نتایج جستجو برای: sodium adsorption ration sar

تعداد نتایج: 261995  

Journal: :health scope 0
amir hosein mahvi department of environmental health engineering, school of public health, tehran university of medical sciences, tehran, ir iran; center for solid waste research, institute for environmental research, tehran university of medical sciences, tehran, ir iran mehdi vosoughi department of environmental health engineering, school of public health, ahvaz jundishapur university of medical sciences, ahvaz, ir iran; student research committee, ahvaz jundishapur university of medical sciences, ahvaz, ir iran; department of environmental health engineering, school of public health, ahvaz jundishapur university of medical sciences, ahvaz, ir iran. tel: +98-9386939465, fax: +98-6113361544 mohammad javad mohammadi department of environmental health engineering, school of public health, ahvaz jundishapur university of medical sciences, ahvaz, ir iran; clinical research development center, razi teaching hospital, ahvaz jundishapur university of medical sciences, ahvaz, ir iran anvar asadi department of environmental health, school of public health, shahid beheshti university of medical sciences, tehran, ir iran bayram hashemzadeh department of environmental health, khoy school of nursing and public health, urmia university of medical sciences, urmia, ir iran amir zahedi department of environmental health engineering, school of public health, ahvaz jundishapur university of medical sciences, ahvaz, ir iran

conclusions the findings of this study showed that the modification of natural zeolites can achieve higher adsorption capacity for organics. in addition, based on the results, natural zeolite being modified with sds as a cationic surfactant had good efficiency for the adsorption of nom. results the results indicated that sds-modified zeolite showed greatly enhanced adsorption capacity. findings...

Journal: :Environments 2022

This study highlights the groundwater hydrogeochemical characteristics and processes (hydrochemistry characteristics, ion exchange, salinization) quality suitability assessment for irrigation purposes from five wells in Greenbelt area located northwestern Al-Najaf Governorate, Iraq. The of was assessed based on water index (IWQI) thirteen parameters indices such as total dissolved solids (TDS),...

Journal: :Water 2023

Groundwater is an essential resource for drinking and agricultural purposes in the Al-Jouf region, Saudi Arabia. The main objective of this study to assess groundwater quality irrigation region. Physicochemical characteristics were determined, including total dissolved solids (TDS), pH, electric conductivity (EC), hardness, various anions cations. index (WQI) was calculated determine suitabilit...

Journal: :Proceedings of the Society for Experimental Biology and Medicine. Society for Experimental Biology and Medicine 1981
A V Notargiacomo E D Freis

Spontaneously hypertensive rats were placed on weight-reducing diets either by limiting regular feedings to twice weekly or by providing half the normal ration daily. Significant reductions in body weight and blood pressure were observed at 2,4, and 6 weeks after beginning the diet. Blood pressure fell despite maintenance of a normal or elevated sodium intake indicating that the reduction was n...

Journal: :Land 2021

Agricultural reclamation in coastal zones is effective for mitigating population pressure on the food supply. Soil properties are important factors influencing crop production reclaimed lands. This study aims to investigate impacts of time and land use trajectories soil physicochemical after reclamation. We sampled soils areas that were 1999, 1998, 1991, 1989, 1986, 1981, 1979 determined some s...

Journal: :Journal of Environmental Science and Sustainable Development 2022

The purpose of the research is to analyze prospects for agriculture development in Central Asian region and Tajikistan particular, terms identifying main favorable constraining factors further development. Pyanj river one tributaries Transboundary Amu Darya River region, whose waters are a source drinking water supply population 80% used irrigation agricultural land. trend deteriorating quality...

H Salehi, H Zeinivand

Preservation of water quality, particularly in areas with inadequate water resources is considered as one of the principles of planning in integrated water management. In Kuhdasht, a region at the west of Iran, groundwater and spring water resources are the major contributors of drinking and irrigation water supply. The aim of this study was to determine the suitability and mapping of springs a...

2014
Xiao-Kun OuYang Le-Ping Yang Zheng-Shun Wen

Currently, marine protein byproducts are mainly hydrolyzed and prepared for applications that depend on their physiological activity. Such uses require strict removal of heavy metal ions from the material. In this work, a green approach was proposed using peanut shells as adsorbent to remove Pb(II) from solutions containing amino acid and sodium chloride. The effects of amino acids and sodium c...

Journal: :IOP conference series 2023

Abstract The project aimed to prepare study comprised investigate for assessing Diyala River water pollution in the (bottom basin) and showing chemical effect of discharged plant. physical properties included hydrogen number (pH), total dissolved solids (TDS) electrical conductivity (EC), but term properties, samples were chemically analyzed cat ions anions (Ca +2 , Mg Na +1 K Cl -1 HCO 3 SO 4 ...

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