This paper introduces the types of micro-zoon used for sludge reduction,illustrates two biologic predation sludge reduction technologies as online reduction technology and offline reduction technology,summarizes their effects,and proposes their further research direction.
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This paper mainly introduces some flow-control devices in continuous casting tundishes and summarizes their effects and application.
本文主要介绍了连铸中间包内控流装置的几种形式，并对其作用与应用状况做了综述。
This paper summarizes various factors of causing deformation and their effects on mechanical seal performance.
本文综述了变形的各种因素及其对机械密封性能产生的影响。
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