And has analyzed Dynamic parameters of four coals combustion for different density of oxygen.
并分析了不同氧气浓度下四种煤燃烧反应的动力学参数。
参考来源 - 富氧条件下煤燃烧特性的热重法实验研究And the oxygen concentration on the two ullage volume under the condition that the pressure is changing and fuel depletion was tested.
降压过程和燃油消耗条件下,使用富氮气体冲刷条件下氧气浓度。
参考来源 - 飞机燃油箱氮气惰化系统性能研究·2,447,543篇论文数据，部分数据来源于NoteExpress
它还安装有测量海水中盐度，温度和氧气浓度的设备。
It also was fitted with devices that measured salinity, temperature and oxygen concentrations in the sea water.
随着氧气浓度降低，海洋动物无法生存，因而大量动物灭绝。
With dwindling oxygen levels, Marine animals were unable to survive, wiping out large chunks of their population.
但当氧气浓度下降到缺氧的水平，这些水域就会增加一氧化二氮的生成。
But at oxygen concentrations decrease to hypoxic levels, these waters can increase their production of N2O.
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