نتایج جستجو برای: providing drinking and hygienic water

تعداد نتایج: 16939674  

Journal: :Veterinary world 2015
D M Golher P Thirumurugan B H M Patel V K Upadhyay S Sahu G K Gaur S H Bhoite

AIM The objective of study was to investigate the effects of drinking water on certain physiological parameters such as heart rate (HR), respiration rate (RR), rectal temperature (RT) and, ruminal motility (RM). MATERIALS AND METHODS The experiment was carried out on 18 farm bred lactating crossbred cows. The animals selected for the study were divided into three groups of six animals each on...

پایان نامه :دانشگاه تربیت معلم - تهران - دانشکده ادبیات و زبانهای خارجی 1390

the frame semantic theory is a nascent approach in the area of translation studies which goes beyond the linguistic barriers and helps us to incorporate cognitive and cultural factors to the study of translation. based on rojos analytical model (2002b), which centered in the frames or knowledge structures activated in the text, the present research explores the various translation problems that...

ژورنال: سلامت و محیط زیست 2016

Background and Objective: Human health depends on clean and safe drinking water more than anything. In Bilverdi Plain, the main source of drinking water is groundwater that has got a low quality in some places. Therefore, the drinking water of this area needs detailed evaluation of quality. In this research, the drinking water of Bilverdi Plain was evaluated based on fuzzy and deterministic met...

پایان نامه :0 1374

this thesis aims to adduce an unmitigated and comprehensive explication concerning the relationship of three significant elements of fiction: setting, chracter and theme. my research is basically placed on two outstanding novels of the 19th century: emily brontes wuthering heights and thomas hardys return of the native. my endeavour lies in studying the correlation among the three above-mention...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید چمران اهواز - دانشکده مهندسی علوم آب 1393

drought is transient phenomenon , slow , repetitive and integral part of the climate of each region. drought begins with a substantial reduction in precipitation over the long-term average rainfall and over time, reduced soil moisture and surface and ground water resources will continue to decrease. this phenomenon is the most important in bakhtegan basin because of its importance in strategic ...

Journal: :jundishapur journal of health sciences 0
afshin takdastan environmental technologies research center, department of environmental health,ahvaz jundishapur university of medical sciences, ahvaz, ir iran saeed emami tabar department of environmental engineering, islamic azad university, khuzestan science and research branch, ahvaz, ir iran abdolkazem neisi department of environmental health, ahvaz jundishapur university of medical sciences, ahvaz, ir iran azadeh eslami department of environmental engineering, college of environment and energy, tehran science and research branch, islamic azad university, tehran, ir iran; department of environmental engineering, college of environment and energy, tehran science and research branch, islamic azad university, tehran, ir iran. tel: +98-9166054619, fax: +98-6113342262

background existence of fluoride in drinking water above the permissible level causes human skeletal fluorosis. objectives electrocoagulation by iron and aluminum electrodes was proposed for removing fluoride from drinking water. materials and methods effects of different operating conditions such as treatment time, initial ph, applied voltage, type and number of electrodes, the spaces between ...

Journal: :تحقیقات نظام سلامت 0
مهدی اسدی دانشجوی دکتری مهندسی محیط زیست دانشگاه تهران، تهران، ایران و عضو هیأت علمی مرکز تحقیقات آلاینده های محیطی، دانشگاه علوم پزشکی قم، قم، ایران سیامک محبی استادیار، مرکز تحقیقات سیاست گذاری و ارتقا سلامت،دانشگاه علوم پزشکی قم،قم،ایران سمیه بهنامی پور کارشناس ارشد شیمی تجزیه، دانشکده بهداشت، دانشگاه علوم پزشکی قم، قم، ایران فاطمه حسن پور دانشجوی کارشناسی بهداشت محیط، دانشگاه علوم پزشکی قم، قم، ایران محمد حضوری استادیار، مرکز تحقیقات علوم تغذیه، دانشگاه علوم پزشکی قم، قم، ایران

background: the human body gets fluorine from a variety of sources including food and water. this element is essential in order to prevent tooth decay. however, high concentrations of this element led to a lot of dental fluorosis and skeletal injuries. this study aimed to measure the concentration of fluoride in water and tea consumed in the city of qom. methods: the present study is cross-sect...

Journal: :تحقیقات نظام سلامت 0
منصوره دهقانی استادیار، گروه مهندسی بهداشت محیط، دانشکده بهداشت و تغذیه، دانشگاه علوم پزشکی شیراز، شیراز، ایران رضوان عمرانی کارشناس، گروه مهندسی بهداشت محیط، دانشکده بهداشت و تغذیه، دانشگاه علوم پزشکی شیراز، شیراز، ایران حسن هاشمی مربی، گروه مهندسی بهداشت محیط، دانشکده بهداشت، دانشگاه علوم پزشکی شهرکرد، شهرکرد، ایران

normal 0 false false false en-us x-none ar-sa microsoftinternetexplorer4 background: one of the goals of the world health organization (who) and world dental federation (wdf) is declining the decay, missing or filled teeth (dmft) index in people under 12 years down to the level of 1. the present study aimed to determine the dmft index in 7 to 11-year-old students and its association with the am...

Journal: :jundishapur journal of natural pharmaceutical products 0
mohammad ahmadi jebelli environmental health research center, kurdistan university of medical sciences, sanandaj, ir iran enayatollah kalantar dietary and probiotic research center, alborz university of medical sciences, karaj, ir iran afshin maleki environmental health research center, kurdistan university of medical sciences, sanandaj, ir iran; environmental health research center, kurdistan university of medical sciences, sanandaj, ir iran. tel: +98-8716626969, fax: +98-8716626969 hassan izanloo department of environmental health engineering and research center for environment pollutants, qom university of medical sciences, qom, ir iran fardin gharibi deputy of research, kurdistan university of medical sciences, sanandaj, ir iran hiua daraei environmental health research center, kurdistan university of medical sciences, sanandaj, ir iran

conclusions the ppi-g2 dendrimer with end amine groups exhibited a positive impact on the removal of dominant bacterial isolated strains. therefore, it is possible to use these nanodendrimers as a safe and effective material for water disinfection in the future. results the most important isolated bacteria were escherichia coli 37 (48.7%), klebsiella oxytoca 12 (15.8%), proteus mirabilis 3 (4%)...

Journal: :journal of advances in environmental health research 0
reza rezaee environmental health research center, kurdistan university of medical sciences, sanandaj, iran simin nasseri center for water quality research (cwqr), institute for environmental research (ier), tehran university of medical sciences, tehran, iran amir hossein mahvi department of environmental health engineering, school of public health, tehran university of medical sciences, tehran, iran ali jafari department of environmental health engineering, faculty of health and nutrition, lorestan university of medical sciences, khorramabad, iran mahdi safari environmental health research center, kurdistan university of medical sciences, sanandaj, iran behzad shahmoradi environmental health research center, kurdistan university of medical sciences, sanandaj, iran mahmood alimohammadi

terms and conditions of current drinking water quality standards, including reducing the maximum arsenic concentration from 50 μgl-1 to 10 μgl-1 and predicted stricter standards in future, reveals the necessity for development of new technologies. this study aimed to prepare and evaluate a new nanocomposite membrane using graphene oxide (go) thin layer to remove arsenic (v) from water. to fabri...

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