نتایج جستجو برای: health risk assessment of humans

تعداد نتایج: 21437646  

Journal: :journal of chemical health risks 0
soheil sobhanardakani department of the environment, hamedan branch, islamic azad university, hamedan, iran lobat taghavi department of the environmental pollution, science and research branch, islamic azad university, tehran, iran

this study was carried out for analysis and non-carcinogenic risk assessment of arsenic (as) and zinc (zn) in some of consumed brands of ghee marketed in kermanshah city, western iran in 2015. for this purpose, 12 samples of four popular brands of ghee were analyzed for levels of as and zn after digestion with acids using atomic absorption spectrometry in 3 replications and health index was obt...

Journal: :iranian journal of environmental sciences 0
fahad ahmed department of environmental sciences, jahangirnagar university, dhaka-1342, bangladesh md. shakhaoat hossain department of public health & informatics, jahangirnagar university, dhaka-1342, bangladesh abu tareq abdullah institute of food science & technology (ifst), bangladesh council of scientific and industrial research (bcsir), dhaka 1205, bangladesh md. ahedul akbor analytical research division, bangladesh council of scientific and industrial research (bcsir), dhaka 1205, bangladesh md. aminul ahsan analytical research division, bangladesh council of scientific and industrial research (bcsir), dhaka 1205, bangladesh

there are many potential risks to human health from heavy metal contamination of vegetables resulting from wastewater irrigated sites. this study was carried out to assess the concentration of chromium (cr) and the risk to human health by chromium through the intake of locally grown vegetables collected from wastewater irrigated agricultural fields. twenty-seven samples of 9 (nine) different ty...

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: :nutrition and food sciences research 0
naser koosej department of fisheries, faculty of agriculture and natural resources, university of gonbad-e kavous hojatollah jafariyan department of fisheries, faculty of agriculture and natural resources, university of gonbad-e kavous abdolvahed rahmani university of hormozgan abdollrahman patimar department of fisheries, faculty of agriculture and natural resources, university of gonbad-e kavpus hosna gholipoor department of fisheries, faculty of agriculture and natural resources, university of gonbad-e kavous

background and objectives: despite the increasing impact of heavy metal pollution in persian gulf due to urban growth and agricultural and petroleum activities, few studies have focused on the behavior and relationships of these pollutants in the biotic and abiotic components of aquatic environments. in this study, the amount of some metals (copper, iron, lead, cadmium, zinc and nickel) was det...

Background and Purpose: Wood dust have been approved as a harmful and carcinogenic agent for humans. This study aimed to evaluate risk assessment of Workers' exposure to inhalable wood dust among 100 workers in 25 furniture manufacturing workshops in one of the northern cities in Iran. Materials and Methods: NIOSH0501 method was used to assess the occupational exposure to Inhalable wood dust a...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده ادبیات و علوم انسانی 1389

abstract abstract of thesis (includes summary, goals, execution methods, and results) story “al-obnosat al-bayza” is one of the short stories from “hanna mineh” collection. this story is a selection of lives of some humans during a voyage together, each of them is a symbol of human nature (love, mind, kindness) and examine social, cultural, and political aspects of governing system, and it...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1392

the issue of curriculum and syllabus evaluation and revision has been in center of attention right from when curriculum came into attention of educational institutions. thus everywhere in the world in educational institutions curricula and syllabi are evaluated and revised based on the goals, the needs, existing content, etc.. in iran any curriculum is designed in a committee of specialists and...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده ادبیات و زبانهای خارجی 1391

although there are studies on pragmatic assessment, to date, literature has been almost silent about native and non-native english raters’ criteria for the assessment of efl learners’ pragmatic performance. focusing on this topic, this study pursued four purposes. the first one was to find criteria for rating the speech acts of apology and refusal in l2 by native and non-native english teachers...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده ادبیات و زبانهای خارجی 1392

while performance-based language assessment has led to an increased authenticity and content validity in the practice of writing assessment, the reliability of ratings has become a major issue. research findings have shown different reactions by native english speaker (nes) and non-native english speaker (nns) teachers to students’ writings. the focus of this study is on investigating whether i...

Journal: :journal of chemical health risks 0
seyed reza shadizadeh department of drilling engineering, petroleum university of technology (put), ahvaz, iran elahe ataallahi department of safety and protection engineering, petroleum university of technology (put), abadan, iran

drilling industry provides a significant potential for occupational health risks. thus, health-related hazards (chemical, physical, ergonomic and biological) must be recognized, evaluated and controlled in order to prevent occupational illnesses which come from exposure to them. for these, a good occupational health risk assessment needs to be applied. risk assessment monitors risks and provide...

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