[Objective] Study on the effects of rice-duck mutualism on weeds and insects pests and economic benefits of paddy field.......

This paper presents a numerical and experimental study of the discharge rate of sawdust from an aerated hopper as an imp......

以采用低低温除尘技术实现超低排放的工艺路线为指引,提出了适合低低温除尘器灰斗加热的设计方案,引出了灰斗蒸汽加热系统的设计概......