نتایج جستجو برای: especially arsenic and its compounds

تعداد نتایج: 16914506  

Journal: :International journal of occupational medicine and environmental health 2002
Anna Szymańska-Chabowska Jolanta Antonowicz-Juchniewicz Ryszard Andrzejak

This paper gathers data on the most current aspects of arsenic action, especially its influence on the cardiovascular system, blood and bone marrow. A potential carcinogenic mechanism of arsenic is also discussed. Arsenic is a potent toxicant that may exist in several valencies and in a number of inorganic and organic forms. Most cases of arsenic-induced toxicity in humans are due to exposure t...

2014
Jin-Yong Chung Seung-Do Yu Young-Seoub Hong

Arsenic is a ubiquitous, naturally occurring metalloid that may be a significant risk factor for cancer after exposure to contaminated drinking water, cigarettes, foods, industry, occupational environment, and air. Among the various routes of arsenic exposure, drinking water is the largest source of arsenic poisoning worldwide. Arsenic exposure from ingested foods usually comes from food crops ...

Journal: :Japanese Journal of Pharmacology 1985

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی خواجه نصیرالدین طوسی - دانشکده مهندسی برق و کامپیوتر 1391

power transformers are important equipments in power systems. thus there is a large number of researches devoted of power transformers. however, there is still a demand for future investigations, especially in the field of diagnosis of transformer failures. in order to fulfill the demand, the first part reports a study case in which four main types of failures on the active part are investigate...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تهران 1376

‏‎‏‎utopia has, for four centuries, accompanied that hope of progress and that striving for betterment. it now straggles against a widespread sense that this has been an illusion, or an impossible dream. the utopian idea can never entirely disappear, but utopia as a form of the social imagination has clearly weakened. if it cannot instill its vision in the public consciousness, the consequences...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده زبانهای خارجی 1393

feminine voice and narratology in wuthering heights wuthering heights as a general "bronte" work has extraordinary dimensions to it which can make it focal to different ways of interpretation. among other differences the issue of narrative voice is essential in understanding the ultimate purpose of wuthering heights. emily bronte uses different narrators from various focal points speaking of m...

Journal: :Science 2005
W T Heron W J Ingle W M Hales

(1) Arsenic fungi are more numerous than was previously supposed. Some saprophytic species common in the soil are active in the production of arsenical gases. (2) Arsenic tolerant forms include many species which do not decompose arsenic compounds with the evolution of gases. (3) Arsenical substances carried to the soil come in contact with decomposing agents, which tend to break them into vola...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد مرودشت - دانشکده علوم پایه 1393

the present study attempts to discover ideological differences between alcott’s novel (1868) named “little women” and its two persian translations. the first has been translated by morvarid and the second has been translated by obeidi. to this end, farahzad’s cda approach (2012) was used to analyze the ideology reflected in both translations by the two different translators. according to farahz...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سمنان - دانشکده ادبیات و علوم انسانی 1393

from its emergence till present time marxist principles has undergone great changes since their promulgation by marx. many theorists and thinkers set at rectifying marxist tenets and introducing those of their own while others advocated its main concepts and attempted at improving them. among marxist philosophers who had an intensive study of marxs ideology, is louis althusser whose reflections...

2017
Amanda Mithander Thomas Göen Gitte Felding Peter Jacobsen

Preservation of museum objects with inorganic arsenic compounds and contamination of the surroundings has previously been documented. The present study addresses the exposure of museum staff by measuring arsenicals in urine. After 1 week without exposure, urinary samples were taken before and after handling of preserved skins and analysed by HPLC-ICP-MS for inorganic arsenic, arsenic metabolite...

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