Most species prefer a micro-aerobic atmosphere (containing 3-10% oxygen) for growth.
多数菌种喜欢微氧生长环境（含3-10％的氧气）。
The paper analyzed the design defect of Model 2550 micro oxygen analyzer, introduced the modification solution and design principle and attention rule.
分析了原2550型微量氧分析仪采样系统设计缺陷，阐述改造方案和设计原理及使用注意事项。
It is found that the shallow donor levels produced by high dose neutron irradiation are caused by Si-O-C complex compound associated with oxygen carbon and micro-precipitation of oxygen.
发现由于大剂量中子辐照而产生的浅施主是与氧、碳及氧的微沉淀有关的硅-氧-碳络合物。
The analysis method was introduced for micro-oxygen in nitrogen calibration gases in this paper, at the same time we have definited the suitable analysis conditions and precision.
介绍了氮中微量氧标准气体在研究过程中稀释气体高纯氮中氧分析不确定度的评价依据，给出了评价过程和结果。
The analysis method was introduced for micro-oxygen in nitrogen calibration gases in this paper, at the same time we have definited the suitable analysis conditions and precision.
介绍了氮中微量氧标准气体在研究过程中稀释气体高纯氮中氧分析不确定度的评价依据，给出了评价过程和结果。
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