Natural gas is not only playing an increasing important role in energy and chemicals supplies in 21st century but is also the second most important component of
IntroductionWhen Jack Kilby of Texas instrUmentS built theworld's first integrated circuit in 1958, the devicecontains only one transistOr Since then, integ
Bamboo-like carbon nanotubes were prepared by decomposing C_2H_2 on ferric catalyst. Acid immersion, ball milling and KOH etching were performed before hydrogen