探讨空气加压舱舱内氧浓度的控制。
To explore the control method of oxygen concentration in the atmosphere compression chamber.
反应速率受试样中氧浓度梯度的限制。
The reaction rate is limited by the concentration gradient of oxygen in the sample.
反应速率受试样中氧浓度梯度的限制。
反应速率受试样中氧浓度梯度的限制。
好氧区溶解氧浓度对反应器处理效果影响的研究。
Study in the effect of the dissolve oxygen concentration in aerobic zone on the reactor.
氧浓度超过23%增加了暴露于其中的人员和材料的危险。
Oxygen concentrations in excess of 23% increase the hazard exposure to personnel and material.
空气中负氧离子浓度是空气清新与否的标志。
The air negative oxygen ion concentration is the sign of fresh air or not.
空气中负氧离子浓度是空气清新与否的标志。
The air negative oxygen ion concentration is the sign of fresh air or not.
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