**Author details**

Jixiang Yang1,2

1 School of Urban Construction and Environmental Engineering, Chongqing University, Chongqing, China

2 Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing, China

\*Address all correspondence to: jixiang504@hotmail.com

© 2019 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
