high purity O2 超纯氧气
The different kinds of concentrations and times in the high O2 treatment (30% O2,50%O2,70%O2, 90%O2/10d, 20d, 30d ) were applied to the jujube fruit, with significant difference.
5．浓度和时间不同的高氧预处理（30％O2，50％O2，70％O2，90％O2／10d，20d，30d）应用于枣果的贮藏，其效果存在差异。
参考来源 - 氧分压和赤霉素处理对枣果采后生理生化变化的影响·2,447,543篇论文数据，部分数据来源于NoteExpress
O2 module is the Siemens R & D and to 90 early in their high-end breathing machine for use on the control precision is high. Security. And stability characteristics of a low failure rate.
O2模块是西门子公司90年代初期研发的并在其高档次呼吸机上使用，其控制精度高、安全、稳定故障率低的特点。
Above: SS Lug valves that were O2 cleaned for high purity gas application.
上图：不锈钢吊耳阀门，经过氧气清洗。
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