水环境质量评价指数法是根据水质组分浓度相对于其环境质量标准的大小来判断水的质量状况。
Composite index analysis is based on the relative concentration of quality components in its environmental quality standards to judge the pollution levels of the water-quality status.
方法:用电极法和终点法测定5种不同浓度标准,进行线性分析;
Method:Using the electrodes and end reaction methods, the linearity of 5 different concentration standards were analyzed.
本文采用国家标准方法——酚试剂分光光度法对成都50多处房屋室内的甲醛浓度及其变化规律作了具体的分析,结果显示,总样品甲醛平均浓度为0。
Using the national standard method-folin spectrophotometry, this paper makes detailed analysis of the concentration and the changing law of formaldehyde existing in the 50 more houses in Chengdu.
采用美国测量燃煤烟气中汞浓度的标准方法——安大略法,对某220MW“W”型煤粉锅炉系统中烟气经过ESP前后的汞浓度进行现场测试和分析。
The Ontario Hydro Method(OHM)was used for the in-situ mercury measurement and analysis of the mercury concentration in the flue gas flowing through the ESP in a 220 MW W-type pulverized coal furnace.
本文提出了一种用三次样条函数模拟双次标准加入法测量方程,直接求解离子浓度的自动算法。比较了三种不同边界条件下用模拟函数计算离子浓度的结果。
An automatic algorithm for directly Determining the ionic concentrations by simulating the measurement equations of the double standard addition using the cubic spline function, has been presented.
本文提出了一种用三次样条函数模拟双次标准加入法测量方程,直接求解离子浓度的自动算法。比较了三种不同边界条件下用模拟函数计算离子浓度的结果。
An automatic algorithm for directly Determining the ionic concentrations by simulating the measurement equations of the double standard addition using the cubic spline function, has been presented.
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