id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cet-2121		cet-2121		6	.pdf	application/pdf	3283	174	57	It is also observed that the methane conversion decreased over time which is due to the deposition of carbon produced as a by-product during the methane cracking reaction, resulting in the blockage of active sites and reduction in catalyst surface area (Abbas and Wan Daud, 2010, Sy et al., 2012, Choudhary et al., 2001). The second type of Ni particles formed was smaller in size (50 to 100 nm) and corresponded to the elemental Ni particle.	cache/cet-2121.pdf	txt/cet-2121.txt