http://reply.papertrans.cn/1/49/4841/4841-11.png
http://reply.papertrans.cn/1/49/4841/4841-12.png
http://reply.papertrans.cn/1/49/4841/4841-13.png
http://reply.papertrans.cn/1/49/4841/4841-14.png
http://reply.papertrans.cn/1/49/4841/4841-15.png
Submitted on: 20 October 2017.
Revised on: 07 December 2017.
Accepted on: 30 December 2017.
___________________Case Studies in the Environment
http://reply.papertrans.cn/1/49/4841/4841-17.png
http://reply.papertrans.cn/1/49/4841/4841-18.png
http://reply.papertrans.cn/1/49/4841/4841-19.png
http://reply.papertrans.cn/1/49/4841/4841-20.png