The bugs which eat oil use oxygen to do so, so slightly lower levels would be a good indicator that they are at work.
菌类在嗜油的时候需要氧气，因此，微小的含氧水平下降就表明菌类正在嗜油。
The mass concentration of oxygen in condensate is an important indicator to show the condensate quality, and it has great influence on thermal circulation of steam turbines.
凝结水中氧的质量浓度高低是显示凝结水水质的重要指标，对汽轮机的热力循环影响很大。
Monitoring lactate levels is, therefore, a good indicator of the balance between tissue oxygen demand and utilization and is useful when studying cellular and animal physiology.
因此乳酸浓度的监测是组织内氧需求与利用平衡的良好指标。同时对细胞和动物生理学研究也很重要。
Chemical Oxygen Demand, widely used as an indicator to identify the characters of wastewater, could be disturbed by hydrogen peroxide.
化学需氧量(CODcr)作为废水性质的一个重要指标被广泛地应用，会受到无机物质双氧水的干扰。
As an important human physiological indicator, oxygen parameters of brain tissue can be used to test and evaluate human brain function and related functions.
作为重要的人体生理指标，脑组织的血氧参数可以用于人体大脑功能的测试和相关功能的评估。
The consumption rate of oxygen can be used as an indicator of maturity of composting.
氧气的消耗速率可以作为判断堆肥稳定性的依据。
Chemical oxygen demand (COD) is a synthetical indicator which represents the degree of organic pollution in water.
化学需氧量(COD)是表征水体中有机物污染程度的一个综合性指标。
A glass tube containing catalyst 401 which is used as a color indicator for trace amount of oxygen was connected with the sample tube to monitor the purity of carrier gas during operation.
为了检测载气的纯度，在样品管进口直接连接装有变色的401型脱氧催化剂的检测管。
A glass tube containing catalyst 401 which is used as a color indicator for trace amount of oxygen was connected with the sample tube to monitor the purity of carrier gas during operation.
为了检测载气的纯度，在样品管进口直接连接装有变色的401型脱氧催化剂的检测管。
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