Increasing oxygen in order to maintain the higher dissolved oxygen (DO) concentration in the water body is one of the main adjusting measures in this farming mode.
通过向养殖水体充氧，从而使水体中维持较高浓度的溶解氧，是该养殖模式水质管理的主要调控措施之一。
Finally, in view of the complexity of sewage treatment, select the dissolved oxygen (DO) of aeration process as the research object of control algorithm.
最后，针对污水处理的动态复杂性，选择曝气过程的溶解氧浓度作为研究对象进行了控制算法的研究。
The result of experiment shows that sludge bulking will take place at any level of organic loading as long as the value of dissolved oxygen(DO) changes correspondingly.
实验结果表明，在低、中、高负荷时，只要溶解氧发生变化，均有可能发生膨胀。
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