国际知名学者,加拿大国家研究院高级研究员D.G.Stephenson博士应上海城市建设学院邀请来华进行学术交流,由北京取道武汉至西安途中,于5月3日至4日在武汉作了两场报告一次座谈。该活动由湖北省土建学会暖通空调学术委员会与中南建筑设计院科学技术协会共同主办。斯氏在报告中,讲述了他早年提出的空调负菏反应系数法, Internationally acclaimed scholar, Dr. DG Stephenson, Senior Research Fellow, National Institute of Canada, invited the Shanghai Institute of Urban Construction to come to China for academic exchanges. From Beijing to Wuhan to Xi’an, he made two reports in Wuhan from May 3rd to 4th. . The event was co-sponsored by the HVAC Air-Conditioning Academic Committee of the Hubei Provincial Institute of Civil Engineering and the Science and Technology Association of the Central South Architectural Design Institute. In his report, Sri Lankan spoke of the air conditioning negative-neutral response coefficient method he proposed in his early years.