نتایج جستجو برای: who guidelines

تعداد نتایج: 910104  

Journal: :international journal of environmental research 0

a research was conducted at kauma oxidation ponds, a sewage water treatment plant found in lilongwe, malawi with an aim of establishing the efficiency of these sewage treatment ponds in treating sewage wastewater. water samples from the effluent discharging points in the maturation ponds were collected and analysed in the labouratory for, bod, coliform bacteria, total nitrogen (tn), phosphorous...

Journal: :international journal of preventive medicine 0
raman sharma meenakshi sharma vipin koushal

0

Journal: :Chattagram Maa-O-Shishu Hospital Medical College Journal 2018

Journal: :Japan journal of water pollution research 1991

Journal: :Journal of Microbiology, Immunology and Infection 2015

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