نتایج جستجو برای: ec and tds

تعداد نتایج: 16831573  

Journal: :iranian journal of environmental sciences 0
ali vosoogh phd candidate in civil-water engineering, iran university of science & technology, iran akbar baghvand associate professor, faculty of environment, university of tehran, iran hatef saghakhaneh msc. student of civil engineering-environment, aras international campus, university of tehran, iran

groundwater makes up an important part of global freshwater resources, though it is often threatened by overuse of natural resources along with abundant production of wastes in modern society. this study aims to investigate the removal of three heavy metals including nickel, cadmium, and lead from groundwater via electrocoagulation, a suitable method for treatment of water-soluble compounds, de...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی شاهرود - دانشکده معدن و ژئوفیزیک 1389

برداشت های ژئوالکتریک یا مقاومت ویژه در منطقه خرمالو، واقع در استان گلستان، به منظور تعیین گسترش جانبی و عمقی سازندهای آبدار اجرا شده است. پارامترهای کیفی آب مانند tds و ec نیز از چاه های آب موجود در منطقه مذکور تعیین شده اند. هدف از این بررسی های مقاومت ویژه در این پایان نامه، تشخیص آبخوان های زیرزمینی منطقه و نیز به دست آوردن رابطه ای (خطی) بین پارامترهای ژئوالکتریکی و هیدروژئولوژیکی در منطقه...

Journal: :Sustainability 2021

Water pollution is an increasing global issue that societies are facing and threating human health, ecosystem functions agriculture production. The distinguished features of artificial intelligence (AI) based modeling can deliver a deep insight pertaining to rising water quality concerns. current study investigates the predictive performance gene expression programming (GEP), neural network (AN...

Journal: :The Journal of the Acoustical Society of America 1980

Journal: :International journal of economic and environment geology 2022

Groundwater quality of taluka Chachro was investigated by analyzing thirty-two groundwater samples for drinking purpose. Multivariate statistical approaches with GIS interpolations (IDW) were applied the identification significant geochemical processes governing quality.. Results showed concentrations physiochemical parameter in study area exceeded prescribed level WHO guidelines. The EC and TD...

Groundwater makes up an important part of global freshwater resources, though it is often threatened by overuse of natural resources along with abundant production of wastes in modern society. This study aims to investigate the removal of three heavy metals including nickel, cadmium, and lead from groundwater via electrocoagulation, a suitable method for treatment of water-soluble compounds, de...

2015
Seyed Javad Hosseinifard Milad Mirzaei Aminiyan

One of the important purposes of hydrology is to ensure water supply in accordance with the quality criteria for agricultural, industrial, and drinking water uses. The groundwater is the main source of water supply in arid and semi-arid regions. This study was conducted to evaluate factors regulating groundwater quality in Rafsanjan plain. A total of 1040 groundwater samples randomly were colle...

Journal: :environmental health engineering and management 0
ahmadreza yari research center for environmental pollutants, qom university of medical sciences, qom, iran hossein jafari mansoorian environmental health engineering research center, department of environmental health, kerman university of medical sciences, kerman, iran gharib majidi environmental health engineering, school of public health, qom university of medical sciences, qom, iran ghazal yazdanpanah environmental health engineering research center, kerman university of medical sciences, kerman, iran ali sayfouri environmental health engineering, school of public health, qom university of medical sciences, qom, iran

background: the aim of this study was to evaluate the physical and chemical quality of groundwater in the villages of qom province during summer 2014, and to compare the results with iran’s standard no. 1053. methods: this research is a descriptive sectional study. during the investigation, one step sampling with the necessary repetitions (if necessary) was performed of each well for evaluation...

Journal: :Sustainability 2021

Modeling surface water quality using soft computing techniques is essential for the effective management of scarce resources and environmental protection. The development accurate predictive models with significant input parameters inconsistent datasets still a challenge. Therefore, further research needed to improve performance models. This study presents methodology dataset pre-processing opt...

Journal: :Cogent engineering 2022

Salinity is a classic problem in water quality management since it directly associated with low indices. Debate continues about selecting the best model for forecasting, remains major challenge and causes much uncertainty. Accordingly, identifying optimal modelling that can capture salinity behaviour becoming common trend recent research. This study applies novel combined techniques, including ...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید