A surface-modified carbon nanotubes (CNTs), which shows an excellent electron field emission property was obtained in the present work. Conventional screen-printing technology was applied to prepare the CNT films. After hydrogen plasma surface treating process, the morphology of nanotubes...

This paper analyzes the foreign trade gap between 36 countries and regions and the role China plays from 1978 to 2007. The paper finds that the absolute gap among those countries increase, but the relative gap decrease, the gap between the developing and the developed decrease, the...

As the demand for organic and natural food grows in the U.S., studies show that consumers would and do pay more for these foods than their traditional counterparts. However, the question remains as to whether consumers really understand the differences between organic and natural products versus...