Objective To explore the effect of different degrees of denitrogenation on decompression sickness.
目的探讨不同时间的吸氧排氮方案对高空减压病的预防效果。
The basic principles, current situation and trend of urban sewage biological denitrogenation are introduced.
本文介绍了城市污水生物脱氮的基本原理，研究现状和进展。
Denitrogenation experiments towards Daqing third vacuum dewaxing distillate were carried out with TTS denitrogenation agent.
采用TTS脱氮剂对大庆减三线脱蜡油进行脱氮实验，考察增加脱氮工艺对油品质量的影响。
It is found that slags decrease the rate of vacuum denitrogenation and vacuum argon blowing decreases the denitrogenation resistance of slags.
结果表明，熔渣降低真空脱氮速率，底吹氩能减少熔渣对真空脱氮的阻力。
The research of furfural refining adding denitrogenation agents by the method of combining physical extraction and chemical reaction has been done.
在糠醛精制过程中添加脱氮组分，采用物理抽提与化学反应相结合的方法对模拟基础油进行脱碱氮研究。
Result it was found that the risk of decompression sickness initially increases up to a certain time point, and then decreases because of denitrogenation.
结果减压病危险度先是增加，到一定时间后，再因吸氧排氮而减少。
Vacuum denitrogenation and bubble carrying denitrogenation are mainly influenced by vacuum, argon stirring, oxygen and sulphur concentrations in liquid metal.
真空度、氢气搅拌和金属液中氧、硫浓度是影响真空脱氮和气泡携带法脱氮的主要因素。
It is feasible that the urban recycled water can be reused as circulating cooling water, after it has been subjected to the advanced denitrogenation treatment.
城市中水经深度脱氮处理后回用作电厂循环冷却水补水是可行的。
This review summarizes applications of ILS in extractions of metal ions, organic compounds, bio-molecules, desulfurization or denitrogenation from fuels and gases and so on.
本文综述离子液体萃取金属离子、有机化合物、 生物分子，脱硫，脱氮及气体分离等的最近研究进展。
The invention relates to a composite catalyst with high effective denitrogenation performance and a preparation method thereof, belonging to the field of air pollution control.
本发明涉及一种具有高效脱氮性能的复合催化剂及制备方法，属于大气污染控制领域。
Biological denitrogenation technology, which removes more nitrogen from the original average processing by rate of 2% ammoniac nitrogen is narrated in aspects of theory, equipment and processes.
从原理、设备与流程等方面叙述了生物脱氮技术，使原来平均处理率仅为2%的氨氮得到了较为满意的效果。
Denitrogenation experiments towards Daqing third vacuum dewaxing distillate were carried out with TTS denitrogenation agent. The effect of denitrogenation technology on product quality was examined.
采用TTS脱氮剂对大庆减三线脱蜡油进行脱氮实验，考察增加脱氮工艺对油品质量的影响。
Denitrogenation experiments towards Daqing third vacuum dewaxing distillate were carried out with TTS denitrogenation agent. The effect of denitrogenation technology on product quality was examined.
采用TTS脱氮剂对大庆减三线脱蜡油进行脱氮实验，考察增加脱氮工艺对油品质量的影响。
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