The model 625 analyser is designed to monitor the dissolved oxygen concentration in boiler feed-water and other aqueous solution . 625型分析仪用来监视锅炉进水和其它水溶液中溶解氧的浓度。
Emission on nox in high temperature combustion with low oxygen concentration 高温低氧燃烧条件下氮氧化物的生成特性
Oxygen concentration monitor 氧气浓度监控器
Effects of oxygen concentration on the smoking property of fire - retardant treated wood 氧浓度对阻燃木材发烟性能的影响
They are found in mud and water and can withstand low oxygen concentrations 螺旋菌可以抵挡低氧浓度因此能够在淤泥或水中生存。