نتایج جستجو برای: mean concentrations of cu

تعداد نتایج: 21194113  

Journal: :veterinary research forum 2012
sayed mortaza alavi-shoushtari siamak asri rezaie mozhgan pak sajad alizadeh roya abedizadeh

to investigate uterine and serum copper (cu) and zinc (zn) concentrations variation duringthe bovine estrus cycle , 232 blood and genital tract samples were collected from the abattoir inurmia. the phase of the estrous cycle was determined by the examination of the ovaries and theuterine tonicity. of the 46 samples selected for use in the study, 13 were pro-estrus, 10 estrus, 8metestrus, and 15...

Faedeh Amini, Hossein Riahi, Hossein Zolgharnain,

The status of metal concentrations including Pb, Cd, Cu, Ni, Zn and Fe in six species of Padina were determined in polluted (Nayband Bay) and unpolluted (Bostaneh port) areas on the Coast of the Persian Gulf. The mean concentrations of metals in the sediment of two locations were: Pb (12.64), Cd (3.59), Cu (21.74), Ni (17.00), Zn (32.00) and Fe (677.53) µg g-1 dry weight, respectively. In ...

2014
Nina Bilandžić Marija Sedak Maja Đokić Božica Solomun Kolanović Ivana Varenina Đurđica Božić Ana Končurat

The concentrations of essential elements in the milk of Croatian Coldblood mares and LittoralDinaric donkey were measured. The mean element contents in horse milk were (mg/kg): Ca 687.1, Mg 72.1, K 637.7, Na 143.5, Cu 0.126, Fe 0.235, Se 0.01, Zn 2.06, Mn<0.01. In donkey milk, the mean element contents were (mg/kg): Ca 815.4, Mg 80.8, K 887.7, Na 217.6, Cu 0.027, Fe 0.196, Zn 2.36, Mn 0.016. In...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سمنان 1392

in the area of vocabulary teaching and learning although much research has been done, only some of it has led to effective techniques of vocabulary teaching and many language learners still have problem learning vocabulary. the urge behind this study was to investigate three methods of teaching words. the first one was teaching words in context based on a traditional method of teaching that is,...

پایان نامه :وزارت علوم، تحقیقات و فناوری - پژوهشگاه پلیمر و پتروشیمی ایران - پژوهشکده پتروشیمی 1389

this is an original study on the effect of a polyisobutylene – polydimethylsiloxane (pibpdms) block copolymer modifier used as an interfacial active agent on the dynamics behaviour of single newtonian drops suspended in a polyisobutylene (pib) newtonian matrix. the results were divided in two sections. the first part included the experiments carried out on the non-modified and 2% block cop...

Journal: :محیط زیست طبیعی 0
مهدیه دالوند دانشجوی کارشناسی ارشد محیط زیست، دانشکده منابع طبیعی، دانشگاه تهران، ایران امیرحسین حمیدیان استادیار گروه محیط زیست، دانشکده منابع طبیعی، دانشگاه تهران، ایران محمدعلی زارع چاهوکی دانشیار گروه احیا مناطق خشک و کوهستانی، دانشکده منابع طبیعی، دانشگاه تهران، ایران سید علی اصغر میرجلیلی کارشناس ارشد hse، طرح معادن مس تفت، شرکت ملی صنایع مس ایران بابک متشرع زاده استادیار گروه مهندسی علوم خاک، دانشکده کشاورزی، دانشگاه تهران، ایران عصمت اسماعیل زاده پژوهشگر محیط زیست، امور تحقیق و توسعه، مجتمع مس سرچشمه

due to environmental problems caused by mining activities, it is necessary to study and investigation the concentrations of the pollutants caused by this activities such as heavy metals. the aim of this study is the determination of the concentration of heavy metals cu, pb and zn in roots of two species of artemisia including artemisia aucheri and artemisia sieberi in the surrounding natural la...

Journal: :environmental health engineering and management 0
oshin rezaei raja department of the environment, college of basic sciences, hamedan branch, islamic azad university, hamedan, iran soheil sobhanardakani department of the environment, college of basic sciences, hamedan branch, islamic azad university, hamedan, iran mehrdad cheraghi department of the environment, college of basic sciences, hamedan branch, islamic azad university, hamedan, iran

background: fruits especially citrus species are an integral part of human diet. contamination of foodstuffs by heavy and toxic metals via environmental pollution has become an inevitable challenge these days. therefore, the effect of pollutants on food safety for human consumption is a global public concern. in this regards, this study was conducted for al and cu health risk assessment through...

Background and purpose: Ulcerative colitis (UC), a subtype of inflammatory bowel diseases (IBD), is an immune-mediated chronic intestinal condition. Changes in the copper (Cu) and zinc (Zn) concentrations have been reported previously in IBD. Due to controversial results, the aim of this study was to evaluate and compare serum and urine levels of Zn and Cu in patients with UC and control group....

Journal: :Bulletin of environmental contamination and toxicology 2009
Wei Luo Yonglong Lu Xiaojuan Tong Bin Wang Guang Wang Yajuan Shi Tieyu Wang Jonathan Naile John P Giesy

Concentrations and distributions of cadmium, copper, and lead in soils from several industrialized urban areas of Beijing, China were investigated. The mean concentration of Cd in surface soils was not significantly greater than the regional background concentration, while those of Cu and Pb were significantly greater than regional background concentrations. All soil profiles exhibited a decrea...

جعفری, سیدمیلاد, سبحان اردکانی, سهیل,

Background and purpose: Presence of heavy metals in the environment could constitute a hazard to food security and public health. These can be accumulated in aquatic animals such as fish, therefore, this study was conducted to investigate the As, Hg, Zn, Pb, Cd and Cu concentrations in muscle tissue of Cyprinus carpio in Taham Dam Lake in 2013. Material and Methods: Twenty five fish samples we...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید