评估地表水样本中的细菌水平，以评估其污染状况。
Estimation of bacteriological levels in surface water samples to evaluate their contamination profile.
机构信息
Department of Chemistry, University of Gujrat, Gujrat, Pakistan.
出版信息
Environ Monit Assess. 2011 Jan;172(1-4):581-7. doi: 10.1007/s10661-010-1357-z. Epub 2010 Mar 2.
The present work deals with the assessment of bacteriological contamination along with some physico-chemical parameters of water samples from Lahore canal. ANOVA showed that the observed p values of log-transformed viable plate counts, total suspended solids, turbidity, and biological oxygen demand are 0.000, 0.000, 0.000, and 0.000, respectively, which are < 0.05, while the p value of total coliforms, total fecal coliforms, and Escherichia coli are 0.728, 0.827, and 0.081, respectively which are > 0.05. Significant correlation was observed between log-transformed viable plate counts (CFU), biological oxygen demand, total suspended solids, and turbidity. Further regression analysis revealed that simple line regression model is fit for log-transformed viable plate counts and total suspended solids, log-transformed viable plate counts and turbidity, turbidity and total suspended solids, biological oxygen demand and total suspended solids, biological oxygen demand and log-transformed viable plate counts, and biological oxygen demand and turbidity.
本研究对拉合尔运河水样的细菌污染情况及部分理化参数进行了评估。方差分析显示，经对数转换后的活菌平板计数、总悬浮固体、浊度和生物需氧量的观测 p 值分别为 0.000、0.000、0.000 和 0.000，均<0.05，而总大肠菌群、总粪大肠菌群和大肠杆菌的 p 值分别为 0.728、0.827 和 0.081，均>0.05。经对数转换后的活菌平板计数（CFU）、生物需氧量、总悬浮固体和浊度之间存在显著相关性。进一步的回归分析表明，简单线性回归模型适用于经对数转换后的活菌平板计数和总悬浮固体、经对数转换后的活菌平板计数和浊度、浊度和总悬浮固体、生物需氧量和总悬浮固体、生物需氧量和经对数转换后的活菌平板计数以及生物需氧量和浊度。
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