نتایج جستجو برای: mazandaran and gilan provinces
تعداد نتایج: 16828557 فیلتر نتایج به سال:
in order to evaluate the weed diversity in forage crop fields such as alfalfa (medicago sativa l.), clover (trifolium sp.) and sainfoin (onobrychis spp.) in different provinces of iran, a study was conducted by using data from reports of plant protection organization, ministry of agriculture during 2008. after evaluation of weed species and definition of weed family, these species classified ba...
toxoplasmosis is a zoonotic disease and ubiquitous in the world. infection rate in the tropical and subtropical regions with high humidity is higher than other areas. the rate is lower in dry regions whether hot or cold. more than 200 species of warmblooded animals are intermediate hosts and cats or members of the carnivore family felidae have been found to be definitive hosts.' in iran in...
The estimation of accuracy of thematic maps derived from remotely sensed data used in conjunction with a geographic information system is presented. A systematic random sampling techique is proposed to asses the accuracy. The main objective of this work is the determination of the optimal sampling intensity and the appropriate sample size used to assess the accuracy. The data set used is a Land...
the occurrence of emerging fusarium mycotoxins beauvericin (bea), enniatins (enns) (a, a1, b, b1), fusaproliferin and moniliformin was evaluated by a liquid chromatography/electrospray ionization-tandem mass spectrometric (lc/esi-ms/ms) technique in 65 domestic rice samples produced in gilan and mazandaran provinces in ir iran. the results showed that 46% of the samples were contaminated with a...
introduction: beta-thalassemia is the most common hereditary disease in iran. more than two million carriers of beta-thalassemia live in iran. since the iranian population is a mixture of different ethnic groups, it is necessary to determine the frequency in the different parts of the country. materials and methods: this descriptive study is a cross sectional study with helping by professional...
M. synoviae (MS) is an economically important pathogen and the major cause of airsacculitis and infectious synovitis in turkeys. Infection with this pathogen may remain asymptomatic but can render infected birds susceptible to secondary infections. This study was carried out for the molecular detection of MS infection in commercial and backyard turkey flocks in Tehran, Semnan, Isfahan, Qazvin, ...
BACKGROUND Knowledge about the amphistomid fauna in Iranian domestic ruminants depends on the studies conducted almost 30 years ago. The last situation in cattle is introduced here in the provinces in south coast of Caspian Sea. METHODS Amphistomid species were collected from cattle at slaughter houses of the provinces Gilan and Mazanderan in 2010. Median sagittal sections were prepared by th...
Background: The effect of natural background radiation on health is still controversial. However, it is clear that it depends on the dose received by the population. The estimation of external natural background gamma rays received by the population of Caspian coastal provinces in the northern part of Iran was the main goal of this study. Materials and Methods: Gamma rays was measured ...
In this study, concentration of 17 elements, including As, Ba, Cd, Co, Cu, Hg, Mn, Ni, Pb, Zn, Ca,Fe, Mg, Na, P, S, Si, as well as methylmercury in 31 surface sediments were assessed. The sampling stations were Gulf of Golestan, Miankale Island, Babolsar, Nowshahr and Anzali, which represented the most important harbors in the Golestan, Mazandaran and Gilan provinces in the southern parts of th...
Among 170 insects infected by fungal pathogens, obtained during 2003-08 from three Northern provinces of Iran (Mazandaran, Gilan and Golestan), eight taxa of entomophthoralean fungi were identified including four pathogens of dipteran insects: Entomophaga tipulae was found on a crane fly, Entomophthora muscae was seen on five flies attached to broadbean leaves, Pandora bulata was observed only ...
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