The single stage and two stage SBR systems were investigated for treating high concentrated cattle farm wastewater and the performances were compared in terms of the removal efficiencies of carbon, solids and nitrogen.
对单级和两级序批式反应器 (SBR)用于牛场高浓度有机污水的处理进行了试验研究 ,对其污水处理性能进行了比较。
this paper concentrates on the hardware testing of two stage refrigeration system of automotive air condition, and demonstrates the gain in system capacity and efficiency of two stage refrigeration system.
介绍了对两级制冷系统所进行的试验测试,并对试验数据进行了分析,结果表明两级制冷系统在效率及制冷能力方面均优于常规制冷系统。