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但氢气浓度超过一定值后则会增大柴油液滴碰壁的概率。
But the collision probability of the spray particle against the cylinder wall will increase when the hydrogen concentration in the air exceeds a certain limit.
在实验条件下，生物气中氢气浓度可达61%，产物中无甲烷气生成。
Under the experimental conditions, the hydrogen concentration in the biogas reached 61% without methanogenesis in the gaseous product.
通过实验研究了该传感器的氢响应特性，理论模型预测的氢气浓度与实验结果吻合。
The response of the sensor to hydrogen is measured. The analytical value is close to the experimental result.
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