1.Water quality--Determination of sulfide--Direct development of the spectrophotometry
水质硫化物的测定直接显色分光光度法
2.Strengthen and direct development towards existing communities
加强和引导对现有社区的发展
3.Evaluation of Measurement Uncertainty of Sulfide in Water by Direct Development of the Spectrophotometry
直接显色分光光度法测定水中硫化物的不确定度评定
4.Direct Development of the Spectrophotometry Determination of Sulfide in Water
直接显色分光光度法测定水中硫化物