نتایج جستجو برای: standard precautions

تعداد نتایج: 522627  

ژورنال: Medical Laboratory Journal 2015
Ghazanfari, Z, , Karvar, M, , Pouryazdanpanah, N, ,

Abstract Background and objective: Bioindicators of drinking water are always influenced by physical and chemical factors such as turbidity and chlorine.  Considering the assessment of drinking water quality is based on residual chlorine, E.coli, heterotrophic bacteria and turbidity.  We aimed to evaluate the effect of pH, chlorine residual and turbidity on the microbial ...

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