Penulis: Qingzheng Cheng

Compared to the neat matrix material, FRC has highly favorable mechanical properties, and their strength-to-weight ratios are superior. In addition, FRCs have potential for use in many applications i …

In February 2009, in response to significant weakness in the economy, lawmakers enacted the American Recovery and Reinvestment Act (ARRA). The legislation’s numerous spending and revenue provisions c …