应中国昆虫学会及中国农药学会的邀请,美籍昆虫毒理学家孙云沛教授于1981年5月7日来华,先后到北京、沈阳、天津、南京、合肥、杭州及上海进行学术访问和交流。共作了32次报告、举行了10次座谈会并参观了各地有关研究单位、院校及农药厂,受到各地农药、化保及昆虫毒理科技人员的热烈欢迎。在他访问期间,受到全国科协副主席杨显东同志的会见及两个学会的理事长及各地分会理事长或省科协负责同志的热情接待。 孙教授在美国壳牌发展公司负责生物研究中心的 At the invitation of the Chinese Entomological Society and Chinese Pesticide Society, Professor Sun Yunpei, an American insect toxicologist, came to China on May 7, 1981 and went to Beijing, Shenyang, Tianjin, Nanjing, Hefei, Hangzhou and Shanghai for academic visits and exchanges. A total of 32 reports were made, 10 symposiums were held, and relevant research institutes, institutions and pesticide factories in various places were visited, and were warmly welcomed by scientists and technicians from pesticide, chemical security and insects in various places. During his visit, he was warmly received by Comrade Yang Hsong Dong, vice chairman of the National Association for Science and Technology, chairman of the two societies and director of the branch clubs all over the country or responsible comrades of the Provincial Association for Science and Technology. Professor Sun is in charge of the Biological Research Center at Shell Development Company in the United States