为了解生物滤池/滴滤池在净化含NH;废气过程中N_(2)O排放情况并分析其影响因素。本研究依据Web of Science数据库检索发表于2006—2020年的国内外相关文献报道,并进行归纳总结和数据分析。结果表明:在生物滤池中,填料湿度、填料pH、NH;...为了解生物滤池/滴滤池在净化含NH;废气过程中N_(2)O排放情况并分析其影响因素。本研究依据Web of Science数据库检索发表于2006—2020年的国内外相关文献报道,并进行归纳总结和数据分析。结果表明:在生物滤池中,填料湿度、填料pH、NH;进气载荷等对N_(2)O排放有着重要影响;在滴滤池中,进气气体组分、NH;进气载荷和滴滤池构造等影响N_(2)O排放。总体而言,生物滤池/滴滤池相关的N_(2)O排放机理尚不清晰,仍需进一步研究。最后,结合生物滤池/滴滤池运行管理的研究成果,本研究就N_(2)O减排提出建议。展开更多
An experimental platform was developed to investigate the effects of audible sound(20 Hz to 20 MHz)on plant growth promotion,which included a microcontroller-based embedded system for audible sound adjustment and anal...An experimental platform was developed to investigate the effects of audible sound(20 Hz to 20 MHz)on plant growth promotion,which included a microcontroller-based embedded system for audible sound adjustment and analysis.The direct digital frequency synthesis(DDFS)method was used to generate various waveforms of sound in the platform.Soundproof glass and mufflers were used to reduce background noise.The developed system was tested on various plants,including hydroponic tomatoes,celery and mung bean.The testing results showed that the developed platform could produce pure tone and mixing audible sound with high stability and accuracy,make octave analysis of the sound under experimental environments,and the background noise in the testing chamber of the platform was lower than 55 dB(A)when the compression engine was working.The developed experimental platform has a great potential on facilitating scientific research on acoustic biology effects on plants and collecting real-time experimental data.展开更多
文摘为了解生物滤池/滴滤池在净化含NH;废气过程中N_(2)O排放情况并分析其影响因素。本研究依据Web of Science数据库检索发表于2006—2020年的国内外相关文献报道,并进行归纳总结和数据分析。结果表明:在生物滤池中,填料湿度、填料pH、NH;进气载荷等对N_(2)O排放有着重要影响;在滴滤池中,进气气体组分、NH;进气载荷和滴滤池构造等影响N_(2)O排放。总体而言,生物滤池/滴滤池相关的N_(2)O排放机理尚不清晰,仍需进一步研究。最后,结合生物滤池/滴滤池运行管理的研究成果,本研究就N_(2)O减排提出建议。
基金We acknowledge that the research was supported by Key Team of Science and Technology Innovation of Zhejiang Province(No.2011R50029)College Talent Funds of Ningbo Institute of Technology,Zhejiang University(NO.1141257G1402)+2 种基金Ningbo Tackle Key Program for Agricultural Science and Technology Development(NO.2015C10014)Ningbo Natural Science Foundation(No.2014A610155&No.2011A610185)Zhejiang Provincial Natural Science Foundation of China(No.LQ13F010005).
文摘An experimental platform was developed to investigate the effects of audible sound(20 Hz to 20 MHz)on plant growth promotion,which included a microcontroller-based embedded system for audible sound adjustment and analysis.The direct digital frequency synthesis(DDFS)method was used to generate various waveforms of sound in the platform.Soundproof glass and mufflers were used to reduce background noise.The developed system was tested on various plants,including hydroponic tomatoes,celery and mung bean.The testing results showed that the developed platform could produce pure tone and mixing audible sound with high stability and accuracy,make octave analysis of the sound under experimental environments,and the background noise in the testing chamber of the platform was lower than 55 dB(A)when the compression engine was working.The developed experimental platform has a great potential on facilitating scientific research on acoustic biology effects on plants and collecting real-time experimental data.
