用Excel制作环境监测声像报告

阐述了运用办公自动化应用软件电子表格Ｅｘｃｅｌ制作及播放新型声像片的方法，并以环境监测工作中的实例介绍了具体的制作过程。

A Simple method for determination of C 6+ r

A simple photometric method for the determination of C 6+ r using solid sys diphenyl carbazide with solid oxalic acid to regulate the acidity in the solution is reported. The performance of colour reagent is stable for a long time. The method can be applied to determine C 6+ r in ground water,underground water and industrial wastewater.The precision and accuracy of the method is satisfactoriy.