In this paper, the studies on the synthesis, chromatographic characteristics and application of new packings of high performance strong cation exchange chromatography with sulfonic group for the separation of proteins have been reported. 带端羟基的大孔硅胶与氯磺酸反应制得分离蛋白质的强阳离子交换色谱填料。
This paper adopted the data of A ' stocks in the Shanghai Securities Exchange Market, regard the B / M ( Account value of equity / Value of market ) as the standard to separate the valuable stock group and the grow-up stock group. 本文以上海证券交易市场A股为样本,以B/M(权益的账面价值与市场价值比)为标准划分价值股组合和成长股组合;