然而，这份研究却显示出慢性肺部疾病与家中的氧气使用方面，比率都提升了。
However, this study did show increased rates of chronic lung disease and home oxygen use.
还就实际工作中的氧气使用管理的注意事项、管理方法、要求，以及应急系统的应用进行了阐述。
Also, attention should be paid, management methods, requirements and emergency response system application in the usage of oxygen in practice are described.
对RH- TB真空处理设备的氧气使用工艺进行了总结，并在实践的基础上探索了合理的工艺参数。
The oxygen regulation is sum up, which is used for the RH TB vacuum treatment and the proper parameters are found out after several operational tests.
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