The correlative curve and estimative range of BOD and COD is set up through several times of surveys to BOD and COD value of synthetic sewerage in Pingdingshan city. By using this curve,BOD value can be rapidly got according to COD value,which is used to guide the production of sewage treatment plants and it is easy,quick and correct.
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The key of this method is that the suLfur in gas sampLe is quantified by using the working curve made of Liquid standard sampLe.
该方法的关键技术在于使用液体轻油硫标准样品制作曲线，对合成气样品进行定量分析。
We detected the chopped light using this function and drawed the time-resolved curve by the plot program compiled by ourselves. The results fit with our design.
运用这一功能，对斩波光进行探测，并用自编绘图程序作出了其时间分辨曲线，实验结果与预计符合较好。
By analyzing the real stress - strain curve with theory of plastic instability and using this testing method, another form of the forming limit diagram has been found.
在利用共稳理论对实际应力应变曲线进行分析的同时，得出了求作板材成形极限图的新方法。
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