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Freestanding porous Co9S8 nanoneedle bundles arrays on Ni foam were in-situ synthesized by a facile ion exchange reaction and were directly used as the electrode for supercapacitors. The structure and morphology were characterized by X-ray diffraction (XRD), scanning electron microscope (SEM), and transmission electron microscope (TEM). Cyclic voltammetry (CV), chronopotentiometry (CP) and electrochemical...
Using the BG-11 medium, the usual cultivation of alage medium, fast and efficient screen a produced organic algae from the soil around a Chemical factory's soda production work-shop in Beijing. Experiments show that after 15 days cultivating, the algae's biomass reachs to maximum; the best yield conditions of the algae in the laboratory:Na2CO3 concentration(20mg/L),lig-ht intensity(4500Lux), inoculums...
In view of the problem that the high concentration of nitrogen and phosphate remained in secondary effluent, adsorption processes were attempted to remove nitrogen and phosphate. In this paper, nature zeolite was modified and compounded as a matrix material. After treating in these methods, the properties of zeolite had been greatly improved and the goal of nitrogen and phosphate synchronous removal...
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