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For comprehensive utilization of CO contained in closed carbide furnace tail gas, the purification of HCN in the artificial tail gas mixed with pure gases was studied by means of adsorption using modified activated carbon. In range of this study the optimum conditions for preparing modified activated carbon are: NaOH concentration is 10 wt% and sulfonated cobalt phthalocyanine (CoPcS) concentration...
The characteristics of hydrogen adsorption on Li metal atoms dispersed on graphene with boron substitution were investigated for Li clustering, hydrogen bonding characteristics and open metal states of Li adatom by using density functional theory calculations. It is found that Li atoms are well dispersed on boron substituted graphene and can form the (2 ?? 2) pattern because clustering of Li atoms...
It is well known in the literature that carbon nanotubes (CNTs) interact weakly with many gas molecules like H2O, O2, CO, NH3, H2 and NO2, to name a few. Exposure to NO2, O2 and NH3 significantly affects the electrical conductance of a single wall nanotube (SWNT). These can be explained using a simple charge transfer picture, which results in the observed changes in the hole conduction of the tubes...
In this study, the surface formation energy and electronic structure for the gas atom (H-, C-, or O-adatom) adsorbed on the Ga-terminated (0001 macr) surface in a condition of nitrogen vacancy were extensively investigated using ab initio calculations.
In this paper, we show the emission current fluctuation of graphite nanoneedle cold cathode (GRANN) as a function of cathode temperature in the presence of various gases such as H2, CO, and He molecules. Field emission current measurements were performed in an atmosphere of the above gas (10-5-10-8 torr) over a temperature range of 300 to 1800 K. A high sensitivity quadrupole mass spectrometer was...
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