Heat preservation suggestions and heat loss analysis of geothermal well
ZHU Ming, DUAN Youzhi, GAO Xiaorong, YUE Hui, PANG Wei, YAO Zhiliang
Science & Technology Review . 2015, (22): 32 -36 .  DOI: 10.3981/j.issn.1000-7857.2015.22.004