Based on the experiment of biofilm A/O process, the feasibility of brief-nitrification in attached microorganism system is studied.
基于菌膜厌氧好氧工艺法流程试验，对附着微生物简短硝化的可行性进行了研究。
Based on the modern educational theories and teaching practice of physical experiment, the double educational functions of explorative physical experiment are studied.
利用现代教育理论，结合物理实验的教学实际，探讨和研究了探索性物理实验的双重教育功能。
With field experiment and based on corresponding meteorological data, this paper studied the quality performance and climatic indexes of warm and cool season grass species in Beijing.
利用田间试验和平行观测气象资料，研究了暖季型和冷季型草种在北京地区的质量表现和气候指标。
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