نتایج جستجو برای: usepa and jecfa. therefore

تعداد نتایج: 16831124  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده منابع طبیعی 1392

nowadays, air pollution is a global problem that has had significant growth by technology development, population growth andindustrial development. industrial development brought natural resources deterioration, more manufacturing products, and more environmental pollutants. if pollutant won’t be controlled, human-being and wildlife will face the critical risks. significant release and critical...

Journal: :شیلات 0
سید مهدی حسینی 1گروه محیط زیست، دانشکدة منابع طبیعی دانشگاه صنعتی اصفهان، ایران نوراله میرغفاری گروه شیلات ، دانشکدة منابع طبیعی دانشگاه صنعتی اصفهان، ایران نصرالله محبوبی صوفیانی گروه شیلات ، دانشکدة منابع طبیعی دانشگاه صنعتی اصفهان، ایران سید ولی حسینی گروه شیلات، دانشکدة منابع طبیعی دانشگاه تهران، ایران

mercury is one of the most toxic heavy metal which can enter the human body mainly through consumption of seafood contaminated with mercury. in this study, the human health risk due to consumption of kutum (rutilus frisii kutum), in the caspian sea, were evaluated by measuring the concentration of mercury in muscle samples using atomic absorbtion spectrophotometer (perkin elmer fias-100) and co...

Ali Reza Pourkhabbaz, Jeffrey Levengood Mehdi Hassanpour Mohammad Hosein Sinkakarimi, Seyed Mahmoud Ghasempouri

Every year, migratory waterfowl are hunted and consumed by people in Golestan Province of Iran. Due to the heavy metal contamination of wintering habitats, an estimation of the human health risks associated with the consumption of these ducks is necessary. Therefore, this study was conducted to estimate the health risks of exposure to cadmium (Cd), total chromium (Cr), iron (Fe), lead (Pb), and...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1392

toury (1978:200) believes that translation is a kind of activity which inevitably involves at least two languages and two cultural traditions. being polite while asking for something takes place differently in different cultures and languages, therefore various strategies may be applied for making requests and also translation of them in order not to disturb or threaten the face or better to sa...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی 1389

after the soviet union dissolution, a chaotic period was begun in the russia. russia lost its glory and felt disgrace. the first group of elites came to power under yeltsin; they tried to re-define russia’s identity as a european country and build a foreign policy on this baseline. therefore russia tried to become closer with the west especially with the u.s. according to their view the sovie...

2004

The Panel has been asked to assess the possible risks to human health from the consumption of foods contaminated with mercury and methylmercury, based on intake estimates for Europe and the provisional tolerable weekly intake (PTWI) established recently by the Joint FAO/WHO Expert Committee on Food Additives (JECFA). Mercury is an environmental contaminant that is present in fish and seafood pr...

2004
Ivan Stankovic

At the 44th and 51st meetings of JECFA, reference was made to the requirement for the results of a reproductive toxicity study on a substance complying with the specification for curcumin. The Report of the 51st meeting of JECFA also asked for information on the need and technological justification for alternative solvents for use in the current manufacturing processes of curcumin. The Call for...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد 1388

abstract following innovations in the field of elt, a new topic which has recently attracted a lot of attention is metaphor analysis. although this area of research is still in its infancy in elt, it seems that the idea can shed more light on the puzzle of english language learning and teaching. therefore, the major aim of this study is to analyze language learning and teaching in formal a...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده حقوق 1389

if the precise implementation of the principle of proportion and:balance between the violation and the penalty as well as the other dimensions could be considered as a stick yard for the imptementation of justice any lack of preciseness in carrying out such principle would not indeed be much too far from injustice . naturally ,if it would be imagined that the objective of balance between...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان 1390

during natural gas processing, water in natural gas may cause to hydrates formation in pipelines which may lead to serious damages to process equipments. given the problems raised by present of water in natural gas, glycol solvent uses to remove water.in contact of glycol with gas always an amount of btex and voc absorb along with water, which on glycol recovery process, these substances separa...

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