Although polychlorinated biphenyls(PCBs) are globally recognized pollutant, an understanding of their resources as by-pr......

应用并试验了高效毛细管柱气相色谱法分离和测定樟脑丸中萘含量.选择二硫化碳作为试样溶剂,因它具有溶样速度快和提供良好的色谱分......