How to select dilution coefficient is key of biochemical oxygen demand.
如何选取稀释系数是测定生化需氧量的关键。
Influence of precipitation condition on dilution of atmospheric pollutant concentration in Harbin City;
哈尔滨市降水形势对大气污染物浓度稀释的影响
Comparison of protein refolding by chromatographic method and by dilution method;
重组人白细胞介素-15包涵体离子交换柱复性与稀释复性的比较
Automatic dilution and division system of radioactive isotope;
放射性同位素自动稀释和分源系统