1998年８月６－８日，全国第二届微量元素检测暨东北地区、吉林省微量元素学术研讨会在北国江城吉林市召开。京、沪、鄂、豫、甘、黑、辽、吉等省、市７０多名从事微量元素科学研究的专家、教授到会。开幕式由中国微量元素检测研究会主任委员张宏绪教授主持，中国微量元素科学 August 8-8, 1998, the second national trace element detection and Northeast China, Jilin Province, trace elements Symposium held in the northern city of Jilin City. More than 70 experts and professors engaged in scientific research of trace elements in Beijing, Shanghai, Hubei, Henan, Gansu, Heilongjiang, Liaoning and Jilin provinces and cities attended the meeting. The opening ceremony was presided over by Professor Zhang Hongxu, chairman of China Trace Elements Testing Institute, China Trace Element Science