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基于温度—含氧量的全自动堆肥通风控制系统设计(Design of Temperature/Oxygen Concentration-based Aeration Control System for Aerobic Composting)
堆肥 通风 温度 含氧量
2009/8/11
采用工业计算机和下位机的监测控制方式,开发了基于温度-含氧量的全自动堆肥通风控制系统,并实现了软硬件的配套设计。运行试验表明:采用该工艺堆肥,时间一般为2周,高温期(55~65℃)可维持9d以上,能有效杀灭病原微生物,产品稳定性好;可在整个堆肥过程中实现自动在线监控堆体温度、含氧量和湿度,运行稳定。
Globalisation and concentration in the Czech agro-food sector
agro-food sector agro-food market globalisation concentration market power
2014/3/27
The processes of globalisation and concentration have been also penetrating into the Czech agro-food sector and market. Utilising information from foreign sources and developed countries, the paper tr...