1. Guang Xi Key Laboratory of New Energy and Building Energy Saving, No. 12 Jian Gan Road, Guilin 541004,Guangxi, China
2. College of Civil Engineering and Architecture, Guilin University of Technology , No. 12 Jian Gan Road, Guilin 541004, Guangxi, China
3. Thei University Technological and Higher Education Institute of Hong Kong, China,133 Shing Tai Road, Chai Wan, Hong Kong 999077
4. School of Environment, Tsinghua University , No. 30 Shuangqing Road, Hai Dian Distract, Beijing100084, China