id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cet-12842		cet-12842		6	.pdf	application/pdf	3657	106	44	More specifically, a sharp decrease in H2S headspace concentration was recorded for the first 60 min of assay, followed by a gradual decrease in H2S fate along with the occurrence of lower gas-liquid concentrations gradients. Figure 2: Time course of H2S headspace concentration under different concentrations of N-NO3 - (a), N-NO2 - (b) and activated sludge (100 mg VSS/L)	cache/cet-12842.pdf	txt/cet-12842.txt