The activity of alkaline phosphatase was significantly correlated to the particle size and dissolved inorganic phosphorus negatively but opposite to organic matters and total nitrogen 通过直线回归分析发现，碱性磷酸酶活性与沉积物中粒径、溶解无机磷含量呈显著负相关，与总磷、有机质、总氮含量呈显著正相关。
2.
To investigate the relationship between optical density ( od ) and the biomass of phaeocystis globosa . p . globosa was used under laboratory conditions to study the relationship between the cell density and its related od 在实验室中测定棕囊藻细胞密度及光密度( od值)并进行直线回归分析，同时采用光密度值来估算棕囊藻的生物量。
