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Although polychlorinated biphenyls(PCBs) are globally recognized pollutant, an understanding of their resources as by-pr......
Although polychlorinated biphenyls(PCBs) are globally recognized pollutant, an understanding of their resources as by-pr......
用正交试验设计的方法，研究出可行的乳化精制对二氯 的优化工艺，乳化剂为ＯＰ－７，浓度为０．０５％，处理温度６０℃，所得产品纯度为９９．５％，收率９７．２８％。......
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......
