浮渣
4.Renovation of Scum Treatment System in Aerated Grit Chamber of Wastewater Treatment Plant
6.Study on the anti-oxidative capability of the alcohol soluble substance in the mixed juice scum of sugarcane mill
7.This paper introduces a scheme of DCS(Distributed Control System) for the scum-off industrial robots in production line of casting,including hardware structure and software system.
8.Several approaches to the problem of ladle skull slag or deoxidation-scum removed was being tried.
9.With respect to the technical renovation of scum collection system of aerated grit chamber in Tuandao Wastewater Treatment Plant, a new method was developed for upgrading the removal efficiency of grease and scum without transforming the former structure and equipment.
10.By degrees, little by little, from moment to moment, a wise man removes his own impurities, as a smith removes the dross of silver.


