نتایج جستجو برای: cadmium and lead in general
تعداد نتایج: 21792269 فیلتر نتایج به سال:
1.1 introduction “i see translation as the attempt to produce a text so transparent that it does not seem to be translated. a good translation is like a pane of glass. you only notice that it’s there when there are little imperfections- scratches, bubbles. ideally, there shouldn’t be any. it should never call attention to itself.” “norman shapiro” (venuti, 1995:1) edward fitzgerald is the br...
Background: Marine products, especially fish, play an increasingly significant role in human diets and health. This research evaluated the concentrations of cadmium, lead, chromium, and nickel in liver and muscle tissues of Rutilus frisii kutum along the Caspian Sea coasts of northern Iran. Methods: Thirty samples of fishes were taken from five stations (Astara, Rezvanshahr, Anazali, Ramsar, a...
The present research aims to assess the potential use of the Norway rat, Rattusnorvegicus as a bio-indicator for lead and cadmium accumulation in 10 urban zones in Tehran, the metropolitan city, Iran. During April to May 2014 we collected twenty adult Norway rats from the different predefined zones. By referring to the air pollution data collected over 15 years, the sampling areas were detected...
Background and Aim: Heavy metals such as lead and cadmium are toxic and carcinogenic compounds that are absorbed through the skin. Therefore, the aim of this study was to determine the amount of lead and cadmium heavy metals in bulk branded cosmetic bags (mascara and tattoo) distributed in Birjand. Materials and Methods: In this descriptive-analytical study, by referring to the Birjand cosmeti...
heavy metals entrance to fish body tissues and transferring to human body systems after their consuming makes numerous undesirable effects and health problems. the aim of this study was to determine some heavy metals (lead, cadmium and mercury) in fresh fishes marketed in khorramabad city, west of iran. in this descriptive study, five samples of 17 fish species with high consumption were purcha...
a highly selective, rapid and economical differential pulse polarographic method has been developed for the determination of trace amounts of cadmium and lead present together in various standard alloys and biological samples after adsorption of their 1-(2-pyridylazo)-2-naphthol complexes on microcrystalline naphthalene. cadmium and lead complexes are equantitatively adsorbed on microcrystallin...
Background and purpose: Heavy metal contamination of aquatic ecosystems is a major concern for animals and human health. Pollutants such as heavy metals accumulate the food chain and at the end, they transmit to the human body. In this research, the concentrations of nickel, lead and cadmium in Barbus grypus of Dez River, Iran, were determined and compared with international standards. Materia...
BACKGROUND Few studies have been conducted to identify risk factors for balance and vestibular dysfunction in general populations, but previous studies have reported evidence of adverse effects of lead and cadmium on balance control in high-risk groups. OBJECTIVE We evaluated the relationship between blood lead and cadmium levels and balance and vestibular dysfunction in a general population ...
abstract: regular consumption of seafood has been widely recommended by the authorities. however, some species especially benthic crustaceans accumulate heavy metals. in addition, the health risks associated to the consumption of such seafood might increase if the consumers use cooking methods that enhance the concentration of heavy metals. in this study, the effects of different cooking method...
Sediments play an effective role in pollution control or water purification of the wetland ecosystem and record heavy metals contamination as an historical archive. Ganduman wetland is one of the top 10 birdwatching wetlands in Iran. This study aimed to to investigate the concentration of lead, cadmium, copper and zinc in Ganduman sediments. For this purpose, sediment samples were collected man...
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