نتایج جستجو برای: 15 water samples were collected and physicochemical prop

تعداد نتایج: 17042342  

Journal: :Advances in zoology and botany 2022

Aquatic insects are the utmost generally employed macroinvertebrates in freshwater monitoring and assessment worldwide. However, aquatic have received far less attention for objectives of health water quality bioassessment, particularly Kalaburagi, Karnataka. This study examined abundance Bhosga reservoir their relationship to physicochemical factors. Water ecosystem had been assessed using BMW...

Journal: :Journal of environmental biology 2007
R Radha Krishnan K Dharmaraj B D Ranjitha Kumari

The drinking, borewell and sewage water in the Sanmugasikamani Nadar (S.N) street, Naivatti Nadar (N.N) street and Thiruthangal area of Sivakasi has been studied. The various constituents monitored include the physicochemical characters like pH, total solids, total dissolved solids, total suspended solids; chemical parameters like total alkalinity acidity free CO2, dissolved oxygen, total hardn...

Journal: :GSC biological and pharmaceutical sciences 2021

The aim of the study is to isolate indigenous bacterial species which have ability degrade crude oil. Samples were collected from an oil polluted site in Ejama-Ebubu Eleme Rivers state. samples taken five spot (A-E), depth 0-15 (A1– E1) and 15-30 (A2– E2) sterile polyethylene bags, using appropriate equipment, then laboratory for analysis, Physicochemical parameters such as pH, nitrate, sulphat...

Journal: :زمین شناسی اقتصادی 0
زهرا خالدی حسین محمدزاده

the presence of cr(vi) in groundwater resources is governed by ph and eh of water and its compounds are generally soluble and have more toxicicity and mobility in oxidizing environments. in this article, the cr concentration in ophiolite units, in sediments, and in groundwater resources, and also its potential to contaminate the environment have been investigated in southeast of birjand. during...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ارومیه - دانشکده علوم 1391

nanotechnology is a general term which is related with field of all advanced science term that generally predicates with all modern technologies which consider nanoscales. improvement in the quality of products by adding some nanoparticles and study of their behavior in the presence of these nanoparticles have been obtained in many researches. on the other hand numerous demands for sowing ...

ژورنال: سلامت و محیط زیست 2022

Background and Objective: Groundwater is the primary water source for drinking and agricultural activities in arid and semi-arid regions. Rainfall, land use, geological structure, aquifer mineralogy, and duration of water contact with the environment in the basement are the main factors affecting the chemical quality of groundwater. This study aimed to determine the physicochemical properties o...

Journal: :Journal of water and health 2015
J K Kirui K Kotut P O Okemo

This study explored the possibility of disinfecting water using aqueous extracts of medicinal plants. Seven medicinal plants used by Samburu herbalists for the treatment of stomach illnesses were investigated for water disinfection. Aqueous extracts of the dried powdered plant material were directly used to treat the water samples collected. Efficacy of water treatment with medicinal plants exp...

In the present study, the physicochemical properties and antioxidant activities of different Iranian honey samples are investigated using various multivariate techniques in order to develop a quality control model. Forty-eight Iranian honey samples were tested for 15 physicochemical and antioxidant parameters. The parameters for which the samples were tested included color intensity, moisture, ...

Journal: :تحقیقات نظام سلامت 0
علی شهریاری دانشجوی دکتری، کمیته تحقیقات دانشجویی، گروه مهندسی بهداشت محیط، دانشگاه علوم پزشکی اصفهان و کارشناس ارشد، گروه مدیریت عالی بهداشت، معاونت بهداشتی دانشگاه علوم پزشکی گلستان، گرگان، ایران مهناز نیک آئین دانشیار، دانشکده بهداشت، مرکز تحقیقات محیط زیست، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران. مهدی حاجیان نژاد دانشیار، دانشکده بهداشت، مرکز تحقیقات محیط زیست، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران مرضیه وحید دستجردی کارشناس ارشد، گروه مهندسی بهداشت محیط، مرکز تحقیقات محیط زیست، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران اکبر حسن زاده مربی، مرکز تحقیقات امنیت غذایی، گروه آمار و اپیدمیولوژی، دانشکده بهداشت، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران. حسین صفاری کارشناس، گروه بهداشت، محیط مرکز بهداشت استان اصفهان، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران زهرا موسویان

background: the chemical quality of water used for dialysis fluid is a vital factor in the overall care received by dialysis patients. therefore, water used for this purpose should be treated with advanced methods before use for dialysis. the objective of this study was to assess the efficiency of reverse osmosis systems to improve water quality used for dialysis fluid. methods: in this descrip...

2014
Marzieh FARHADKHANI Mahnaz NIKAEEN Behrouz AKBARI ADERGANI Maryam HATAMZADEH Bibi Fatemeh NABAVI Akbar HASSANZADEH

BACKGROUND Drinking water quality can be deteriorated by microbial and toxic chemicals during transport, storage and handling before using by the consumer. This study was conducted to evaluate the microbial and physicochemical quality of drinking water from bottled water coolers. METHODS A total of 64 water samples, over a 5-month period in 2012-2013, were collected from free standing bottled...

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