Sludge density index (SDI) of effluent treated by improved formula is below 5.0, and it would meet the quality requirement of the influent of following reverse osmosis unit.
经改进配方，处理的排污水的污泥密度指数(SDI)小于5.0，能够满足后续反渗透单元的进水要求。
Two methods determining the sludge volume index under diluting sludge concentration and practical sludge concentration are analysed and compared.
同时，对在稀释浓度和实际浓度条件下测定污泥指数的两种方法进行了分析比较。
The specific gas production activity of anaerobic sludge is an important index in anaerobic wastewater treatment.
厌氧污泥的产气活性是厌氧废水处理中的一个重要指标。
Sludge water content has been detected as the index to indicate the effect of ultrasonic and composite flocculants on the residual activated sludge in petrochemical water treatment plants.
以污泥含水率为考察指标，研究了超声波-复合絮凝剂对石化厂剩余污泥脱水效果的影响。
This study indicated that FISH technique should be used in explaining the bacteria phase of highly concentrated anaerobic degraded sludge as an index for operation control of the treating system.
研究表明，FISH法可用于高浓度厌氧消化污泥的菌相解析，作为处理系统运行管理指标使用。
The physical-mechanical property index of the sludge type soil in Qiqihar city area is counted and analysesed in this paper.
文章对齐齐哈尔城区淤泥类土的物理力学指标进行了统计与分析，提出了齐齐哈尔城区淤泥类土的物理力学指标的特征值。
Based on principle of reverse osmosis and used microcomputer 89c52 as controller, an automatic detection instrument of sludge density index (SDI) of water pollution is designed.
基于反渗透原理，以89c52单片机为控制器，设计了水污染指数中的淤积密度指数(SDI)的自动在线测试装置。
The comprehensive accumulative index of nutrient elements was about 35% in the substrate sludge.
底质中营养元素综合累积指数在35%左右。
The paper explains the operation process and the index requirements for activated sludge process. The conclusion is that only by controlling index perfectly can good results of treatment be obtained.
本文就有关操作情况以及活性污泥法的指标要求进行了论述，结论是只有控制好指标才能取得良好的处理效果。
The paper explains the operation process and the index requirements for activated sludge process. The conclusion is that only by controlling index perfectly can good results of treatment be obtained.
本文就有关操作情况以及活性污泥法的指标要求进行了论述，结论是只有控制好指标才能取得良好的处理效果。
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