平滑穩定曲線[9]是什么意思？

The gas composition ratio is one of the important parameters, david scholars have pointed out, the ratio of hydrogen gas intake is too low, the penetration rate will be lower than the value of the single gas permeation, but with the hydrogen gas proportion to enhance its penetration rate it will smo

The proportion of gas is also important parameters, such as David scholars point out that the gas hydrogen gas low representation of the penetration rate will be lower than single gas permeability value, but with the proportion of hydrogen gas upgrade, the infiltration rate will become a converging

The gas composition proportion also is one of important parameters, scholars and so on David pointed out, when the air admission hydrogen gas composition proportion excessively is low, its penetration coefficient can be lower than the sole gas seepage the value, but along with the hydrogen gas compo

Gas composition is one of the important parameters, scholars such as David noted that intake hydrogen gas ratio too low, its penetration rate will be lower than the single gas permeability value, but with the promotion of hydrogen gas composition, its penetration rate is rendering an approaching sin

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