cod measurement

effect of reflux time on cod measurement value by dichromate method

重铬酸盐法中回流时间对COD测定值影响的探讨

Research of Quantitative Determination of Liquid in Fully Automatic COD Measurement

COD全自动测量中液体定量技术的研究

fracture of materials under stress wave loading& dynamic cod measurement by the moire-fringe method and hopkinson pressure bar

材料在应力波作用下的断裂&云纹法和HPB装置测动态COD

the accuracy of cod measurement is determined by the extent of the oxidation of the organics or other reductants.

测定过程中有机物或其他还原性物质的氧化程度决定了测定COD结果的准确程度。

ultraviolet scanning technique for water cod measurement and its instrument development

紫外扫描式水质COD测量技术与仪器研制

methods for eliminating disturbance of chlorine ion in cod measurement

COD测定中氯离子干扰的消除方法

In order to prove the reliability of the modified method for COD measurement, two methods are used to get the COD values of KHP standard solutions.

用两种方法测定了邻苯二甲酸氢钾标准溶液的COD值，以验证改进的COD测定方法的可靠性，比较了两种COD测定方法的优缺点和适用范围。

influence of mud and sand on cod measurement in the liaohe river and study on sampling method

辽河泥沙对COD测定值的影响及取样方法研究

the relative error of 15 minutes and 2 hours cod measurement was about 5%.

15min回流快速测定与常规2h回流测定实验数据的相对误差在5%左右。