Na2CO3溶液
A.离子交换色谱B.聚酰胺色谱C.葡聚糖凝胶GD.大孔吸附树脂E.硅胶或氧化铝吸附色谱选择合适的色谱条件分离下列各组化合物
参考答案:C
The post-audit performed as part of the capital budgeting process is least likely to:()
A. improve a firm's operations.
B. produce concrete ideas for future investments.
C. force management to revise the original forecast to match actual results.
奏札的公文程式是,其首称由时间、具奏札人衔名和()组成。